/*
* 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 org.apache.cocoon.template.script.event;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.apache.cocoon.el.objectmodel.ObjectModel;
import org.apache.cocoon.template.environment.ExecutionContext;
import org.apache.cocoon.template.environment.ParsingContext;
import org.apache.cocoon.template.expression.Substitutions;
import org.apache.cocoon.template.instruction.MacroContext;
import org.apache.cocoon.xml.XMLConsumer;
import org.apache.cocoon.xml.util.NamespacesTable;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
/**
* @version SVN $Id: StartElement.java 569795 2007-08-26 10:08:56Z danielf $
*/
public class StartElement extends Event {
public StartElement(ParsingContext parsingContext, Locator location, String namespaceURI,
String localName, String raw, Attributes attrs) throws SAXException {
super(location);
this.namespaceURI = namespaceURI;
this.localName = localName;
this.raw = raw;
this.qname = "{" + namespaceURI + "}" + localName;
int len = attrs.getLength();
for (int i = 0; i < len; i++) {
String uri = attrs.getURI(i);
String local = attrs.getLocalName(i);
String qname = attrs.getQName(i);
String type = attrs.getType(i);
String value = attrs.getValue(i);
Substitutions substitutions = new Substitutions(parsingContext.getStringTemplateParser(), getLocation(), value);
if (substitutions.hasSubstitutions()) {
getAttributeEvents().add(
new SubstituteAttribute(uri, local, qname, type,
substitutions));
} else {
getAttributeEvents().add(
new CopyAttribute(uri, local, qname, type, value));
}
}
this.attributes = new AttributesImpl(attrs);
}
final String namespaceURI;
final String localName;
final String raw;
private final String qname;
private final List attributeEvents = new LinkedList();
final Attributes attributes;
EndElement endElement;
public EndElement getEndElement() {
return endElement;
}
public String getLocalName() {
return localName;
}
public String getNamespaceURI() {
return namespaceURI;
}
public String getRaw() {
return raw;
}
public String getQname() {
return qname;
}
public List getAttributeEvents() {
return attributeEvents;
}
public void setEndElement(EndElement endElement) {
this.endElement = endElement;
}
public Event execute(XMLConsumer consumer,
ObjectModel objectModel,
ExecutionContext executionContext, MacroContext macroContext,
NamespacesTable namespaces, Event startEvent, Event endEvent) throws SAXException {
Iterator i = getAttributeEvents().iterator();
AttributesImpl attrs = new AttributesImpl();
while (i.hasNext()) {
AttributeEvent attrEvent = (AttributeEvent) i.next();
if (attrEvent instanceof CopyAttribute) {
CopyAttribute copy = (CopyAttribute) attrEvent;
attrs.addAttribute(copy.getNamespaceURI(), copy.getLocalName(),
copy.getRaw(), copy.getType(), copy.getValue());
} else if (attrEvent instanceof SubstituteAttribute) {
SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent;
String attributeValue = substEvent.getSubstitutions().toString(
getLocation(), objectModel);
attrs.addAttribute(attrEvent.getNamespaceURI(), attrEvent
.getLocalName(), attrEvent.getRaw(), attrEvent
.getType(), attributeValue);
}
}
// Send any pending startPrefixMapping events
namespaces.enterScope(consumer);
consumer.startElement(getNamespaceURI(), getLocalName(), getRaw(),
attrs);
return getNext();
}
}