/*
* 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.components.treeprocessor.sitemap;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.cocoon.components.treeprocessor.NamedContainerNodeBuilder;
import org.apache.cocoon.components.treeprocessor.NamedProcessingNode;
import org.apache.cocoon.components.treeprocessor.ProcessingNode;
/**
* Builds a <map:view>
*
* @version $Id: ViewNodeBuilder.java 587751 2007-10-24 02:41:36Z vgritsenko $
*/
public class ViewNodeBuilder extends NamedContainerNodeBuilder {
public ProcessingNode buildNode(Configuration config) throws Exception {
// Get the label or position (pseudo-label) of this view.
String label = config.getAttribute("from-label", null);
if (label == null) {
String position = config.getAttribute("from-position");
if ("first".equals(position)) {
label = SitemapLanguage.FIRST_POS_LABEL;
} else if ("last".equals(position)) {
label = SitemapLanguage.LAST_POS_LABEL;
} else {
String msg = "Bad value for 'from-position' at " + config.getLocation();
throw new ConfigurationException(msg);
}
}
SitemapLanguage sitemapBuilder = (SitemapLanguage)this.treeBuilder;
// Indicate to child builders that we're in a view (they won't perform view branching)
sitemapBuilder.setBuildingView(true);
// Build children
NamedProcessingNode result = (NamedProcessingNode)super.buildNode(config);
sitemapBuilder.addViewForLabel(label, result.getName());
// Clear the flag
sitemapBuilder.setBuildingView(false);
return result;
}
}