| /* |
| * 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 org.apache.cocoon.sitemap.SitemapExecutor; |
| |
| import java.util.Map; |
| |
| /** |
| * |
| * @version $Id$ |
| */ |
| 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; |
| } |
| |
| /* (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(); |
| |
| final ProcessingPipeline pipeline = context.getProcessingPipeline(); |
| |
| SitemapExecutor.PipelineComponentDescription desc = new SitemapExecutor.PipelineComponentDescription(); |
| desc.type = this.readerName; |
| desc.source = source.resolve(context, objectModel); |
| desc.parameters = VariableResolver.buildParameters(this.parameters, context, objectModel); |
| desc.mimeType = this.mimeType.resolve(context, objectModel); |
| |
| desc = this.executor.addReader(this, objectModel, desc); |
| |
| pipeline.setReader( |
| desc.type, |
| desc.source, |
| desc.parameters, |
| desc.mimeType |
| ); |
| |
| // Set status code if there is one |
| if (this.statusCode >= 0) { |
| env.setStatus(this.statusCode); |
| } |
| |
| if (! context.isBuildingPipelineOnly()) { |
| // Process pipeline |
| return pipeline.process(env); |
| |
| } |
| // Return true : pipeline is finished. |
| return true; |
| } |
| } |