/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.config.assembly;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
/**
*
* @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
*/
class ElementNode extends Node {
private final ElementNode parent;
private final String name;
private final String namespace;
private final Map<String, AttributeValue> attributes = new LinkedHashMap<String, AttributeValue>();
private List<Node> children = new ArrayList<Node>();
ElementNode(final ElementNode parent, final String name, final String namespace) {
this.parent = parent;
this.name = name;
this.namespace = namespace == null ?
namespace : namespace.isEmpty() ?
null : namespace;
}
String getNamespace() {
return namespace;
}
String getName() {
return name;
}
void addAttribute(String name, AttributeValue value) {
attributes.put(name, value);
}
void addChild(Node child) {
children.add(child);
}
Iterator<Node> getChildren() {
return children.iterator();
}
ElementNode getParent() {
return parent;
}
Iterator<Node> iterateChildren(){
return children.iterator();
}
String getAttributeValue(String name) {
AttributeValue av = attributes.get(name);
if (av == null) {
return null;
}
return av.getValue();
}
String getAttributeValue(String name, String defaultValue) {
String s = getAttributeValue(name);
if (s == null) {
return defaultValue;
}
return s;
}
@Override
void marshall(XMLStreamWriter writer) throws XMLStreamException {
// boolean empty = false;//children.isEmpty()
boolean empty = isEmpty();
NamespaceContext context = writer.getNamespaceContext();
String prefix = writer.getNamespaceContext().getPrefix(namespace);
if (prefix == null) {
// Unknown namespace; it becomes default
writer.setDefaultNamespace(namespace);
if (empty) {
writer.writeEmptyElement(name);
}
else {
writer.writeStartElement(name);
}
writer.writeNamespace(null, namespace);
}
else {
if (empty) {
writer.writeEmptyElement(namespace, name);
}
else {
writer.writeStartElement(namespace, name);
}
}
for (Map.Entry<String, AttributeValue> attr : attributes.entrySet()) {
writer.writeAttribute(attr.getKey(), attr.getValue().getValue());
}
for (Node child : children) {
child.marshall(writer);
}
if (!empty) {
try {
writer.writeEndElement();
} catch(XMLStreamException e) {
//TODO REMOVE THIS
throw e;
}
}
}
private boolean isEmpty() {
if (children.isEmpty()) {
return true;
}
for (Node child : children) {
if (child.hasContent()) {
return false;
}
}
return true;
}
public String toString() {
return "Element(name=" + name + ",ns=" + namespace + ")";
}
}