Mon, 28 May 2018 10:36:45 +0800
Merge
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 */
26 package com.sun.xml.internal.bind.v2.runtime;
28 import java.util.HashSet;
29 import java.util.Set;
31 import javax.xml.XMLConstants;
33 import org.w3c.dom.Attr;
34 import org.w3c.dom.NamedNodeMap;
35 import org.w3c.dom.Node;
37 /**
38 * Post-init action for {@link MarshallerImpl} that incorporate the in-scope namespace bindings
39 * from a DOM node.
40 *
41 * TODO: do we really need this? think about a better way to put this logic back into marshaller.
42 *
43 * @author Kohsuke Kawaguchi
44 */
45 final class DomPostInitAction implements Runnable {
47 private final Node node;
48 private final XMLSerializer serializer;
50 DomPostInitAction(Node node, XMLSerializer serializer) {
51 this.node = node;
52 this.serializer = serializer;
53 }
55 // declare the currently in-scope namespace bindings
56 public void run() {
57 Set<String> declaredPrefixes = new HashSet<String>();
58 for( Node n=node; n!=null && n.getNodeType()==Node.ELEMENT_NODE; n=n.getParentNode() ) {
59 NamedNodeMap atts = n.getAttributes();
60 if(atts==null) continue; // broken DOM. but be graceful.
61 for( int i=0; i<atts.getLength(); i++ ) {
62 Attr a = (Attr)atts.item(i);
63 String nsUri = a.getNamespaceURI();
64 if(nsUri==null || !nsUri.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI))
65 continue; // not a namespace declaration
66 String prefix = a.getLocalName();
67 if(prefix==null)
68 continue; // broken DOM. skip to be safe
69 if(prefix.equals("xmlns")) {
70 prefix = "";
71 }
72 String value = a.getValue();
73 if(value==null)
74 continue; // broken DOM. skip to be safe
75 if(declaredPrefixes.add(prefix)) {
76 serializer.addInscopeBinding(value,prefix);
77 }
78 }
79 }
80 }
81 }