/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*
* CVS $Id: EntityReferenceImpl.java,v 1.12 2004/02/08 03:11:56 vgritsenko Exp $
*/
package org.apache.xindice.xml.dom;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xindice.util.ByteArrayInput;
import org.apache.xindice.xml.Signatures;
import org.apache.xindice.xml.SymbolTable;
import org.apache.xindice.xml.XMLCompressedInput;
import org.w3c.dom.EntityReference;
import org.w3c.dom.Node;
/**
* EntityReferenceImpl
*
* @version CVS $Revision: 1.12 $, $Date: 2004/02/08 03:11:56 $
*/
public final class EntityReferenceImpl extends NodeImpl implements EntityReference {
private static final Log log = LogFactory.getLog(EntityReferenceImpl.class);
private short symbolID = -1;
public EntityReferenceImpl() {
}
public EntityReferenceImpl(NodeImpl parentNode, byte[] data, int pos, int len) {
super(parentNode, data, pos, len);
}
public EntityReferenceImpl(NodeImpl parentNode, boolean dirty) {
super(parentNode, dirty);
}
public EntityReferenceImpl(NodeImpl parentNode, String nodeName) {
super(parentNode, true);
this.nodeName = nodeName;
}
protected void checkLoaded() {
if (loaded) {
return;
} else {
loaded = true;
}
try {
if (data != null) {
DocumentImpl doc = (DocumentImpl) getOwnerDocument();
SymbolTable st = doc.getSymbols();
ByteArrayInput bis = new ByteArrayInput(data, pos, len);
XMLCompressedInput xci = new XMLCompressedInput(bis, st);
byte signature = xci.readByte();
byte entityType = (byte) (signature & 0x1F);
switch (entityType) {
case Signatures.EntUnknown:
nodeName = null;
break;
case Signatures.EntDefined:
symbolID = xci.readShort();
nodeName = st.getName(symbolID);
break;
case Signatures.EntAmp:
nodeName = "&";
break;
case Signatures.EntLt:
nodeName = "<";
break;
case Signatures.EntGt:
nodeName = ">";
break;
case Signatures.EntQuot:
nodeName = """;
break;
case Signatures.EntApos:
nodeName = "'";
break;
case Signatures.EntUnicode:
nodeName = "";
// TODO: This
break;
default:
if (log.isWarnEnabled()) {
log.warn("invalid entity type : " + entityType);
}
}
}
} catch (Exception e) {
if (log.isWarnEnabled()) {
log.warn("ignored exception", e);
}
}
}
public short getNodeType() {
return Node.ENTITY_REFERENCE_NODE;
}
}