import org.eclipse.core.commands.IParameterValues; //导入依赖的package包/类
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
	try {
		IParameter configparameter = event.getCommand().getParameter(PARAMETER_LAUNCHCONFIG);
		IParameterValues values = configparameter.getValues();
		if (values instanceof LaunchParameterValues){
			LaunchParameterValues launchParameterValues = (LaunchParameterValues) values;
			taskAttributeOverride = launchParameterValues.getOverriddenTasks();
			launch = launchParameterValues.getLaunch();
			postJob = launchParameterValues.getPostJob();
			
		}else{
			IDEUtil.logWarning(getClass().getSimpleName()+":parameter values without being a launch parameter value was used !??! :"+ values);
		}

	} catch (NotDefinedException | ParameterValuesException e) {
		throw new IllegalStateException("Cannot fetch command parameter!", e);
	}
	return super.execute(event);
}
 

import org.eclipse.core.commands.IParameterValues; //导入依赖的package包/类
/**
 * This is an ugly workaround to prevent that
 * <code>PlatformUI.getWorkbench()</code> is called.
 */
private static boolean checkE4Parameter(final IParameterValues inValue) {
	if (inValue instanceof PerspectiveParameterValues
	        || inValue instanceof PreferencePageParameterValues
	        || inValue instanceof ViewParameterValues
	        || inValue instanceof WizardParameterValues) {
		return false;
	}
	return true;
}
 

import org.eclipse.core.commands.IParameterValues; //导入依赖的package包/类
public IParameterValues getValues() throws ParameterValuesException{
	return new IParameterValues() {
		
		public Map getParameterValues(){
			return new HashMap<String, String>();
		}
	};
	
}
 

import org.eclipse.core.commands.IParameterValues; //导入依赖的package包/类
@Override
public IParameterValues getValues() throws ParameterValuesException {
	return null;
}