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Java > Open Source Codes > org > eclipse > jdt > internal > debug > core > refactoring > JavaClassPrepareBreakpointTypeChange


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 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.debug.core.refactoring;
12
13 import java.text.MessageFormat JavaDoc;
14 import java.util.Map JavaDoc;
15
16 import org.eclipse.core.runtime.CoreException;
17 import org.eclipse.jdt.core.ISourceRange;
18 import org.eclipse.jdt.core.IType;
19 import org.eclipse.jdt.debug.core.IJavaClassPrepareBreakpoint;
20 import org.eclipse.jdt.debug.core.JDIDebugModel;
21 import org.eclipse.jdt.internal.debug.ui.BreakpointUtils;
22 import org.eclipse.ltk.core.refactoring.Change;
23
24
25 /**
26  * Change to update a class prepare breakpoint when a IType is moved or renamed.
27  */
28 public class JavaClassPrepareBreakpointTypeChange extends JavaBreakpointTypeChange {
29
30     private int fMemberType;
31     
32     public JavaClassPrepareBreakpointTypeChange(IJavaClassPrepareBreakpoint classPrepareBreakpoint, Object JavaDoc changedElement, Object JavaDoc argument, int changeType) throws CoreException {
33         super(classPrepareBreakpoint, changedElement, argument, changeType);
34         fMemberType= classPrepareBreakpoint.getMemberType();
35     }
36
37     /* (non-Javadoc)
38      * @see org.eclipse.jdt.internal.debug.core.refactoring.JavaBreakpointTypeNameChange#getErrorMessageNoMoreExists()
39      */
40     public String JavaDoc getErrorMessageNoMoreExists() {
41         return MessageFormat.format(RefactoringMessages.JavaClassPrepareBreakpointTypeChange_0, new String JavaDoc[] {getDeclaringType().getElementName()}); //$NON-NLS-1$
42 }
43
44     /* (non-Javadoc)
45      * @see org.eclipse.ltk.core.refactoring.Change#getName()
46      */
47     public String JavaDoc getName() {
48         return MessageFormat.format(RefactoringMessages.JavaClassPrepareBreakpointTypeChange_1, new String JavaDoc[] {getDeclaringType().getElementName()}); //$NON-NLS-1$
49 }
50
51     /* (non-Javadoc)
52      * @see org.eclipse.jdt.internal.debug.core.refactoring.JavaBreakpointTypeNameChange#performChange(org.eclipse.jdt.core.IType, java.lang.String)
53      */
54     public Change performChange(IType newType, Object JavaDoc undoChangedElement, Object JavaDoc undoArgument, int changeType) throws CoreException {
55         Map JavaDoc attributes= getAttributes();
56         BreakpointUtils.addJavaBreakpointAttributes(attributes, newType);
57         ISourceRange range= newType.getNameRange();
58         int charStart= -1;
59         int charEnd= -1;
60         if (range != null) {
61             charStart= range.getOffset();
62             charEnd= charStart + range.getLength();
63         }
64         // create the new breakpoint
65 IJavaClassPrepareBreakpoint newClassPrepareBreakpoint= JDIDebugModel.createClassPrepareBreakpoint(
66                 BreakpointUtils.getBreakpointResource(newType),
67                 newType.getFullyQualifiedName(),
68                 fMemberType,
69                 charStart,
70                 charEnd,
71                 true,
72                 attributes);
73         // delete the old one
74 getBreakpoint().delete();
75         return new JavaClassPrepareBreakpointTypeChange(newClassPrepareBreakpoint, undoChangedElement, undoArgument, changeType);
76     }
77
78 }
79
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