/*
* Copyright 2005 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.cocoon.forms.binding;
import org.apache.cocoon.forms.binding.JXPathBindingManager.Assistant;
import org.apache.cocoon.forms.binding.library.Library;
import org.apache.cocoon.forms.binding.library.LibraryException;
import org.apache.cocoon.forms.util.DomHelper;
import org.w3c.dom.Element;
/**
* @version $Id: ExpandJXPathBindingBuilder.java 289538 2005-09-16 13:46:22Z sylvain $
*/
public class ExpandJXPathBindingBuilder extends JXPathBindingBuilderBase {
/* (non-Javadoc)
* @see org.apache.cocoon.forms.binding.JXPathBindingBuilderBase#buildBinding(org.w3c.dom.Element, org.apache.cocoon.forms.binding.JXPathBindingManager.Assistant)
*/
public JXPathBindingBase buildBinding(Element bindingElm,
Assistant assistant) throws BindingException {
Library lib = assistant.getContext().getLocalLibrary();
String id = DomHelper.getAttribute(bindingElm, "id", null);
if(id == null)
throw new BindingException("Attribute id is required! (at "+DomHelper.getLocation(bindingElm)+")");
try {
return (JXPathBindingBase)lib.getBinding(id);
} catch(LibraryException e) {
throw new BindingException("Could not expand binding from library! (at "+DomHelper.getLocation(bindingElm)+")",e);
}
}
}