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/*
 * File: SystemApplicationConsole.java
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * The contents of this file are subject to the terms and conditions of 
 * the Common Development and Distribution License 1.0 (the "License").
 *
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the License by consulting the LICENSE.txt file
 * distributed with this file, or by consulting https://oss.oracle.com/licenses/CDDL
 *
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file LICENSE.txt.
 *
 * MODIFICATIONS:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 */

package com.oracle.tools.runtime.console;

import com.oracle.tools.runtime.ApplicationConsole;

import com.oracle.tools.runtime.java.container.Container;

import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.Reader;

/**
 * An {@link ApplicationConsole} that delegates i/o to the System.
 * 
 * Copyright (c) 2013. All Rights Reserved. Oracle Corporation.

 * Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
 *
 * @author Brian Oliver
 */
public class SystemApplicationConsole implements ApplicationConsole
{
    /**
     * The Standard Output {@link PrintWriter}.
     */
    private PrintWriter m_outputWriter;

    /**
     * The Standard Error {@link PrintWriter}.
     */
    private PrintWriter m_errorWriter;

    /**
     * The Standard Input {@link Reader}.
     */
    private Reader m_inputReader;


    /**
     * Constructs a SystemApplicationConsole.
     */
    public SystemApplicationConsole()
    {
        m_outputWriter = new PrintWriter(Container.getPlatformScope().getStandardOutput());
        m_errorWriter  = new PrintWriter(Container.getPlatformScope().getStandardError());
        m_inputReader  = new InputStreamReader(Container.getPlatformScope().getStandardInput());
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public void close()
    {
        // SKIP: we don't close the System streams
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public PrintWriter getOutputWriter()
    {
        return m_outputWriter;
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public PrintWriter getErrorWriter()
    {
        return m_errorWriter;
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public Reader getInputReader()
    {
        return m_inputReader;
    }
}