| /* |
| * 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.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 $Id$ |
| */ |
| 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(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.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; |
| } |
| } |