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1
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 fMap= new HashMap ();
25
26 private static class Tuple {
27 private Class starter;
28 private Class wizard;
29 public Tuple(Class s, Class w) {
30 starter= s;
31 wizard= w;
32 }
33 }
34
35 protected void put(Class processor, Class starter, Class 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= (Tuple)fMap.get(processor.getClass());
45 if (tuple == null)
46 return null;
47 try {
48 UserInterfaceStarter starter= (UserInterfaceStarter)tuple.starter.newInstance();
49 Class wizardClass= tuple.wizard;
50 Constructor constructor= wizardClass.getConstructor(new Class [] {Refactoring.class});
51 RefactoringWizard wizard= (RefactoringWizard)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 }
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