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FoldCraftLauncher
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add ZipFileSystem

This commit is contained in:
ShirosakiMio 2024-04-27 09:54:31 +08:00
parent 24c0af8162
commit b05b148361
15 changed files with 5171 additions and 1 deletions
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2
FCLCore/build.gradle
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@ -31,7 +31,7 @@ android {
dependencies {
implementation project(path: ':FCLauncher')
implementation 'com.github.marschall:zipfilesystem-standalone:1.0.1'
implementation project(path: ':ZipFileSystem')
implementation 'org.nanohttpd:nanohttpd:2.3.1'
implementation 'com.github.steveice10:opennbt:1.5'
implementation 'org.tukaani:xz:1.9'

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ZipFileSystem/build.gradle Normal file
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@ -0,0 +1,34 @@
plugins {
id 'com.android.library'
}
android {
namespace 'com.github.marschall.ZipFileSystem'
compileSdk 34
defaultConfig {
minSdk 26
targetSdk 34
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
consumerProguardFiles "consumer-rules.pro"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
fordebug {
initWith debug
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
}

169
ZipFileSystem/src/main/java/com/github/marschall/com/sun/nio/zipfs/ZipCoder.java Normal file
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@ -0,0 +1,169 @@
/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
import java.nio.charset.CodingErrorAction;
import java.util.Arrays;
/**
* Utility class for zipfile name and comment decoding and encoding
*
* @author Xueming Shen
*/
final class ZipCoder {
String toString(byte[] ba, int length) {
CharsetDecoder cd = decoder().reset();
int len = (int)(length * cd.maxCharsPerByte());
char[] ca = new char[len];
if (len == 0)
return new String(ca);
ByteBuffer bb = ByteBuffer.wrap(ba, 0, length);
CharBuffer cb = CharBuffer.wrap(ca);
CoderResult cr = cd.decode(bb, cb, true);
if (!cr.isUnderflow())
throw new IllegalArgumentException(cr.toString());
cr = cd.flush(cb);
if (!cr.isUnderflow())
throw new IllegalArgumentException(cr.toString());
return new String(ca, 0, cb.position());
}
String toString(byte[] ba) {
return toString(ba, ba.length);
}
byte[] getBytes(String s) {
CharsetEncoder ce = encoder().reset();
char[] ca = s.toCharArray();
int len = (int)(ca.length * ce.maxBytesPerChar());
byte[] ba = new byte[len];
if (len == 0)
return ba;
ByteBuffer bb = ByteBuffer.wrap(ba);
CharBuffer cb = CharBuffer.wrap(ca);
CoderResult cr = ce.encode(cb, bb, true);
if (!cr.isUnderflow())
throw new IllegalArgumentException(cr.toString());
cr = ce.flush(bb);
if (!cr.isUnderflow())
throw new IllegalArgumentException(cr.toString());
if (bb.position() == ba.length) // defensive copy?
return ba;
else
return Arrays.copyOf(ba, bb.position());
}
// assume invoked only if "this" is not utf8
byte[] getBytesUTF8(String s) {
if (isutf8)
return getBytes(s);
if (utf8 == null)
utf8 = new ZipCoder(Charset.forName("UTF-8"));
return utf8.getBytes(s);
}
String toStringUTF8(byte[] ba, int len) {
if (isutf8)
return toString(ba, len);
if (utf8 == null)
utf8 = new ZipCoder(Charset.forName("UTF-8"));
return utf8.toString(ba, len);
}
boolean isUTF8() {
return isutf8;
}
private Charset cs;
private boolean isutf8;
private ZipCoder utf8;
private ZipCoder(Charset cs) {
this.cs = cs;
this.isutf8 = cs.name().equals("UTF-8");
}
static ZipCoder get(Charset charset) {
return new ZipCoder(charset);
}
static ZipCoder get(String csn) {
try {
return new ZipCoder(Charset.forName(csn));
} catch (Throwable t) {
t.printStackTrace();
}
return new ZipCoder(Charset.defaultCharset());
}
private final ThreadLocal<CharsetDecoder> decTL = new ThreadLocal<>();
private final ThreadLocal<CharsetEncoder> encTL = new ThreadLocal<>();
private CharsetDecoder decoder() {
CharsetDecoder dec = decTL.get();
if (dec == null) {
dec = cs.newDecoder()
.onMalformedInput(CodingErrorAction.REPORT)
.onUnmappableCharacter(CodingErrorAction.REPORT);
decTL.set(dec);
}
return dec;
}
private CharsetEncoder encoder() {
CharsetEncoder enc = encTL.get();
if (enc == null) {
enc = cs.newEncoder()
.onMalformedInput(CodingErrorAction.REPORT)
.onUnmappableCharacter(CodingErrorAction.REPORT);
encTL.set(enc);
}
return enc;
}
}

