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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.tools.internal.xjc.reader.xmlschema.parser; |
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27 |
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28 import com.sun.tools.internal.xjc.reader.internalizer.AbstractReferenceFinderImpl; |
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29 import com.sun.tools.internal.xjc.reader.internalizer.DOMForest; |
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30 import com.sun.tools.internal.xjc.reader.internalizer.InternalizationLogic; |
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31 import com.sun.tools.internal.xjc.util.DOMUtils; |
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32 import com.sun.xml.internal.bind.v2.WellKnownNamespace; |
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33 |
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34 import org.w3c.dom.Element; |
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35 import org.w3c.dom.NodeList; |
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36 import org.xml.sax.Attributes; |
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37 import org.xml.sax.helpers.XMLFilterImpl; |
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38 |
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39 /** |
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40 * XML Schema specific internalization logic. |
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41 * |
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42 * @author |
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43 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
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44 */ |
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45 public class XMLSchemaInternalizationLogic implements InternalizationLogic { |
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46 |
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47 /** |
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48 * This filter looks for <xs:import> and <xs:include> |
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49 * and parses those documents referenced by them. |
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50 */ |
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51 private static final class ReferenceFinder extends AbstractReferenceFinderImpl { |
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52 ReferenceFinder( DOMForest parent ) { |
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53 super(parent); |
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54 } |
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55 |
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56 protected String findExternalResource( String nsURI, String localName, Attributes atts) { |
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57 if( WellKnownNamespace.XML_SCHEMA.equals(nsURI) |
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58 && ("import".equals(localName) || "include".equals(localName) ) ) |
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59 return atts.getValue("schemaLocation"); |
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60 else |
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61 return null; |
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62 } |
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63 } |
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64 |
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65 public XMLFilterImpl createExternalReferenceFinder(DOMForest parent) { |
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66 return new ReferenceFinder(parent); |
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67 } |
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68 |
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69 public boolean checkIfValidTargetNode(DOMForest parent, Element bindings, Element target) { |
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70 return WellKnownNamespace.XML_SCHEMA.equals(target.getNamespaceURI()); |
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71 } |
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72 |
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73 public Element refineTarget(Element target) { |
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74 // look for existing xs:annotation |
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75 Element annotation = DOMUtils.getFirstChildElement(target, WellKnownNamespace.XML_SCHEMA, "annotation"); |
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76 if(annotation==null) |
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77 // none exists. need to make one |
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78 annotation = insertXMLSchemaElement( target, "annotation" ); |
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79 |
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80 // then look for appinfo |
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81 Element appinfo = DOMUtils.getFirstChildElement(annotation, WellKnownNamespace.XML_SCHEMA, "appinfo" ); |
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82 if(appinfo==null) |
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83 // none exists. need to make one |
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84 appinfo = insertXMLSchemaElement( annotation, "appinfo" ); |
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85 |
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86 return appinfo; |
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87 } |
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88 |
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89 /** |
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90 * Creates a new XML Schema element of the given local name |
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91 * and insert it as the first child of the given parent node. |
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92 * |
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93 * @return |
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94 * Newly create element. |
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95 */ |
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96 private Element insertXMLSchemaElement( Element parent, String localName ) { |
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97 // use the same prefix as the parent node to avoid modifying |
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98 // the namespace binding. |
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99 String qname = parent.getTagName(); |
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100 int idx = qname.indexOf(':'); |
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101 if(idx==-1) qname = localName; |
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102 else qname = qname.substring(0,idx+1)+localName; |
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103 |
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104 Element child = parent.getOwnerDocument().createElementNS( WellKnownNamespace.XML_SCHEMA, qname ); |
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105 |
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106 NodeList children = parent.getChildNodes(); |
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107 |
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108 if( children.getLength()==0 ) |
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109 parent.appendChild(child); |
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110 else |
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111 parent.insertBefore( child, children.item(0) ); |
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112 |
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113 return child; |
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114 } |
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115 } |