/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  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 at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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 * Version 2] license."  If you don't indicate a single choice of license, a
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package com.sun.mail.util;

import java.io.*;

/**
 * This class is to support writing out Strings as a sequence of bytes
 * terminated by a CRLF sequence. The String must contain only US-ASCII
 * characters.<p>
 *
 * The expected use is to write out RFC822 style headers to an output
 * stream. <p>
 *
 * @author John Mani
 */

public class LineOutputStream extends FilterOutputStream {
    private static byte[] newline;

    static {
	newline = new byte[2];
	newline[0] = (byte)'\r';
	newline[1] = (byte)'\n';
    }

    public LineOutputStream(OutputStream out) {
	super(out);
    }

    public void writeln(String s) throws IOException {
	byte[] bytes = ASCIIUtility.getBytes(s);
	out.write(bytes);
	out.write(newline);
    }

    public void writeln() throws IOException {
	out.write(newline);
    }
}