src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/xmlschema/parser/XMLSchemaInternalizationLogic.java

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1 /*
2 * Copyright (c) 1997, 2011, 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.tools.internal.xjc.reader.xmlschema.parser;
27
28 import com.sun.tools.internal.xjc.reader.internalizer.AbstractReferenceFinderImpl;
29 import com.sun.tools.internal.xjc.reader.internalizer.DOMForest;
30 import com.sun.tools.internal.xjc.reader.internalizer.InternalizationLogic;
31 import com.sun.tools.internal.xjc.util.DOMUtils;
32 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
33
34 import org.w3c.dom.Element;
35 import org.w3c.dom.NodeList;
36 import org.xml.sax.Attributes;
37 import org.xml.sax.helpers.XMLFilterImpl;
38
39 /**
40 * XML Schema specific internalization logic.
41 *
42 * @author
43 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
44 */
45 public class XMLSchemaInternalizationLogic implements InternalizationLogic {
46
47 /**
48 * This filter looks for <xs:import> and <xs:include>
49 * and parses those documents referenced by them.
50 */
51 private static final class ReferenceFinder extends AbstractReferenceFinderImpl {
52 ReferenceFinder( DOMForest parent ) {
53 super(parent);
54 }
55
56 protected String findExternalResource( String nsURI, String localName, Attributes atts) {
57 if( WellKnownNamespace.XML_SCHEMA.equals(nsURI)
58 && ("import".equals(localName) || "include".equals(localName) ) )
59 return atts.getValue("schemaLocation");
60 else
61 return null;
62 }
63 }
64
65 public XMLFilterImpl createExternalReferenceFinder(DOMForest parent) {
66 return new ReferenceFinder(parent);
67 }
68
69 public boolean checkIfValidTargetNode(DOMForest parent, Element bindings, Element target) {
70 return WellKnownNamespace.XML_SCHEMA.equals(target.getNamespaceURI());
71 }
72
73 public Element refineTarget(Element target) {
74 // look for existing xs:annotation
75 Element annotation = DOMUtils.getFirstChildElement(target, WellKnownNamespace.XML_SCHEMA, "annotation");
76 if(annotation==null)
77 // none exists. need to make one
78 annotation = insertXMLSchemaElement( target, "annotation" );
79
80 // then look for appinfo
81 Element appinfo = DOMUtils.getFirstChildElement(annotation, WellKnownNamespace.XML_SCHEMA, "appinfo" );
82 if(appinfo==null)
83 // none exists. need to make one
84 appinfo = insertXMLSchemaElement( annotation, "appinfo" );
85
86 return appinfo;
87 }
88
89 /**
90 * Creates a new XML Schema element of the given local name
91 * and insert it as the first child of the given parent node.
92 *
93 * @return
94 * Newly create element.
95 */
96 private Element insertXMLSchemaElement( Element parent, String localName ) {
97 // use the same prefix as the parent node to avoid modifying
98 // the namespace binding.
99 String qname = parent.getTagName();
100 int idx = qname.indexOf(':');
101 if(idx==-1) qname = localName;
102 else qname = qname.substring(0,idx+1)+localName;
103
104 Element child = parent.getOwnerDocument().createElementNS( WellKnownNamespace.XML_SCHEMA, qname );
105
106 NodeList children = parent.getChildNodes();
107
108 if( children.getLength()==0 )
109 parent.appendChild(child);
110 else
111 parent.insertBefore( child, children.item(0) );
112
113 return child;
114 }
115 }

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