264
ZipFileSystem/src/main/java/com/github/marschall/com/sun/nio/zipfs/ZipConstants.java Normal file
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@ -0,0 +1,264 @@
/*
* Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
/**
*
* @author Xueming Shen
*/
class ZipConstants {
/*
* Compression methods
*/
static final int METHOD_STORED = 0;
static final int METHOD_DEFLATED = 8;
static final int METHOD_DEFLATED64 = 9;
static final int METHOD_BZIP2 = 12;
static final int METHOD_LZMA = 14;
static final int METHOD_LZ77 = 19;
static final int METHOD_AES = 99;
/*
* General purpose big flag
*/
static final int FLAG_ENCRYPTED = 0x01;
static final int FLAG_DATADESCR = 0x08; // crc, size and csize in dd
static final int FLAG_EFS = 0x800; // If this bit is set the filename and
// comment fields for this file must be
// encoded using UTF-8.
/*
* Header signatures
*/
static long LOCSIG = 0x04034b50L; // "PK\003\004"
static long EXTSIG = 0x08074b50L; // "PK\007\008"
static long CENSIG = 0x02014b50L; // "PK\001\002"
static long ENDSIG = 0x06054b50L; // "PK\005\006"
/*
* Header sizes in bytes (including signatures)
*/
static final int LOCHDR = 30; // LOC header size
static final int EXTHDR = 16; // EXT header size
static final int CENHDR = 46; // CEN header size
static final int ENDHDR = 22; // END header size
/*
* Local file (LOC) header field offsets
*/
static final int LOCVER = 4; // version needed to extract
static final int LOCFLG = 6; // general purpose bit flag
static final int LOCHOW = 8; // compression method
static final int LOCTIM = 10; // modification time
static final int LOCCRC = 14; // uncompressed file crc-32 value
static final int LOCSIZ = 18; // compressed size
static final int LOCLEN = 22; // uncompressed size
static final int LOCNAM = 26; // filename length
static final int LOCEXT = 28; // extra field length
/*
* Extra local (EXT) header field offsets
*/
static final int EXTCRC = 4; // uncompressed file crc-32 value
static final int EXTSIZ = 8; // compressed size
static final int EXTLEN = 12; // uncompressed size
/*
* Central directory (CEN) header field offsets
*/
static final int CENVEM = 4; // version made by
static final int CENVER = 6; // version needed to extract
static final int CENFLG = 8; // encrypt, decrypt flags
static final int CENHOW = 10; // compression method
static final int CENTIM = 12; // modification time
static final int CENCRC = 16; // uncompressed file crc-32 value
static final int CENSIZ = 20; // compressed size
static final int CENLEN = 24; // uncompressed size
static final int CENNAM = 28; // filename length
static final int CENEXT = 30; // extra field length
static final int CENCOM = 32; // comment length
static final int CENDSK = 34; // disk number start
static final int CENATT = 36; // internal file attributes
static final int CENATX = 38; // external file attributes
static final int CENOFF = 42; // LOC header offset
/*
* End of central directory (END) header field offsets
*/
static final int ENDSUB = 8; // number of entries on this disk
static final int ENDTOT = 10; // total number of entries
static final int ENDSIZ = 12; // central directory size in bytes
static final int ENDOFF = 16; // offset of first CEN header
static final int ENDCOM = 20; // zip file comment length
/*
* ZIP64 constants
*/
static final long ZIP64_ENDSIG = 0x06064b50L; // "PK\006\006"
static final long ZIP64_LOCSIG = 0x07064b50L; // "PK\006\007"
static final int ZIP64_ENDHDR = 56; // ZIP64 end header size
static final int ZIP64_LOCHDR = 20; // ZIP64 end loc header size
static final int ZIP64_EXTHDR = 24; // EXT header size
static final int ZIP64_EXTID = 0x0001; // Extra field Zip64 header ID
static final int ZIP64_MINVAL32 = 0xFFFF;
static final long ZIP64_MINVAL = 0xFFFFFFFFL;
/*
* Zip64 End of central directory (END) header field offsets
*/
static final int ZIP64_ENDLEN = 4; // size of zip64 end of central dir
static final int ZIP64_ENDVEM = 12; // version made by
static final int ZIP64_ENDVER = 14; // version needed to extract
static final int ZIP64_ENDNMD = 16; // number of this disk
static final int ZIP64_ENDDSK = 20; // disk number of start
static final int ZIP64_ENDTOD = 24; // total number of entries on this disk
static final int ZIP64_ENDTOT = 32; // total number of entries
static final int ZIP64_ENDSIZ = 40; // central directory size in bytes
static final int ZIP64_ENDOFF = 48; // offset of first CEN header
static final int ZIP64_ENDEXT = 56; // zip64 extensible data sector
/*
* Zip64 End of central directory locator field offsets
*/
static final int ZIP64_LOCDSK = 4; // disk number start
static final int ZIP64_LOCOFF = 8; // offset of zip64 end
static final int ZIP64_LOCTOT = 16; // total number of disks
/*
* Zip64 Extra local (EXT) header field offsets
*/
static final int ZIP64_EXTCRC = 4; // uncompressed file crc-32 value
static final int ZIP64_EXTSIZ = 8; // compressed size, 8-byte
static final int ZIP64_EXTLEN = 16; // uncompressed size, 8-byte
/*
* Extra field header ID
*/
static final int EXTID_ZIP64 = 0x0001; // ZIP64
static final int EXTID_NTFS = 0x000a; // NTFS
static final int EXTID_UNIX = 0x000d; // UNIX
static final int EXTID_EFS = 0x0017; // Strong Encryption
static final int EXTID_EXTT = 0x5455; // Info-ZIP Extended Timestamp
/*
* fields access methods
*/
///////////////////////////////////////////////////////
static final int CH(byte[] b, int n) {
return toUnsignedInt(b[n]);
}
static final int SH(byte[] b, int n) {
return toUnsignedInt(b[n]) | (toUnsignedInt(b[n + 1]) << 8);
}
private static int toUnsignedInt(byte x) {
return ((int) x) & 0xff;
}
static final long LG(byte[] b, int n) {
return ((SH(b, n)) | (SH(b, n + 2) << 16)) & 0xffffffffL;
}
static final long LL(byte[] b, int n) {
return (LG(b, n)) | (LG(b, n + 4) << 32);
}
static final long GETSIG(byte[] b) {
return LG(b, 0);
}
// local file (LOC) header fields
static final long LOCSIG(byte[] b) { return LG(b, 0); } // signature
static final int LOCVER(byte[] b) { return SH(b, 4); } // version needed to extract
static final int LOCFLG(byte[] b) { return SH(b, 6); } // general purpose bit flags
static final int LOCHOW(byte[] b) { return SH(b, 8); } // compression method
static final long LOCTIM(byte[] b) { return LG(b, 10);} // modification time
static final long LOCCRC(byte[] b) { return LG(b, 14);} // crc of uncompressed data
static final long LOCSIZ(byte[] b) { return LG(b, 18);} // compressed data size
static final long LOCLEN(byte[] b) { return LG(b, 22);} // uncompressed data size
static final int LOCNAM(byte[] b) { return SH(b, 26);} // filename length
static final int LOCEXT(byte[] b) { return SH(b, 28);} // extra field length
// extra local (EXT) header fields
static final long EXTCRC(byte[] b) { return LG(b, 4);} // crc of uncompressed data
static final long EXTSIZ(byte[] b) { return LG(b, 8);} // compressed size
static final long EXTLEN(byte[] b) { return LG(b, 12);} // uncompressed size
// end of central directory header (END) fields
static final int ENDSUB(byte[] b) { return SH(b, 8); } // number of entries on this disk
static final int ENDTOT(byte[] b) { return SH(b, 10);} // total number of entries
static final long ENDSIZ(byte[] b) { return LG(b, 12);} // central directory size
static final long ENDOFF(byte[] b) { return LG(b, 16);} // central directory offset
static final int ENDCOM(byte[] b) { return SH(b, 20);} // size of zip file comment
static final int ENDCOM(byte[] b, int off) { return SH(b, off + 20);}
// zip64 end of central directory recoder fields
static final long ZIP64_ENDTOD(byte[] b) { return LL(b, 24);} // total number of entries on disk
static final long ZIP64_ENDTOT(byte[] b) { return LL(b, 32);} // total number of entries
static final long ZIP64_ENDSIZ(byte[] b) { return LL(b, 40);} // central directory size
static final long ZIP64_ENDOFF(byte[] b) { return LL(b, 48);} // central directory offset
static final long ZIP64_LOCOFF(byte[] b) { return LL(b, 8);} // zip64 end offset
// central directory header (CEN) fields
static final long CENSIG(byte[] b, int pos) { return LG(b, pos + 0); }
static final int CENVEM(byte[] b, int pos) { return SH(b, pos + 4); }
static final int CENVER(byte[] b, int pos) { return SH(b, pos + 6); }
static final int CENFLG(byte[] b, int pos) { return SH(b, pos + 8); }
static final int CENHOW(byte[] b, int pos) { return SH(b, pos + 10);}
static final long CENTIM(byte[] b, int pos) { return LG(b, pos + 12);}
static final long CENCRC(byte[] b, int pos) { return LG(b, pos + 16);}
static final long CENSIZ(byte[] b, int pos) { return LG(b, pos + 20);}
static final long CENLEN(byte[] b, int pos) { return LG(b, pos + 24);}
static final int CENNAM(byte[] b, int pos) { return SH(b, pos + 28);}
static final int CENEXT(byte[] b, int pos) { return SH(b, pos + 30);}
static final int CENCOM(byte[] b, int pos) { return SH(b, pos + 32);}
static final int CENDSK(byte[] b, int pos) { return SH(b, pos + 34);}
static final int CENATT(byte[] b, int pos) { return SH(b, pos + 36);}
static final long CENATX(byte[] b, int pos) { return LG(b, pos + 38);}
static final long CENOFF(byte[] b, int pos) { return LG(b, pos + 42);}
/* The END header is followed by a variable length comment of size < 64k. */
static final long END_MAXLEN = 0xFFFF + ENDHDR;
static final int READBLOCKSZ = 128;
}

