private void fillOutBuffer() throws IOException {
if (myInflatorId == -1) {
return;
}
while (myOutBufferLength == 0) {
if (myInBufferLength == 0) {
myInBufferOffset = 0;
final int toRead =
(myCompressedAvailable < IN_BUFFER_SIZE) ? myCompressedAvailable : IN_BUFFER_SIZE;
myInBufferLength = myStream.read(myInBuffer, 0, toRead);
if (myInBufferLength < toRead) {
myCompressedAvailable = 0;
} else {
myCompressedAvailable -= toRead;
}
}
if (myInBufferLength <= 0) {
break;
}
final long result =
inflate(myInflatorId, myInBuffer, myInBufferOffset, myInBufferLength, myOutBuffer);
if (result <= 0) {
final StringBuffer extraInfo =
new StringBuffer()
.append(myStream.offset())
.append(":")
.append(myInBufferOffset)
.append(":")
.append(myInBufferLength)
.append(":")
.append(myOutBuffer.length)
.append(":");
for (int i = 0; i < Math.min(10, myInBufferLength); ++i) {
extraInfo.append(myInBuffer[myInBufferOffset + i]).append(",");
}
throw new ZipException(
"Cannot inflate zip-compressed block, code = " + result + ";extra info = " + extraInfo);
}
final int in = (int) (result >> 16) & 0xFFFF;
if (in > myInBufferLength) {
throw new ZipException(
"Invalid inflating result, code = " + result + "; buffer length = " + myInBufferLength);
}
final int out = (int) result & 0xFFFF;
myInBufferOffset += in;
myInBufferLength -= in;
myOutBufferOffset = 0;
myOutBufferLength = out;
if ((result & (1L << 32)) != 0) {
endInflating(myInflatorId);
myInflatorId = -1;
myStream.backSkip(myInBufferLength);
break;
}
}
}