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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 KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.util;
import java.io.IOException;
import java.io.OutputStream;
/**
* Output stream which buffer and redirect a stream line by line.
* <p>
* If the source stream doesn't end with a end of line, one will be added. This
* is particularly useful in combination with the OutputStreamFunneler so each
* funneled stream get its line.
*
* @since Ant 1.8.3
*/
public class LineOrientedOutputStreamRedirector
extends LineOrientedOutputStream {
private OutputStream stream;
// these should be in the ASCII range and hopefully are single bytes
// (for LF and CR respectively) for any encoding thrown at this class
private static final byte[] EOL =
System.getProperty("line.separator").getBytes();
public LineOrientedOutputStreamRedirector(OutputStream stream) {
this.stream = stream;
}
@Override
protected void processLine(byte[] b) throws IOException {
stream.write(b);
stream.write(EOL);
}
@Override
protected void processLine(String line) throws IOException {
stream.write((line + System.getProperty("line.separator")).getBytes());
}
@Override
public void close() throws IOException {
super.close();
stream.close();
}
@Override
public void flush() throws IOException {
super.flush();
stream.flush();
}
}
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