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/*******************************************************************************
* 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;
}
}
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