static void ConvertFolderItemInfoToBindInfo(Folder folder, BindInfoEx bindInfo) {
bindInfo.clear();
for (int i = 0; i < folder.bindPairs.size(); i++) {
BindPair bindPair =
new BindPair(folder.bindPairs.get(i).inIndex, folder.bindPairs.get(i).outIndex);
bindInfo.bindPairs.add(bindPair);
}
int outStreamIndex = 0;
for (int i = 0; i < folder.coders.size(); i++) {
CoderInfo coderInfo = folder.coders.get(i);
bindInfo.coders.add(
new CoderStreamsInfo(coderInfo.getInStreamsCount(), coderInfo.getOutStreamsCount()));
AltCoderInfo altCoderInfo = coderInfo.getAltCoders().first();
bindInfo.CoderMethodIDs.add(altCoderInfo.MethodID);
for (int j = 0; j < coderInfo.getOutStreamsCount(); j++, outStreamIndex++) {
if (folder.findBindPairForOutStream(outStreamIndex) < 0) {
bindInfo.outStreams.add(outStreamIndex);
}
}
}
for (int i = 0; i < folder.packStreams.size(); i++) {
bindInfo.inStreams.add(folder.packStreams.get(i));
}
}
Result decode(
IInStream inStream,
long startPos,
LongVector packSizes,
int packSizesOffset,
Folder folderInfo,
OutputStream outStream)
throws IOException {
ObjectVector<InputStream> inStreams = new ObjectVector<>();
LockedInStream lockedInStream = new LockedInStream();
lockedInStream.Init(inStream);
for (int j = 0; j < folderInfo.packStreams.size(); j++) {
LockedSequentialInStreamImp lockedStreamImpSpec = new LockedSequentialInStreamImp();
lockedStreamImpSpec.Init(lockedInStream, startPos);
startPos += packSizes.get(j + packSizesOffset);
LimitedSequentialInStream streamSpec = new LimitedSequentialInStream();
streamSpec.setStream(lockedStreamImpSpec);
streamSpec.init(packSizes.get(j + packSizesOffset));
inStreams.add(streamSpec);
}
int numCoders = folderInfo.coders.size();
BindInfoEx bindInfo = new BindInfoEx();
ConvertFolderItemInfoToBindInfo(folderInfo, bindInfo);
boolean createNewCoders;
createNewCoders = (!_bindInfoExPrevIsDefined || !bindInfo.equals(_bindInfoExPrev));
if (createNewCoders) {
int i;
_decoders.clear();
if (_mixerCoder != null) _mixerCoder.close();
_mixerCoderSTSpec = new CoderMixer2ST();
_mixerCoder = _mixerCoderSTSpec;
_mixerCoderCommon = _mixerCoderSTSpec;
_mixerCoderCommon.setBindInfo(bindInfo);
for (i = 0; i < numCoders; i++) {
CoderInfo coderInfo = folderInfo.coders.get(i);
AltCoderInfo altCoderInfo = coderInfo.getAltCoders().first();
if (coderInfo.isSimpleCoder()) {
ICompressCoder decoder = null;
ICompressFilter filter = null;
if (altCoderInfo.MethodID.equals(MethodID.k_LZMA)) {
decoder = new org.jamel.j7zip.compression.LZMA.Decoder();
}
if (altCoderInfo.MethodID.equals(MethodID.k_BCJ_X86)) {
filter = new BCJ_x86_Decoder();
}
if (altCoderInfo.MethodID.equals(MethodID.k_Copy)) {
decoder = new org.jamel.j7zip.compression.Copy.Decoder();
}
if (filter != null) {
FilterCoder coderSpec = new FilterCoder();
decoder = coderSpec;
coderSpec.filter = filter;
}
if (decoder == null) {
return Result.ERROR_NOT_IMPLEMENTED;
}
_decoders.add(decoder);
_mixerCoderSTSpec.addCoder(decoder, false);
} else {
ICompressCoder2 decoder = null;
if (altCoderInfo.MethodID.equals(MethodID.k_BCJ2)) {
decoder = new BCJ2_x86_Decoder();
}
if (decoder == null) {
return Result.ERROR_NOT_IMPLEMENTED;
}
_decoders.add(decoder);
_mixerCoderSTSpec.addCoder2(decoder, false);
}
}
_bindInfoExPrev = bindInfo;
_bindInfoExPrevIsDefined = true;
}
int packStreamIndex = 0, unPackStreamIndex = 0;
int coderIndex = 0;
for (int i = 0; i < numCoders; i++) {
CoderInfo coderInfo = folderInfo.coders.get(i);
AltCoderInfo altCoderInfo = coderInfo.getAltCoders().first();
ByteBuffer properties = altCoderInfo.Properties;
int size = properties.GetCapacity();
if (size == -1) {
return Result.ERROR_NOT_IMPLEMENTED;
}
if (size > 0) {
Object decoder = _decoders.get(coderIndex);
if (decoder instanceof org.jamel.j7zip.compression.LZMA.Decoder) {
boolean ret =
((org.jamel.j7zip.compression.LZMA.Decoder) decoder)
.setDecoderProperties2(properties.data());
if (!ret) return Result.ERROR_FAIL;
}
}
coderIndex++;
int numInStreams = coderInfo.getInStreamsCount();
int numOutStreams = coderInfo.getOutStreamsCount();
LongVector packSizesPointers = new LongVector();
LongVector unPackSizesPointers = new LongVector();
packSizesPointers.Reserve(numInStreams);
unPackSizesPointers.Reserve(numOutStreams);
int j;
for (j = 0; j < numOutStreams; j++, unPackStreamIndex++) {
unPackSizesPointers.add(folderInfo.unPackSizes.get(unPackStreamIndex));
}
for (j = 0; j < numInStreams; j++, packStreamIndex++) {
int bindPairIndex = folderInfo.findBindPairForInStream(packStreamIndex);
if (bindPairIndex >= 0) {
packSizesPointers.add(
folderInfo.unPackSizes.get(folderInfo.bindPairs.get(bindPairIndex).outIndex));
} else {
int index = folderInfo.findPackStreamArrayIndex(packStreamIndex);
if (index < 0) {
return Result.ERROR_FAIL;
}
packSizesPointers.add(packSizes.get(index));
}
}
_mixerCoderCommon.setCoderInfo(i, packSizesPointers, unPackSizesPointers);
}
if (numCoders == 0) return Result.ERROR_INVALID_ARGS;
ObjectVector<java.io.InputStream> inStreamPointers = new ObjectVector<>();
inStreamPointers.reserve(inStreams.size());
for (InputStream stream : inStreams) {
inStreamPointers.add(stream);
}
ObjectVector<java.io.OutputStream> outStreamPointer = new ObjectVector<>();
outStreamPointer.add(outStream);
return _mixerCoder.code(inStreamPointers, inStreams.size(), outStreamPointer, 1);
}