/*
* 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 java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.components.treeprocessor.InvokeContext;
import org.apache.cocoon.components.treeprocessor.ParameterizableProcessingNode;
import org.apache.cocoon.components.treeprocessor.PipelineEventComponentProcessingNode;
import org.apache.cocoon.components.treeprocessor.ProcessingNode;
import org.apache.cocoon.components.treeprocessor.variables.VariableResolver;
import org.apache.cocoon.environment.Environment;
import org.apache.cocoon.sitemap.PatternException;
/**
*
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @version CVS $Id: GenerateNode.java,v 1.4 2004/03/05 13:02:52 bdelacretaz Exp $
*/
public class GenerateNode extends PipelineEventComponentProcessingNode implements ParameterizableProcessingNode {
private String generatorName;
private VariableResolver source;
private Map parameters;
public GenerateNode(String name, VariableResolver source) throws PatternException {
this.generatorName = name;
this.source = source;
}
public void setParameters(Map parameterMap) {
this.parameters = parameterMap;
}
public final boolean invoke(Environment env, InvokeContext context)
throws Exception {
Map objectModel = env.getObjectModel();
context.getProcessingPipeline().setGenerator(
this.generatorName,
source.resolve(context, objectModel),
VariableResolver.buildParameters(this.parameters, context, objectModel),
this.pipelineHints == null
? Parameters.EMPTY_PARAMETERS
: VariableResolver.buildParameters(this.pipelineHints, context, objectModel)
);
// Check view
if (this.views != null) {
//inform the pipeline that we have a branch point
context.getProcessingPipeline().informBranchPoint();
String cocoonView = env.getView();
if (cocoonView != null) {
// Get view node
ProcessingNode viewNode = (ProcessingNode)this.views.get(cocoonView);
if (viewNode != null) {
if (getLogger().isInfoEnabled()) {
getLogger().info("Jumping to view " + cocoonView + " from generator at " + this.getLocation());
}
return viewNode.invoke(env, context);
}
}
}
// Return false to continue sitemap invocation
return false;
}
}