/** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(String separator) {
    return new Joiner(separator);
  }

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(char separator) {
    return new Joiner(String.valueOf(separator));
  }

  private final String separator;

   * the operating system's default line separator. This method is equivalent to {@code
   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */
  public void writeLines(Iterable<? extends CharSequence> lines) throws IOException {
    writeLines(lines, System.getProperty("line.separator"));
  }

  /**

                "WEB-INF" + File.separator + "env" + File.separator + getExecuteType() + File.separator + "lib" + File.separator);
        // WEB-INF/plugin
        appendJarFile(cpSeparator, buf, new File(servletContext.getRealPath("/WEB-INF/plugin")),
                "WEB-INF" + File.separator + "plugin" + File.separator);
        final File targetLibDir = new File(targetDir, "fess" + File.separator + "WEB-INF" + File.separator + "lib");

                "WEB-INF" + File.separator + "env" + File.separator + getExecuteType() + File.separator + "lib" + File.separator);
        // WEB-INF/plugin
        appendJarFile(cpSeparator, buf, new File(servletContext.getRealPath("/WEB-INF/plugin")),
                "WEB-INF" + File.separator + "plugin" + File.separator);
        final File targetLibDir = new File(targetDir, "fess" + File.separator + "WEB-INF" + File.separator + "lib");

                "WEB-INF" + File.separator + "env" + File.separator + getExecuteType() + File.separator + "lib" + File.separator);
        // WEB-INF/plugin
        appendJarFile(cpSeparator, buf, new File(servletContext.getRealPath("/WEB-INF/plugin")),
                "WEB-INF" + File.separator + "plugin" + File.separator);
        final File targetLibDir = new File(targetDir, "fess" + File.separator + "WEB-INF" + File.separator + "lib");

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(String separator) {
    return new Joiner(separator);
  }

  /** Returns a joiner which automatically places {@code separator} between consecutive elements. */
  public static Joiner on(char separator) {
    return new Joiner(String.valueOf(separator));
  }

  private final String separator;

    String separator = System.getProperty("line.separator");
    assertEquals("foo" + separator + "bar" + separator + "baz" + separator, sink.getString());
  }

  public void testWriteLines_stream() throws IOException {
    sink.writeLines(ImmutableList.of("foo", "bar", "baz").stream());
    String separator = LINE_SEPARATOR.value();

    testEncoding(encoding, decoded, encoded);

    // test separators work
    for (int sepLength = 3; sepLength <= 5; sepLength++) {
      for (String separator : ImmutableList.of(",", "\n", ";;", "")) {
        testEncoding(
            encoding.withSeparator(separator, sepLength),
            decoded,
            Joiner.on(separator).join(Splitter.fixedLength(sepLength).split(encoded)));
      }
    }
  }

  OS_ARCH("os.arch"),

  /** Operating system version. */
  OS_VERSION("os.version"),

  /** File separator ("/" on UNIX). */
  FILE_SEPARATOR("file.separator"),

  /** Path separator (":" on UNIX). */
  PATH_SEPARATOR("path.separator"),

  /** Line separator ("\n" on UNIX). */
  LINE_SEPARATOR("line.separator"),

  /** User's account name. */
  USER_NAME("user.name"),

  /** User's home directory. */

    }

    // Test getPyFilePath method
    public void test_getPyFilePath() {
        pythonJob.filename("test_script.py");

        String expectedPath = "WEB-INF" + File.separator + "env" + File.separator + "python" + File.separator + "resources" + File.separator
                + "test_script.py";
        assertEquals(expectedPath, pythonJob.getPyFilePath());
    }

    // Test getPyFilePath with directory traversal attempt