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/*******************************************************************************
* Copyright (c) 2006, 2008 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.ui.internal.actions;
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jpt.core.JpaProject;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.ui.JpaPlatformUi;
import org.eclipse.jpt.ui.internal.platform.JpaPlatformUiRegistry;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
/**
* Override any of the #execute() methods.
*/
public abstract class ProjectAction implements IObjectActionDelegate {
private ISelection currentSelection;
public ProjectAction() {
super();
}
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
// do nothing
}
public void selectionChanged(IAction action, ISelection selection) {
this.currentSelection = selection;
}
protected IStructuredSelection getCurrentSelection() {
if (this.currentSelection instanceof IStructuredSelection) {
return (IStructuredSelection) this.currentSelection;
}
return null;
}
public void run(IAction action) {
if (this.currentSelection instanceof IStructuredSelection) {
for (Iterator stream = ((IStructuredSelection) this.currentSelection).iterator(); stream.hasNext(); ) {
this.execute(stream.next());
}
}
}
protected void execute(Object selection) {
IProject project = this.projectFromSelection(selection);
if (project != null) {
this.execute(project);
}
}
protected IProject projectFromSelection(Object selection) {
if (selection instanceof IProject) {
return (IProject) selection;
}
if (selection instanceof IJavaProject) {
return ((IJavaProject) selection).getProject();
}
return null;
}
protected JpaPlatformUi jpaPlatformUi(JpaProject project) {
String coreJpaPlatformId = project.getJpaPlatform().getId();
return JpaPlatformUiRegistry.instance().getJpaPlatformUi(coreJpaPlatformId);
}
protected void execute(IProject project) {
JpaProject jpaProject = JptCorePlugin.getJpaProject(project);
if (jpaProject == null) {
return;
}
this.execute(jpaProject);
}
protected void execute(JpaProject project) {
throw new UnsupportedOperationException();
}
}
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