abstractlaunchconfigurationdelegate.java

Python Development Environment (Python IDE plugin for Eclipse). Features editor, code completion, re

/*
 * Author: atotic
 * Created: Aug 16, 2003
 * License: Common Public License v1.0
 */
package org.python.pydev.debug.ui.launching;

import java.io.IOException;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.model.ILaunchConfigurationDelegate;
import org.eclipse.debug.core.model.LaunchConfigurationDelegate;
import org.python.pydev.core.log.Log;
import org.python.pydev.debug.core.PydevDebugPlugin;

/**
 * 
 * Launcher for the python scripts.
 * 
 * <p>The code is pretty much copied from ExternalTools' ProgramLaunchDelegate.
 * <p>I would have subclassed, but ProgramLaunchDelegate hides important internals
 * 
 * Based on org.eclipse.ui.externaltools.internal.program.launchConfigurations.ProgramLaunchDelegate
 */
public abstract class AbstractLaunchConfigurationDelegate extends LaunchConfigurationDelegate implements ILaunchConfigurationDelegate {
	
	/**
	 * Launches the python process.
	 * 
	 * Modelled after Ant & Java runners
	 * see WorkbenchLaunchConfigurationDelegate::launch
	 */
	public void launch(ILaunchConfiguration conf, String mode, ILaunch launch, IProgressMonitor monitor) throws CoreException {

		if (monitor == null){
			monitor = new NullProgressMonitor();
        }
        
		monitor.beginTask("Preparing configuration", 3);

		PythonRunnerConfig runConfig = new PythonRunnerConfig(conf, mode, getRunnerConfigRun());
		
		monitor.worked(1);
		try {
			PythonRunner.run(runConfig, launch, monitor);
		} catch (IOException e) {
            Log.log(e);
			throw new CoreException(PydevDebugPlugin.makeStatus(IStatus.ERROR, "Unexpected IO Exception in Pydev debugger", null));
		}
	}

    /**
     * @return the mode we should use to run it...
     * 
     * @see PythonRunnerConfig#RUN_REGULAR
     * @see PythonRunnerConfig#RUN_COVERAGE
     * @see PythonRunnerConfig#RUN_UNITTEST
     * @see PythonRunnerConfig#RUN_JYTHON_UNITTEST
     * @see PythonRunnerConfig#RUN_JYTHON
     */
    protected abstract String getRunnerConfigRun();
}