1 /* 2 * Copyright (c) 1997, 2012, 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 java.io.OutputStream; 35 import java.io.IOException; 36 37 /** 38 * This class is to support writing out Strings as a sequence of bytes 39 * terminated by a CRLF sequence. The String must contain only US-ASCII 40 * characters.<p> 41 * 42 * The expected use is to write out RFC822 style headers to an output 43 * stream. <p> 44 * 45 * @author Kohsuke Kawaguchi 46 */ 47 public abstract class OutputUtil { 48 private static byte[] newline = {'\r','\n'}; 49 50 public static void writeln(String s,OutputStream out) throws IOException { 51 writeAsAscii(s,out); 52 writeln(out); 53 } 54 55 /** 56 * Writes a string as ASCII string. 57 */ 58 public static void writeAsAscii(String s,OutputStream out) throws IOException { 59 int len = s.length(); 60 for( int i=0; i<len; i++ ) 61 out.write((byte)s.charAt(i)); 62 } 63 64 public static void writeln(OutputStream out) throws IOException { 65 out.write(newline); 66 } 67 }