1 /*

     2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 /*

    27  * @(#)OutputUtil.java  1.6 02/03/27

    28  */

    29 

    30 

    31 

    32 package com.sun.xml.internal.messaging.saaj.packaging.mime.util;

    33 

    34 import com.sun.xml.internal.messaging.saaj.util.ByteOutputStream;

    35 

    36 import java.io.OutputStream;

    37 import java.io.IOException;

    38 

    39 /**

    40  * This class is to support writing out Strings as a sequence of bytes

    41  * terminated by a CRLF sequence. The String must contain only US-ASCII

    42  * characters.<p>

    43  *

    44  * The expected use is to write out RFC822 style headers to an output

    45  * stream. <p>

    46  *

    47  * @author Kohsuke Kawaguchi

    48  */

    49 public abstract class OutputUtil {

    50     private static byte[] newline = {'\r','\n'};

    51 

    52     public static void writeln(String s,OutputStream out) throws IOException {

    53         writeAsAscii(s,out);

    54         writeln(out);

    55     }

    56 

    57     /**

    58      * Writes a string as ASCII string.

    59      */

    60     public static void writeAsAscii(String s,OutputStream out) throws IOException {

    61         int len = s.length();

    62         for( int i=0; i<len; i++ )

    63             out.write((byte)s.charAt(i));

    64     }

    65 

    66     public static void writeln(OutputStream out) throws IOException {

    67         out.write(newline);

    68     }

    69 }