org.apache.xerces.dom.DeferredElementNSImpl Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* WARNING: because java doesn't support multi-inheritance some code is
* duplicated. If you're changing this file you probably want to change
* DeferredElementImpl.java at the same time.
*
* @version $Id: DeferredElementNSImpl.java 765973 2009-04-17 12:43:14Z mrglavas $
*/
package org.apache.xerces.dom;
import org.apache.xerces.xni.NamespaceContext;
import org.apache.xerces.xs.XSTypeDefinition;
import org.w3c.dom.NamedNodeMap;
/**
* DeferredElementNSImpl is to ElementNSImpl, what DeferredElementImpl is to
* ElementImpl.
*
* @xerces.internal
*
* @see DeferredElementImpl
*/
public class DeferredElementNSImpl
extends ElementNSImpl
implements DeferredNode {
//
// Constants
//
/** Serialization version. */
static final long serialVersionUID = -5001885145370927385L;
//
// Data
//
/** Node index. */
protected transient int fNodeIndex;
//
// Constructors
//
/**
* This is the deferred constructor. Only the fNodeIndex is given here. All
* other data, can be requested from the ownerDocument via the index.
*/
DeferredElementNSImpl(DeferredDocumentImpl ownerDoc, int nodeIndex) {
super(ownerDoc, null);
fNodeIndex = nodeIndex;
needsSyncChildren(true);
} // (DocumentImpl,int)
//
// DeferredNode methods
//
/** Returns the node index. */
public final int getNodeIndex() {
return fNodeIndex;
}
//
// Protected methods
//
/** Synchronizes the data (name and value) for fast nodes. */
protected final void synchronizeData() {
// no need to sync in the future
needsSyncData(false);
// fluff data
DeferredDocumentImpl ownerDocument =
(DeferredDocumentImpl) this.ownerDocument;
// we don't want to generate any event for this so turn them off
boolean orig = ownerDocument.mutationEvents;
ownerDocument.mutationEvents = false;
name = ownerDocument.getNodeName(fNodeIndex);
// extract local part from QName
int index = name.indexOf(':');
if (index < 0) {
localName = name;
}
else {
localName = name.substring(index + 1);
}
namespaceURI = ownerDocument.getNodeURI(fNodeIndex);
type = (XSTypeDefinition)ownerDocument.getTypeInfo(fNodeIndex);
// attributes
setupDefaultAttributes();
int attrIndex = ownerDocument.getNodeExtra(fNodeIndex);
if (attrIndex != -1) {
NamedNodeMap attrs = getAttributes();
boolean seenSchemaDefault = false;
do {
AttrImpl attr = (AttrImpl) ownerDocument.getNodeObject(attrIndex);
// Take special care of schema defaulted attributes. Calling the
// non-namespace aware setAttributeNode() method could overwrite
// another attribute with the same local name.
if (!attr.getSpecified() && (seenSchemaDefault ||
(attr.getNamespaceURI() != null &&
attr.getNamespaceURI() != NamespaceContext.XMLNS_URI &&
attr.getName().indexOf(':') < 0))) {
seenSchemaDefault = true;
attrs.setNamedItemNS(attr);
}
else {
attrs.setNamedItem(attr);
}
attrIndex = ownerDocument.getPrevSibling(attrIndex);
} while (attrIndex != -1);
}
// set mutation events flag back to its original value
ownerDocument.mutationEvents = orig;
} // synchronizeData()
/**
* Synchronizes the node's children with the internal structure.
* Fluffing the children at once solves a lot of work to keep
* the two structures in sync. The problem gets worse when
* editing the tree -- this makes it a lot easier.
*/
protected final void synchronizeChildren() {
DeferredDocumentImpl ownerDocument =
(DeferredDocumentImpl) ownerDocument();
ownerDocument.synchronizeChildren(this, fNodeIndex);
} // synchronizeChildren()
} // class DeferredElementImpl