WrapperPrintStream.java

package org.tanukisoftware.wrapper;

/*
 * Copyright (c) 1999, 2009 Tanuki Software, Ltd.
 * http://www.tanukisoftware.com
 * All rights reserved.
 *
 * This software is the proprietary information of Tanuki Software.
 * You shall use it only in accordance with the terms of the
 * license agreement you entered into with Tanuki Software.
 * http://wrapper.tanukisoftware.org/doc/english/licenseOverview.html
 */

import java.io.PrintStream;

/**
 * Not all methods are currently overridden as this is an internal class.
 */
final class WrapperPrintStream
    extends PrintStream
{
    private String m_header;
    
    WrapperPrintStream( PrintStream parent, String header )
    {
        super( parent );
        
        m_header = header;
    }
    
    /**
     * Terminate the current line by writing the line separator string.  The
     * line separator string is defined by the system property
     * <code>line.separator</code>, and is not necessarily a single newline
     * character (<code>'\n'</code>).
     */
    public void println()
    {
        super.println( m_header );
    }
    
    /**
     * Print a String and then terminate the line.  This method behaves as
     * though it invokes <code>{@link #print(String)}</code> and then
     * <code>{@link #println()}</code>.
     *
     * @param x  The <code>String</code> to be printed.
     */
    public void println( String x )
    {
        super.println( m_header + x );
    }
    
    /**
     * Print an Object and then terminate the line.  This method behaves as
     * though it invokes <code>{@link #print(Object)}</code> and then
     * <code>{@link #println()}</code>.
     *
     * @param x  The <code>Object</code> to be printed.
     */
    public void println( Object x )
    {
        super.println( m_header + x );
    }
}