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package org.glassfish.grizzly.http.server;
import java.io.IOException;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.Cacheable;
import org.glassfish.grizzly.ReadHandler;
import org.glassfish.grizzly.http.io.InputBuffer;
import org.glassfish.grizzly.http.io.NIOInputStream;
/**
* {@link NIOInputStream} implementation based on {@link InputBuffer}.
*
* @author Ryan Lubke
* @author Alexey Stashok
*/
final class NIOInputStreamImpl extends NIOInputStream implements Cacheable {
private InputBuffer inputBuffer;
// ------------------------------------------------ Methods from InputStream
/**
* {@inheritDoc}
*/
@Override public int read() throws IOException {
return inputBuffer.readByte();
}
/**
* {@inheritDoc}
*/
@Override public int read(byte[] b) throws IOException {
return inputBuffer.read(b, 0, b.length);
}
/**
* {@inheritDoc}
*/
@Override public int read(byte[] b, int off, int len) throws IOException {
return inputBuffer.read(b, off, len);
}
/**
* {@inheritDoc}
*/
@Override public long skip(long n) throws IOException {
return inputBuffer.skip(n);
}
/**
* {@inheritDoc}
*/
@Override public int available() throws IOException {
return inputBuffer.available();
}
/**
* {@inheritDoc}
*/
@Override public void close() throws IOException {
inputBuffer.close();
}
/**
* {@inheritDoc}
*/
@Override public void mark(int readlimit) {
inputBuffer.mark(readlimit);
}
/**
* {@inheritDoc}
*/
@Override public void reset() throws IOException {
inputBuffer.reset();
}
/**
* This {@link NIOInputStream} implementation supports marking.
*
* @return true
*/
@Override public boolean markSupported() {
return inputBuffer.markSupported();
}
// --------------------------------------------- Methods from InputSource
/**
* {@inheritDoc}
*/
@Override
public void notifyAvailable(ReadHandler handler) {
inputBuffer.notifyAvailable(handler);
}
/**
* {@inheritDoc}
*/
@Override
public void notifyAvailable(ReadHandler handler, int size) {
inputBuffer.notifyAvailable(handler, size);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isFinished() {
return inputBuffer.isFinished();
}
/**
* {@inheritDoc}
*/
@Override
public int readyData() {
return inputBuffer.available();
}
/**
* {@inheritDoc}
*/
@Override
public boolean isReady() {
return (inputBuffer.available() > 0);
}
// --------------------------------------- Methods from BinaryNIOInputSource
/**
* {@inheritDoc}
*/
@Override
public Buffer getBuffer() {
return inputBuffer.getBuffer();
}
/**
* {@inheritDoc}
*/
@Override
public Buffer readBuffer() {
return inputBuffer.readBuffer();
}
/**
* {@inheritDoc}
*/
@Override
public Buffer readBuffer(final int size) {
return inputBuffer.readBuffer(size);
}
// -------------------------------------------------- Methods from Cacheable
/**
* {@inheritDoc}
*/
@Override
public void recycle() {
inputBuffer = null;
}
// ---------------------------------------------------------- Public Methods
public void setInputBuffer(final InputBuffer inputBuffer) {
this.inputBuffer = inputBuffer;
}
}