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1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.xml.internal.bind.marshaller; |
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27 |
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28 import java.io.IOException; |
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29 import java.io.Writer; |
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30 import java.nio.charset.Charset; |
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31 import java.nio.charset.CharsetEncoder; |
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32 |
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33 /** |
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34 * Uses JDK1.4 NIO functionality to escape characters smartly. |
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35 * |
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36 * @since 1.0.1 |
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37 * @author |
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38 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
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39 */ |
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40 public class NioEscapeHandler implements CharacterEscapeHandler { |
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41 |
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42 private final CharsetEncoder encoder; |
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43 |
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44 // exposing those variations upset javac 1.3.1, since it needs to |
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45 // know about those classes to determine which overloaded version |
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46 // of the method it wants to use. So comment it out for the compatibility. |
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47 |
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48 // public NioEscapeHandler(CharsetEncoder _encoder) { |
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49 // this.encoder = _encoder; |
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50 // if(encoder==null) |
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51 // throw new NullPointerException(); |
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52 // } |
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53 // |
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54 // public NioEscapeHandler(Charset charset) { |
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55 // this(charset.newEncoder()); |
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56 // } |
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57 |
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58 public NioEscapeHandler(String charsetName) { |
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59 // this(Charset.forName(charsetName)); |
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60 this.encoder = Charset.forName(charsetName).newEncoder(); |
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61 } |
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62 |
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63 public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException { |
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64 int limit = start+length; |
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65 for (int i = start; i < limit; i++) { |
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66 switch (ch[i]) { |
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67 case '&': |
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68 out.write("&"); |
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69 break; |
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70 case '<': |
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71 out.write("<"); |
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72 break; |
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73 case '>': |
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74 out.write(">"); |
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75 break; |
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76 case '\"': |
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77 if (isAttVal) { |
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78 out.write("""); |
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79 } else { |
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80 out.write('\"'); |
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81 } |
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82 break; |
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83 default: |
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84 if( encoder.canEncode(ch[i]) ) { |
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85 out.write(ch[i]); |
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86 } else { |
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87 out.write("&#"); |
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88 out.write(Integer.toString(ch[i])); |
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89 out.write(';'); |
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90 } |
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91 } |
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92 } |
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93 } |
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94 |
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95 } |