public RefactoringStatus initialize(final RefactoringArguments arguments) {
if (arguments instanceof JavaRefactoringArguments) {
final JavaRefactoringArguments extended = (JavaRefactoringArguments) arguments;
final String selection = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_SELECTION);
if (selection != null) {
int offset = -1;
int length = -1;
final StringTokenizer tokenizer = new StringTokenizer(selection);
if (tokenizer.hasMoreTokens()) offset = Integer.valueOf(tokenizer.nextToken()).intValue();
if (tokenizer.hasMoreTokens()) length = Integer.valueOf(tokenizer.nextToken()).intValue();
if (offset >= 0 && length >= 0) {
fSelectionStart = offset;
fSelectionLength = length;
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_illegal_argument,
new Object[] {selection, JDTRefactoringDescriptor.ATTRIBUTE_SELECTION}));
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_SELECTION));
final String handle = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_INPUT);
if (handle != null) {
final IJavaScriptElement element =
JDTRefactoringDescriptor.handleToElement(extended.getProject(), handle, false);
if (element == null
|| !element.exists()
|| element.getElementType() != IJavaScriptElement.JAVASCRIPT_UNIT)
return createInputFatalStatus(element, IJavaScriptRefactorings.EXTRACT_CONSTANT);
else fCu = (IJavaScriptUnit) element;
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_INPUT));
final String visibility = extended.getAttribute(ATTRIBUTE_VISIBILITY);
if (visibility != null && !"".equals(visibility)) { // $NON-NLS-1$
int flag = 0;
try {
flag = Integer.parseInt(visibility);
} catch (NumberFormatException exception) {
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_VISIBILITY));
}
fVisibility = JdtFlags.getVisibilityString(flag);
}
final String name = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_NAME);
if (name != null && !"".equals(name)) // $NON-NLS-1$
fConstantName = name;
else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_NAME));
final String replace = extended.getAttribute(ATTRIBUTE_REPLACE);
if (replace != null) {
fReplaceAllOccurrences = Boolean.valueOf(replace).booleanValue();
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_REPLACE));
final String declareFinal = extended.getAttribute(ATTRIBUTE_QUALIFY);
if (declareFinal != null) {
fQualifyReferencesWithDeclaringClassName = Boolean.valueOf(declareFinal).booleanValue();
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_QUALIFY));
} else
return RefactoringStatus.createFatalErrorStatus(
RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments);
return new RefactoringStatus();
}
public Change createChange(IProgressMonitor monitor) throws CoreException {
final Map arguments = new HashMap();
String project = null;
IJavaScriptProject javaProject = fCu.getJavaScriptProject();
if (javaProject != null) project = javaProject.getElementName();
int flags =
JavaScriptRefactoringDescriptor.JAR_REFACTORING
| JavaScriptRefactoringDescriptor.JAR_SOURCE_ATTACHMENT;
if (JdtFlags.getVisibilityCode(fVisibility) != Modifier.PRIVATE)
flags |= RefactoringDescriptor.STRUCTURAL_CHANGE;
String pattern = ""; // $NON-NLS-1$
try {
pattern =
BindingLabelProvider.getBindingLabel(
getContainingTypeBinding(), JavaScriptElementLabels.ALL_FULLY_QUALIFIED)
+ "."; //$NON-NLS-1$
} catch (JavaScriptModelException exception) {
JavaScriptPlugin.log(exception);
}
final String expression = ASTNodes.asString(fSelectedExpression.getAssociatedExpression());
final String description =
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_descriptor_description_short,
fConstantName);
final String header =
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_descriptor_description,
new String[] {pattern + fConstantName, expression});
final JDTRefactoringDescriptorComment comment =
new JDTRefactoringDescriptorComment(project, this, header);
comment.addSetting(
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_constant_name_pattern,
fConstantName));
comment.addSetting(
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_constant_expression_pattern,
expression));
String visibility = fVisibility;
if ("".equals(visibility)) // $NON-NLS-1$
visibility = RefactoringCoreMessages.ExtractConstantRefactoring_default_visibility;
comment.addSetting(
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_visibility_pattern, visibility));
if (fReplaceAllOccurrences)
comment.addSetting(RefactoringCoreMessages.ExtractConstantRefactoring_replace_occurrences);
if (fQualifyReferencesWithDeclaringClassName)
comment.addSetting(RefactoringCoreMessages.ExtractConstantRefactoring_qualify_references);
final JDTRefactoringDescriptor descriptor =
new JDTRefactoringDescriptor(
IJavaScriptRefactorings.EXTRACT_CONSTANT,
project,
description,
comment.asString(),
arguments,
flags);
arguments.put(JDTRefactoringDescriptor.ATTRIBUTE_INPUT, descriptor.elementToHandle(fCu));
arguments.put(JDTRefactoringDescriptor.ATTRIBUTE_NAME, fConstantName);
arguments.put(
JDTRefactoringDescriptor.ATTRIBUTE_SELECTION,
new Integer(fSelectionStart).toString()
+ " "
+ new Integer(fSelectionLength).toString()); // $NON-NLS-1$
arguments.put(ATTRIBUTE_REPLACE, Boolean.valueOf(fReplaceAllOccurrences).toString());
arguments.put(
ATTRIBUTE_QUALIFY, Boolean.valueOf(fQualifyReferencesWithDeclaringClassName).toString());
arguments.put(
ATTRIBUTE_VISIBILITY, new Integer(JdtFlags.getVisibilityCode(fVisibility)).toString());
return new RefactoringDescriptorChange(
descriptor,
RefactoringCoreMessages.ExtractConstantRefactoring_name,
new Change[] {fChange});
}