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1
11 package org.eclipse.jdt.internal.corext.fix;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.text.edits.ReplaceEdit;
18 import org.eclipse.text.edits.TextEdit;
19 import org.eclipse.text.edits.TextEditGroup;
20
21 import org.eclipse.core.runtime.CoreException;
22 import org.eclipse.core.runtime.IStatus;
23
24 import org.eclipse.ltk.core.refactoring.CategorizedTextEditGroup;
25 import org.eclipse.ltk.core.refactoring.GroupCategory;
26 import org.eclipse.ltk.core.refactoring.GroupCategorySet;
27 import org.eclipse.ltk.core.refactoring.TextChange;
28
29 import org.eclipse.jdt.core.IBuffer;
30 import org.eclipse.jdt.core.ICompilationUnit;
31 import org.eclipse.jdt.core.JavaModelException;
32 import org.eclipse.jdt.core.compiler.IProblem;
33 import org.eclipse.jdt.core.dom.CompilationUnit;
34 import org.eclipse.jdt.core.formatter.IndentManipulation;
35
36 import org.eclipse.jdt.internal.corext.refactoring.changes.CompilationUnitChange;
37 import org.eclipse.jdt.internal.corext.refactoring.changes.TextChangeCompatibility;
38 import org.eclipse.jdt.internal.corext.refactoring.nls.NLSUtil;
39
40 import org.eclipse.jdt.ui.text.java.IProblemLocation;
41
42 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
43 import org.eclipse.jdt.internal.ui.text.correction.ProblemLocation;
44
45
52 public class StringFix implements IFix {
53
54 private final TextEditGroup[] fEditGroups;
55 private final String fName;
56 private final ICompilationUnit fCompilationUnit;
57
58 public static StringFix createFix(CompilationUnit compilationUnit, IProblemLocation problem, boolean removeNLSTag, boolean addNLSTag) throws CoreException {
59 TextEdit addEdit= null;
60 ICompilationUnit cu= (ICompilationUnit)compilationUnit.getJavaElement();
61 if (addNLSTag) {
62 addEdit= NLSUtil.createNLSEdit(cu, problem.getOffset());
63 }
64 ReplaceEdit removeEdit= null;
65 if (removeNLSTag) {
66 IBuffer buffer= cu.getBuffer();
67 if (buffer != null) {
68 removeEdit= getReplace(problem.getOffset(), problem.getLength(), buffer, true);
69 }
70 }
71
72 if (addEdit != null && removeEdit != null) {
73 String label= FixMessages.StringFix_AddRemoveNonNls_description;
74 return new StringFix(label, compilationUnit, new TextEditGroup[] {new TextEditGroup(label, addEdit), new TextEditGroup(label, removeEdit)});
75 } else if (addEdit != null) {
76 String label= FixMessages.StringFix_AddNonNls_description;
77 return new StringFix(label, compilationUnit, new TextEditGroup[] {new TextEditGroup(label, addEdit)});
78 } else if (removeEdit != null) {
79 String label= FixMessages.StringFix_RemoveNonNls_description;
80 return new StringFix(label, compilationUnit, new TextEditGroup[] {new TextEditGroup(label, removeEdit)});
81 } else {
82 return null;
83 }
84 }
85
86 public static IFix createCleanUp(CompilationUnit compilationUnit, boolean addNLSTag, boolean removeNLSTag) throws CoreException, JavaModelException {
87 if (!addNLSTag && !removeNLSTag)
88 return null;
89
90 IProblem[] problems= compilationUnit.getProblems();
91 IProblemLocation[] locations= new IProblemLocation[problems.length];
92 for (int i= 0; i < problems.length; i++) {
93 locations[i]= new ProblemLocation(problems[i]);
94 }
95 return createCleanUp(compilationUnit, addNLSTag, removeNLSTag, locations);
96 }
97
98 public static IFix createCleanUp(CompilationUnit compilationUnit, IProblemLocation[] problems, boolean addNLSTag, boolean removeNLSTag) throws CoreException, JavaModelException {
99 if (!addNLSTag && !removeNLSTag)
100 return null;
101
102 return createCleanUp(compilationUnit, addNLSTag, removeNLSTag, problems);
103 }
104
105 private static IFix createCleanUp(CompilationUnit compilationUnit, boolean addNLSTag, boolean removeNLSTag, IProblemLocation[] problems) throws CoreException, JavaModelException {