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ZipFileSystem/src/main/java/com/github/marschall/com/sun/nio/zipfs/ZipDirectoryStream.java Normal file
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@ -0,0 +1,117 @@
/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.io.IOException;
import java.nio.file.ClosedDirectoryStreamException;
import java.nio.file.DirectoryStream;
import java.nio.file.NotDirectoryException;
import java.nio.file.Path;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
*
* @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
*/
public class ZipDirectoryStream implements DirectoryStream<Path> {
private final ZipFileSystem zipfs;
private final byte[] path;
private final DirectoryStream.Filter<? super Path> filter;
private volatile boolean isClosed;
private volatile Iterator<Path> itr;
ZipDirectoryStream(ZipPath zipPath,
DirectoryStream.Filter<? super java.nio.file.Path> filter)
throws IOException
{
this.zipfs = zipPath.getFileSystem();
this.path = zipPath.getResolvedPath();
this.filter = filter;
// sanity check
if (!zipfs.isDirectory(path))
throw new NotDirectoryException(zipPath.toString());
}
@Override
public synchronized Iterator<Path> iterator() {
if (isClosed)
throw new ClosedDirectoryStreamException();
if (itr != null)
throw new IllegalStateException("Iterator has already been returned");
try {
itr = zipfs.iteratorOf(path, filter);
} catch (IOException e) {
throw new IllegalStateException(e);
}
return new Iterator<Path>() {
private Path next;
@Override
public boolean hasNext() {
if (isClosed)
return false;
return itr.hasNext();
}
@Override
public synchronized Path next() {
if (isClosed)
throw new NoSuchElementException();
return itr.next();
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
@Override
public synchronized void close() throws IOException {
isClosed = true;
}
}

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ZipFileSystem/src/main/java/com/github/marschall/com/sun/nio/zipfs/ZipFileAttributeView.java Normal file
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/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.io.IOException;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.FileAttributeView;
import java.nio.file.attribute.FileTime;
import java.util.LinkedHashMap;
import java.util.Map;
/*
* @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
*/
public class ZipFileAttributeView implements BasicFileAttributeView
{
private static enum AttrID {
size,
creationTime,
lastAccessTime,
lastModifiedTime,
isDirectory,
isRegularFile,
isSymbolicLink,
isOther,
fileKey,
compressedSize,
crc,
method
};
private final ZipPath path;
private final boolean isZipView;
private ZipFileAttributeView(ZipPath path, boolean isZipView) {
this.path = path;
this.isZipView = isZipView;
}
static <V extends FileAttributeView> V get(ZipPath path, Class<V> type) {
if (type == null)
throw new NullPointerException();
if (type == BasicFileAttributeView.class)
return (V)new ZipFileAttributeView(path, false);
if (type == ZipFileAttributeView.class)
return (V)new ZipFileAttributeView(path, true);
return null;
}
static ZipFileAttributeView get(ZipPath path, String type) {
if (type == null)
throw new NullPointerException();
if (type.equals("basic"))
return new ZipFileAttributeView(path, false);
if (type.equals("zip"))
return new ZipFileAttributeView(path, true);
return null;
}
@Override
public String name() {
return isZipView ? "zip" : "basic";
}
public ZipFileAttributes readAttributes() throws IOException
{
return path.getAttributes();
}
@Override
public void setTimes(FileTime lastModifiedTime,
FileTime lastAccessTime,
FileTime createTime)
throws IOException
{
path.setTimes(lastModifiedTime, lastAccessTime, createTime);
}
void setAttribute(String attribute, Object value)
throws IOException
{
try {
if (AttrID.valueOf(attribute) == AttrID.lastModifiedTime)
setTimes ((FileTime)value, null, null);
if (AttrID.valueOf(attribute) == AttrID.lastAccessTime)
setTimes (null, (FileTime)value, null);
if (AttrID.valueOf(attribute) == AttrID.creationTime)
setTimes (null, null, (FileTime)value);
return;
} catch (IllegalArgumentException x) {}
throw new UnsupportedOperationException("'" + attribute +
"' is unknown or read-only attribute");
}
Map<String, Object> readAttributes(String attributes)
throws IOException
{
ZipFileAttributes zfas = readAttributes();
LinkedHashMap<String, Object> map = new LinkedHashMap<>();
if ("*".equals(attributes)) {
for (AttrID id : AttrID.values()) {
try {
map.put(id.name(), attribute(id, zfas));
} catch (IllegalArgumentException x) {}
}
} else {
String[] as = attributes.split(",");
for (String a : as) {
try {
map.put(a, attribute(AttrID.valueOf(a), zfas));
} catch (IllegalArgumentException x) {}
}
}
return map;
}
Object attribute(AttrID id, ZipFileAttributes zfas) {
switch (id) {
case size:
return zfas.size();
case creationTime:
return zfas.creationTime();
case lastAccessTime:
return zfas.lastAccessTime();
case lastModifiedTime:
return zfas.lastModifiedTime();
case isDirectory:
return zfas.isDirectory();
case isRegularFile:
return zfas.isRegularFile();
case isSymbolicLink:
return zfas.isSymbolicLink();
case isOther:
return zfas.isOther();
case fileKey:
return zfas.fileKey();
case compressedSize:
if (isZipView)
return zfas.compressedSize();
break;
case crc:
if (isZipView)
return zfas.crc();
break;
case method:
if (isZipView)
return zfas.method();
break;
}
return null;
}
}

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/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.Arrays;
import java.util.Formatter;
/**
*
* @author Xueming Shen, Rajendra Gutupalli,Jaya Hangal
*/
public class ZipFileAttributes implements BasicFileAttributes
{
private final ZipFileSystem.Entry e;
ZipFileAttributes(ZipFileSystem.Entry e) {
this.e = e;
}
///////// basic attributes ///////////
@Override
public FileTime creationTime() {
if (e.ctime != -1)
return FileTime.fromMillis(e.ctime);
return null;
}
@Override
public boolean isDirectory() {
return e.isDir();
}
@Override
public boolean isOther() {
return false;
}
@Override
public boolean isRegularFile() {
return !e.isDir();
}
@Override
public FileTime lastAccessTime() {
if (e.atime != -1)
return FileTime.fromMillis(e.atime);
return null;
}
@Override
public FileTime lastModifiedTime() {
return FileTime.fromMillis(e.mtime);
}
@Override
public long size() {
return e.size;
}
@Override
public boolean isSymbolicLink() {
return false;
}
@Override
public Object fileKey() {
return null;
}
///////// zip entry attributes ///////////
public long compressedSize() {
return e.csize;
}
public long crc() {
return e.crc;
}
public int method() {
return e.method;
}
public byte[] extra() {
if (e.extra != null)
return Arrays.copyOf(e.extra, e.extra.length);
return null;
}
public byte[] comment() {
if (e.comment != null)
return Arrays.copyOf(e.comment, e.comment.length);
return null;
}
public String toString() {
StringBuilder sb = new StringBuilder(1024);
Formatter fm = new Formatter(sb);
if (creationTime() != null)
fm.format(" creationTime : %tc%n", creationTime().toMillis());
else
fm.format(" creationTime : null%n");
if (lastAccessTime() != null)
fm.format(" lastAccessTime : %tc%n", lastAccessTime().toMillis());
else
fm.format(" lastAccessTime : null%n");
fm.format(" lastModifiedTime: %tc%n", lastModifiedTime().toMillis());
fm.format(" isRegularFile : %b%n", isRegularFile());
fm.format(" isDirectory : %b%n", isDirectory());
fm.format(" isSymbolicLink : %b%n", isSymbolicLink());
fm.format(" isOther : %b%n", isOther());
fm.format(" fileKey : %s%n", fileKey());
fm.format(" size : %d%n", size());
fm.format(" compressedSize : %d%n", compressedSize());
fm.format(" crc : %x%n", crc());
fm.format(" method : %d%n", method());
fm.close();
return sb.toString();
}
}

