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Add the example subsystem to git
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@kabir
kabir committed Sep 14, 2011
1 parent f808812 commit 017f15d
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173 changes: 173 additions & 0 deletions jboss-as-subsystem-example/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
~ JBoss, Home of Professional Open Source.
~ Copyright 2010, 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.
--><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<!-- parent>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-parent</artifactId>
</parent -->

<groupId>com.acme.corp</groupId>
<artifactId>acme-subsystem</artifactId>
<version>1.0-SNAPSHOT</version>

<name>JBoss Application Server: Subsystem Artifact</name>

<packaging>jar</packaging>

<properties>
<version.jboss.as>7.0.1.Final</version.jboss.as>
<version.junit>4.8.2</version.junit>
<module.name>com.acme.corp.tracker</module.name>
</properties>


<build>
<!-- Maven will append the version to the finalName (which is the name
given to the generated war, and hence the context root) -->
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.8.1</version>
<configuration>
<redirectTestOutputToFile>true</redirectTestOutputToFile>
<enableAssertions>true</enableAssertions>
<argLine>-Xmx512m</argLine>
<systemProperties>
<property>
<name>jboss.home</name>
<value>${jboss.home}</value>
</property>
</systemProperties>
<includes>
<include>**/*TestCase.java</include>
</includes>
<forkMode>once</forkMode>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2.1</version>
<configuration>
<filters>
<filter>src/assemble/filter.properties</filter>
</filters>
<descriptors>
<descriptor>src/assemble/distribution.xml</descriptor>
</descriptors>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<inherited>false</inherited>
<version>1.6</version>
<executions>
<execution>
<id>build-dist</id>
<goals>
<goal>run</goal>
</goals>
<phase>package</phase>
<configuration>
<target>
<!-- Replace the '.' in ${module.name} with '/' to get its path -->
<tempfile property="temp.file" />
<echo message="${module.name}" file="${temp.file}" />
<replace file="${temp.file}" token="." value="/" />
<loadfile srcfile="${temp.file}" property="module.path" />
<delete file="${temp.file}" />

<delete dir="target/module" />
<property name="module.dir" value="target/module/${module.path}/main" />

<copy file="src/main/resources/module/main/module.xml" tofile="${module.dir}/module.xml" />
<copy file="target/${project.artifactId}.jar" todir="${module.dir}" />

<echo>Module ${module.name} has been created in the target/module directory. Copy to your JBoss AS 7 installation.</echo>
</target>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>

<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-controller</artifactId>
<version>${version.jboss.as}</version>
</dependency>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-server</artifactId>
<version>${version.jboss.as}</version>
</dependency>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-subsystem-test</artifactId>
<version>${version.jboss.as}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
<version>${version.junit}</version>
</dependency>
</dependencies>
</dependencyManagement>

<dependencies>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-controller</artifactId>
</dependency>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-server</artifactId>
</dependency>
<dependency>
<groupId>org.jboss.as</groupId>
<artifactId>jboss-as-subsystem-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>
75 changes: 75 additions & 0 deletions ...-example/src/main/java/com/acme/corp/tracker/deployment/SubsystemDeploymentProcessor.java
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package com.acme.corp.tracker.deployment;

import org.jboss.as.server.AbstractDeploymentChainStep;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.Phase;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.logging.Logger;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.vfs.VirtualFile;

import com.acme.corp.tracker.extension.TrackerService;

/**
* An example deployment unit processor that does nothing. To add more deployment
* processors copy this class, and add to the {@link AbstractDeploymentChainStep}
* {@link SubsystemAdd#performBoottime(org.jboss.as.controller.OperationContext, org.jboss.dmr.ModelNode, org.jboss.dmr.ModelNode, org.jboss.as.controller.ServiceVerificationHandler, java.util.List)}
*
* @author <a href="[email protected]">Kabir Khan</a>
*/
public class SubsystemDeploymentProcessor implements DeploymentUnitProcessor {

Logger log = Logger.getLogger(SubsystemDeploymentProcessor.class);

/**
* See {@link Phase} for a description of the different phases
*/
public static final Phase PHASE = Phase.DEPENDENCIES;

/**
* The relative order of this processor within the {@link #PHASE}.
* The current number is large enough for it to happen after all
* the standard deployment unit processors that come with JBoss AS.
*/
public static final int PRIORITY = 0x4000;

@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
String name = phaseContext.getDeploymentUnit().getName();
ResourceRoot root = phaseContext.getDeploymentUnit().getAttachment(Attachments.DEPLOYMENT_ROOT);
TrackerService service = getTrackerService(phaseContext.getServiceRegistry(), name);
if (service != null) {
VirtualFile cool = root.getRoot().getChild("META-INF/cool.txt");
service.addDeployment(name);
if (cool.exists()) {
service.addCoolDeployment(name);
}
}
}

@Override
public void undeploy(DeploymentUnit context) {
context.getServiceRegistry();
String name = context.getName();
TrackerService service = getTrackerService(context.getServiceRegistry(), name);
if (service != null) {
service.removeDeployment(name);
}
}

private TrackerService getTrackerService(ServiceRegistry registry, String name) {
int last = name.lastIndexOf(".");
String suffix = name.substring(last + 1);
ServiceController<?> container = registry.getService(TrackerService.createServiceName(suffix));
if (container != null) {
TrackerService service = (TrackerService)container.getValue();
return service;
}
return null;
}
}
56 changes: 56 additions & 0 deletions jboss-as-subsystem-example/src/main/java/com/acme/corp/tracker/extension/SubsystemAdd.java
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package com.acme.corp.tracker.extension;

import java.util.List;

import org.jboss.as.controller.AbstractBoottimeAddStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.server.AbstractDeploymentChainStep;
import org.jboss.as.server.DeploymentProcessorTarget;
import org.jboss.dmr.ModelNode;
import org.jboss.logging.Logger;
import org.jboss.msc.service.ServiceController;

import com.acme.corp.tracker.deployment.SubsystemDeploymentProcessor;

/**
* Handler responsible for adding the subsystem resource to the model
*
* @author <a href="[email protected]">Kabir Khan</a>
*/
class SubsystemAdd extends AbstractBoottimeAddStepHandler {

static final SubsystemAdd INSTANCE = new SubsystemAdd();

private final Logger log = Logger.getLogger(SubsystemAdd.class);

private SubsystemAdd() {
}

/** {@inheritDoc} */
@Override
protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
log.info("Populating the model");
//Initialize the 'type' child node
model.get("type").setEmptyObject();
}

/** {@inheritDoc} */
@Override
public void performBoottime(OperationContext context, ModelNode operation, ModelNode model,
ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers)
throws OperationFailedException {

//Add deployment processors here
//Remove this if you don't need to hook into the deployers, or you can add as many as you like
//see SubDeploymentProcessor for explanation of the phases
context.addStep(new AbstractDeploymentChainStep() {
public void execute(DeploymentProcessorTarget processorTarget) {
processorTarget.addDeploymentProcessor(SubsystemDeploymentProcessor.PHASE, SubsystemDeploymentProcessor.PRIORITY, new SubsystemDeploymentProcessor());

}
}, OperationContext.Stage.RUNTIME);

}
}
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