Mega Code Archive
Reads data off a stream, printing every byte read to System err
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/****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
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* specific language governing permissions and limitations *
* under the License. *
****************************************************************/
import java.io.IOException;
import java.io.InputStream;
/**
* Reads data off a stream, printing every byte read to System.err.
*/
public class DebugInputStream extends InputStream {
/**
* The input stream being wrapped
*/
InputStream in = null;
/**
* Constructor that takes an InputStream to be wrapped.
*
* @param in the InputStream to be wrapped
*/
public DebugInputStream(InputStream in) {
this.in = in;
}
/**
* Read a byte off the stream
*
* @return the byte read off the stream
* @throws IOException if an exception is encountered when reading
*/
public int read() throws IOException {
int b = in.read();
System.err.write(b);
return b;
}
/**
* Close the stream
*
* @throws IOException if an exception is encountered when closing
*/
public void close() throws IOException {
in.close();
}
}
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