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/*
* Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.io.IOException;
import java.nio.file.FileStore;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.FileAttributeView;
import java.nio.file.attribute.FileStoreAttributeView;
/*
*
* @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
*/
public class ZipFileStore extends FileStore {
private final ZipFileSystem zfs;
ZipFileStore(ZipPath zpath) {
this.zfs = zpath.getFileSystem();
}
@Override
public String name() {
return zfs.toString() + "/";
}
@Override
public String type() {
return "zipfs";
}
@Override
public boolean isReadOnly() {
return zfs.isReadOnly();
}
@Override
public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {
return (type == BasicFileAttributeView.class ||
type == ZipFileAttributeView.class);
}
@Override
public boolean supportsFileAttributeView(String name) {
return name.equals("basic") || name.equals("zip");
}
@Override
@SuppressWarnings("unchecked")
public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {
if (type == null)
throw new NullPointerException();
return (V)null;
}
@Override
public long getTotalSpace() throws IOException {
return new ZipFileStoreAttributes(this).totalSpace();
}
@Override
public long getUsableSpace() throws IOException {
return new ZipFileStoreAttributes(this).usableSpace();
}
@Override
public long getUnallocatedSpace() throws IOException {
return new ZipFileStoreAttributes(this).unallocatedSpace();
}
@Override
public Object getAttribute(String attribute) throws IOException {
if (attribute.equals("totalSpace"))
return getTotalSpace();
if (attribute.equals("usableSpace"))
return getUsableSpace();
if (attribute.equals("unallocatedSpace"))
return getUnallocatedSpace();
throw new UnsupportedOperationException("does not support the given attribute");
}
private static class ZipFileStoreAttributes {
final FileStore fstore;
final long size;
public ZipFileStoreAttributes(ZipFileStore fileStore)
throws IOException
{
Path path = FileSystems.getDefault().getPath(fileStore.name());
this.size = Files.size(path);
this.fstore = Files.getFileStore(path);
}
public long totalSpace() {
return size;
}
public long usableSpace() throws IOException {
if (!fstore.isReadOnly())
return fstore.getUsableSpace();
return 0;
}
public long unallocatedSpace() throws IOException {
if (!fstore.isReadOnly())
return fstore.getUnallocatedSpace();
return 0;
}
}
}

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/*
* Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.channels.AsynchronousFileChannel;
import java.nio.channels.FileChannel;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.AccessMode;
import java.nio.file.CopyOption;
import java.nio.file.DirectoryStream;
import java.nio.file.DirectoryStream.Filter;
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystemAlreadyExistsException;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.ProviderMismatchException;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.FileAttributeView;
import java.nio.file.spi.FileSystemProvider;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.zip.ZipError;
/*
*
* @author Xueming Shen, Rajendra Gutupalli, Jaya Hangal
*/
public class ZipFileSystemProvider extends FileSystemProvider {
private final Map<Path, ZipFileSystem> filesystems = new HashMap<>();
public ZipFileSystemProvider() {}
@Override
public String getScheme() {
return "zipfs";
}
protected Path uriToPath(URI uri) {
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) {
throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'");
}
try {
// only support legacy JAR URL syntax jar:{uri}!/{entry} for now
String spec = uri.getRawSchemeSpecificPart();
int sep = spec.indexOf("!/");
if (sep != -1)
spec = spec.substring(0, sep);
return Paths.get(new URI(spec)).toAbsolutePath();
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e.getMessage(), e);
}
}
private boolean ensureFile(Path path) {
try {
BasicFileAttributes attrs =
Files.readAttributes(path, BasicFileAttributes.class);
if (!attrs.isRegularFile())
throw new UnsupportedOperationException();
return true;
} catch (IOException ioe) {
return false;
}
}
@Override
public FileSystem newFileSystem(URI uri, Map<String, ?> env)
throws IOException
{
Path path = uriToPath(uri);
synchronized(filesystems) {
Path realPath = null;
if (ensureFile(path)) {
realPath = path.toRealPath();
if (filesystems.containsKey(realPath))
throw new FileSystemAlreadyExistsException();
}
ZipFileSystem zipfs = null;
try {
zipfs = new ZipFileSystem(this, path, env);
} catch (ZipError ze) {
String pname = path.toString();
if (pname.endsWith(".zip") || pname.endsWith(".jar"))
throw ze;
// assume NOT a zip/jar file
throw new UnsupportedOperationException();
}
filesystems.put(realPath, zipfs);
return zipfs;
}
}
@Override
public FileSystem newFileSystem(Path path, Map<String, ?> env)
throws IOException
{
if (path.getFileSystem() != FileSystems.getDefault()) {
throw new UnsupportedOperationException();
}
ensureFile(path);
try {
return new ZipFileSystem(this, path, env);
} catch (ZipError ze) {
String pname = path.toString();
if (pname.endsWith(".zip") || pname.endsWith(".jar"))
throw ze;
throw new UnsupportedOperationException();
}
}
@Override
public Path getPath(URI uri) {
String spec = uri.getSchemeSpecificPart();
int sep = spec.indexOf("!/");
if (sep == -1)
throw new IllegalArgumentException("URI: "
+ uri
+ " does not contain path info ex. jar:file:/c:/foo.zip!/BAR");
return getFileSystem(uri).getPath(spec.substring(sep + 1));
}
@Override
public FileSystem getFileSystem(URI uri) {
synchronized (filesystems) {
ZipFileSystem zipfs = null;
try {
zipfs = filesystems.get(uriToPath(uri).toRealPath());
} catch (IOException x) {
// ignore the ioe from toRealPath(), return FSNFE
}
if (zipfs == null)
throw new FileSystemNotFoundException();
return zipfs;
}
}
// Checks that the given file is a UnixPath
static final ZipPath toZipPath(Path path) {
if (path == null)
throw new NullPointerException();
if (!(path instanceof ZipPath))
throw new ProviderMismatchException();
return (ZipPath)path;
}
@Override
public void checkAccess(Path path, AccessMode... modes) throws IOException {
toZipPath(path).checkAccess(modes);
}
@Override
public void copy(Path src, Path target, CopyOption... options)
throws IOException
{
toZipPath(src).copy(toZipPath(target), options);
}
@Override
public void createDirectory(Path path, FileAttribute<?>... attrs)
throws IOException
{
toZipPath(path).createDirectory(attrs);
}
@Override
public final void delete(Path path) throws IOException {
toZipPath(path).delete();
}
@Override
@SuppressWarnings("unchecked")
public <V extends FileAttributeView> V
getFileAttributeView(Path path, Class<V> type, LinkOption... options)
{
return ZipFileAttributeView.get(toZipPath(path), type);
}
@Override
public FileStore getFileStore(Path path) throws IOException {
return toZipPath(path).getFileStore();
}
@Override
public boolean isHidden(Path path) {
return toZipPath(path).isHidden();
}
@Override
public boolean isSameFile(Path path, Path other) throws IOException {
return toZipPath(path).isSameFile(other);
}
@Override
public void move(Path src, Path target, CopyOption... options)
throws IOException
{
toZipPath(src).move(toZipPath(target), options);
}
@Override
public AsynchronousFileChannel newAsynchronousFileChannel(Path path,
Set<? extends OpenOption> options,
ExecutorService exec,
FileAttribute<?>... attrs)
throws IOException
{
throw new UnsupportedOperationException();
}
@Override
public SeekableByteChannel newByteChannel(Path path,
Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException
{
return toZipPath(path).newByteChannel(options, attrs);
}
@Override
public DirectoryStream<Path> newDirectoryStream(
Path path, Filter<? super Path> filter) throws IOException
{
return toZipPath(path).newDirectoryStream(filter);
}
@Override
public FileChannel newFileChannel(Path path,
Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException
{
return toZipPath(path).newFileChannel(options, attrs);
}
@Override
public InputStream newInputStream(Path path, OpenOption... options)
throws IOException
{
return toZipPath(path).newInputStream(options);
}
@Override
public OutputStream newOutputStream(Path path, OpenOption... options)
throws IOException
{
return toZipPath(path).newOutputStream(options);
}
@Override
public <A extends BasicFileAttributes> A
readAttributes(Path path, Class<A> type, LinkOption... options)
throws IOException
{
if (type == BasicFileAttributes.class || type == ZipFileAttributes.class)
return (A)toZipPath(path).getAttributes();
return null;
}
@Override
public Map<String, Object>
readAttributes(Path path, String attribute, LinkOption... options)
throws IOException
{
return toZipPath(path).readAttributes(attribute, options);
}
@Override
public Path readSymbolicLink(Path link) throws IOException {
throw new UnsupportedOperationException("Not supported.");
}
@Override
public void setAttribute(Path path, String attribute,
Object value, LinkOption... options)
throws IOException
{
toZipPath(path).setAttribute(attribute, value, options);
}
//////////////////////////////////////////////////////////////
void removeFileSystem(Path zfpath, ZipFileSystem zfs) throws IOException {
synchronized (filesystems) {
zfpath = zfpath.toRealPath();
if (filesystems.get(zfpath) == zfs)
filesystems.remove(zfpath);
}
}
}

