/*
* 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.parameters.Parameters;
import org.apache.cocoon.components.pipeline.ProcessingPipeline;
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;
import java.util.Map;
/**
* @version $Id: TransformNode.java 587751 2007-10-24 02:41:36Z vgritsenko $
*/
public class TransformNode extends PipelineEventComponentProcessingNode
implements ParameterizableProcessingNode {
private String transformerName;
private VariableResolver source;
private Map parameters;
public TransformNode(String name, VariableResolver source) {
this.transformerName = name;
this.source = source;
}
public void setParameters(Map parameterMap) {
this.parameters = parameterMap;
}
/* (non-Javadoc)
* @see org.apache.cocoon.components.treeprocessor.ProcessingNode#invoke(Environment, InvokeContext)
*/
public final boolean invoke(Environment env, InvokeContext context)
throws Exception {
final Map objectModel = env.getObjectModel();
final ProcessingPipeline pipeline = context.getProcessingPipeline();
SitemapExecutor.PipelineComponentDescription desc = new SitemapExecutor.PipelineComponentDescription();
desc.type = this.transformerName;
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);
// inform executor
desc = this.executor.addTransformer(this, objectModel, desc);
pipeline.addTransformer(desc.type,
desc.source,
desc.parameters,
desc.hintParameters);
// Check view
if (this.views != null) {
//inform the pipeline that we have a branch point
pipeline.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 transformer at " + this.getLocation());
}
return viewNode.invoke(env, context);
}
}
}
// Return false to contine sitemap invocation
return false;
}
}