/** this performs the refactoring */
protected void transform() {
File newFile = createInterfaceFile();
// Add declarations of the common methods to the interface
Vector methodSummaries = getMethodSummaries();
for (int i = 0; i < methodSummaries.size(); i++) {
MethodSummary ms = (MethodSummary) methodSummaries.elementAt(i);
m_complexTransform.add(new AddConcreteMethod(ms));
}
// Add necessary import statements to support parameter and return types
Iterator importTypes = getImportTypes(methodSummaries);
while ((importTypes != null) && (importTypes.hasNext())) {
TypeDeclSummary decl = (TypeDeclSummary) importTypes.next();
TypeSummary type = GetTypeSummary.query(decl);
// If the type is not found, don't attempt to add an import statement
if (type != null) {
m_complexTransform.add(new AddImportTransform(type));
}
}
m_complexTransform.apply(newFile, newFile);
/*
* Delete the backup file for the intermediate new interface file to
* ensure that an 'undo' does not recover it.
*/
newFile = new File(newFile.getAbsolutePath() + ".0");
newFile.delete();
addInterfaceToClasses();
}
/**
* Adds a class that will implement the new interface
*
* @param packageName The feature to be added to the ImplementingClass attribute
* @param className The feature to be added to the ImplementingClass attribute
*/
public void addImplementingClass(String packageName, String className) {
TypeSummary summary =
GetTypeSummary.query(PackageSummary.getPackageSummary(packageName), className);
addImplementingClass(summary);
}