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/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import static java.nio.file.StandardCopyOption.COPY_ATTRIBUTES;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
import static java.nio.file.StandardOpenOption.CREATE_NEW;
import static java.nio.file.StandardOpenOption.READ;
import static java.nio.file.StandardOpenOption.WRITE;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.nio.channels.FileChannel;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.AccessDeniedException;
import java.nio.file.AccessMode;
import java.nio.file.CopyOption;
import java.nio.file.DirectoryNotEmptyException;
import java.nio.file.DirectoryStream;
import java.nio.file.DirectoryStream.Filter;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.FileStore;
import java.nio.file.Files;
import java.nio.file.InvalidPathException;
import java.nio.file.LinkOption;
import java.nio.file.NoSuchFileException;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.nio.file.ProviderMismatchException;
import java.nio.file.ReadOnlyFileSystemException;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.FileTime;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
/**
*
* @author Xueming Shen, Rajendra Gutupalli,Jaya Hangal
*/
public class ZipPath implements Path {
private final ZipFileSystem zfs;
private final byte[] path;
private volatile int[] offsets;
private int hashcode = 0; // cached hashcode (created lazily)
ZipPath(ZipFileSystem zfs, byte[] path) {
this(zfs, path, false);
}
ZipPath(ZipFileSystem zfs, byte[] path, boolean normalized)
{
this.zfs = zfs;
if (normalized)
this.path = path;
else
this.path = normalize(path);
}
@Override
public ZipPath getRoot() {
if (this.isAbsolute())
return new ZipPath(zfs, new byte[]{path[0]});
else
return null;
}
@Override
public Path getFileName() {
initOffsets();
int count = offsets.length;
if (count == 0)
return null; // no elements so no name
if (count == 1 && path[0] != '/')
return this;
int lastOffset = offsets[count-1];
int len = path.length - lastOffset;
byte[] result = new byte[len];
System.arraycopy(path, lastOffset, result, 0, len);
return new ZipPath(zfs, result);
}
@Override
public ZipPath getParent() {
initOffsets();
int count = offsets.length;
if (count == 0) // no elements so no parent
return null;
int len = offsets[count-1] - 1;
if (len <= 0) // parent is root only (may be null)
return getRoot();
byte[] result = new byte[len];
System.arraycopy(path, 0, result, 0, len);
return new ZipPath(zfs, result);
}
@Override
public int getNameCount() {
initOffsets();
return offsets.length;
}
@Override
public ZipPath getName(int index) {
initOffsets();
if (index < 0 || index >= offsets.length)
throw new IllegalArgumentException();
int begin = offsets[index];
int len;
if (index == (offsets.length-1))
len = path.length - begin;
else
len = offsets[index+1] - begin - 1;
// construct result
byte[] result = new byte[len];
System.arraycopy(path, begin, result, 0, len);
return new ZipPath(zfs, result);
}
@Override
public ZipPath subpath(int beginIndex, int endIndex) {
initOffsets();
if (beginIndex < 0 ||
beginIndex >= offsets.length ||
endIndex > offsets.length ||
beginIndex >= endIndex)
throw new IllegalArgumentException();
// starting offset and length
int begin = offsets[beginIndex];
int len;
if (endIndex == offsets.length)
len = path.length - begin;
else
len = offsets[endIndex] - begin - 1;
// construct result
byte[] result = new byte[len];
System.arraycopy(path, begin, result, 0, len);
return new ZipPath(zfs, result);
}
@Override
public ZipPath toRealPath(LinkOption... options) throws IOException {
ZipPath realPath = new ZipPath(zfs, getResolvedPath()).toAbsolutePath();
realPath.checkAccess();
return realPath;
}
boolean isHidden() {
return false;
}
@Override
public ZipPath toAbsolutePath() {
if (isAbsolute()) {
return this;
} else {
//add / bofore the existing path
byte[] defaultdir = zfs.getDefaultDir().path;
int defaultlen = defaultdir.length;
boolean endsWith = (defaultdir[defaultlen - 1] == '/');
byte[] t = null;
if (endsWith)
t = new byte[defaultlen + path.length];
else
t = new byte[defaultlen + 1 + path.length];
System.arraycopy(defaultdir, 0, t, 0, defaultlen);
if (!endsWith)
t[defaultlen++] = '/';
System.arraycopy(path, 0, t, defaultlen, path.length);
return new ZipPath(zfs, t, true); // normalized
}
}
@Override
public URI toUri() {
try {
return new URI(zfs.provider().getScheme(),
zfs.getZipFile().toUri() +
"!" +
zfs.getString(toAbsolutePath().path),
null);
} catch (Exception ex) {
throw new AssertionError(ex);
}
}
private boolean equalsNameAt(ZipPath other, int index) {
int mbegin = offsets[index];
int mlen = 0;
if (index == (offsets.length-1))
mlen = path.length - mbegin;
else
mlen = offsets[index + 1] - mbegin - 1;
int obegin = other.offsets[index];
int olen = 0;
if (index == (other.offsets.length - 1))
olen = other.path.length - obegin;
else
olen = other.offsets[index + 1] - obegin - 1;
if (mlen != olen)
return false;
int n = 0;
while(n < mlen) {
if (path[mbegin + n] != other.path[obegin + n])
return false;
n++;
}
return true;
}
@Override
public Path relativize(Path other) {
final ZipPath o = checkPath(other);
if (o.equals(this))
return new ZipPath(getFileSystem(), new byte[0], true);
if (/* this.getFileSystem() != o.getFileSystem() || */
this.isAbsolute() != o.isAbsolute()) {
throw new IllegalArgumentException();
}
int mc = this.getNameCount();
int oc = o.getNameCount();
int n = Math.min(mc, oc);
int i = 0;
while (i < n) {
if (!equalsNameAt(o, i))
break;
i++;
}
int dotdots = mc - i;
int len = dotdots * 3 - 1;
if (i < oc)
len += (o.path.length - o.offsets[i] + 1);
byte[] result = new byte[len];
int pos = 0;
while (dotdots > 0) {
result[pos++] = (byte)'.';
result[pos++] = (byte)'.';
if (pos < len) // no tailing slash at the end
result[pos++] = (byte)'/';
dotdots--;
}
if (i < oc)
System.arraycopy(o.path, o.offsets[i],
result, pos,
o.path.length - o.offsets[i]);
return new ZipPath(getFileSystem(), result);
}
@Override
public ZipFileSystem getFileSystem() {
return zfs;
}
@Override
public boolean isAbsolute() {
return (this.path.length > 0 && path[0] == '/');
}
@Override
public ZipPath resolve(Path other) {
final ZipPath o = checkPath(other);
if (o.isAbsolute())
return o;
byte[] resolved = null;
if (this.path[path.length - 1] == '/') {
resolved = new byte[path.length + o.path.length];
System.arraycopy(path, 0, resolved, 0, path.length);
