Beispiel #1
0
  /**
   * Retrieves the specified value. Throws an error if value cannot be read.
   *
   * @param key key
   * @param c expected type
   * @return result
   */
  private Object get(final Object[] key, final Class<?> c) {
    final Object entry = props.get(key[0].toString());
    if (entry == null) Util.notexpected("Property " + key[0] + " not defined.");

    final Class<?> cc = entry.getClass();
    if (c != cc) Util.notexpected("Property '" + key[0] + "' is a " + Util.name(cc));
    return entry;
  }
Beispiel #2
0
  /**
   * Sets the specified value after casting it to the correct type.
   *
   * @param key key
   * @param val value
   * @return final value, or {@code null} if the key has not been found
   */
  public final synchronized String set(final String key, final String val) {
    final Object type = get(key);
    if (type == null) return null;

    String v = val;
    if (type instanceof Boolean) {
      final boolean b = val == null || val.isEmpty() ? !((Boolean) type) : Util.yes(val);
      setObject(key, b);
      v = Util.flag(b);
    } else if (type instanceof Integer) {
      setObject(key, Integer.parseInt(val));
      v = String.valueOf(get(key));
    } else if (type instanceof String) {
      setObject(key, val);
    } else {
      Util.notexpected("Unknown property type: " + type.getClass().getSimpleName());
    }
    return v;
  }
Beispiel #3
0
 /** Constructor, initializing the default options. */
 protected AProp() {
   try {
     for (final Field f : getClass().getFields()) {
       final Object obj = f.get(null);
       if (!(obj instanceof Object[])) continue;
       final Object[] arr = (Object[]) obj;
       props.put(arr[0].toString(), arr[1]);
     }
   } catch (final Exception ex) {
     Util.notexpected(ex);
   }
 }
Beispiel #4
0
  /**
   * Reads the configuration file and initializes the project properties. The file is located in the
   * project home directory.
   *
   * @param prop property file extension
   */
  protected synchronized void read(final String prop) {
    file = new IOFile(HOME + IO.BASEXSUFFIX + prop);

    final StringList read = new StringList();
    final TokenBuilder err = new TokenBuilder();
    if (!file.exists()) {
      err.addExt("Saving properties in \"%\"..." + NL, file);
    } else {
      BufferedReader br = null;
      try {
        br = new BufferedReader(new FileReader(file.file()));
        for (String line; (line = br.readLine()) != null; ) {
          line = line.trim();
          if (line.isEmpty() || line.charAt(0) == '#') continue;
          final int d = line.indexOf('=');
          if (d < 0) {
            err.addExt("%: \"%\" ignored. " + NL, file, line);
            continue;
          }

          final String val = line.substring(d + 1).trim();
          String key = line.substring(0, d).trim();

          // extract numeric value in key
          int num = 0;
          final int ss = key.length();
          for (int s = 0; s < ss; ++s) {
            if (Character.isDigit(key.charAt(s))) {
              num = Integer.parseInt(key.substring(s));
              key = key.substring(0, s);
              break;
            }
          }
          read.add(key);

          final Object entry = props.get(key);
          if (entry == null) {
            err.addExt("%: \"%\" not found. " + NL, file, key);
          } else if (entry instanceof String) {
            props.put(key, val);
          } else if (entry instanceof Integer) {
            props.put(key, Integer.parseInt(val));
          } else if (entry instanceof Boolean) {
            props.put(key, Boolean.parseBoolean(val));
          } else if (entry instanceof String[]) {
            if (num == 0) {
              props.put(key, new String[Integer.parseInt(val)]);
            } else {
              ((String[]) entry)[num - 1] = val;
            }
          } else if (entry instanceof int[]) {
            ((int[]) entry)[num] = Integer.parseInt(val);
          }
        }
      } catch (final Exception ex) {
        err.addExt("% could not be parsed." + NL, file);
        Util.debug(ex);
      } finally {
        if (br != null)
          try {
            br.close();
          } catch (final IOException ex) {
          }
      }
    }

    // check if all mandatory files have been read
    try {
      if (err.isEmpty()) {
        boolean ok = true;
        for (final Field f : getClass().getFields()) {
          final Object obj = f.get(null);
          if (!(obj instanceof Object[])) continue;
          final String key = ((Object[]) obj)[0].toString();
          ok &= read.contains(key);
        }
        if (!ok) err.addExt("Saving properties in \"%\"..." + NL, file);
      }
    } catch (final IllegalAccessException ex) {
      Util.notexpected(ex);
    }

    if (!err.isEmpty()) {
      Util.err(err.toString());
      write();
    }
  }
Beispiel #5
0
 /**
  * Returns an error string for an unknown key.
  *
  * @param key key
  * @return error string
  */
 public final synchronized String unknown(final String key) {
   final String sim = similar(key);
   return Util.info(sim != null ? Text.UNKNOWN_OPT_SIMILAR_X_X : Text.UNKNOWN_OPTION_X, key, sim);
 }
Beispiel #6
0
  /** Writes the properties to disk. */
  public final synchronized void write() {
    final StringBuilder user = new StringBuilder();
    BufferedReader br = null;
    try {
      // caches options specified by the user
      if (file.exists()) {
        br = new BufferedReader(new FileReader(file.file()));
        for (String line; (line = br.readLine()) != null; ) {
          if (line.equals(PROPUSER)) break;
        }
        for (String line; (line = br.readLine()) != null; ) {
          user.append(line).append(NL);
        }
      }
    } catch (final Exception ex) {
      Util.debug(ex);
    } finally {
      if (br != null)
        try {
          br.close();
        } catch (final IOException e) {
        }
    }

    BufferedWriter bw = null;
    try {
      bw = new BufferedWriter(new FileWriter(file.file()));
      bw.write(PROPHEADER + NL);

      for (final Field f : getClass().getFields()) {
        final Object obj = f.get(null);
        if (!(obj instanceof Object[])) continue;
        final String key = ((Object[]) obj)[0].toString();

        final Object val = props.get(key);
        if (val instanceof String[]) {
          final String[] str = (String[]) val;
          bw.write(key + " = " + str.length + NL);
          final int is = str.length;
          for (int i = 0; i < is; ++i) {
            if (str[i] != null) bw.write(key + (i + 1) + " = " + str[i] + NL);
          }
        } else if (val instanceof int[]) {
          final int[] num = (int[]) val;
          final int ns = num.length;
          for (int i = 0; i < ns; ++i) {
            bw.write(key + i + " = " + num[i] + NL);
          }
        } else {
          bw.write(key + " = " + val + NL);
        }
      }
      bw.write(NL + PROPUSER + NL);
      bw.write(user.toString());
    } catch (final Exception ex) {
      Util.errln("% could not be written.", file);
      Util.debug(ex);
    } finally {
      if (bw != null)
        try {
          bw.close();
        } catch (final IOException e) {
        }
    }
  }