plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/WebSettingsMigrator.java

/*******************************************************************************
 * Copyright (c) 2003, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 * IBM Corporation - initial API and implementation
 *******************************************************************************/
/*
 * Created on Mar 11, 2004
 * 
 * To change the template for this generated file go to Window - Preferences -
 * Java - Code Generation - Code and Comments
 */
package org.eclipse.jst.j2ee.internal.web.operations;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jem.util.emf.workbench.JavaProjectUtilities;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
import org.eclipse.jst.j2ee.internal.project.IWebNatureConstants;
import org.eclipse.jst.j2ee.internal.project.J2EENature;
import org.eclipse.jst.j2ee.internal.project.J2EESettings;
import org.eclipse.wst.common.frameworks.internal.WTPProjectUtilities;
import org.eclipse.wst.common.internal.migration.IDeprecatedConstants;
import org.eclipse.wst.common.internal.migration.IMigrator;

/**
 * @author vijayb
 * 
 * To change the template for this generated type comment go to Window - Preferences - Java - Code
 * Generation - Code and Comments
 */
public class WebSettingsMigrator implements IMigrator {
	protected J2EESettings j2eeSettings;
	protected String WEBSETINGS_KEY = "j2eesettings"; //$NON-NLS-1$

	/**
	 *  
	 */
	public WebSettingsMigrator() {
		super();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jst.common.migration.IMigrator#migrate(org.eclipse.core.resources.IProject)
	 */
	public boolean migrate(IProject project) {
	    //TODO: re-implement as necessary in M4
	    //migrateProjectFile(project);
		if (migrateWebSettingsFile(project))
			return true;
		return false;
	}

	/**
	 * @param project
	 */
	private boolean migrateWebSettingsFile(IProject project) {
		//
		
		/*J2EEWebNatureRuntime webNature = J2EEWebNatureRuntime.getRuntime(project);
		if (webNature != null) {
			WebSettings webSettings = webNature.getWebSettings();
			IFile webSettingsFile = webNature.getFile(IWebNatureConstants.WEBSETTINGS_FILE_NAME);
			try {
				if (webSettings != null) {
					boolean j2eeSuccesful = performJ2EESettingsMigration(project, webNature);
					boolean webSuccessful = performWebSettingsMigration(project, webNature, webSettings, webSettingsFile);
					return j2eeSuccesful && webSuccessful;
				}
			} catch (CoreException ce) {
				ce.printStackTrace();
			}
		}*/
		return false;
	}

	/**
	 * @param project
	 * @param webNature
	 * @param jspVersion
	 * @return
	 */
/*	private boolean performWebSettingsMigration(IProject project, J2EEWebNatureRuntime webNature, WebSettings webSettings, IFile webSettingsFile) {
		if (!CompatibilityUtils.isPersistedTimestampCurrent(project, webSettingsFile)) {
			try {
				webSettings.setVersion(J2EESettings.CURRENT_VERSION);
				webSettings.setProjectType("J2EE"); //$NON-NLS-1$
				webSettings.setWebContentName(getWebContentOutputFolderName(project));
				webSettings.setContextRoot(webNature.getContextRoot());
				String jspLevel = getJSPLevel(webNature);
				if (jspLevel != null) {
					webSettings.setJSPLevel(jspLevel);
				}
				webSettings.write();
				CompatibilityUtils.updateTimestamp(project, webSettingsFile);
				return true;
			} catch (CoreException ce) {
				ce.printStackTrace();
			}
		}
		return false;
	}*/

	/**
	 * @param servletLevel
	 * @return
	 */
/*	private String getJSPLevel(J2EEWebNatureRuntime webNature) {
		String version = webNature.getModuleVersionText();
		if (version.equals(J2EEVersionConstants.VERSION_2_2_TEXT))
			return J2EEVersionConstants.VERSION_1_1_TEXT;
		else if (version.equals(J2EEVersionConstants.VERSION_2_3_TEXT))
			return J2EEVersionConstants.VERSION_1_2_TEXT;
		else if (version.equals(J2EEVersionConstants.VERSION_2_4_TEXT))
			return J2EEVersionConstants.VERSION_1_3_TEXT;
		return null;
	}
*/
	/**
	 * @param project
	 * @param webNature
	 * @param jspVersion
	 * @return
	 * @throws CoreException
	 */
/*	private boolean performJ2EESettingsMigration(IProject project, J2EEWebNatureRuntime webNature) throws CoreException {

		IFile j2eeSettingsFile = project.getFile(J2EESettings.J2EE_SETTINGS_FILE_NAME);
		if (!CompatibilityUtils.isPersistedTimestampCurrent(project, j2eeSettingsFile)) {
			if (j2eeSettingsFile == null && j2eeSettingsFile.exists())
				j2eeSettings = getJ2EESettings(project);
			else
				j2eeSettings = new J2EESettings(project, webNature);
			j2eeSettings.setVersion(J2EESettings.CURRENT_VERSION);
			String version = getJSPLevel(webNature);
			if (version.equals(J2EEVersionConstants.VERSION_1_1_TEXT))
				j2eeSettings.setModuleVersion(J2EEVersionConstants.VERSION_2_2);
			else if (version.equals(J2EEVersionConstants.VERSION_1_2_TEXT))
				j2eeSettings.setModuleVersion(J2EEVersionConstants.VERSION_2_3);
			else if (version.equals(J2EEVersionConstants.VERSION_1_3_TEXT))
				j2eeSettings.setModuleVersion(J2EEVersionConstants.VERSION_2_4);
			j2eeSettings.write();
			CompatibilityUtils.updateTimestamp(project, j2eeSettingsFile);
			return true;
		}
		return false;
	}*/

	protected J2EESettings getJ2EESettings(IProject project) {
		return new J2EESettings(project);
	}

	private String getWebContentOutputFolderName(IProject project) {
		IPath outputPath = JavaProjectUtilities.getJavaProjectOutputLocation(project);
		String[] folders = outputPath.segments();
		for (int i = 0; i < folders.length; i++) {
			IContainer container = project.getFolder(folders[i]);
			IResource resource = container.findMember(new Path(IWebNatureConstants.INFO_DIRECTORY + "/" + IWebNatureConstants.DEPLOYMENT_DESCRIPTOR_FILE_NAME)); //$NON-NLS-1$
			if (resource != null) {
				return container.getFullPath().removeFirstSegments(1).toString();
			}

		}
		return ""; //$NON-NLS-1$
	}

	private void migrateProjectFile(IProject project) {
		try {
			J2EENature nature = J2EENature.getRegisteredRuntime(project);
			int j2eeVersion = nature.getJ2EEVersion();
			if (j2eeVersion != J2EEVersionConstants.J2EE_1_4_ID) {

				if (project.hasNature(IWebNatureConstants.J2EE_NATURE_ID)) {
					//WTPProjectUtilities.addOldNatureToProject( project,
					// IDeprecatedConstants.WEBNATURE );
					WTPProjectUtilities.addOldNatureToProject(project, IDeprecatedConstants.WEBNATURE, 1);
					ProjectUtilities.addToBuildSpec(IDeprecatedConstants.LIBCOPYBUILDER, project);
				}
			}
		} catch (CoreException ce) {
			ce.printStackTrace();
		}
	}
}