private static void readAndApplyProperties()

in src/main/java/com/intellij/rt/debugger/agent/DebuggerAgent.java [44:89]
40 lines of code
10 McCabe index (conditional complexity)

  private static void readAndApplyProperties(String args, Instrumentation instrumentation) {
    Properties properties = new Properties();
    if (args == null || args.isEmpty()) {
      initAll(instrumentation, properties);
      return;
    }
    // Parse "keep setting file" suffix: -javaagent:<path>/debugger-agent.jar=<uri-or-path-to-props>([keep])?
    String path;
    boolean keepSettings = false;
    String argsTrimmed = args.trim();
    if (argsTrimmed.endsWith(KEEP_SUFFIX)) {
      path = argsTrimmed.substring(0, argsTrimmed.length() - KEEP_SUFFIX.length()).trim();
      keepSettings = true;
    } else {
      path = argsTrimmed;
    }

    Path filePath = null;
    try {
      try {
        filePath = Paths.get(new URI(path));
      } catch (URISyntaxException ignored) {
        filePath = Paths.get(path);
      }
      try (InputStream stream = Files.newInputStream(filePath)) {
        // use ISO 8859-1 character encoding
        properties.load(stream);
      }
    } catch (Exception e) {
      System.out.println("Capture agent: unable to read settings");
      e.printStackTrace();
    }

    initAll(instrumentation, properties);

    // delete settings file only if it was read correctly
    boolean keep = keepSettings || !Boolean.parseBoolean(properties.getProperty("deleteSettings", "true"));
    if (!keep && filePath != null) {
      try {
        Files.deleteIfExists(filePath);
      } catch (IOException e) {
        System.out.println("Capture agent: could not delete settings file: " + filePath);
        e.printStackTrace();
      }
    }
  }