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/*
* 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.SitemapExecutor;
/**
*
* @version $Id$
*/
public class GenerateNode extends PipelineEventComponentProcessingNode implements ParameterizableProcessingNode {
private String generatorName;
private VariableResolver source;
private Map parameters;
public GenerateNode(String name, VariableResolver source) {
this.generatorName = name;
this.source = source;
}
public void setParameters(Map parameterMap) {
this.parameters = parameterMap;
}
/* (non-Javadoc)
* @see org.apache.cocoon.components.treeprocessor.ProcessingNode#invoke(org.apache.cocoon.environment.Environment, org.apache.cocoon.components.treeprocessor.InvokeContext)
*/
public final boolean invoke(Environment env, InvokeContext context)
throws Exception {
final Map objectModel = env.getObjectModel();
SitemapExecutor.PipelineComponentDescription desc = new SitemapExecutor.PipelineComponentDescription();
desc.type = this.generatorName;
desc.source = source.resolve(context, objectModel);
desc.parameters = VariableResolver.buildParameters(this.parameters, context, objectModel);
desc.hintParameters = this.pipelineHints == null
? Parameters.EMPTY_PARAMETERS
: VariableResolver.buildParameters(this.pipelineHints, context, objectModel);
desc = this.executor.addGenerator(this, objectModel, desc);
context.getProcessingPipeline().setGenerator(
desc.type,
desc.source,
desc.parameters,
desc.hintParameters
);
// 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;
}
}