| /* |
| * 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 java.util.Map; |
| |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.cocoon.Constants; |
| 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; |
| |
| /** |
| * @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a> |
| * @author <a href="mailto:uv@upaya.co.uk">Upayavira</a> |
| * @version CVS $Id$ |
| */ |
| public class SerializeNode extends PipelineEventComponentProcessingNode |
| implements ParameterizableProcessingNode { |
| |
| private static final int DEFAULT_STATUS_CODE = 200; |
| |
| private String serializerName; |
| |
| private VariableResolver source; |
| |
| private VariableResolver mimeType; |
| |
| private VariableResolver 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 SerializeNode(String name, |
| VariableResolver source, |
| VariableResolver mimeType, |
| VariableResolver statusCode) { |
| this.serializerName = 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 { |
| |
| // 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 serializer at " + this.getLocation()); |
| } |
| return viewNode.invoke(env, context); |
| } |
| } |
| } |
| |
| final Map objectModel = env.getObjectModel(); |
| final ProcessingPipeline pipeline = context.getProcessingPipeline(); |
| |
| // Perform link translation if requested |
| if (objectModel.containsKey(Constants.LINK_OBJECT)) { |
| pipeline.addTransformer("<translator>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS); |
| } |
| |
| if (objectModel.containsKey(Constants.LINK_COLLECTION_OBJECT) && env.isExternal()) { |
| pipeline.addTransformer("<gatherer>", null, Parameters.EMPTY_PARAMETERS, Parameters.EMPTY_PARAMETERS); |
| } |
| |
| String type = this.serializerName; |
| String source = this.source.resolve(context, objectModel); |
| Parameters parameters = VariableResolver.buildParameters(this.parameters, context, objectModel); |
| Parameters hintParameters = this.pipelineHints == null |
| ? Parameters.EMPTY_PARAMETERS |
| : VariableResolver.buildParameters(this.pipelineHints, context, objectModel); |
| String mimeType = this.mimeType.resolve(context, objectModel); |
| |
| pipeline.setSerializer(type, |
| source, |
| parameters, |
| hintParameters, |
| mimeType); |
| |
| // Set status code *only* if there is one - do not override status |
| // code if it was set elsewhere. |
| String statusCodeString = this.statusCode.resolve(context, objectModel); |
| if (statusCodeString != null) { |
| int statusCodeInt = DEFAULT_STATUS_CODE; |
| try { |
| statusCodeInt = Integer.parseInt(statusCodeString); |
| } catch (NumberFormatException e) { |
| getLogger().warn("Status code value '" + statusCodeString + "' is not an integer. " + |
| "Using " + DEFAULT_STATUS_CODE + " instead.", e); |
| } |
| if (statusCodeInt >= 0) { |
| env.setStatus(statusCodeInt); |
| } |
| } |
| |
| if (!context.isBuildingPipelineOnly()) { |
| // Process pipeline |
| return pipeline.process(env); |
| } |
| // Return true : pipeline is finished. |
| return true; |
| } |
| } |