Package org.jboss.as.messaging.jms.bridge

Source Code of org.jboss.as.messaging.jms.bridge.JMSBridgeAdd

/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., 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.as.messaging.jms.bridge;

import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.server.Services.addServerExecutorDependency;

import java.util.List;
import java.util.Properties;

import org.hornetq.jms.bridge.ConnectionFactoryFactory;
import org.hornetq.jms.bridge.DestinationFactory;
import org.hornetq.jms.bridge.JMSBridge;
import org.hornetq.jms.bridge.QualityOfServiceMode;
import org.hornetq.jms.bridge.impl.JMSBridgeImpl;
import org.hornetq.jms.bridge.impl.JNDIConnectionFactoryFactory;
import org.hornetq.jms.bridge.impl.JNDIDestinationFactory;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.messaging.CommonAttributes;
import org.jboss.as.messaging.MessagingServices;
import org.jboss.as.naming.deployment.ContextNames;
import org.jboss.as.txn.service.TxnServices;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.wildfly.security.manager.WildFlySecurityManager;

/**
* JMS Bridge add update.
*
* @author Jeff Mesnil (c) 2012 Red Hat Inc.
*/
public class JMSBridgeAdd extends AbstractAddStepHandler {
    public static final JMSBridgeAdd INSTANCE = new JMSBridgeAdd();

    private JMSBridgeAdd() {
    }

    @Override
    protected void populateModel(final ModelNode operation, final ModelNode model) throws OperationFailedException {
        for (final AttributeDefinition attributeDefinition : JMSBridgeDefinition.JMS_BRIDGE_ATTRIBUTES) {
            attributeDefinition.validateAndSet(operation, model);
        }
        for (final AttributeDefinition attributeDefinition : JMSBridgeDefinition.JMS_TARGET_ATTRIBUTES) {
            attributeDefinition.validateAndSet(operation, model);
        }
        for (final AttributeDefinition attributeDefinition : JMSBridgeDefinition.JMS_SOURCE_ATTRIBUTES) {
            attributeDefinition.validateAndSet(operation, model);
        }
    }

    @Override
    protected void performRuntime(final OperationContext context, final ModelNode operation, final ModelNode model,
            final ServiceVerificationHandler verificationHandler, final List<ServiceController<?>> newControllers)
                    throws OperationFailedException {
        context.addStep(new OperationStepHandler() {

            @Override
            public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
                final PathAddress address = PathAddress.pathAddress(operation.get(OP_ADDR));

                String moduleName = resolveAttribute(JMSBridgeDefinition.MODULE, context, model);
                final JMSBridge bridge = createJMSBridge(context, model);

                final String bridgeName = address.getLastElement().getValue();
                final JMSBridgeService bridgeService = new JMSBridgeService(moduleName, bridgeName, bridge);
                final ServiceName bridgeServiceName = MessagingServices.getJMSBridgeServiceName(bridgeName);

                final ServiceBuilder<JMSBridge> jmsBridgeServiceBuilder = context.getServiceTarget().addService(bridgeServiceName, bridgeService)
                        .addListener(verificationHandler)
                        .addDependency(TxnServices.JBOSS_TXN_TRANSACTION_MANAGER)
                        .setInitialMode(Mode.ACTIVE);
                addServerExecutorDependency(jmsBridgeServiceBuilder, bridgeService.getExecutorInjector(), false);
                if (dependsOnLocalResources(model, JMSBridgeDefinition.SOURCE_CONTEXT)) {
                    addDependencyForJNDIResource(jmsBridgeServiceBuilder, model, context, JMSBridgeDefinition.SOURCE_CONNECTION_FACTORY);
                    addDependencyForJNDIResource(jmsBridgeServiceBuilder, model, context, JMSBridgeDefinition.SOURCE_DESTINATION);
                }
                if (dependsOnLocalResources(model, JMSBridgeDefinition.TARGET_CONTEXT)) {
                    addDependencyForJNDIResource(jmsBridgeServiceBuilder, model, context, JMSBridgeDefinition.TARGET_CONNECTION_FACTORY);
                    addDependencyForJNDIResource(jmsBridgeServiceBuilder, model, context, JMSBridgeDefinition.TARGET_DESTINATION);
                }

                newControllers.add(jmsBridgeServiceBuilder.install());

                context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
            }

        }, OperationContext.Stage.RUNTIME);
    }

    private boolean dependsOnLocalResources(ModelNode model, AttributeDefinition attr) throws OperationFailedException {
        // if either the source or target context attribute is not defined, this means that the JMS resources will be looked up
        // from the local HornetQ server.
        return !(model.hasDefined(attr.getName()));
    }

    private void addDependencyForJNDIResource(final ServiceBuilder<JMSBridge> builder, final ModelNode model, final OperationContext context,
            final AttributeDefinition attribute) throws OperationFailedException {
        String jndiName = attribute.resolveModelAttribute(context, model).asString();
        builder.addDependency(ContextNames.bindInfoFor(jndiName).getBinderServiceName());
    }

