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1
11 package org.eclipse.jdt.internal.corext.refactoring.nls;
12
13 import org.eclipse.core.resources.IResource;
14 import org.eclipse.core.resources.ResourcesPlugin;
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.core.runtime.IPath;
17 import org.eclipse.core.runtime.IProgressMonitor;
18 import org.eclipse.core.runtime.IStatus;
19
20 import org.eclipse.jface.preference.IPreferenceStore;
21
22 import org.eclipse.jdt.core.ICompilationUnit;
23 import org.eclipse.jdt.core.IJavaElement;
24 import org.eclipse.jdt.core.IJavaProject;
25 import org.eclipse.jdt.core.IPackageFragment;
26 import org.eclipse.jdt.core.IPackageFragmentRoot;
27 import org.eclipse.jdt.core.JavaCore;
28 import org.eclipse.jdt.core.formatter.CodeFormatter;
29
30 import org.eclipse.jdt.ui.CodeGeneration;
31 import org.eclipse.jdt.ui.PreferenceConstants;
32
33 import org.eclipse.jdt.internal.corext.codemanipulation.ImportsStructure;
34 import org.eclipse.jdt.internal.corext.refactoring.nls.changes.CreateTextFileChange;
35 import org.eclipse.jdt.internal.corext.util.CodeFormatterUtil;
36 import org.eclipse.jdt.internal.corext.util.WorkingCopyUtil;
37 import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
38 import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings;
39
40 import org.eclipse.ltk.core.refactoring.Change;
41
42 class AccessorClass {
43
44 private final ICompilationUnit fCu;
45 private final String  fAccessorClassName;
46 private final IPath fAccessorPath;
47 private final IPath fResourceBundlePath;
48 private final IPackageFragment fAccessorPackage;
49
50 private static String lineDelim= System.getProperty("line.separator", "\n");
52 private AccessorClass(ICompilationUnit cu, String accessorClassname, IPath accessorPath, IPackageFragment accessorPackage, IPath resourceBundlePath) {
53 fCu= cu;
54 fAccessorClassName= accessorClassname;
55 fAccessorPath= accessorPath;
56 fAccessorPackage= accessorPackage;
57 fResourceBundlePath= resourceBundlePath;
58 }
59
60 public static Change create(ICompilationUnit cu, String accessorClassname, IPath accessorPath, IPackageFragment accessorPackage, IPath resourceBundlePath, IProgressMonitor pm) throws CoreException {
61 AccessorClass accessorClass= new AccessorClass(cu, accessorClassname, accessorPath, accessorPackage, resourceBundlePath);
62
63 return new CreateTextFileChange(accessorPath, accessorClass.createAccessorCUSource(pm), null, "java"); }
65
66 private String createAccessorCUSource(IProgressMonitor pm) throws CoreException {
67 return CodeFormatterUtil.format(CodeFormatter.K_COMPILATION_UNIT, getUnformattedSource(pm), 0, null, null, fCu.getJavaProject());
68 }
69
70 private String getUnformattedSource(IProgressMonitor pm) throws CoreException {
71 ICompilationUnit newCu= null;
72 try {
73 newCu= WorkingCopyUtil.getNewWorkingCopy(fAccessorPackage, fAccessorPath.lastSegment());
74
75 String comment= CodeGeneration.getTypeComment(newCu, fAccessorClassName, lineDelim);
76 String classContent= createClass();
77 String cuContent= CodeGeneration.getCompilationUnitContent(newCu, comment, classContent, lineDelim);
78 if (cuContent == null) {
79 StringBuffer buf= new StringBuffer ();
80 if (!fAccessorPackage.isDefaultPackage()) {
81 buf.append("package ").append(fAccessorPackage.getElementName()).append(';'); }
83 buf.append(lineDelim).append(lineDelim);
84 if (comment != null) {
85 buf.append(comment).append(lineDelim);
86 }
87 buf.append(classContent);
88 cuContent= buf.toString();
89 }
90
91 newCu.getBuffer().setContents(cuContent);
92 addImportsToAccessorCu(newCu, pm);
93 return newCu.getSource();
94 } finally {
95 if (newCu != null) {
96 newCu.discardWorkingCopy();
97 }
98 }
99 }
100
101 private void addImportsToAccessorCu(ICompilationUnit newCu, IProgressMonitor pm) throws CoreException {
102 IPreferenceStore store= PreferenceConstants.getPreferenceStore();
103 String [] order= JavaPreferencesSettings.getImportOrderPreference(store);
104 int importThreshold= JavaPreferencesSettings.getImportNumberThreshold(store);
105 ImportsStructure is= new ImportsStructure(newCu, order, importThreshold, true);
106 is.addImport("java.util.MissingResourceException"); is.addImport("java.util.ResourceBundle"); is.create(false, pm);
109 }
110
111 private String createClass() throws CoreException {
112 String ld= lineDelim; return "public class " + fAccessorClassName + " {" + "private static final String " + NLSRefactoring.BUNDLE_NAME + " = \"" + getResourceBundleName() + "\";" + NLSElement.createTagText(1) + ld + ld + "private static final ResourceBundle " + getResourceBundleConstantName() + "= ResourceBundle.getBundle(" + NLSRefactoring.BUNDLE_NAME + ");" + ld + ld + createConstructor() + ld + createGetStringMethod() + ld + "}" + ld; }
119
120 private String getResourceBundleConstantName() {
121 return "RESOURCE_BUNDLE"; }
123
124 private String createGetStringMethod() throws CoreException {
125 String bodyStatement= new StringBuffer ().append("try {").append(lineDelim) .append("return ") .append(getResourceBundleConstantName()).append(".getString(key);").append(lineDelim) .append("} catch (MissingResourceException e) {").append(lineDelim) .append("return '!' + key + '!';").append(lineDelim) .append("}").toString();
132 String methodBody= CodeGeneration.getMethodBodyContent(fCu, fAccessorClassName, "getString", false, bodyStatement, lineDelim);
134 if (methodBody == null) {
135 methodBody= ""; }
137 return "public static String getString(String key) {" + lineDelim + methodBody + lineDelim + '}';
139 }
140
141 private String createConstructor() {
142 return "private " + fAccessorClassName + "(){" + lineDelim + '}';
144 }
145
146
163
164 private String getPropertyFileName() {
165 return fResourceBundlePath.lastSegment();
166 }
167
168 private String getPropertyFileNameWithoutExtension() {
169 String fileName= getPropertyFileName();
170 return fileName.substring(0, fileName.indexOf(NLSRefactoring.PROPERTY_FILE_EXT));
171 }
172
173 private String getResourceBundleName() throws CoreException {
174 IResource res= ResourcesPlugin.getWorkspace().getRoot().findMember(fResourceBundlePath.removeLastSegments(1));
175 if (res != null && res.exists()) {
176 IJavaElement el= JavaCore.create(res);
177 if (el instanceof IPackageFragment) {
178 IPackageFragment p= (IPackageFragment) el;
179 return p.getElementName() + '.' + getPropertyFileNameWithoutExtension();
180 } else
181 if ((el instanceof IPackageFragmentRoot) || (el instanceof IJavaProject)) {
182 return getPropertyFileNameWithoutExtension();
183 }
184 }
185 throw new CoreException(new StatusInfo(IStatus.ERROR, "Resourcebundle not specified")); }
187 }
188 |
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