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 package com.sun.xml.internal.bind.marshaller;
  27 
  28 import java.io.IOException;
  29 import java.io.Writer;
  30 
  31 /**
  32  * Escape everything above the US-ASCII code range.
  33  * A fallback position.
  34  *
  35  * Works with any JDK, any encoding.
  36  *
  37  * @since 1.0.1
  38  * @author
  39  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
  40  */
  41 public class DumbEscapeHandler implements CharacterEscapeHandler {
  42 
  43     private DumbEscapeHandler() {}  // no instanciation please
  44 
  45     public static final CharacterEscapeHandler theInstance = new DumbEscapeHandler();
  46 
  47     public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException {
  48         int limit = start+length;
  49         for (int i = start; i < limit; i++) {
  50             switch (ch[i]) {
  51             case '&':
  52                 out.write("&amp;");
  53                 break;
  54             case '<':
  55                 out.write("&lt;");
  56                 break;
  57             case '>':
  58                 out.write("&gt;");
  59                 break;
  60             case '\"':
  61                 if (isAttVal) {
  62                     out.write("&quot;");
  63                 } else {
  64                     out.write('\"');
  65                 }
  66                 break;
  67             default:
  68                 if (ch[i] > '\u007f') {
  69                     out.write("&#");
  70                     out.write(Integer.toString(ch[i]));
  71                     out.write(';');
  72                 } else {
  73                     out.write(ch[i]);
  74                 }
  75             }
  76         }
  77     }
  78 
  79 }