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package com.github.dockerjava.jaxrs.util;

import java.io.IOException;
import java.io.InputStream;

import javax.ws.rs.core.Response;

/**
 * This is a wrapper around {@link Response} that acts as a {@link InputStream}.
 * When this {@link WrappedResponseInputStream} is closed it closes the 
 * underlying {@link Response} object also to prevent connection leaks.
 * 
 * @author marcus
 */
public class WrappedResponseInputStream extends InputStream {
	
	private Response response;
	private InputStream delegate;

	public WrappedResponseInputStream(Response response) {
		this.response = response;
		this.delegate = response.readEntity(InputStream.class);
	}

	public int read() throws IOException {
		return delegate.read();
	}

	public int hashCode() {
		return delegate.hashCode();
	}

	public int read(byte[] b) throws IOException {
		return delegate.read(b);
	}

	public boolean equals(Object obj) {
		return delegate.equals(obj);
	}

	public int read(byte[] b, int off, int len) throws IOException {
		return delegate.read(b, off, len);
	}

	public long skip(long n) throws IOException {
		return delegate.skip(n);
	}

	public int available() throws IOException {
		return delegate.available();
	}

	public void close() throws IOException {
		response.close();
		delegate.close();
	}

	public void mark(int readlimit) {
		delegate.mark(readlimit);
	}

	public void reset() throws IOException {
		delegate.reset();
	}

	public boolean markSupported() {
		return delegate.markSupported();
	}
	
}