1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Copyright 1999-2002,2004 The Apache Software Foundation.
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 
  22 /*
  23  * WARNING: because java doesn't support multi-inheritance some code is
  24  * duplicated. If you're changing this file you probably want to change
  25  * DeferredElementImpl.java at the same time.
  26  *
  27  */
  28 
  29 package com.sun.org.apache.xerces.internal.dom;
  30 
  31 import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
  32 import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
  33 import org.w3c.dom.NamedNodeMap;
  34 
  35 
  36 /**
  37  * DeferredElementNSImpl is to ElementNSImpl, what DeferredElementImpl is to
  38  * ElementImpl.
  39  *
  40  * @xerces.internal
  41  *
  42  * @see DeferredElementImpl
  43  */
  44 public class DeferredElementNSImpl
  45     extends ElementNSImpl
  46     implements DeferredNode {
  47 
  48     //
  49     // Constants
  50     //
  51 
  52     /** Serialization version. */
  53     static final long serialVersionUID = -5001885145370927385L;
  54 
  55     //
  56     // Data
  57     //
  58 
  59     /** Node index. */
  60     protected transient int fNodeIndex;
  61 
  62     //
  63     // Constructors
  64     //
  65 
  66     /**
  67      * This is the deferred constructor. Only the fNodeIndex is given here. All
  68      * other data, can be requested from the ownerDocument via the index.
  69      */
  70     DeferredElementNSImpl(DeferredDocumentImpl ownerDoc, int nodeIndex) {
  71         super(ownerDoc, null);
  72 
  73         fNodeIndex = nodeIndex;
  74         needsSyncChildren(true);
  75 
  76     } // <init>(DocumentImpl,int)
  77 
  78     //
  79     // DeferredNode methods
  80     //
  81 
  82     /** Returns the node index. */
  83     public final int getNodeIndex() {
  84         return fNodeIndex;
  85     }
  86 
  87     //
  88     // Protected methods
  89     //
  90 
  91     /** Synchronizes the data (name and value) for fast nodes. */
  92     protected final void synchronizeData() {
  93 
  94         // no need to sync in the future
  95         needsSyncData(false);
  96 
  97         // fluff data
  98         DeferredDocumentImpl ownerDocument =
  99             (DeferredDocumentImpl) this.ownerDocument;
 100 
 101         // we don't want to generate any event for this so turn them off
 102         boolean orig = ownerDocument.mutationEvents;
 103         ownerDocument.mutationEvents = false;
 104 
 105         name = ownerDocument.getNodeName(fNodeIndex);
 106 
 107         // extract local part from QName
 108         int index = name.indexOf(':');
 109         if (index < 0) {
 110             localName = name;
 111         }
 112         else {
 113             localName = name.substring(index + 1);
 114         }
 115 
 116             namespaceURI = ownerDocument.getNodeURI(fNodeIndex);
 117         type = (XSTypeDefinition)ownerDocument.getTypeInfo(fNodeIndex);
 118 
 119         // attributes
 120         setupDefaultAttributes();
 121         int attrIndex = ownerDocument.getNodeExtra(fNodeIndex);
 122         if (attrIndex != -1) {
 123             NamedNodeMap attrs = getAttributes();
 124             boolean seenSchemaDefault = false;
 125             do {
 126                 AttrImpl attr = (AttrImpl) ownerDocument.getNodeObject(attrIndex);
 127                 // Take special care of schema defaulted attributes. Calling the
 128                 // non-namespace aware setAttributeNode() method could overwrite
 129                 // another attribute with the same local name.
 130                 if (!attr.getSpecified() && (seenSchemaDefault ||
 131                     (attr.getNamespaceURI() != null &&
 132                     attr.getNamespaceURI() != NamespaceContext.XMLNS_URI &&
 133                     attr.getName().indexOf(':') < 0))) {
 134                     seenSchemaDefault = true;
 135                     attrs.setNamedItemNS(attr);
 136                 }
 137                 else {
 138                     attrs.setNamedItem(attr);
 139                 }
 140                 attrIndex = ownerDocument.getPrevSibling(attrIndex);
 141             } while (attrIndex != -1);
 142         }
 143 
 144         // set mutation events flag back to its original value
 145         ownerDocument.mutationEvents = orig;
 146 
 147     } // synchronizeData()
 148 
 149     /**
 150      * Synchronizes the node's children with the internal structure.
 151      * Fluffing the children at once solves a lot of work to keep
 152      * the two structures in sync. The problem gets worse when
 153      * editing the tree -- this makes it a lot easier.
 154      */
 155     protected final void synchronizeChildren() {
 156         DeferredDocumentImpl ownerDocument =
 157             (DeferredDocumentImpl) ownerDocument();
 158         ownerDocument.synchronizeChildren(this, fNodeIndex);
 159     } // synchronizeChildren()
 160 
 161 } // class DeferredElementImpl