| /* |
| * 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.cocoon.components.treeprocessor.AbstractProcessingNodeBuilder; |
| import org.apache.cocoon.components.treeprocessor.CategoryNode; |
| import org.apache.cocoon.components.treeprocessor.CategoryNodeBuilder; |
| import org.apache.cocoon.components.treeprocessor.LinkedProcessingNodeBuilder; |
| import org.apache.cocoon.components.treeprocessor.ProcessingNode; |
| import org.apache.cocoon.components.treeprocessor.variables.VariableResolverFactory; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * |
| * @version $Id$ |
| */ |
| public class RedirectToNodeBuilder extends AbstractProcessingNodeBuilder |
| implements LinkedProcessingNodeBuilder { |
| |
| private CallNode callNode; |
| private String resourceName; |
| |
| /** This builder has no parameters -- return <code>false</code> */ |
| protected boolean hasParameters() { |
| return false; |
| } |
| |
| public ProcessingNode buildNode(Configuration config) throws Exception { |
| |
| if (((SitemapLanguage)this.treeBuilder).isBuildingErrorHandler()) { |
| throw new ConfigurationException("'map:redirect' is forbidden inside a 'map:handle-errors', at " |
| + config.getLocation()); |
| } |
| |
| // Is it a redirect to resource ? |
| this.resourceName = config.getAttribute("resource", null); |
| if (this.resourceName != null) { |
| |
| getLogger().warn("Redirect to resource is deprecated. Use map:call instead at " + |
| config.getLocation()); |
| |
| this.callNode = new CallNode(); |
| this.treeBuilder.setupNode(this.callNode, config); |
| |
| String target = config.getAttribute("target", null); |
| if (target != null) { |
| Map params = new HashMap(1); |
| params.put("target", VariableResolverFactory.getResolver(target, this.manager)); |
| this.callNode.setParameters(params); |
| } |
| return this.callNode; |
| |
| } |
| ProcessingNode URINode = new RedirectToURINode( |
| VariableResolverFactory.getResolver(config.getAttribute("uri"), this.manager), |
| config.getAttributeAsBoolean("session", false), |
| config.getAttributeAsBoolean("global", false), |
| config.getAttributeAsBoolean("permanent", false) |
| ); |
| return this.treeBuilder.setupNode(URINode, config); |
| } |
| |
| public void linkNode() throws Exception { |
| |
| if (this.callNode != null) { |
| CategoryNode resources = CategoryNodeBuilder.getCategoryNode(this.treeBuilder, "resources"); |
| |
| if (resources == null) { |
| String msg = "This sitemap contains no resources. Cannot redirect at " + |
| this.callNode.getLocation(); |
| throw new ConfigurationException(msg); |
| } |
| |
| this.callNode.setResource( |
| resources, |
| VariableResolverFactory.getResolver(this.resourceName, this.manager) |
| ); |
| } |
| } |
| } |