/* * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.xml.internal.stream.events ; import java.util.List; import java.util.Map; import java.util.HashMap; import java.util.Iterator; import java.util.ArrayList; import java.util.Collection; import javax.xml.namespace.QName; import javax.xml.stream.events.StartElement; import javax.xml.stream.events.Attribute; import javax.xml.namespace.NamespaceContext; import java.io.Writer; import com.sun.xml.internal.stream.util.ReadOnlyIterator; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.events.Namespace; /** Implementation of StartElementEvent. * * @author Neeraj Bajaj Sun Microsystems,Inc. * @author K.Venugopal Sun Microsystems,Inc. */ public class StartElementEvent extends DummyEvent implements StartElement { private Map fAttributes; private List fNamespaces; private NamespaceContext fNamespaceContext = null; private QName fQName; public StartElementEvent(String prefix, String uri, String localpart) { this(new QName(uri, localpart, prefix)); } public StartElementEvent(QName qname) { fQName = qname; init(); } public StartElementEvent(StartElement startelement) { this(startelement.getName()); addAttributes(startelement.getAttributes()); addNamespaceAttributes(startelement.getNamespaces()); } protected void init() { setEventType(XMLStreamConstants.START_ELEMENT); fAttributes = new HashMap(); fNamespaces = new ArrayList(); } public QName getName() { return fQName; } public void setName(QName qname) { this.fQName = qname; } public Iterator getAttributes() { if(fAttributes != null){ Collection coll = fAttributes.values(); return new ReadOnlyIterator(coll.iterator()); } return new ReadOnlyIterator(); } public Iterator getNamespaces() { if(fNamespaces != null){ return new ReadOnlyIterator(fNamespaces.iterator()); } return new ReadOnlyIterator(); } public Attribute getAttributeByName(QName qname) { if(qname == null) return null; return (Attribute)fAttributes.get(qname); } public String getNamespace(){ return fQName.getNamespaceURI(); } public String getNamespaceURI(String prefix) { //check that URI was supplied when creating this startElement event and prefix matches if( getNamespace() != null && fQName.getPrefix().equals(prefix)) return getNamespace(); //else check the namespace context if(fNamespaceContext != null) return fNamespaceContext.getNamespaceURI(prefix); return null; } /** *
Return a String
representation of this
* StartElement
formatted as XML.
String
representation of this
* StartElement
formatted as XML.
*/
public String toString() {
StringBuffer startElement = new StringBuffer();
// open element
startElement.append("<");
startElement.append(nameAsString());
// add any attributes
if (fAttributes != null) {
Iterator it = this.getAttributes();
Attribute attr = null;
while (it.hasNext()) {
attr = (Attribute) it.next();
startElement.append(" ");
startElement.append(attr.toString());
}
}
// add any namespaces
if (fNamespaces != null) {
Iterator it = fNamespaces.iterator();
Namespace attr = null;
while (it.hasNext()) {
attr = (Namespace) it.next();
startElement.append(" ");
startElement.append(attr.toString());
}
}
// close start tag
startElement.append(">");
// return StartElement as a String
return startElement.toString();
}
/** Return this event as String
* @return String Event returned as string.
*/
public String nameAsString() {
if("".equals(fQName.getNamespaceURI()))
return fQName.getLocalPart();
if(fQName.getPrefix() != null)
return "['" + fQName.getNamespaceURI() + "']:" + fQName.getPrefix() + ":" + fQName.getLocalPart();
else
return "['" + fQName.getNamespaceURI() + "']:" + fQName.getLocalPart();
}
/** Gets a read-only namespace context. If no context is
* available this method will return an empty namespace context.
* The NamespaceContext contains information about all namespaces
* in scope for this StartElement.
*
* @return the current namespace context
*/
public NamespaceContext getNamespaceContext() {
return fNamespaceContext;
}
public void setNamespaceContext(NamespaceContext nc) {
fNamespaceContext = nc;
}
protected void writeAsEncodedUnicodeEx(java.io.Writer writer)
throws java.io.IOException
{
writer.write(toString());
}
void addAttribute(Attribute attr){
if(attr.isNamespace()){
fNamespaces.add(attr);
}else{
fAttributes.put(attr.getName(),attr);
}
}
void addAttributes(Iterator attrs){
if(attrs == null)
return;
while(attrs.hasNext()){
Attribute attr = (Attribute)attrs.next();
fAttributes.put(attr.getName(),attr);
}
}
void addNamespaceAttribute(Namespace attr){
if(attr == null)
return;
fNamespaces.add(attr);
}
void addNamespaceAttributes(Iterator attrs){
if(attrs == null)
return;
while(attrs.hasNext()){
Namespace attr = (Namespace)attrs.next();
fNamespaces.add(attr);
}
}
}