106 ICompilationUnit cu= (ICompilationUnit)compilationUnit.getJavaElement();
107 List result= new ArrayList ();
108
109 List missingNLSProblems= new ArrayList ();
110 for (int i= 0; i < problems.length; i++) {
111 IProblemLocation problem= problems[i];
112 if (addNLSTag && problem.getProblemId() == IProblem.NonExternalizedStringLiteral) {
113 missingNLSProblems.add(problem);
114 }
115 if (removeNLSTag && problem.getProblemId() == IProblem.UnnecessaryNLSTag) {
116 IBuffer buffer= cu.getBuffer();
117 if (buffer != null) {
118 TextEdit edit= StringFix.getReplace(problem.getOffset(), problem.getLength(), buffer, false);
119 if (edit != null) {
120 String label= FixMessages.StringFix_RemoveNonNls_description;
121 result.add(new CategorizedTextEditGroup(label, edit, new GroupCategorySet(new GroupCategory(label, label, label))));
122 }
123 }
124 }
125 }
126 if (!missingNLSProblems.isEmpty()) {
127 int[] positions= new int[missingNLSProblems.size()];
128 int i=0;
129 for (Iterator iter= missingNLSProblems.iterator(); iter.hasNext();) {
130 IProblemLocation problem= (IProblemLocation)iter.next();
131 positions[i]= problem.getOffset();
132 i++;
133 }
134 TextEdit[] edits= NLSUtil.createNLSEdits(cu, positions);
135 if (edits != null) {
136 for (int j= 0; j < edits.length; j++) {
137 String label= FixMessages.StringFix_AddNonNls_description;
138 result.add(new CategorizedTextEditGroup(label, edits[j], new GroupCategorySet(new GroupCategory(label, label, label))));
139 }
140 }
141 }
142 if (result.isEmpty())
143 return null;
144
145 return new StringFix("", compilationUnit, (TextEditGroup[])result.toArray(new TextEditGroup[result.size()])); }
147
148 private static ReplaceEdit getReplace(int offset, int length, IBuffer buffer, boolean removeLeadingIndents) {
149
150 String replaceString= new String ();
151 boolean hasMoreInComment= false;
152
153 int next= offset + length;
155 while (next < buffer.getLength()) {
156 char ch= buffer.getChar(next);
157 if (IndentManipulation.isIndentChar(ch)) {
158 next++; } else if (IndentManipulation.isLineDelimiterChar(ch)) {
160 length= next - offset;
161 break;
162 } else if (ch == '/') {
163 next++;
164 if (next == buffer.getLength() || buffer.getChar(next) != '/') {
165 replaceString= "//"; } else {
167 length= next - offset - 1;
168 }
169 hasMoreInComment= true;
170 break;
171 } else {
172 replaceString= "//"; hasMoreInComment= true;
174 break;
175 }
176 }
177 if (!hasMoreInComment && removeLeadingIndents) {
178 while (offset > 0 && IndentManipulation.isIndentChar(buffer.getChar(offset - 1))) {
179 offset--;
180 length++;
181 }
182 }
183 if (length > 0) {
184 ReplaceEdit replaceEdit= new ReplaceEdit(offset, length, replaceString);
185 return replaceEdit;
186 } else {
187 return null;
188 }
189 }
190
191 private StringFix(String name, CompilationUnit compilationUnit, TextEditGroup[] groups) {
192 fName= name;
193 fCompilationUnit= (ICompilationUnit)compilationUnit.getJavaElement();
194 fEditGroups= groups;
195 }
196
197
200 public TextChange createChange() throws CoreException {
201 if (fEditGroups == null || fEditGroups.length == 0)
202 return null;
203
204 CompilationUnitChange result= new CompilationUnitChange(getDescription(), getCompilationUnit());
205 for (int i= 0; i < fEditGroups.length; i++) {
206 TextEdit[] edits= fEditGroups[i].getTextEdits();
207 String groupName= fEditGroups[i].getName();
208 for (int j= 0; j < edits.length; j++) {
209 TextChangeCompatibility.addTextEdit(result, groupName, edits[j]);
210 }
211 }
212 return result;
213 }
214
215
218 public String getDescription() {
219 return fName;
220 }
221
222
225 public ICompilationUnit getCompilationUnit() {
226 return fCompilationUnit;
227 }
228
229
232 public IStatus getStatus() {
233 return StatusInfo.OK_STATUS;
234 }
235 }
236 |
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