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Groovy: A powerful, dynamic language for the JVM
/**
* 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 groovy.io;
import java.io.File;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.io.FileNotFoundException;
import java.io.UnsupportedEncodingException;
import org.codehaus.groovy.runtime.InvokerHelper;
/**
* A PrintWriter that outputs objects in Groovy style.
* That means print(Object) uses InvokerHelper.toString(Object)
* to produce the same results as Writer.print(Object).
*
* @author Jim White
* @since 1.6
*/
public class GroovyPrintWriter extends PrintWriter
{
public GroovyPrintWriter(File file) throws FileNotFoundException
{
super(file);
}
public GroovyPrintWriter(File file, String csn)
throws FileNotFoundException, UnsupportedEncodingException
{
super(file, csn);
}
public GroovyPrintWriter(Writer out)
{
super(out);
}
public GroovyPrintWriter(Writer out, boolean autoflush)
{
super(out, autoflush);
}
public GroovyPrintWriter(OutputStream out)
{
super(out);
}
public GroovyPrintWriter(OutputStream out, boolean autoflush)
{
super(out, autoflush);
}
public GroovyPrintWriter(String filename) throws FileNotFoundException
{
super(filename);
}
public GroovyPrintWriter(String filename, String csn)
throws FileNotFoundException, UnsupportedEncodingException
{
super(filename, csn);
}
// Don't need to do this if Groovy is going to print char[] like a string.
// public void print(char[] x)
// {
// write(InvokerHelper.toString(x));
// }
public void print(Object x)
{
write(InvokerHelper.toString(x));
}
public void println(Object x)
{
// JDK 1.6 has changed the implementation to do a
// String.valueOf(x) rather than call print(x).
// Probably to improve performance by doing the conversion outside the lock.
// This will do the same thing for us, and we don't have to have access to the lock.
println(InvokerHelper.toString(x));
}
}