| """A rule for inferring a java package name.""" |
| |
| _JAVA_ROOTS = [ |
| "javatests/", |
| "javatest/", |
| "java/", |
| ] |
| |
| def infer_java_package_name(): |
| """Infer a java package name based on current path below 'javatests' or 'java'""" |
| return _infer_java_package_name_from_path(native.package_name()) |
| |
| def infer_java_package_name_from_label(label): |
| package_path = _get_path_from_label(label) |
| return _infer_java_package_name_from_path(package_path) |
| |
| def _infer_java_package_name_from_path(package_path): |
| for root in _JAVA_ROOTS: |
| if root in package_path: |
| root_index = package_path.rindex(root) + len(root) |
| return package_path[root_index:].replace("/", ".") |
| fail("Could not find one of java roots %s in %s" % (_JAVA_ROOTS, package_path)) |
| |
| def _get_path_from_label(label_string): |
| label_string = label_string.split(":")[0] |
| if not label_string.startswith("//"): |
| label_string = "//%s%s" % (native.package_name(), label_string) |
| return label_string |
