RELEASE_2_1_13/src/blocks/woody/java/org/apache/cocoon/woody/formmodel/UnionDefinitionBuilder.java

/*
 * 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.woody.formmodel;

import org.apache.cocoon.woody.Constants;
import org.apache.cocoon.woody.util.DomHelper;
import org.w3c.dom.Element;

/**
 * Builds {UnionDefinition}s.
 *
 * @author Timothy Larson
 * @version $Id$
 */
public class UnionDefinitionBuilder extends AbstractWidgetDefinitionBuilder {

    public WidgetDefinition buildWidgetDefinition(Element element) throws Exception {
        UnionDefinition definition = new UnionDefinition();
        setLocation(element, definition);
        setId(element, definition);
        definition.setCaseWidgetId(DomHelper.getAttribute(element, "case", ""));
        setDisplayData(element, definition);
        setValidators(element, definition);

        Element widgetsElement = DomHelper.getChildElement(element, Constants.WD_NS, "widgets", true);
        // All child elements of the widgets element are widgets
        Element[] widgetElements = DomHelper.getChildElements(widgetsElement, Constants.WD_NS);
        for (int i = 0; i < widgetElements.length; i++) {
            Element widgetElement = widgetElements[i];
            WidgetDefinition widgetDefinition = buildAnotherWidgetDefinition(widgetElement);
            definition.addWidgetDefinition(widgetDefinition);
        }

        return definition;
    }
    // TODO: Need to add code somewhere to build a selection list for the case widget.
}