/*
* 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.cocoon.components.pipeline.ProcessingPipeline;
import org.apache.cocoon.components.treeprocessor.AbstractProcessingNode;
import org.apache.cocoon.components.treeprocessor.InvokeContext;
import org.apache.cocoon.components.treeprocessor.ParameterizableProcessingNode;
import org.apache.cocoon.components.treeprocessor.variables.VariableResolver;
import org.apache.cocoon.environment.Environment;
import java.util.Map;
/**
*
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @version CVS $Id: ReadNode.java,v 1.3 2004/03/05 13:02:52 bdelacretaz Exp $
*/
public class ReadNode extends AbstractProcessingNode implements ParameterizableProcessingNode {
private String readerName;
private VariableResolver source;
private VariableResolver mimeType;
private int statusCode;
private Map parameters;
/**
* Build a <code>SerializerNode</code> having a name, a mime-type and a status code (HTTP codes).
*
* @param name the name of the serializer to use.
* @param mimeType the mime-type, or <code>null</code> not specified.
* @param statusCode the HTTP response status code, or <code>-1</code> if not specified.
*/
public ReadNode(String name, VariableResolver source, VariableResolver mimeType, int statusCode) {
this.readerName = name;
this.source = source;
this.mimeType = mimeType;
this.statusCode = statusCode;
}
public void setParameters(Map parameterMap) {
this.parameters = parameterMap;
}
public final boolean invoke(Environment env, InvokeContext context)
throws Exception {
Map objectModel = env.getObjectModel();
ProcessingPipeline pipeline = context.getProcessingPipeline();
pipeline.setReader(
this.readerName,
source.resolve(context, objectModel),
VariableResolver.buildParameters(this.parameters, context, objectModel),
this.mimeType.resolve(context, objectModel)
);
// Set status code if there is one
if (this.statusCode >= 0) {
env.setStatus(this.statusCode);
}
if (! context.isBuildingPipelineOnly()) {
// Process pipeline
return pipeline.process(env);
} else {
// Return true : pipeline is finished.
return true;
}
}
}