| /* |
| * Copyright 1999-2004 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.components.treeprocessor.sitemap; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.thread.ThreadSafe; |
| 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> |
| * |
| * @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a> |
| * @version CVS $Id: ViewNodeBuilder.java,v 1.2 2004/03/05 13:02:52 bdelacretaz Exp $ |
| */ |
| |
| public class ViewNodeBuilder extends NamedContainerNodeBuilder implements ThreadSafe { |
| |
| 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; |
| } |
| } |