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/*
 * Copyright 2009 the original author or authors.
 *
 * Licensed 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.PrintStream;
import java.io.FileNotFoundException;
import java.io.UnsupportedEncodingException;

import org.codehaus.groovy.runtime.InvokerHelper;

/**
 * A PrintStream 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 GroovyPrintStream extends PrintStream
{
    /**
     * Creates a new print stream.  This stream will not flush automatically.
     *
     * @see java.io.PrintStream#PrintStream(java.io.OutputStream)
     */
    public GroovyPrintStream(OutputStream out) {
        super(out, false);
    }

    /**
     * Creates a new print stream.
     *
     * @see java.io.PrintStream#PrintStream(java.io.OutputStream, boolean)
     */
    public GroovyPrintStream(OutputStream out, boolean autoFlush) {
        super(out, autoFlush);
    }

    /**
     * Creates a new print stream.
     *
     * @see java.io.PrintStream#PrintStream(java.io.OutputStream, boolean, String)
     */
    public GroovyPrintStream(OutputStream out, boolean autoFlush, String encoding)
        throws UnsupportedEncodingException
    {
        super(out, autoFlush, encoding);
    }

    /**
     * Creates a new print stream, without automatic line flushing, with the
     * specified file name.
     *
     * @see java.io.PrintStream#PrintStream(String)
     */
    public GroovyPrintStream(String fileName) throws FileNotFoundException {
        super(fileName);
    }

    /**
     * Creates a new print stream, without automatic line flushing, with the
     * specified file name and charset. 
     *
     * @see java.io.PrintStream#PrintStream(String, String)
     */
    public GroovyPrintStream(String fileName, String csn)
        throws FileNotFoundException, UnsupportedEncodingException
    {
        super(fileName, csn);
    }

    /**
     * Creates a new print stream, without automatic line flushing, with the
     * specified file. 
     *
     * @see java.io.PrintStream#PrintStream(File)
     */
    public GroovyPrintStream(File file) throws FileNotFoundException {
        super(file);
    }

    /**
     * Creates a new print stream, without automatic line flushing, with the
     * specified file and charset. 
     *
     * @see java.io.PrintStream#PrintStream(File, String)
     */
    public GroovyPrintStream(File file, String csn)
        throws FileNotFoundException, UnsupportedEncodingException
    {
        super(file, csn);
    }

    /**
     * Prints an object Groovy style.
     *
     * @param      obj   The Object to be printed
     */
    public void print(Object obj) {
        print(InvokerHelper.toString(obj));
    }

    /**
     * Prints an object Groovy style followed by a newline.  
     *
     * @param      obj   The Object to be printed
     */
    public void println(Object obj) {
        println(InvokerHelper.toString(obj));
    }

}