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package org.glassfish.grizzly.http.io;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.memory.HeapBuffer;
import org.glassfish.grizzly.memory.MemoryManager;
/**
* {@link HeapBuffer} implementation, which might be reset to reference another
* byte[] at any moment.
*
* @author Alexey Stashok
*/
final class TemporaryHeapBuffer extends HeapBuffer {
boolean isDisposed;
/**
* Reset the byte[] this Buffer wraps.
*/
void reset(final byte[] heap, final int offset, final int len) {
this.heap = heap;
this.offset = offset;
this.cap = len;
this.lim = len;
this.pos = 0;
byteBuffer = null;
isDisposed = false;
}
Buffer cloneContent() {
// final byte[] clonedBytes = Arrays.copyOfRange(heap,
// offset + pos, offset + lim);
final int length = remaining();
final Buffer buffer = MemoryManager.DEFAULT_MEMORY_MANAGER.allocate(length);
buffer.allowBufferDispose(true);
buffer.put(heap, offset + pos, length);
buffer.flip();
// reset the mutable buffer content with the cloned array
// reset(clonedBytes, 0, clonedBytes.length);
dispose();
return buffer;
}
@Override
public void dispose() {
isDisposed = true;
super.dispose();
}
boolean isDisposed() {
return isDisposed;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof TemporaryHeapBuffer)) return false;
if (!super.equals(o)) return false;
TemporaryHeapBuffer that = (TemporaryHeapBuffer) o;
return (isDisposed == that.isDisposed);
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (isDisposed ? 1 : 0);
return result;
}
public void recycle() {
reset(null, 0, 0);
}
}