/*
* 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.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 517733 2007-03-13 15:37:22Z vgritsenko $
*/
public class ExpandJXPathBindingBuilder extends JXPathBindingBuilderBase {
/**
* @see JXPathBindingBuilderBase#buildBinding(Element, 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",
DomHelper.getLocationObject(bindingElm));
}
try {
return (JXPathBindingBase) lib.getBinding(id);
} catch (LibraryException e) {
throw new BindingException("Could not expand binding from library", e,
DomHelper.getLocationObject(bindingElm));
}
}
}