public CaliperConfig loadOrCreate() throws InvalidConfigurationException {
File configFile = options.caliperConfigFile();
ImmutableMap<String, String> defaults;
try {
defaults =
Util.loadProperties(
Util.resourceSupplier(CaliperConfig.class, "global-config.properties"));
} catch (IOException impossible) {
throw new AssertionError(impossible);
}
// TODO(kevinb): deal with migration issue from old-style .caliperrc
if (configFile.exists()) {
try {
ImmutableMap<String, String> user = Util.loadProperties(Files.asByteSource(configFile));
return new CaliperConfig(mergeProperties(options.configProperties(), user, defaults));
} catch (IOException keepGoing) {
}
}
ByteSource supplier = Util.resourceSupplier(CaliperConfig.class, "default-config.properties");
tryCopyIfNeeded(supplier, configFile);
ImmutableMap<String, String> user;
try {
user = Util.loadProperties(supplier);
} catch (IOException e) {
throw new AssertionError(e); // class path must be messed up
}
return new CaliperConfig(mergeProperties(options.configProperties(), user, defaults));
}
