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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.ui.refactoring; | |
12 | ||
13 | import java.lang.reflect.Constructor; | |
14 | import java.lang.reflect.InvocationTargetException; | |
15 | import java.util.HashMap; | |
16 | import java.util.Map; | |
17 | ||
18 | import org.eclipse.ltk.core.refactoring.Refactoring; | |
19 | import org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor; | |
20 | import org.eclipse.ltk.ui.refactoring.RefactoringWizard; | |
21 | ||
22 | public class UserInterfaceManager { | |
23 | ||
24 | private Map<Class<? extends RefactoringProcessor>, Tuple> fMap= new HashMap<Class<? extends RefactoringProcessor>, Tuple>(); | |
25 | ||
26 | private static class Tuple { | |
27 | private Class<? extends UserInterfaceStarter> starter; | |
28 | private Class<? extends RefactoringWizard> wizard; | |
29 | public Tuple(Class<? extends UserInterfaceStarter> s, Class<? extends RefactoringWizard> w) { | |
30 | starter= s; | |
31 | wizard= w; | |
32 | } | |
33 | } | |
34 | ||
35 | protected void put(Class<? extends RefactoringProcessor> processor, Class<? extends UserInterfaceStarter> starter, Class<? extends RefactoringWizard> wizard) { | |
36 | fMap.put(processor, new Tuple(starter, wizard)); | |
37 | } | |
38 | ||
39 | ||
40 | public UserInterfaceStarter getStarter(Refactoring refactoring) { | |
41 | RefactoringProcessor processor= (RefactoringProcessor)refactoring.getAdapter(RefactoringProcessor.class); | |
42 | if (processor == null) | |
43 | return null; | |
44 | Tuple tuple= fMap.get(processor.getClass()); | |
45 | if (tuple == null) | |
46 | return null; | |
47 | try { | |
48 | UserInterfaceStarter starter= tuple.starter.newInstance(); | |
49 | Class<? extends RefactoringWizard> wizardClass= tuple.wizard; | |
50 | Constructor<? extends RefactoringWizard> constructor= wizardClass.getConstructor(new Class[] {Refactoring.class}); | |
51 | RefactoringWizard wizard= constructor.newInstance(new Object[] {refactoring}); | |
52 | starter.initialize(wizard); | |
53 | return starter; | |
54 | } catch (NoSuchMethodException e) { | |
55 | return null; | |
56 | } catch (IllegalAccessException e) { | |
57 | return null; | |
58 | } catch (InstantiationException e) { | |
59 | return null; | |
60 | } catch (IllegalArgumentException e) { | |
61 | return null; | |
62 | } catch (InvocationTargetException e) { | |
63 | return null; | |
64 | } | |
65 | } | |
66 | } |