| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.javaeditor; |
| |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.ui.IElementFactory; |
| import org.eclipse.ui.IMemento; |
| |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| /** |
| * The factory which is capable of recreating class file editor |
| * inputs stored in a memento. |
| */ |
| public class ClassFileEditorInputFactory implements IElementFactory { |
| |
| public final static String ID= "org.eclipse.jdt.ui.ClassFileEditorInputFactory"; //$NON-NLS-1$ |
| public final static String KEY= "org.eclipse.jdt.ui.ClassFileIdentifier"; //$NON-NLS-1$ |
| |
| public ClassFileEditorInputFactory() { |
| } |
| |
| /* |
| * @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento) |
| */ |
| public IAdaptable createElement(IMemento memento) { |
| String identifier= memento.getString(KEY); |
| if (identifier == null) |
| return null; |
| |
| IJavaElement element= JavaCore.create(identifier); |
| try { |
| if (!element.exists() && element instanceof IClassFile) { |
| /* |
| * Let's try to find the class file, |
| * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=83221 |
| */ |
| IClassFile cf= (IClassFile)element; |
| IType type= cf.getType(); |
| IJavaProject project= element.getJavaProject(); |
| if (project != null) { |
| type= project.findType(type.getFullyQualifiedName()); |
| if (type == null) |
| return null; |
| element= type.getParent(); |
| } |
| } |
| return EditorUtility.getEditorInput(element); |
| } catch (JavaModelException x) { |
| // Don't report but simply return null |
| return null; |
| } |
| } |
| |
| public static void saveState(IMemento memento, InternalClassFileEditorInput input) { |
| IClassFile c= input.getClassFile(); |
| memento.putString(KEY, c.getHandleIdentifier()); |
| } |
| } |