System.arraycopy(o.path, 0, resolved, path.length, o.path.length);
} else {
resolved = new byte[path.length + 1 + o.path.length];
System.arraycopy(path, 0, resolved, 0, path.length);
resolved[path.length] = '/';
System.arraycopy(o.path, 0, resolved, path.length + 1, o.path.length);
}
return new ZipPath(zfs, resolved);
}
@Override
public Path resolveSibling(Path other) {
if (other == null)
throw new NullPointerException();
Path parent = getParent();
return (parent == null) ? other : parent.resolve(other);
}
@Override
public boolean startsWith(Path other) {
final ZipPath o = checkPath(other);
if (o.isAbsolute() != this.isAbsolute() ||
o.path.length > this.path.length)
return false;
int olast = o.path.length;
for (int i = 0; i < olast; i++) {
if (o.path[i] != this.path[i])
return false;
}
olast--;
return o.path.length == this.path.length ||
o.path[olast] == '/' ||
this.path[olast + 1] == '/';
}
@Override
public boolean endsWith(Path other) {
final ZipPath o = checkPath(other);
int olast = o.path.length - 1;
if (olast > 0 && o.path[olast] == '/')
olast--;
int last = this.path.length - 1;
if (last > 0 && this.path[last] == '/')
last--;
if (olast == -1) // o.path.length == 0
return last == -1;
if ((o.isAbsolute() &&(!this.isAbsolute() || olast != last)) ||
(last < olast))
return false;
for (; olast >= 0; olast--, last--) {
if (o.path[olast] != this.path[last])
return false;
}
return o.path[olast + 1] == '/' ||
last == -1 || this.path[last] == '/';
}
@Override
public ZipPath resolve(String other) {
return resolve(getFileSystem().getPath(other));
}
@Override
public final Path resolveSibling(String other) {
return resolveSibling(getFileSystem().getPath(other));
}
@Override
public final boolean startsWith(String other) {
return startsWith(getFileSystem().getPath(other));
}
@Override
public final boolean endsWith(String other) {
return endsWith(getFileSystem().getPath(other));
}
@Override
public Path normalize() {
byte[] resolved = getResolved();
if (resolved == path) // no change
return this;
return new ZipPath(zfs, resolved, true);
}
private ZipPath checkPath(Path path) {
if (path == null)
throw new NullPointerException();
if (!(path instanceof ZipPath))
throw new ProviderMismatchException();
return (ZipPath) path;
}
// create offset list if not already created
private void initOffsets() {
if (offsets == null) {
int count, index;
// count names
count = 0;
index = 0;
while (index < path.length) {
byte c = path[index++];
if (c != '/') {
count++;
while (index < path.length && path[index] != '/')
index++;
}
}
// populate offsets
int[] result = new int[count];
count = 0;
index = 0;
while (index < path.length) {
byte c = path[index];
if (c == '/') {
index++;
} else {
result[count++] = index++;
while (index < path.length && path[index] != '/')
index++;
}
}
synchronized (this) {
if (offsets == null)
offsets = result;
}
}
}
// resolved path for locating zip entry inside the zip file,
// the result path does not contain ./ and .. components
private volatile byte[] resolved = null;
byte[] getResolvedPath() {
byte[] r = resolved;
if (r == null) {
if (isAbsolute())
r = getResolved();
else
r = toAbsolutePath().getResolvedPath();
if (r[0] == '/')
r = Arrays.copyOfRange(r, 1, r.length);
resolved = r;
}
return resolved;
}
// removes redundant slashs, replace "\" to zip separator "/"
// and check for invalid characters
private byte[] normalize(byte[] path) {
if (path.length == 0)
return path;
byte prevC = 0;
for (int i = 0; i < path.length; i++) {
byte c = path[i];
if (c == '\\')
return normalize(path, i);
if (c == (byte)'/' && prevC == '/')
return normalize(path, i - 1);
if (c == '\u0000')
throw new InvalidPathException(zfs.getString(path),
"Path: nul character not allowed");
prevC = c;
}
return path;
}
private byte[] normalize(byte[] path, int off) {
byte[] to = new byte[path.length];
int n = 0;
while (n < off) {
to[n] = path[n];
n++;
}
int m = n;
byte prevC = 0;
while (n < path.length) {
byte c = path[n++];
if (c == (byte)'\\')
c = (byte)'/';
if (c == (byte)'/' && prevC == (byte)'/')
continue;
if (c == '\u0000')
throw new InvalidPathException(zfs.getString(path),
"Path: nul character not allowed");
to[m++] = c;
prevC = c;
}
if (m > 1 && to[m - 1] == '/')
m--;
return (m == to.length)? to : Arrays.copyOf(to, m);
}
// Remove DotSlash(./) and resolve DotDot (..) components
private byte[] getResolved() {
if (path.length == 0)
return path;
for (int i = 0; i < path.length; i++) {
byte c = path[i];
if (c == (byte)'.')
return resolve0();
}
return path;
}
// TBD: performance, avoid initOffsets
private byte[] resolve0() {
byte[] to = new byte[path.length];
int nc = getNameCount();
int[] lastM = new int[nc];
int lastMOff = -1;
int m = 0;
for (int i = 0; i < nc; i++) {
int n = offsets[i];
int len = (i == offsets.length - 1)?
(path.length - n):(offsets[i + 1] - n - 1);
if (len == 1 && path[n] == (byte)'.') {
if (m == 0 && path[0] == '/') // absolute path
to[m++] = '/';
continue;
}
if (len == 2 && path[n] == '.' && path[n + 1] == '.') {
if (lastMOff >= 0) {
m = lastM[lastMOff--]; // retreat
continue;
}
if (path[0] == '/') { // "/../xyz" skip
if (m == 0)
to[m++] = '/';
} else { // "../xyz" -> "../xyz"
if (m != 0 && to[m-1] != '/')
to[m++] = '/';
while (len-- > 0)
to[m++] = path[n++];
}
continue;
}
if (m == 0 && path[0] == '/' || // absolute path
m != 0 && to[m-1] != '/') { // not the first name
to[m++] = '/';
}
lastM[++lastMOff] = m;
while (len-- > 0)
to[m++] = path[n++];
}
if (m > 1 && to[m - 1] == '/')
m--;
return (m == to.length)? to : Arrays.copyOf(to, m);
}
@Override
public String toString() {
return zfs.getString(path);
}
@Override
public int hashCode() {
int h = hashcode;
if (h == 0)
hashcode = h = Arrays.hashCode(path);
return h;
}
@Override
public boolean equals(Object obj) {
return obj != null &&
obj instanceof ZipPath &&
this.zfs == ((ZipPath)obj).zfs &&
compareTo((Path) obj) == 0;
}
@Override
public int compareTo(Path other) {
final ZipPath o = checkPath(other);
int len1 = this.path.length;
int len2 = o.path.length;
int n = Math.min(len1, len2);
byte v1[] = this.path;
byte v2[] = o.path;
int k = 0;
while (k < n) {
int c1 = v1[k] & 0xff;
int c2 = v2[k] & 0xff;
if (c1 != c2)
return c1 - c2;
k++;
}
return len1 - len2;
}
public WatchKey register(
WatchService watcher,
WatchEvent.Kind<?>[] events,
WatchEvent.Modifier... modifiers) {
if (watcher == null || events == null || modifiers == null) {
throw new NullPointerException();
}
