in src/main/org/apache/ant/compress/util/LZ4StreamFactory.java [75:84]
public CompressorInputStream getCompressorStream(InputStream stream,
boolean decompressConcatenated)
throws IOException {
if (!framed && decompressConcatenated) {
throw new UnsupportedOperationException("only the frame format supports"
+ " concatenated streams");
}
return framed ? new FramedLZ4CompressorInputStream(stream, decompressConcatenated)
: (CompressorInputStream) new BlockLZ4CompressorInputStream(stream);
}