/**
* Creates a new zip entry with fields taken from the specified zip entry.
*
* <p>Assumes the entry represents a directory if and only if the name ends with a forward slash
* "/".
*
* @param entry the entry to get fields from
* @throws ZipException on error
*/
public ZipArchiveEntry(ZipArchiveEntry entry) throws ZipException {
this((java.util.zip.ZipEntry) entry);
setInternalAttributes(entry.getInternalAttributes());
setExternalAttributes(entry.getExternalAttributes());
setExtraFields(getAllExtraFieldsNoCopy());
setPlatform(entry.getPlatform());
GeneralPurposeBit other = entry.getGeneralPurposeBit();
setGeneralPurposeBit(other == null ? null : (GeneralPurposeBit) other.clone());
}
private void readCentralDirectoryEntry(final Map<ZipEntry, NameAndComment> noUTF8Flag)
throws IOException {
this.archive.readFully(this.CFH_BUF);
int off = 0;
final OffsetEntry offset = new OffsetEntry();
final Entry ze = new Entry(offset);
final int versionMadeBy = ZipShort.getValue(this.CFH_BUF, off);
off += 2;
ze.setPlatform(versionMadeBy >> 8 & 0xF);
off += 2;
final GeneralPurposeBit gpFlag = GeneralPurposeBit.parse(this.CFH_BUF, off);
final boolean hasUTF8Flag = gpFlag.usesUTF8ForNames();
final ZipEncoding entryEncoding =
hasUTF8Flag ? ZipEncodingHelper.UTF8_ZIP_ENCODING : this.zipEncoding;
ze.setGeneralPurposeBit(gpFlag);
off += 2;
ze.setMethod(ZipShort.getValue(this.CFH_BUF, off));
off += 2;
final long time = ZipUtil.dosToJavaTime(ZipLong.getValue(this.CFH_BUF, off));
ze.setTime(time);
off += 4;
ze.setCrc(ZipLong.getValue(this.CFH_BUF, off));
off += 4;
ze.setCompressedSize(ZipLong.getValue(this.CFH_BUF, off));
off += 4;
ze.setSize(ZipLong.getValue(this.CFH_BUF, off));
off += 4;
final int fileNameLen = ZipShort.getValue(this.CFH_BUF, off);
off += 2;
final int extraLen = ZipShort.getValue(this.CFH_BUF, off);
off += 2;
final int commentLen = ZipShort.getValue(this.CFH_BUF, off);
off += 2;
final int diskStart = ZipShort.getValue(this.CFH_BUF, off);
off += 2;
ze.setInternalAttributes(ZipShort.getValue(this.CFH_BUF, off));
off += 2;
ze.setExternalAttributes(ZipLong.getValue(this.CFH_BUF, off));
off += 4;
final byte[] fileName = new byte[fileNameLen];
this.archive.readFully(fileName);
ze.setName(entryEncoding.decode(fileName), fileName);
offset.headerOffset = ZipLong.getValue(this.CFH_BUF, off);
this.entries.add(ze);
final byte[] cdExtraData = new byte[extraLen];
this.archive.readFully(cdExtraData);
ze.setCentralDirectoryExtra(cdExtraData);
this.setSizesAndOffsetFromZip64Extra(ze, offset, diskStart);
final byte[] comment = new byte[commentLen];
this.archive.readFully(comment);
ze.setComment(entryEncoding.decode(comment));
if (!hasUTF8Flag && this.useUnicodeExtraFields) {
noUTF8Flag.put(ze, new NameAndComment(fileName, comment));
}
}
private void writeVersionNeededToExtractAndGeneralPurposeBits(
final int zipMethod, final boolean utfFallback, final boolean zip64) throws IOException {
// CheckStyle:MagicNumber OFF
int versionNeededToExtract = INITIAL_VERSION;
GeneralPurposeBit b = new GeneralPurposeBit();
b.useUTF8ForNames(useUTF8Flag || utfFallback);
if (zipMethod == DEFLATED && raf == null) {
// requires version 2 as we are going to store length info
// in the data descriptor
versionNeededToExtract = DATA_DESCRIPTOR_MIN_VERSION;
b.useDataDescriptor(true);
}
if (zip64) {
versionNeededToExtract = ZIP64_MIN_VERSION;
}
// CheckStyle:MagicNumber ON
// version needed to extract
writeOut(ZipShort.getBytes(versionNeededToExtract));
// general purpose bit flag
writeOut(b.encode());
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
ZipArchiveEntry other = (ZipArchiveEntry) obj;
String myName = getName();
String otherName = other.getName();
if (myName == null) {
if (otherName != null) {
return false;
}
} else if (!myName.equals(otherName)) {
return false;
}
String myComment = getComment();
String otherComment = other.getComment();
if (myComment == null) {
myComment = "";
}
if (otherComment == null) {
otherComment = "";
}
return getTime() == other.getTime()
&& myComment.equals(otherComment)
&& getInternalAttributes() == other.getInternalAttributes()
&& getPlatform() == other.getPlatform()
&& getExternalAttributes() == other.getExternalAttributes()
&& getMethod() == other.getMethod()
&& getSize() == other.getSize()
&& getCrc() == other.getCrc()
&& getCompressedSize() == other.getCompressedSize()
&& Arrays.equals(getCentralDirectoryExtra(), other.getCentralDirectoryExtra())
&& Arrays.equals(getLocalFileDataExtra(), other.getLocalFileDataExtra())
&& gpb.equals(other.gpb);
}
