/*
* 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.formmodel.algorithms;
import org.apache.cocoon.forms.formmodel.CalculatedFieldAlgorithm;
import org.apache.cocoon.forms.util.DomHelper;
import org.w3c.dom.Element;
/**
* Builder for user custom {@link org.apache.cocoon.forms.formmodel.CalculatedFieldAlgorithm}s.
* If the specified class is a {@link org.apache.cocoon.forms.formmodel.algorithms.AbstractBaseAlgorithm}
* subclass, the build process will be delegated to
* {@link org.apache.cocoon.forms.formmodel.algorithms.AbstractBaseAlgorithmBuilder}.
*
* @version $Id$
*/
public class JavaAlgorithmBuilder extends AbstractBaseAlgorithmBuilder {
public CalculatedFieldAlgorithm build(Element algorithmElement) throws Exception {
String clazzname = DomHelper.getAttribute(algorithmElement, "class");
Class clazz = Class.forName(clazzname);
if (AbstractBaseAlgorithm.class.isAssignableFrom(clazz)) {
AbstractBaseAlgorithm algorithm = (AbstractBaseAlgorithm) clazz.newInstance();
super.setup(algorithmElement, algorithm);
return algorithm;
} else {
CalculatedFieldAlgorithm algorithm = (CalculatedFieldAlgorithm) clazz.newInstance();
super.setupComponent(algorithm);
return algorithm;
}
}
}