throw new UnsupportedOperationException();
}
@Override
public WatchKey register(WatchService watcher, WatchEvent.Kind<?>... events) {
return register(watcher, events, new WatchEvent.Modifier[0]);
}
@Override
public final File toFile() {
throw new UnsupportedOperationException();
}
@Override
public Iterator<Path> iterator() {
return new Iterator<Path>() {
private int i = 0;
@Override
public boolean hasNext() {
return (i < getNameCount());
}
@Override
public Path next() {
if (i < getNameCount()) {
Path result = getName(i);
i++;
return result;
} else {
throw new NoSuchElementException();
}
}
@Override
public void remove() {
throw new ReadOnlyFileSystemException();
}
};
}
/////////////////////////////////////////////////////////////////////
void createDirectory(FileAttribute<?>... attrs)
throws IOException
{
zfs.createDirectory(getResolvedPath(), attrs);
}
InputStream newInputStream(OpenOption... options) throws IOException
{
if (options.length > 0) {
for (OpenOption opt : options) {
if (opt != READ)
throw new UnsupportedOperationException("'" + opt + "' not allowed");
}
}
return zfs.newInputStream(getResolvedPath());
}
DirectoryStream<Path> newDirectoryStream(Filter<? super Path> filter)
throws IOException
{
return new ZipDirectoryStream(this, filter);
}
void delete() throws IOException {
zfs.deleteFile(getResolvedPath(), true);
}
void deleteIfExists() throws IOException {
zfs.deleteFile(getResolvedPath(), false);
}
ZipFileAttributes getAttributes() throws IOException
{
ZipFileAttributes zfas = zfs.getFileAttributes(getResolvedPath());
if (zfas == null)
throw new NoSuchFileException(toString());
return zfas;
}
void setAttribute(String attribute, Object value, LinkOption... options)
throws IOException
{
String type = null;
String attr = null;
int colonPos = attribute.indexOf(':');
if (colonPos == -1) {
type = "basic";
attr = attribute;
} else {
type = attribute.substring(0, colonPos++);
attr = attribute.substring(colonPos);
}
ZipFileAttributeView view = ZipFileAttributeView.get(this, type);
if (view == null)
throw new UnsupportedOperationException("view <" + view + "> is not supported");
view.setAttribute(attr, value);
}
void setTimes(FileTime mtime, FileTime atime, FileTime ctime)
throws IOException
{
zfs.setTimes(getResolvedPath(), mtime, atime, ctime);
}
Map<String, Object> readAttributes(String attributes, LinkOption... options)
throws IOException
{
String view = null;
String attrs = null;
int colonPos = attributes.indexOf(':');
if (colonPos == -1) {
view = "basic";
attrs = attributes;
} else {
view = attributes.substring(0, colonPos++);
attrs = attributes.substring(colonPos);
}
ZipFileAttributeView zfv = ZipFileAttributeView.get(this, view);
if (zfv == null) {
throw new UnsupportedOperationException("view not supported");
}
return zfv.readAttributes(attrs);
}
FileStore getFileStore() throws IOException {
// each ZipFileSystem only has one root (as requested for now)
if (exists())
return zfs.getFileStore(this);
throw new NoSuchFileException(zfs.getString(path));
}
boolean isSameFile(Path other) throws IOException {
if (this.equals(other))
return true;
if (other == null ||
this.getFileSystem() != other.getFileSystem())
return false;
this.checkAccess();
((ZipPath)other).checkAccess();
return Arrays.equals(this.getResolvedPath(),
((ZipPath)other).getResolvedPath());
}
SeekableByteChannel newByteChannel(Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException
{
return zfs.newByteChannel(getResolvedPath(), options, attrs);
}
FileChannel newFileChannel(Set<? extends OpenOption> options,
FileAttribute<?>... attrs)
throws IOException
{
return zfs.newFileChannel(getResolvedPath(), options, attrs);
}
void checkAccess(AccessMode... modes) throws IOException {
boolean w = false;
boolean x = false;
for (AccessMode mode : modes) {
switch (mode) {
case READ:
break;
case WRITE:
w = true;
break;
case EXECUTE:
x = true;
break;
default:
throw new UnsupportedOperationException();
}
}
ZipFileAttributes attrs = zfs.getFileAttributes(getResolvedPath());
if (attrs == null && (path.length != 1 || path[0] != '/'))
throw new NoSuchFileException(toString());
if (w) {
if (zfs.isReadOnly())
throw new AccessDeniedException(toString());
}
if (x)
throw new AccessDeniedException(toString());
}
boolean exists() {
if (path.length == 1 && path[0] == '/')
return true;
try {
return zfs.exists(getResolvedPath());
} catch (IOException x) {}
return false;
}
OutputStream newOutputStream(OpenOption... options) throws IOException
{
if (options.length == 0)
return zfs.newOutputStream(getResolvedPath(),
CREATE_NEW, WRITE);
return zfs.newOutputStream(getResolvedPath(), options);
}
void move(ZipPath target, CopyOption... options)
throws IOException
{
if (Files.isSameFile(this.zfs.getZipFile(), target.zfs.getZipFile()))
{
zfs.copyFile(true,
getResolvedPath(), target.getResolvedPath(),
options);
} else {
copyToTarget(target, options);
delete();
}
}
void copy(ZipPath target, CopyOption... options)
throws IOException
{
if (Files.isSameFile(this.zfs.getZipFile(), target.zfs.getZipFile()))
zfs.copyFile(false,
getResolvedPath(), target.getResolvedPath(),
options);
else
copyToTarget(target, options);
}
private void copyToTarget(ZipPath target, CopyOption... options)
throws IOException
{
boolean replaceExisting = false;
boolean copyAttrs = false;
for (CopyOption opt : options) {
if (opt == REPLACE_EXISTING)
replaceExisting = true;
else if (opt == COPY_ATTRIBUTES)
copyAttrs = true;
}
// attributes of source file
ZipFileAttributes zfas = getAttributes();
// check if target exists
boolean exists;
if (replaceExisting) {
try {
target.deleteIfExists();
exists = false;
} catch (DirectoryNotEmptyException x) {
exists = true;
}
} else {
exists = target.exists();
}
if (exists)
throw new FileAlreadyExistsException(target.toString());
if (zfas.isDirectory()) {
// create directory or file
target.createDirectory();
} else {
InputStream is = zfs.newInputStream(getResolvedPath());
try {
OutputStream os = target.newOutputStream();
try {
byte[] buf = new byte[8192];
int n = 0;
while ((n = is.read(buf)) != -1) {
os.write(buf, 0, n);
}
} finally {
os.close();
}
} finally {
is.close();
}
}
if (copyAttrs) {
BasicFileAttributeView view =
ZipFileAttributeView.get(target, BasicFileAttributeView.class);
try {
view.setTimes(zfas.lastModifiedTime(),
zfas.lastAccessTime(),
zfas.creationTime());
} catch (IOException x) {
// rollback?
try {
target.delete();
} catch (IOException ignore) { }
throw x;
}
}
}
}

