private RefactoringStatus checkAccessorDeclarations(IProgressMonitor pm, IMethod existingAccessor)
throws CoreException {
RefactoringStatus result = new RefactoringStatus();
SearchPattern pattern =
SearchPattern.createPattern(
existingAccessor,
IJavaSearchConstants.DECLARATIONS,
SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE);
IJavaSearchScope scope = SearchEngine.createHierarchyScope(fField.getDeclaringType());
SearchResultGroup[] groupDeclarations =
RefactoringSearchEngine.search(pattern, scope, pm, result);
Assert.isTrue(groupDeclarations.length > 0);
if (groupDeclarations.length != 1) {
String message =
Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_overridden,
JavaElementUtil.createMethodSignature(existingAccessor));
result.addError(message);
} else {
SearchResultGroup group = groupDeclarations[0];
Assert.isTrue(group.getSearchResults().length > 0);
if (group.getSearchResults().length != 1) {
String message =
Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_overridden_or_overrides,
JavaElementUtil.createMethodSignature(existingAccessor));
result.addError(message);
}
}
return result;
}
private RefactoringStatus checkNewAccessor(IMethod existingAccessor, String newAccessorName)
throws CoreException {
RefactoringStatus result = new RefactoringStatus();
IMethod accessor =
JavaModelUtil.findMethod(
newAccessorName,
existingAccessor.getParameterTypes(),
false,
fField.getDeclaringType());
if (accessor == null || !accessor.exists()) return null;
String message =
Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_already_exists,
new String[] {
JavaElementUtil.createMethodSignature(accessor),
BasicElementLabels.getJavaElementName(
fField.getDeclaringType().getFullyQualifiedName('.'))
});
result.addError(message, JavaStatusContext.create(accessor));
return result;
}