FilterInputStream.java

package com.twilight.h264.util;

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

public class FilterInputStream extends InputStream {

	protected volatile InputStream inputStream;
	
	public FilterInputStream(InputStream is) {
		inputStream = is;
	}
	
	public long skip(long length) throws IOException {
		long ret = inputStream.skip(length);
		return ret;
	}

	////
	public int read() throws IOException {
		// TODO Auto-generated method stub
		int ret = inputStream.read();
		return ret;
	}
	
	public int read(byte b[]) throws IOException  {
		int cnt =  inputStream.read(b);
		return cnt;
	}
 
     public int read(byte b[], int off, int len) throws IOException  {
    	int cnt = inputStream.read(b, off, len);
		return cnt;
     }
  
     public int available() throws IOException  {
    	 return inputStream.available();
     }
 
     public void close() throws IOException  {
    	 inputStream.close();
     }
 
     public synchronized void mark(int readlimit) {
    	 inputStream.mark(readlimit);
     }
 
     public synchronized void reset() throws IOException  {
    	 inputStream.reset();
     }
 
     public boolean markSupported() {
    	 return inputStream.markSupported();
     }

}