320
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@ -0,0 +1,320 @@
/*
* Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.github.marschall.com.sun.nio.zipfs;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import java.util.regex.PatternSyntaxException;
/**
*
* @author Xueming Shen
*/
class ZipUtils {
/*
* Writes a 16-bit short to the output stream in little-endian byte order.
*/
public static void writeShort(OutputStream os, int v) throws IOException {
os.write(v & 0xff);
os.write((v >>> 8) & 0xff);
}
/*
* Writes a 32-bit int to the output stream in little-endian byte order.
*/
public static void writeInt(OutputStream os, long v) throws IOException {
os.write((int)(v & 0xff));
os.write((int)((v >>> 8) & 0xff));
os.write((int)((v >>> 16) & 0xff));
os.write((int)((v >>> 24) & 0xff));
}
/*
* Writes a 64-bit int to the output stream in little-endian byte order.
*/
public static void writeLong(OutputStream os, long v) throws IOException {
os.write((int)(v & 0xff));
os.write((int)((v >>> 8) & 0xff));
os.write((int)((v >>> 16) & 0xff));
os.write((int)((v >>> 24) & 0xff));
os.write((int)((v >>> 32) & 0xff));
os.write((int)((v >>> 40) & 0xff));
os.write((int)((v >>> 48) & 0xff));
os.write((int)((v >>> 56) & 0xff));
}
/*
* Writes an array of bytes to the output stream.
*/
public static void writeBytes(OutputStream os, byte[] b)
throws IOException
{
os.write(b, 0, b.length);
}
/*
* Writes an array of bytes to the output stream.
*/
public static void writeBytes(OutputStream os, byte[] b, int off, int len)
throws IOException
{
os.write(b, off, len);
}
/*
* Append a slash at the end, if it does not have one yet
*/
public static byte[] toDirectoryPath(byte[] dir) {
if (dir.length != 0 && dir[dir.length - 1] != '/') {
dir = Arrays.copyOf(dir, dir.length + 1);
dir[dir.length - 1] = '/';
}
return dir;
}
/*
* Converts DOS time to Java time (number of milliseconds since epoch).
*/
public static long dosToJavaTime(long dtime) {
Date d = new Date((int)(((dtime >> 25) & 0x7f) + 80),
(int)(((dtime >> 21) & 0x0f) - 1),
(int)((dtime >> 16) & 0x1f),
(int)((dtime >> 11) & 0x1f),
(int)((dtime >> 5) & 0x3f),
(int)((dtime << 1) & 0x3e));
return d.getTime();
}
/*
* Converts Java time to DOS time.
*/
public static long javaToDosTime(long time) {
Date d = new Date(time);
int year = d.getYear() + 1900;
if (year < 1980) {
return (1 << 21) | (1 << 16);
}
return (year - 1980) << 25 | (d.getMonth() + 1) << 21 |
d.getDate() << 16 | d.getHours() << 11 | d.getMinutes() << 5 |
d.getSeconds() >> 1;
}
// used to adjust values between Windows and java epoch
private static final long WINDOWS_EPOCH_IN_MICROSECONDS = -11644473600000000L;
public static final long winToJavaTime(long wtime) {
return TimeUnit.MILLISECONDS.convert(
wtime / 10 + WINDOWS_EPOCH_IN_MICROSECONDS, TimeUnit.MICROSECONDS);
}
public static final long javaToWinTime(long time) {
return (TimeUnit.MICROSECONDS.convert(time, TimeUnit.MILLISECONDS)
- WINDOWS_EPOCH_IN_MICROSECONDS) * 10;
}
public static final long unixToJavaTime(long utime) {
return TimeUnit.MILLISECONDS.convert(utime, TimeUnit.SECONDS);
}
public static final long javaToUnixTime(long time) {
return TimeUnit.SECONDS.convert(time, TimeUnit.MILLISECONDS);
}
private static final String regexMetaChars = ".^$+{[]|()";
private static final String globMetaChars = "\\*?[{";
private static boolean isRegexMeta(char c) {
return regexMetaChars.indexOf(c) != -1;
}
private static boolean isGlobMeta(char c) {
return globMetaChars.indexOf(c) != -1;
}
private static char EOL = 0; //TBD
private static char next(String glob, int i) {
if (i < glob.length()) {
return glob.charAt(i);
}
return EOL;
}
/*
* Creates a regex pattern from the given glob expression.
*
* @throws PatternSyntaxException
*/
public static String toRegexPattern(String globPattern) {
boolean inGroup = false;
StringBuilder regex = new StringBuilder("^");
int i = 0;
while (i < globPattern.length()) {
char c = globPattern.charAt(i++);
switch (c) {
case '\\':
// escape special characters
if (i == globPattern.length()) {
throw new PatternSyntaxException("No character to escape",
globPattern, i - 1);
}
char next = globPattern.charAt(i++);
if (isGlobMeta(next) || isRegexMeta(next)) {
regex.append('\\');
}
regex.append(next);
break;
case '/':
regex.append(c);
break;
case '[':
// don't match name separator in class
regex.append("[[^/]&&[");
if (next(globPattern, i) == '^') {
// escape the regex negation char if it appears
regex.append("\\^");
i++;
} else {
// negation
if (next(globPattern, i) == '!') {
regex.append('^');
i++;
}
// hyphen allowed at start
if (next(globPattern, i) == '-') {
regex.append('-');
i++;
}
}
boolean hasRangeStart = false;
char last = 0;
while (i < globPattern.length()) {
c = globPattern.charAt(i++);
if (c == ']') {
break;
}
if (c == '/') {
throw new PatternSyntaxException("Explicit 'name separator' in class",
globPattern, i - 1);
}
// TBD: how to specify ']' in a class?
if (c == '\\' || c == '[' ||
c == '&' && next(globPattern, i) == '&') {
// escape '\', '[' or "&&" for regex class
regex.append('\\');
}
regex.append(c);
if (c == '-') {
if (!hasRangeStart) {
throw new PatternSyntaxException("Invalid range",
globPattern, i - 1);
}
if ((c = next(globPattern, i++)) == EOL || c == ']') {
break;
}
if (c < last) {
throw new PatternSyntaxException("Invalid range",
globPattern, i - 3);
}
regex.append(c);
hasRangeStart = false;
} else {
hasRangeStart = true;
last = c;
}
}
if (c != ']') {
throw new PatternSyntaxException("Missing ']", globPattern, i - 1);
}
regex.append("]]");
break;
case '{':
if (inGroup) {
throw new PatternSyntaxException("Cannot nest groups",
globPattern, i - 1);
}
regex.append("(?:(?:");
inGroup = true;
break;
case '}':
if (inGroup) {
regex.append("))");
inGroup = false;
} else {
regex.append('}');
}
break;
case ',':
if (inGroup) {
regex.append(")|(?:");
} else {
regex.append(',');
}
break;
case '*':
if (next(globPattern, i) == '*') {
// crosses directory boundaries
regex.append(".*");
i++;
} else {
// within directory boundary
regex.append("[^/]*");
}
break;
case '?':
regex.append("[^/]");
break;
default:
if (isRegexMeta(c)) {
regex.append('\\');
}
regex.append(c);
}
}
if (inGroup) {
throw new PatternSyntaxException("Missing '}", globPattern, i - 1);
}
return regex.append('$').toString();
}
}

28
ZipFileSystem/src/main/resources/LICENSE Normal file
View File

@ -0,0 +1,28 @@
Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Oracle nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

2
ZipFileSystem/src/main/resources/META-INF/services/java.nio.file.spi.FileSystemProvider Normal file
View File

@ -0,0 +1,2 @@
com.github.marschall.com.sun.nio.zipfs.ZipFileSystemProvider

1
settings.gradle
View File

@ -21,3 +21,4 @@ include ':FCLCore'
include ':FCLauncher'
include ':FCLLibrary'
include ':LWJGL'
include ':ZipFileSystem'