| /******************************************************************************* |
| * Copyright (c) 2011, 2012 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.ui.internal.commands; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jpt.jpa.core.JpaProject; |
| import org.eclipse.jpt.jpa.ui.JpaPlatformUi; |
| import org.eclipse.jpt.jpa.ui.internal.platform.JpaPlatformUiRegistry; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| public abstract class AbstractJpaJavaMetadataConversionHandler extends AbstractHandler { |
| |
| public AbstractJpaJavaMetadataConversionHandler() { |
| super(); |
| } |
| |
| |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IStructuredSelection selections = (IStructuredSelection) |
| HandlerUtil.getCurrentSelectionChecked(event); |
| |
| Object selection = selections.iterator().next(); |
| JpaProject jpaProject = getJpaProjectFromSelection(selection); |
| if (jpaProject != null) { |
| converterJavaGlobalMetadata(jpaProject); |
| } |
| return null; |
| } |
| |
| |
| abstract protected void converterJavaGlobalMetadata(JpaProject jpaProject); |
| |
| protected JpaPlatformUi getJpaPlatformUi(JpaProject project) { |
| String coreJpaPlatformId = project.getJpaPlatform().getId(); |
| return JpaPlatformUiRegistry.instance().getJpaPlatformUi(coreJpaPlatformId); |
| } |
| |
| protected JpaProject getJpaProjectFromSelection(Object selection) { |
| IProject project = getIProjectFromSelection(selection); |
| if (project != null) { |
| return (JpaProject) project.getAdapter(JpaProject.class); |
| } |
| return null; |
| } |
| |
| protected IProject getIProjectFromSelection(Object selection) { |
| if (selection instanceof IProject) { |
| return (IProject) selection; |
| } |
| if (selection instanceof IJavaProject) { |
| return ((IJavaProject) selection).getProject(); |
| } |
| return null; |
| } |
| } |