/*
* 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.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;
/**
*
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @version CVS $Id: RedirectToNodeBuilder.java 433543 2006-08-22 06:22:54Z crossley $
*/
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;
} else {
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,
this.resourceName
);
}
}
}