package org.eclipse.jdt.internal.launching;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
This file is made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
**********************************************************************/

import java.io.File;
import java.text.MessageFormat;
import java.util.Map;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.jdt.launching.AbstractJavaLaunchConfigurationDelegate;
import org.eclipse.jdt.launching.ExecutionArguments;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.IVMRunner;
import org.eclipse.jdt.launching.VMRunnerConfiguration;

/**
 * Launches a local VM.
 */
public class JavaLocalApplicationLaunchConfigurationDelegate extends AbstractJavaLaunchConfigurationDelegate {

	/**
	 * @see ILaunchConfigurationDelegate#launch(ILaunchConfiguration, String, ILaunch, IProgressMonitor)
	 */
	public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException {
		
		if (monitor == null) {
			monitor = new NullProgressMonitor();
		}
		
		monitor.beginTask(LaunchingMessages.getString("JavaLocalApplicationLaunchConfigurationDelegate.Launching..._1"), IProgressMonitor.UNKNOWN); //$NON-NLS-1$
		// check for cancellation
		if (monitor.isCanceled()) {
			return;
		}
								
		String mainTypeName = verifyMainTypeName(configuration);

		IVMInstall vm = verifyVMInstall(configuration);

		IVMRunner runner = vm.getVMRunner(mode);
		if (runner == null) {
			if (mode == ILaunchManager.DEBUG_MODE) {
				abort(MessageFormat.format(LaunchingMessages.getString("JavaLocalApplicationLaunchConfigurationDelegate.JRE_{0}_does_not_support_debug_mode._1"), new String[]{vm.getName()}), null, IJavaLaunchConfigurationConstants.ERR_VM_RUNNER_DOES_NOT_EXIST);  //$NON-NLS-1$
			} else {
				abort(MessageFormat.format(LaunchingMessages.getString("JavaLocalApplicationLaunchConfigurationDelegate.JRE_{0}_does_not_support_run_mode._2"), new String[]{vm.getName()}), null, IJavaLaunchConfigurationConstants.ERR_VM_RUNNER_DOES_NOT_EXIST);  //$NON-NLS-1$
			}
		}

		File workingDir = verifyWorkingDirectory(configuration);
		String workingDirName = null;
		if (workingDir != null) {
			workingDirName = workingDir.getAbsolutePath();
		}
		
		// Program & VM args
		String pgmArgs = getProgramArguments(configuration);
		String vmArgs = getVMArguments(configuration);
		ExecutionArguments execArgs = new ExecutionArguments(vmArgs, pgmArgs);
		
		// VM-specific attributes
		Map vmAttributesMap = getVMSpecificAttributesMap(configuration);
		
		// Classpath
		String[] classpath = getClasspath(configuration);
		
		// Create VM config
		VMRunnerConfiguration runConfig = new VMRunnerConfiguration(mainTypeName, classpath);
		runConfig.setProgramArguments(execArgs.getProgramArgumentsArray());
		runConfig.setVMArguments(execArgs.getVMArgumentsArray());
		runConfig.setWorkingDirectory(workingDirName);
		runConfig.setVMSpecificAttributesMap(vmAttributesMap);

		// Bootpath
		String[] bootpath = getBootpath(configuration);
		runConfig.setBootClassPath(bootpath);
		
		// check for cancellation
		if (monitor.isCanceled()) {
			return;
		}		
		
		// stop in main
		prepareStopInMain(configuration);
		
		// Launch the configuration
		runner.run(runConfig, launch, monitor);
		
		// check for cancellation
		if (monitor.isCanceled()) {
			return;
		}	
		
		// set the default source locator if required
		setDefaultSourceLocator(launch, configuration);
		
		monitor.done();
	}	
}