コード例 #1
0
  /**
   * Extracts the root directory for a class file.
   *
   * <p>Class Path = directory + package + class name + .class (in every form, with jars, without,
   * etc.) Full Class Name = package + class name + .class
   *
   * @param classPath
   * @return
   */
  static String getClassRootDirectory(String classPath, String fullClassName) {

    System.out.println("Class Path : " + classPath);

    classPath = UrlUtils.decode(classPath);

    // Find ending trim location...

    if (classPath.contains("!")) {

      // A jar file (in format 'directory/jarfile.jar!package/className.class'):

      classPath = StringUtils.toLeftOf(classPath, "!"); // Remove '!package/classname.class'
      classPath = StringUtils.toLeftOfLast(classPath, "/"); // Remove jar name.
    } else {

      // A class file ('appdir/package/className.class'):

      classPath =
          classPath.substring(
              0,
              classPath.length()
                  - fullClassName.length()
                  - 7); // -1 for '.' in front of class name, -6 for .class
    }

    if (classPath.contains("file:")) {
      classPath = classPath.substring(5);
    }

    return classPath;
  }
コード例 #2
0
  /**
   * Returns the application directory. Important: The method getAppDir (Class) has to be called
   * first.
   *
   * @return
   */
  public static String getAppDirectory() {

    // Return the directory the application executable / source is located.

    //////////////////////////////////////////////////////////////////
    // Declarations:
    //////////////////////////////////////////////////////////////////

    String className = null;
    URL classUrl = null;
    String directoryName = null;

    int trimStart = 0;
    int trimEnd = 0;

    OSProperties osProps;

    //////////////////////////////////////////////////////////////////
    // Code:
    //////////////////////////////////////////////////////////////////

    osProps = OSPropertiesFactory.getInstance();

    className = getApplicationClass().getSimpleName() + ".class";
    classUrl = getApplicationClass().getResource(className);
    directoryName = classUrl.getPath();

    // System.out.println ("class path: " + directoryName);
    // System.out.println ("class name: " + getApplicationClass().getName());

    // Find starting trim location...

    if (osProps.isOSWindows()) {
      if (directoryName.contains(":")) {

        // Contains URL Descriptor. Remove it.
        trimStart = directoryName.lastIndexOf(':') - 1;
      } else {
        // Remove leading '/'.
        trimStart = 1;
      }
    }

    // Find ending trim location...

    if (directoryName.contains("!")) {

      // Is in a jar file.

      // Find '!' location in name...

      trimEnd = directoryName.indexOf('!');

      // Find previous '/'.

      trimEnd = directoryName.lastIndexOf('/', trimEnd - 1);

    } else {

      // should be a file.

      // Trim to class name.

      // trimEnd = directoryName.length() - getApplicationClass().getName().length() - 7;
      trimEnd = directoryName.length() - 7;
    }

    // Trim and format directory...

    /*
     * Debug - Delete if no problems found.
     *

    System.out.println (directoryName);
    System.out.println (getApplicationClass().getName());
    System.out.println (trimStart);
    System.out.println (trimEnd);

    */

    directoryName = directoryName.substring(trimStart, trimEnd);
    directoryName = UrlUtils.decode(directoryName);

    // Change the correct slashes...
    directoryName = osProps.formatPath(directoryName);

    return directoryName;
  }