[jboss-cvs] JBossAS SVN: r79791 - projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Tue Oct 21 02:39:38 EDT 2008
Author: ALRubinger
Date: 2008-10-21 02:39:38 -0400 (Tue, 21 Oct 2008)
New Revision: 79791
Added:
projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/Ejb3MetadataProcessingDeployer.java
Modified:
projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/EjbMetadataJndiPolicyDecoratorDeployer.java
Log:
[JBMETA-132] Create a Deployer to invoke a ProcessorChain upon merged EJB3 metadata
Added: projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/Ejb3MetadataProcessingDeployer.java
===================================================================
--- projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/Ejb3MetadataProcessingDeployer.java (rev 0)
+++ projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/Ejb3MetadataProcessingDeployer.java 2008-10-21 06:39:38 UTC (rev 79791)
@@ -0,0 +1,206 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.ejb3.deployers;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.jboss.deployers.spi.DeploymentException;
+import org.jboss.deployers.spi.deployer.DeploymentStages;
+import org.jboss.deployers.spi.deployer.helpers.AbstractDeployer;
+import org.jboss.deployers.structure.spi.DeploymentUnit;
+import org.jboss.logging.Logger;
+import org.jboss.metadata.ejb.jboss.JBossMetaData;
+import org.jboss.metadata.process.chain.ProcessorChain;
+import org.jboss.metadata.process.chain.ejb.jboss.JBossMetaDataProcessorChain;
+import org.jboss.metadata.process.processor.JBossMetaDataProcessor;
+import org.jboss.metadata.process.processor.ejb.jboss.JBossMetaDataValidatorChainProcessor;
+import org.jboss.metadata.process.processor.ejb.jboss.SetDefaultLocalBusinessInterfaceProcessor;
+
+/**
+ * Ejb3MetadataProcessingDeployer
+ *
+ * Runs post-merge processing on EJB3 Metadata
+ * to apply rules, perform validation, etc
+ *
+ * JBMETA-132
+ *
+ * @author <a href="mailto:andrew.rubinger at jboss.org">ALR</a>
+ * @version $Revision: $
+ */
+public class Ejb3MetadataProcessingDeployer extends AbstractDeployer
+{
+
+ // ------------------------------------------------------------------------------||
+ // Class Members ----------------------------------------------------------------||
+ // ------------------------------------------------------------------------------||
+
+ private static final Logger log = Logger.getLogger(Ejb3MetadataProcessingDeployer.class);
+
+ //TODO
+ /*
+ * This is reflected in the public static field:
+ * public static final String EJB_MERGED_ATTACHMENT_NAME = "merged."+JBossMetaData.class.getName();
+ * ...of the MergedJBossMetaDataDeployer, which is not currently visible from here
+ */
+ /**
+ * Deployer Input, set to merged metadata
+ */
+ private static final String INPUT = "merged.org.jboss.metadata.ejb.jboss.JBossMetaData";
+
+ /**
+ * Deployer Output, the Processed metadata
+ */
+ public static final String OUTPUT = "processedMetadata." + Ejb3MetadataProcessingDeployer.class.getSimpleName();
+
+ // ------------------------------------------------------------------------------||
+ // Constructor ------------------------------------------------------------------||
+ // ------------------------------------------------------------------------------||
+
+ /**
+ * Constructor; sets deployment stage and requisite input/output chain
+ */
+ public Ejb3MetadataProcessingDeployer()
+ {
+ // Set the Stage to post-CL
+ this.setStage(DeploymentStages.POST_CLASSLOADER);
+
+ // Input is the JBossMetaData post-merge
+ this.addInput(INPUT);
+
+ // Output is a flag upon which other deployers may rely
+ this.addOutput(OUTPUT);
+ }
+
+ // ------------------------------------------------------------------------------||
+ // Required Implementations -----------------------------------------------------||
+ // ------------------------------------------------------------------------------||
+
+ /**
+ * For DeploymentUnits with a merged metadata attachment representing
+ * EJB3 beans, will run a standard ProcessorChain and output the
+ * processed result
+ *
