/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.utils;
import java.io.IOException;
import java.io.Writer;
import org.apache.commons.io.output.ProxyWriter;
/**
* {@link Writer} that mimics the UNIX 'tee' command on a pair of {@link Writer}s. Note the {@link
* #write(char[], int, int)} implementation is synchronized.
*
*/
public class TeeWriter extends ProxyWriter {
private Writer branch;
public TeeWriter(Writer out, Writer branch) {
super(out);
this.branch = branch;
}
/** Change the branch Writer */
protected void setBranch(Writer branch) {
this.branch = branch;
}
public void write(int c) throws IOException {
super.write(c);
branch.write(c);
}
public void write(char[] cbuf) throws IOException {
super.write(cbuf);
branch.write(cbuf);
}
public void write(char[] cbuf, int off, int len) throws IOException {
super.write(cbuf, off, len);
branch.write(cbuf, off, len);
}
public void write(String str) throws IOException {
super.write(str);
branch.write(str);
}
public void write(String str, int off, int len) throws IOException {
super.write(str, off, len);
branch.write(str, off, len);
}
public Writer append(CharSequence csq) throws IOException {
super.append(csq);
branch.append(csq);
return this;
}
public Writer append(CharSequence csq, int start, int end) throws IOException {
super.append(csq, start, end);
branch.append(csq, start, end);
return this;
}
public Writer append(char c) throws IOException {
super.append(c);
branch.append(c);
return this;
}
public void flush() throws IOException {
super.flush();
branch.flush();
}
public void close() throws IOException {
try {
super.close();
} finally {
branch.close();
}
}
public String toString() {
return branch.toString();
}
}