aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.runtime;
aoqi@0: 
aoqi@0: import java.util.HashSet;
aoqi@0: import java.util.Set;
aoqi@0: 
aoqi@0: import javax.xml.XMLConstants;
aoqi@0: 
aoqi@0: import org.w3c.dom.Attr;
aoqi@0: import org.w3c.dom.NamedNodeMap;
aoqi@0: import org.w3c.dom.Node;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Post-init action for {@link MarshallerImpl} that incorporate the in-scope namespace bindings
aoqi@0:  * from a DOM node.
aoqi@0:  *
aoqi@0:  * TODO: do we really need this? think about a better way to put this logic back into marshaller.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: final class DomPostInitAction implements Runnable {
aoqi@0: 
aoqi@0:     private final Node node;
aoqi@0:     private final XMLSerializer serializer;
aoqi@0: 
aoqi@0:     DomPostInitAction(Node node, XMLSerializer serializer) {
aoqi@0:         this.node = node;
aoqi@0:         this.serializer = serializer;
aoqi@0:     }
aoqi@0: 
aoqi@0:     // declare the currently in-scope namespace bindings
aoqi@0:     public void run() {
aoqi@0:         Set<String> declaredPrefixes = new HashSet<String>();
aoqi@0:         for( Node n=node; n!=null && n.getNodeType()==Node.ELEMENT_NODE; n=n.getParentNode() ) {
aoqi@0:             NamedNodeMap atts = n.getAttributes();
aoqi@0:             if(atts==null)      continue; // broken DOM. but be graceful.
aoqi@0:             for( int i=0; i<atts.getLength(); i++ ) {
aoqi@0:                 Attr a = (Attr)atts.item(i);
aoqi@0:                 String nsUri = a.getNamespaceURI();
aoqi@0:                 if(nsUri==null || !nsUri.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI))
aoqi@0:                     continue;   // not a namespace declaration
aoqi@0:                 String prefix = a.getLocalName();
aoqi@0:                 if(prefix==null)
aoqi@0:                     continue;   // broken DOM. skip to be safe
aoqi@0:                 if(prefix.equals("xmlns")) {
aoqi@0:                     prefix = "";
aoqi@0:                 }
aoqi@0:                 String value = a.getValue();
aoqi@0:                 if(value==null)
aoqi@0:                     continue;   // broken DOM. skip to be safe
aoqi@0:                 if(declaredPrefixes.add(prefix)) {
aoqi@0:                     serializer.addInscopeBinding(value,prefix);
aoqi@0:                 }
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: }