/*
* Copyright 2001-2004 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.
*/
package org.apache.axis.deployment.wsdd;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.utils.Messages;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.namespace.QName;
import java.io.IOException;
import java.io.Serializable;
import java.util.Vector;
/**
* abstract class extended by all WSDD Element classes
*/
public abstract class WSDDElement
extends WSDDConstants
implements Serializable
{
private String name;
/**
* Default constructor
*/
public WSDDElement()
{
}
/**
* Create an element in WSDD that wraps an extant DOM element
* @param e (Element) XXX
* @throws WSDDException XXX
*/
public WSDDElement(Element e)
throws WSDDException
{
validateCandidateElement(e);
}
/**
* Return the element name of a particular subclass.
*/
protected abstract QName getElementName();
/**
* Make sure everything looks kosher with the element name.
*/
private void validateCandidateElement(Element e)
throws WSDDException
{
QName name = getElementName();
if ((null == e) || (null == e.getNamespaceURI())
|| (null == e.getLocalName())
||!e.getNamespaceURI().equals(name.getNamespaceURI())
||!e.getLocalName().equals(name.getLocalPart())) {
throw new WSDDException(Messages.getMessage("invalidWSDD00",
e.getLocalName(),
name.getLocalPart()));
}
}
public Element getChildElement(Element e, String name)
{
Element [] elements = getChildElements(e, name);
if (elements.length == 0)
return null;
return elements[0];
}
public Element [] getChildElements(Element e, String name)
{
NodeList nl = e.getChildNodes();
Vector els = new Vector();
for (int i = 0; i < nl.getLength(); i++) {
Node thisNode = nl.item(i);
if (!(thisNode instanceof Element))
continue;
Element el = (Element)thisNode;
if (el.getLocalName().equals(name)) {
els.add(el);
}
}
Element [] elements = new Element [els.size()];
els.toArray(elements);
return elements;
}
/**
* Write this element out to a SerializationContext
*/
public abstract void writeToContext(SerializationContext context)
throws IOException;
}
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