/*********************************************************************** * Copyright (c) 2000-2004 The Apache Software Foundation.             * * All rights reserved.                                                * * ------------------------------------------------------------------- * * 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 org.hwmhere.email.impl.util;import java.io.OutputStream;import java.io.PrintWriter;import java.io.Writer;/** * Writes to a wrapped Writer class, ensuring that all line separators are '\r\n', regardless * of platform. */public class InternetPrintWriter    extends PrintWriter {    /**     * The line separator to use.     */    private static String lineSeparator = "\r\n";    /**     * Whether the Writer autoflushes on line feeds     */    private final boolean autoFlush;    /**     * Constructor that takes a writer to wrap.     *     * @param out the wrapped Writer     */    public InternetPrintWriter (Writer out) {        super (out);        autoFlush = false;    }    /**     * Constructor that takes a writer to wrap.     *     * @param out the wrapped Writer     * @param autoFlush whether to flush after each print call     */    public InternetPrintWriter (Writer out, boolean autoFlush) {        super (out, autoFlush);        this.autoFlush = autoFlush;    }    /**     * Constructor that takes a stream to wrap.     *     * @param out the wrapped OutputStream     */    public InternetPrintWriter (OutputStream out) {        super (out);        autoFlush = false;    }    /**     * Constructor that takes a stream to wrap.     *     * @param out the wrapped OutputStream     * @param autoFlush whether to flush after each print call     */    public InternetPrintWriter (OutputStream out, boolean autoFlush) {        super (out, autoFlush);        this.autoFlush = autoFlush;    }    /**     * Print a line separator.     */    public void println () {        synchronized (lock) {            write(lineSeparator);            if (autoFlush) {                flush();            }        }    }    /**     * Print a boolean followed by a line separator.     *     * @param x the boolean to print     */    public void println(boolean x) {        synchronized (lock) {            print(x);            println();        }    }    /**     * Print a char followed by a line separator.     *     * @param x the char to print     */    public void println(char x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a int followed by a line separator.     *     * @param x the int to print     */    public void println (int x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a long followed by a line separator.     *     * @param x the long to print     */    public void println (long x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a float followed by a line separator.     *     * @param x the float to print     */    public void println (float x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a double followed by a line separator.     *     * @param x the double to print     */    public void println (double x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a character array followed by a line separator.     *     * @param x the character array to print     */    public void println (char[] x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print a String followed by a line separator.     *     * @param x the String to print     */    public void println (String x) {        synchronized (lock) {            print (x);            println ();        }    }    /**     * Print an Object followed by a line separator.     *     * @param x the Object to print     */    public void println (Object x) {        synchronized (lock) {            print (x);            println ();        }    }}