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/*
* 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.embedded;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import java.util.List;
import org.jboss.beans.metadata.plugins.AbstractBeanMetaData;
import org.jboss.deployers.client.spi.main.MainDeployer;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.embedded.adapters.ServerConfig;
import org.jboss.kernel.Kernel;
import org.jboss.kernel.plugins.bootstrap.basic.BasicBootstrap;
import org.jboss.kernel.plugins.deployment.xml.BeanXMLDeployer;
import org.jboss.logging.Logger;
import org.jboss.virtual.VirtualFile;
/**
* Basic bootstrap class for embeddable JBoss
*
* @author Bill Burke
* @author [email protected]
* @version $Revision: 1.1 $
*/
public class Bootstrap
{
private static final Logger log = Logger.getLogger(Bootstrap.class);
public static final String BOOTSTRAP_RESOURCE_PATH="jboss.embedded.bootstrap.resource.path";
public static final String BOOTSTRAP_RESOURCE_FILE="conf/bootstrap-beans.xml";
protected Kernel kernel;
protected ClassLoader loader = Thread.currentThread().getContextClassLoader();
protected MainDeployer mainDeployer;
protected boolean started;
protected boolean ignoreShutdownErrors;
private static Bootstrap instance;
/**
* For those applications that need a singelton Bootstrap instance
*
* @return the bootstrap
*/
public static synchronized Bootstrap getInstance()
{
if (instance == null)
instance = new Bootstrap(createKernel());
return instance;
}
public Bootstrap()
{
this.kernel = createKernel();
}
public Bootstrap(Kernel kernel)
{
this.kernel = kernel;
}
public boolean isIgnoreShutdownErrors()
{
return ignoreShutdownErrors;
}
public void setIgnoreShutdownErrors(boolean ignoreShutdownErrors)
{
this.ignoreShutdownErrors = ignoreShutdownErrors;
}
public boolean isStarted()
{
return started;
}
public Kernel getKernel()
{
return kernel;
}
public void setKernel(Kernel kernel)
{
this.kernel = kernel;
}
public ClassLoader getLoader()
{
return loader;
}
public void setLoader(ClassLoader loader)
{
this.loader = loader;
}
protected static Kernel createKernel()
{
BasicBootstrap bootstrap1 = new BasicBootstrap();
bootstrap1.run();
return bootstrap1.getKernel();
}
protected void deployBaseBootstrapUrl(URL url) throws Throwable
{
BeanXMLDeployer deployer = new BeanXMLDeployer(kernel);
deployer.deploy(url);
}
protected void bootstrapURL(URL url) throws DeploymentException
{
try
{
// ServerConfig has to be created and installed before boostrap as we may want to use
// system properties set up in ServerConfig
ServerConfig config = new ServerConfig();
AbstractBeanMetaData bmd = new AbstractBeanMetaData("ServerConfig", ServerConfig.class.getName());
kernel.getController().install(bmd, config);
deployBaseBootstrapUrl(url);
mainDeployer = (MainDeployer)kernel.getRegistry().getEntry("MainDeployer").getTarget();
}
catch (Throwable throwable)
{
throw new RuntimeException("Unable to bootstrap: ", throwable);
}
mainDeployer.checkComplete();
started = true;
}
/**
*
* Specify top classpath resource directory where base JBoss Embedded directory structure is.
* The Embedded JBoss directory structure is determined by extrapolating a directory from a base
* classpath resource.
* The absolute directory will be determined by doing
* classloader.getResource(bootstrapResourcePath + "conf/bootstrap-beans.xml")
*
*
* @param bootstrapResourcePath
* @throws DeploymentException
*/
public void bootstrap(String bootstrapResourcePath) throws DeploymentException
{
if (bootstrapResourcePath == null)
{
bootstrapResourcePath = "";
}
else if (!bootstrapResourcePath.equals("") && !bootstrapResourcePath.endsWith("/"))
{
bootstrapResourcePath += "/";
}
System.setProperty(BOOTSTRAP_RESOURCE_PATH, bootstrapResourcePath);
bootstrapResourcePath += BOOTSTRAP_RESOURCE_FILE;
URL url = loader.getResource(bootstrapResourcePath);
if (url == null)
throw new DeploymentException("Unable to find bootstrap file: " + bootstrapResourcePath + " in classpath");
bootstrapURL(url);
}
/**
* Will obtain resource path from jboss.embedded.bootstrap.resource.path System Property.
* Otherwise it just invoked bootstrap(String bootstrapResourcePath) with ""
*
* @throws DeploymentException
*/
public void bootstrap() throws DeploymentException
{
String path = System.getProperty(BOOTSTRAP_RESOURCE_PATH, "");
bootstrap(path);
}
/**
* Shutdown the kernel and all deployments
*
*/
public void shutdown()
{
try
{
mainDeployer.shutdown();
}
catch (Exception e)
{
if (!ignoreShutdownErrors)
throw new RuntimeException(e);
else
log.error("Failed to shutdown Bootstrap", e);
}
}
/**
* Look in java.class.path for any .jar or class directories whose base file/dir match
* any base file/dir names in the comma delimited path parameter
*
* If classpath is:
*
* /home/wburke/jars/foo.jar
*
* and path is:
*
* "foo.jar"
*
* This will be a match and that .jar file will be deployed
*
* @param path can be comma delimited
* @throws DeploymentException
*/
public void scanClasspath(String path) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.addClasspath(path);
group.process();
}
/**
* Undeploy something deployed via scanSclasspath()
*
* @param path
* @throws DeploymentException
*/
public void undeployClasspath(String path) throws DeploymentException
{
List paths = DeploymentGroup.getClassPaths(path);
for (URL url : paths)
{
undeploy(url);
}
}
/**
* Deploy the classpath directories or .jar files a classloader resource is located in.