+ * @see org.jboss.deployers.spi.deployer.Deployer#deploy(org.jboss.deployers.structure.spi.DeploymentUnit)
+ */
+ public void deploy(DeploymentUnit du) throws DeploymentException
+ {
+ // Obtain the Merged Metadata
+ JBossMetaData md = du.getAttachment(INPUT, JBossMetaData.class);
+
+ // If metadata's not present as an attachment, return
+ if (md == null)
+ {
+ return;
+ }
+
+ // If this is not an EJB3 Deployment, return
+ if (!md.isEJB3x())
+ {
+ return;
+ }
+
+ // Get a Processor Chain
+ ProcessorChain<JBossMetaData> chain = this.getProcessorChain(du);
+
+ // Create new processed metadata
+ JBossMetaData processedMetadata = chain.process(md);
+
+ // Set the processed metadata as the output
+ du.addAttachment(OUTPUT, processedMetadata, JBossMetaData.class);
+ }
+
+ // ------------------------------------------------------------------------------||
+ // Internal Helper Methods ------------------------------------------------------||
+ // ------------------------------------------------------------------------------||
+
+ /**
+ * Obtains the ProcessorChain to be run on the merged metadata
+ *
+ * @param du
+ */
+ protected ProcessorChain<JBossMetaData> getProcessorChain(DeploymentUnit du)
+ {
+ // Initialize
+ ProcessorChain<JBossMetaData> chain = new JBossMetaDataProcessorChain<JBossMetaData>();
+ StringBuffer logMessage = new StringBuffer("Creating ");
+ logMessage.append(ProcessorChain.class.getSimpleName());
+ logMessage.append(" with the following Processors:");
+
+ // Obtain processors to put in the chain
+ Collection<JBossMetaDataProcessor<JBossMetaData>> processors = this.getProcessors(du);
+
+ // For each of the processors
+ if (processors != null)
+ {
+ for (JBossMetaDataProcessor<JBossMetaData> processor : processors)
+ {
+ // Add to the chain
+ chain.addProcessor(processor);
+ logMessage.append(" ");
+ logMessage.append(processor);
+ }
+ }
+
+ // Log
+ log.debug(logMessage.toString());
+
+ // Return
+ return chain;
+
+ }
+
+ /**
+ * Obtains the processors to use in the ProcessorChain to be run
+ * on the merged metadata attachment of the DeploymentUnit
+ *
+ * @param du
+ * @return
+ */
+ @SuppressWarnings("unchecked")
+ protected Collection<JBossMetaDataProcessor<JBossMetaData>> getProcessors(DeploymentUnit du)
+ {
+ // Initialize
+ Collection<JBossMetaDataProcessor<JBossMetaData>> processors = new ArrayList<JBossMetaDataProcessor<JBossMetaData>>();
+
+ /*
+ * Add processors
+ *
+ * Maintainer's note: The order here is preserved
+ */
+
+ // JBMETA-122 Implicit Local Business Interface
+ ClassLoader deploymentCl = du.getClassLoader();
+ processors.add(new SetDefaultLocalBusinessInterfaceProcessor<JBossMetaData>(deploymentCl));
+
+ // JBMETA-118 Validation
+ processors.add(JBossMetaDataValidatorChainProcessor.INSTANCE);
+
+ /*
+ * End Processor Adding
+ */
+
+ // Return
+ return processors;
+ }
+
+}
Modified: projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/EjbMetadataJndiPolicyDecoratorDeployer.java
===================================================================
--- projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/EjbMetadataJndiPolicyDecoratorDeployer.java 2008-10-21 06:22:48 UTC (rev 79790)
+++ projects/ejb3/trunk/deployers/src/main/java/org/jboss/ejb3/deployers/EjbMetadataJndiPolicyDecoratorDeployer.java 2008-10-21 06:39:38 UTC (rev 79791)
@@ -58,16 +58,10 @@
private static final Logger log = Logger.getLogger(EjbMetadataJndiPolicyDecoratorDeployer.class);
- //TODO
- /*
- * This is reflected in the public static field:
- * public static final String EJB_MERGED_ATTACHMENT_NAME = "merged."+JBossMetaData.class.getName();
- * ...of the MergedJBossMetaDataDeployer, which is not currently visible from here
- */
/**
- * Deployer Input, set to merged metadata
+ * Deployer Input, set to processed metadata
*/
- private static final String INPUT = "merged.org.jboss.ejb.deployers.MergedJBossMetaDataDeployer";
+ private static final String INPUT = Ejb3MetadataProcessingDeployer.OUTPUT;
/**
* Deployer Output flag signaling that this deployer has been run
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