}
// HACK: Extract the ParameterMappings embedded in jar and write them to a temp file
// This is terrible, confusing, and a total mess...
// I have no one to blame but myself...
JarReader reader = new JarReader(jar_file.getAbsolutePath());
for (String file : reader.getContentsFromJarfile()) {
if (file.endsWith(".mappings")) {
String contents = new String(JarReader.readFileFromJarAtURL(jar_file.getAbsolutePath(), file));
File copy = FileUtil.writeStringToTempFile(contents, "mappings", true);
this.params.put(PARAM_MAPPINGS, copy.toString());
break;