/*
* 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.
*/
package mf.org.apache.xerces.stax.events;
import java.io.IOException;
import java.io.Writer;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;
import java.util.TreeMap;
import mf.javax.xml.namespace.NamespaceContext;
import mf.javax.xml.namespace.QName;
import mf.javax.xml.stream.Location;
import mf.javax.xml.stream.XMLStreamException;
import mf.javax.xml.stream.events.Attribute;
import mf.javax.xml.stream.events.Namespace;
import mf.javax.xml.stream.events.StartElement;
import mf.org.apache.xerces.stax.DefaultNamespaceContext;
/**
* @xerces.internal
*
* @author Lucian Holland
*
* @version $Id: StartElementImpl.java 730796 2009-01-02 17:36:23Z mrglavas $
*/
public final class StartElementImpl extends ElementImpl implements StartElement {
private static final Comparator QNAME_COMPARATOR = new Comparator() {
public int compare(Object o1, Object o2) {
if (o1.equals(o2)) {
return 0;
}
QName name1 = (QName) o1;
QName name2 = (QName) o2;
return name1.toString().compareTo(name2.toString());
}};
private final Map fAttributes;
private final NamespaceContext fNamespaceContext;
/**
* @param location
* @param schemaType
*/
public StartElementImpl(final QName name, final Iterator attributes, final Iterator namespaces, final NamespaceContext namespaceContext, final Location location) {
super(name, true, namespaces, location);
if (attributes != null && attributes.hasNext()) {
fAttributes = new TreeMap(QNAME_COMPARATOR);
do {
Attribute attr = (Attribute) attributes.next();
fAttributes.put(attr.getName(), attr);
}
while (attributes.hasNext());
}
else {
fAttributes = Collections.EMPTY_MAP;
}
fNamespaceContext = (namespaceContext != null) ? namespaceContext : DefaultNamespaceContext.getInstance();
}
/**
* @see javax.xml.stream.events.StartElement#getAttributes()
*/
public Iterator getAttributes() {
return createImmutableIterator(fAttributes.values().iterator());
}
/**
* @see javax.xml.stream.events.StartElement#getAttributeByName(javax.xml.namespace.QName)
*/
public Attribute getAttributeByName(final QName name) {
return (Attribute) fAttributes.get(name);
}
/**
* @see javax.xml.stream.events.StartElement#getNamespaceContext()
*/
public NamespaceContext getNamespaceContext() {
return fNamespaceContext;
}
/**
* @see javax.xml.stream.events.StartElement#getNamespaceURI(java.lang.String)
*/
public String getNamespaceURI(final String prefix) {
return fNamespaceContext.getNamespaceURI(prefix);
}
public void writeAsEncodedUnicode(Writer writer) throws XMLStreamException {
try {
// Write start tag.
writer.write('<');
QName name = getName();
String prefix = name.getPrefix();
if (prefix != null && prefix.length() > 0) {
writer.write(prefix);
writer.write(':');
}
writer.write(name.getLocalPart());
// Write namespace declarations.
Iterator nsIter = getNamespaces();
while (nsIter.hasNext()) {
Namespace ns = (Namespace) nsIter.next();
writer.write(' ');
ns.writeAsEncodedUnicode(writer);
}
// Write attributes
Iterator attrIter = getAttributes();
while (attrIter.hasNext()) {
Attribute attr = (Attribute) attrIter.next();
writer.write(' ');
attr.writeAsEncodedUnicode(writer);
}
writer.write('>');
}
catch (IOException ioe) {
throw new XMLStreamException(ioe);
}
}
}