JavaCodeWizard.java

/*
Copyright (C) 2008-2009 by Claas Wilke (claaswilke@gmx.net)

This file is part of the OCL 2 Java Code Generator of Dresden OCL2 for Eclipse.

Dresden OCL2 for Eclipse 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 3 of the License, or (at your option)
any later version.

Dresden OCL2 for Eclipse 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 Dresden OCL2 for Eclipse. If not, see <http://www.gnu.org/licenses/>.
 */

package org.dresdenocl.tools.codegen.ocl2java.ui.internal.wizards;

import java.util.List;

import org.apache.log4j.Logger;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;

import org.dresdenocl.pivotmodel.Constraint;
import org.dresdenocl.tools.codegen.exception.Ocl2CodeException;
import org.dresdenocl.tools.codegen.ocl2java.IOcl2JavaSettings;
import org.dresdenocl.tools.codegen.ocl2java.Ocl2JavaFactory;
import org.dresdenocl.tools.codegen.ocl2java.ui.Ocl2JavaUIPlugIn;
import org.dresdenocl.tools.codegen.ocl2java.ui.internal.Ocl2JavaUIMessages;
import org.dresdenocl.tools.codegen.ui.impl.CodegenUIMessages;
import org.dresdenocl.tools.codegen.ui.impl.wizards.CodegenJob;
import org.dresdenocl.tools.codegen.ui.impl.wizards.TransformCodeWizard;

public class JavaCodeWizard extends TransformCodeWizard implements INewWizard {

	/** A logger for this class. */
	private static final Logger logger = Ocl2JavaUIPlugIn
			.getLogger(JavaCodeWizard.class);


	/** A page to select settings for code transformation. */
	private SettingsPage settingsPage;

	/** A page to select constraint specific settings for code transformation. */
	private SpecificSettingsPage specificSettingsPage;

	/**
	 * <p>
	 * Creates a new {@link JavaCodeWizard}.
	 * </p>
	 */
	public JavaCodeWizard() {

		super(Ocl2JavaUIMessages.TransformCodeWizard_Title);
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.jface.wizard.IWizard#addPages()
	 */
	@Override
	public void addPages() {

		super.addPages();

		addPage(this.settingsPage);

		addPage(this.specificSettingsPage);

	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench,
	 * org.eclipse.jface.viewers.IStructuredSelection)
	 */
	@Override
	public void init(IWorkbench workbench, IStructuredSelection selection) {

		super.init(workbench, selection);

		this.settingsPage =
				new SettingsPage((IOcl2JavaSettings) this.myCodeGenerator.getSettings());

		this.specificSettingsPage =
				new SpecificSettingsPage(
						(IOcl2JavaSettings) this.myCodeGenerator.getSettings());

		/* This page must observe the Constraint selection. */
		this.selectConstraintsPage.setObserver(this.specificSettingsPage);

		/* Probably log the exit from this method. */
		if (logger.isDebugEnabled()) {
			logger.debug("Exit method init(IWorkbench, IStructuredSelection).");
		}
		// no else.
	}

	@Override
	protected void setCodeGenerator() {

		/* Try Initialize the code generator. */
		try {
			myCodeGenerator = Ocl2JavaFactory.getInstance().createJavaCodeGenerator();
		}

		/* Else show an exception. */
		catch (Ocl2CodeException e) {
			MessageDialog.openError(
					getShell(),
					CodegenUIMessages.TransformCodeWizard_ErrorMessageDialogTitle,
					CodegenUIMessages.TransformCodeWizard_InitErrorOccured
							+ (e.getMessage() != null ? e.getMessage()
									: CodegenUIMessages.TransformCodeWizard_CheckLog));

			String errorMsg = "An error occured during initialization.";
			logger.error(errorMsg, e);
		}
	}

	@Override
	protected CodegenJob getCodegenJob(List<Constraint> constraints) {

		CodegenJavaJob codegenJob =
				new CodegenJavaJob(constraints, this.myCodeGenerator);
		return codegenJob;

	}

}