    private JMSBridge createJMSBridge(OperationContext context, ModelNode model) throws OperationFailedException {
        final Properties sourceContextProperties = resolveContextProperties(JMSBridgeDefinition.SOURCE_CONTEXT, context, model);
        final String sourceConnectionFactoryName = JMSBridgeDefinition.SOURCE_CONNECTION_FACTORY.resolveModelAttribute(context, model).asString();
        final ConnectionFactoryFactory sourceCff = new JNDIConnectionFactoryFactory(sourceContextProperties , sourceConnectionFactoryName);
        final String sourceDestinationName = JMSBridgeDefinition.SOURCE_DESTINATION.resolveModelAttribute(context, model).asString();
        final DestinationFactory sourceDestinationFactory = new JNDIDestinationFactory(sourceContextProperties, sourceDestinationName);

        final Properties targetContextProperties = resolveContextProperties(JMSBridgeDefinition.TARGET_CONTEXT, context, model);
        final String targetConnectionFactoryName = JMSBridgeDefinition.TARGET_CONNECTION_FACTORY.resolveModelAttribute(context, model).asString();
        final ConnectionFactoryFactory targetCff = new JNDIConnectionFactoryFactory(targetContextProperties, targetConnectionFactoryName);
        final String targetDestinationName = JMSBridgeDefinition.TARGET_DESTINATION.resolveModelAttribute(context, model).asString();
        final DestinationFactory targetDestinationFactory = new JNDIDestinationFactory(targetContextProperties, targetDestinationName);

        final String sourceUsername = resolveAttribute(JMSBridgeDefinition.SOURCE_USER, context, model);
        final String sourcePassword = resolveAttribute(JMSBridgeDefinition.SOURCE_PASSWORD, context, model);
        final String targetUsername = resolveAttribute(JMSBridgeDefinition.TARGET_USER, context, model);
        final String targetPassword = resolveAttribute(JMSBridgeDefinition.TARGET_PASSWORD, context, model);

        final String selector = resolveAttribute(CommonAttributes.SELECTOR, context, model);
        final long failureRetryInterval = JMSBridgeDefinition.FAILURE_RETRY_INTERVAL.resolveModelAttribute(context, model).asLong();
        final int maxRetries = JMSBridgeDefinition.MAX_RETRIES.resolveModelAttribute(context, model).asInt();
        final QualityOfServiceMode qosMode = QualityOfServiceMode.valueOf( JMSBridgeDefinition.QUALITY_OF_SERVICE.resolveModelAttribute(context, model).asString());
        final int maxBatchSize = JMSBridgeDefinition.MAX_BATCH_SIZE.resolveModelAttribute(context, model).asInt();
        final long maxBatchTime = JMSBridgeDefinition.MAX_BATCH_TIME.resolveModelAttribute(context, model).asLong();
        final String subName =  resolveAttribute(JMSBridgeDefinition.SUBSCRIPTION_NAME, context, model);
        final String clientID = resolveAttribute(JMSBridgeDefinition.CLIENT_ID, context, model);
        final boolean addMessageIDInHeader = JMSBridgeDefinition.ADD_MESSAGE_ID_IN_HEADER.resolveModelAttribute(context, model).asBoolean();

        final String moduleName = resolveAttribute(JMSBridgeDefinition.MODULE, context, model);

        final ClassLoader oldTccl= WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
        try {
            // if a module is specified, use it to instantiate the JMSBridge to ensure its ExecutorService
            // will use the correct class loader to execute its threads
            if (moduleName != null) {
                ModuleIdentifier moduleID = ModuleIdentifier.create(moduleName);
                Module module = Module.getCallerModuleLoader().loadModule(moduleID);
                WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(module.getClassLoader());
            }
            return new JMSBridgeImpl(sourceCff,
                    targetCff,
                    sourceDestinationFactory,
                    targetDestinationFactory,
                    sourceUsername,
                    sourcePassword,
                    targetUsername,
                    targetPassword,
                    selector,
                    failureRetryInterval,
                    maxRetries,
                    qosMode,
                    maxBatchSize,
                    maxBatchTime,
                    subName,
                    clientID,
                    addMessageIDInHeader);
        } catch (ModuleLoadException e) {
            throw new OperationFailedException(e);
        } finally {
            WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldTccl);
        }
    }

    private Properties resolveContextProperties(AttributeDefinition attribute, OperationContext context, ModelNode model) throws OperationFailedException {
        final ModelNode contextModel = attribute.resolveModelAttribute(context, model);
        if (!contextModel.isDefined()) {
            return null;
        }

        final Properties contextProperties = new Properties();
        for (Property property : contextModel.asPropertyList()) {
            contextProperties.put(property.getName(), property.getValue().asString());
        }
        return contextProperties;
    }

    /**
     * Return null if the resolved attribute is not defined
     */
    private String resolveAttribute(SimpleAttributeDefinition attr, OperationContext context, ModelNode model) throws OperationFailedException {
        final ModelNode node = attr.resolveModelAttribute(context, model);
        return node.isDefined() ? node.asString() : null;
    }
}
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