| # |
| # Utilites for working with java versions |
| # |
| |
| # Get numeric java version from `java -version` output e.g: |
| # |
| # openjdk version "11.0.9" 2020-10-20 |
| # OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.9+11) |
| # OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.9+11, mixed mode) |
| # |
| def parse_java_version(java_version_output): |
| # Look for 'version "x.y.z"' in the output' |
| if len(java_version_output.split("version ")) > 1: |
| java_version = java_version_output.split("version ")[1].partition("\n")[0].split(" ")[0].replace("\"", "") |
| else: |
| return None |
| |
| if not java_version: |
| return None |
| elif "." not in java_version: |
| return int(java_version) |
| elif java_version.startswith("1."): |
| return int(java_version.split(".")[1]) |
| else: |
| return int(java_version.split(".")[0]) |
| |
| return None |
| |
| # Build the contents of a java Command-Line Argument File from a list of |
| # arguments. |
| # |
| # This quotes all arguments (and escapes all quotation marks in arguments) so |
| # that arguments containing white space are treated as single arguments. |
| def build_java_argsfile_content(args): |
| return "\n".join(['"' + str(f).replace('"', r'\"') + '"' for f in args]) + "\n" |