* ClassLoader.getResources() is used to find the base resources.
*
* i.e.
*
* classpath is "/home/wburke/lib/tutorial.jar:/home/wburke/lib/pu.jar"
* tutorial.jar and pu.jar has "META-INF/persistence.xml" resource within it.
*
* addResourceBases("META-INF/persistence.xml") will try and deploy tutorial.jar and pu.jar because
* the both have the META-INF/persistence.xml resource within them.
*
*
* @param baseResource
* @throws DeploymentException
*/
public void deployResourceBase(String baseResource) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.addResourceBase(baseResource);
group.process();
}
/**
*
*
* @param baseResource
* @throws DeploymentException
*/
public void deployResourceBases(String baseResource) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.addResourceBases(baseResource);
group.process();
}
/**
* Find the .class resource of the given class
* Deploy a URL pointing to the classpath the resource is located in.
*
* i.e.
*
* classpath is "/home/wburke/lib/tutorial.jar"
* tutorial.jar has "META-INF/persistence.xml" resource within it.
*
* addResourceBase("META-INF/persistence.xml") will try and deploy tutorial.jar
*
* classloader.getResource("META-INF/persistence.xml") is used to determine the base location
*
*
* @param baseResource
* @throws DeploymentException
*/
public void deployResourceBase(Class baseResource) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.addResourceBase(baseResource);
group.process();
}
public void deploy(URL url) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.add(url);
group.process();
}
public void deploy(VirtualFile file) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.add(file);
group.process();
}
/**
* Deploy a resource found by getResource() on the kernel's classloader
*
*
* @param resource
* @throws DeploymentException
*/
public void deployResource(String resource) throws DeploymentException
{
DeploymentGroup group = createDeploymentGroup();
group.addResource(resource);
group.process();
}
/**
* Define a deploy directory and deploy all files within it. The recurse parameter tells whether to recurse into
* sub directories for deployments
*
*
* @param url
* @param recurse
* @throws DeploymentException
* @throws IOException
*/
public void deployDirectory(URL url, boolean recurse) throws DeploymentException, IOException
{
DeploymentGroup group = createDeploymentGroup();
group.addDirectory(url, recurse);
group.process();
}
/**
*
* Find a deploy directory from a base resource
*
* @param resource
* @param recurse
* @throws DeploymentException
* @throws IOException
*/
public void deployDirectoryFromResource(String resource, boolean recurse) throws DeploymentException, IOException
{
DeploymentGroup group = createDeploymentGroup();
group.addDirectoryByResource(resource, recurse);
group.process();
}
/**
* opposite of deployResourceBase()
*
*
*
* @param baseResource
* @throws DeploymentException
*/
public void undeployResourceBase(String baseResource) throws DeploymentException
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (loader != null)
classLoader = loader;
URL url = classLoader.getResource(baseResource);
if (url == null)
throw new RuntimeException("Could not find baseResource: " + baseResource);
undeployResourceBase(url, baseResource);
}
private void undeployResourceBase(URL url, String baseResource)
throws DeploymentException
{
String urlString = url.toString();
int idx = urlString.lastIndexOf(baseResource);
urlString = urlString.substring(0, idx);
URL deployUrl;
try
{
deployUrl = new URL(urlString);
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
undeploy(deployUrl);
}
public void undeployResourceBases(String baseResource) throws DeploymentException
{
try
{
Enumeration urls = loader.getResources(baseResource);
while (urls.hasMoreElements())
{
URL url = urls.nextElement();
undeployResourceBase(url, baseResource);
}
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
/**
* opposite of deployResourceBase()
*
*
*
* @param baseResource
* @throws DeploymentException
*/
public void undeployResourceBase(Class baseResource) throws DeploymentException
{
String resource = baseResource.getName().replace('.', '/') + ".class";
undeployResourceBase(resource);
}
/**
* opposite of deployResource
*
* @param resource
* @throws DeploymentException
*/
public void undeployResource(String resource) throws DeploymentException
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (loader != null)
classLoader = loader;
URL url = classLoader.getResource(resource);
if (url == null)
throw new NullPointerException("Resource was null: " + resource);
undeploy(url);
}
public void undeploy(URL url) throws DeploymentException
{
VirtualFile vf = DeploymentGroup.getVirtualFile(url);
undeploy(vf);
}
public void undeploy(VirtualFile vf)
throws DeploymentException
{
mainDeployer.removeDeployment(vf.getName());
mainDeployer.process();
}
public void undeployDirectory(URL url, boolean recurse) throws DeploymentException, IOException
{
List files = DeploymentGroup.getDeployerDirUrls(null, url, recurse);
for (VirtualFile vf : files)
mainDeployer.removeDeployment(vf.getName());
mainDeployer.process();
}
public void undeployDirectoryFromResource(String resource, boolean recurse) throws DeploymentException, IOException
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (loader != null) classLoader = loader;
List files = DeploymentGroup.getDeployerDirUrlsFromResource(null, classLoader, resource, recurse);
for (VirtualFile vf : files)
mainDeployer.removeDeployment(vf.getName());
mainDeployer.process();
}
public DeploymentGroup createDeploymentGroup()
{
DeploymentGroup group = new DeploymentGroup();
group.setClassLoader(loader);
group.setMainDeployer(mainDeployer);
group.setKernel(kernel);
return group;
}
public static void main(String[] args) throws Exception
{
getInstance().bootstrap();
for (String arg : args)
{
getInstance().scanClasspath(arg);
}
System.out.println("Running...");
Thread t = new Thread();
t.setDaemon(false);
t.start();
}
}
