package org.andromda.ant.task;
import java.io.FileNotFoundException;
import java.net.URL;
import org.andromda.core.AndroMDAServer;
import org.andromda.core.configuration.Configuration;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.MatchingTask;
/**
* <p>
* This class wraps the AndroMDA model processor so that AndroMDA Server can be
* used as an Ant task. Represents the <code><andromda></code> custom
* task which can be called from an Ant build script.
* </p>
*
* @author Lofi Dewanto
*/
public class AndroMDAServerStopTask
extends MatchingTask
{
/**
* Initialize the context class loader.
*/
static
{
initializeContextClassLoader();
}
/**
* Stores the configuration URI.
*/
private URL configurationUri;
/**
* Sets the URI to the configuration file.
*
* @param configurationUri
*/
public void setConfigurationUri(final URL configurationUri)
{
this.configurationUri = configurationUri;
}
/**
* <p>
* Stops the AndroMDA server.
* </p>
* <p>
* This is the main entry point of the application when running Ant. It is
* called by ant whenever the surrounding task is executed (which could be
* multiple times).
* </p>
*
* @throws BuildException if something goes wrong
*/
public void execute()
throws BuildException
{
// initialize before the execute as well in case we
// want to execute more than once
initializeContextClassLoader();
try
{
if (this.configurationUri == null)
{
throw new BuildException("Configuration is not a valid URI --> '" + this.configurationUri + "'");
}
// Create the configuration file
final Configuration configuration = Configuration.getInstance(this.configurationUri);
final AndroMDAServer andromdaServer = AndroMDAServer.newInstance();
if (andromdaServer != null)
{
andromdaServer.stop(configuration);
}
}
catch (Throwable throwable)
{
final Throwable cause = ExceptionUtils.getCause(throwable);
if (cause != null)
{
throwable = cause;
}
if (throwable instanceof FileNotFoundException)
{
throw new BuildException("No configuration could be loaded from --> '" + configurationUri + "'");
}
throw new BuildException(throwable);
}
finally
{
// Set the context class loader back ot its system class loaders
// so that any processes running after won't be trying to use
// the ContextClassLoader for this class.
Thread.currentThread().setContextClassLoader(ClassLoader.getSystemClassLoader());
}
}
/**
* Set the context class loader so that any classes using it (the
* contextContextClassLoader) have access to the correct loader.
*/
private final static void initializeContextClassLoader()
{
Thread.currentThread().setContextClassLoader(AndroMDAServerStopTask.class.getClassLoader());
}
}