private void resolveLocalFileHeaderData(
final Map<ZipEntry, NameAndComment> entriesWithoutUTF8Flag) throws IOException {
for (final Entry ze : this.entries) {
final OffsetEntry offsetEntry = ze.getOffsetEntry();
final long offset = offsetEntry.headerOffset;
this.archive.seek(offset + 26L);
this.archive.readFully(this.SHORT_BUF);
final int fileNameLen = ZipShort.getValue(this.SHORT_BUF);
this.archive.readFully(this.SHORT_BUF);
final int extraFieldLen = ZipShort.getValue(this.SHORT_BUF);
int skipped;
for (int lenToSkip = fileNameLen; lenToSkip > 0; lenToSkip -= skipped) {
skipped = this.archive.skipBytes(lenToSkip);
if (skipped <= 0) {
throw new IOException("failed to skip file name in local file header");
}
}
final byte[] localExtraData = new byte[extraFieldLen];
this.archive.readFully(localExtraData);
ze.setExtra(localExtraData);
offsetEntry.dataOffset = offset + 26L + 2L + 2L + fileNameLen + extraFieldLen;
if (entriesWithoutUTF8Flag.containsKey(ze)) {
final NameAndComment nc = entriesWithoutUTF8Flag.get(ze);
ZipUtil.setNameAndCommentFromExtraFields(ze, nc.name, nc.comment);
}
final String name = ze.getName();
LinkedList<ZipEntry> entriesOfThatName = this.nameMap.get(name);
if (entriesOfThatName == null) {
entriesOfThatName = new LinkedList<ZipEntry>();
this.nameMap.put(name, entriesOfThatName);
}
entriesOfThatName.addLast(ze);
}
}
private Map<String, Tag> findLastParent(final String[] parts) {
Map<String, Tag> map = NBTStorage.this.root;
for (int i = 0; i < parts.length - 1; ++i) {
if (!map.containsKey(parts[i]) || !(map.get(parts[i]) instanceof CompoundTag)) {
return null;
}
map = map.get(parts[i]).getValue();
}
return map;
}
private void putTag(final String key, final Tag tag) {
final String[] parts =
(String[])
Iterables.toArray(
Splitter.on('.').split((CharSequence) this.createRelativeKey(key)),
(Class) String.class);
Map<String, Tag> parent = NBTStorage.this.root;
for (int i = 0; i < parts.length - 1; ++i) {
if (!parent.containsKey(parts[i]) || !(parent.get(parts[i]) instanceof CompoundTag)) {
parent.put(parts[i], new CompoundTag(parts[i]));
}
parent = parent.get(parts[i]).getValue();
}
parent.put(tag.getName(), tag);
}
private Tag findLastTag(final String key, final boolean relative) {
final String[] parts =
(String[])
Iterables.toArray(
Splitter.on('.')
.omitEmptyStrings()
.split((CharSequence) (relative ? this.createRelativeKey(key) : key)),
(Class) String.class);
if (parts.length == 0) {
return new CompoundTag(NBTStorage.this.name, NBTStorage.this.root);
}
final Map<String, Tag> map = this.findLastParent(parts);
if (!map.containsKey(parts[parts.length - 1])) {
return null;
}
return map.get(parts[parts.length - 1]);
}
/**
* Returns the instance associated to the given content encoding.
*
* @param contentEncoding content encoding (e.g. "gzip")
* @return instance for content encoding
*/
static CompressingStreamFactory getFactoryForContentEncoding(String contentEncoding) {
assert FACTORY_MAP.containsKey(contentEncoding);
return FACTORY_MAP.get(contentEncoding);
}
static boolean isSupportedRequestContentEncoding(String contentEncoding) {
return NO_ENCODING.equals(contentEncoding) || FACTORY_MAP.containsKey(contentEncoding);
}
/** Updates an existing jar file. */
boolean update(InputStream in, OutputStream out, InputStream newManifest, JarIndex jarIndex)
throws IOException {
ZipInputStream zis = new ZipInputStream(in);
ZipOutputStream zos = new JarOutputStream(out);
ZipEntry e = null;
boolean foundManifest = false;
boolean updateOk = true;
if (jarIndex != null) {
addIndex(jarIndex, zos);
}
// put the old entries first, replace if necessary
while ((e = zis.getNextEntry()) != null) {
String name = e.getName();
boolean isManifestEntry = equalsIgnoreCase(name, MANIFEST_NAME);
if ((jarIndex != null && equalsIgnoreCase(name, INDEX_NAME)) || (Mflag && isManifestEntry)) {
continue;
} else if (isManifestEntry && ((newManifest != null) || (ename != null) || (pname != null))) {
foundManifest = true;
if (newManifest != null) {
// Don't read from the newManifest InputStream, as we
// might need it below, and we can't re-read the same data
// twice.
FileInputStream fis = new FileInputStream(mname);
boolean ambiguous = isAmbiguousMainClass(new Manifest(fis));
fis.close();
if (ambiguous) {
return false;
}
}
// Update the manifest.
Manifest old = new Manifest(zis);
if (newManifest != null) {
old.read(newManifest);
}
if (!updateManifest(old, zos)) {
return false;
}
} else {
if (!entryMap.containsKey(name)) { // copy the old stuff
// do our own compression
ZipEntry e2 = new ZipEntry(name);
e2.setMethod(e.getMethod());
e2.setTime(e.getTime());
e2.setComment(e.getComment());
e2.setExtra(e.getExtra());
if (e.getMethod() == ZipEntry.STORED) {
e2.setSize(e.getSize());
e2.setCrc(e.getCrc());
}
zos.putNextEntry(e2);
copy(zis, zos);
} else { // replace with the new files
File f = entryMap.get(name);
addFile(zos, f);
entryMap.remove(name);
entries.remove(f);
}
}
}
// add the remaining new files
for (File f : entries) {
addFile(zos, f);
}
if (!foundManifest) {
if (newManifest != null) {
Manifest m = new Manifest(newManifest);
updateOk = !isAmbiguousMainClass(m);
if (updateOk) {
if (!updateManifest(m, zos)) {
updateOk = false;
}
}
} else if (ename != null || pname != null) {
if (!updateManifest(new Manifest(), zos)) {
updateOk = false;
}
}
}
zis.close();
zos.close();
return updateOk;
}
