How to use

length

method

in

us.monoid.json.JSONArray

/**
 * Get the optional object value associated with an index.
 * 
 * @param index
 *          The index must be between 0 and length() - 1.
 * @return An object value, or null if there is no object at that index.
 */
public Object opt(int index) {
  return (index < 0 || index >= length()) ? null : this.myArrayList.get(index);
}

/**
 * Get the optional object value associated with an index.
 * 
 * @param index
 *          The index must be between 0 and length() - 1.
 * @return An object value, or null if there is no object at that index.
 */
public Object opt(int index) {
  return (index < 0 || index >= length()) ? null : this.myArrayList.get(index);
}

/**
 * Make a string from the contents of this JSONArray. The
 * <code>separator</code> string is inserted between each element. Warning:
 * This method assumes that the data structure is acyclical.
 * 
 * @param separator
 *          A string that will be inserted between the elements.
 * @return a string.
 * @throws JSONException
 *           If the array contains an invalid number.
 */
public String join(String separator) throws JSONException {
  int len = length();
  StringBuffer sb = new StringBuffer();
  for (int i = 0; i < len; i += 1) {
    if (i > 0) {
      sb.append(separator);
    }
    sb.append(JSONObject.valueToString(this.myArrayList.get(i)));
  }
  return sb.toString();
}

/**
 * Make a string from the contents of this JSONArray. The
 * <code>separator</code> string is inserted between each element. Warning:
 * This method assumes that the data structure is acyclical.
 * 
 * @param separator
 *          A string that will be inserted between the elements.
 * @return a string.
 * @throws JSONException
 *           If the array contains an invalid number.
 */
public String join(String separator) throws JSONException {
  int len = length();
  StringBuffer sb = new StringBuffer();
  for (int i = 0; i < len; i += 1) {
    if (i > 0) {
      sb.append(separator);
    }
    sb.append(JSONObject.valueToString(this.myArrayList.get(i)));
  }
  return sb.toString();
}

for (int i = 0; i < ja.length(); i += 1) {
  if (i > 0) {
    sb.append(',');

private JSONObject getLatestClassificationObjectOnBranch(String branchPath) throws RestClientException {
  final String classificationsUrl = urlHelper.getClassificationsUrl(branchPath);
  try {
    final JSONArray items = getItems(classificationsUrl);
    if (items != null && items.length() > 0) {
      return items.getJSONObject(items.length() - 1);
    }
    return null;
  } catch (Exception e) {
    throw new RestClientException("Failed to retrieve list of classifications.", e);
  }
}

/**
 * Produce a JSONObject by combining a JSONArray of names with the values of
 * this JSONArray.
 * 
 * @param names
 *          A JSONArray containing a list of key strings. These will be paired
 *          with the values.
 * @return A JSONObject, or null if there are no names or if this JSONArray
 *         has no values.
 * @throws JSONException
 *           If any of the names are null.
 */
public JSONObject toJSONObject(JSONArray names) throws JSONException {
  if (names == null || names.length() == 0 || length() == 0) {
    return null;
  }
  JSONObject jo = new JSONObject();
  for (int i = 0; i < names.length(); i += 1) {
    jo.put(names.getString(i), this.opt(i));
  }
  return jo;
}

/**
 * Produce a JSONObject by combining a JSONArray of names with the values of
 * this JSONArray.
 * 
 * @param names
 *          A JSONArray containing a list of key strings. These will be paired
 *          with the values.
 * @return A JSONObject, or null if there are no names or if this JSONArray
 *         has no values.
 * @throws JSONException
 *           If any of the names are null.
 */
public JSONObject toJSONObject(JSONArray names) throws JSONException {
  if (names == null || names.length() == 0 || length() == 0) {
    return null;
  }
  JSONObject jo = new JSONObject();
  for (int i = 0; i < names.length(); i += 1) {
    jo.put(names.getString(i), this.opt(i));
  }
  return jo;
}

  /**
   * Produce a comma delimited text from a JSONArray of JSONObjects using
   * a provided list of names. The list of names is not included in the
   * output.
   * @param names A JSONArray of strings.
   * @param ja A JSONArray of JSONObjects.
   * @return A comma delimited text.
   * @throws JSONException
   */
  public static String toString(JSONArray names, JSONArray ja)
      throws JSONException {
    if (names == null || names.length() == 0) {
      return null;
    }
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < ja.length(); i += 1) {
      JSONObject jo = ja.optJSONObject(i);
      if (jo != null) {
        sb.append(rowToString(jo.toJSONArray(names)));
      }
    }
    return sb.toString();
  }
}

  /**
   * Produce a comma delimited text from a JSONArray of JSONObjects using
   * a provided list of names. The list of names is not included in the
   * output.
   * @param names A JSONArray of strings.
   * @param ja A JSONArray of JSONObjects.
   * @return A comma delimited text.
   * @throws JSONException
   */
  public static String toString(JSONArray names, JSONArray ja)
      throws JSONException {
    if (names == null || names.length() == 0) {
      return null;
    }
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < ja.length(); i += 1) {
      JSONObject jo = ja.optJSONObject(i);
      if (jo != null) {
        sb.append(rowToString(jo.toJSONArray(names)));
      }
    }
    return sb.toString();
  }
}

public List<String> retrieveValidationStatuses(List<String> branchPaths) throws Exception {
  StringBuilder url = new StringBuilder(orchestrationUrl + VALIDATIONS_ENDPOINT + "/bulk/latest/statuses");
  url.append("?paths=");
  boolean first = true;
  for (String branchPath : branchPaths) {
    if (!first) {
      url.append(",");
    } else {
      first = false;
    }
    url.append(branchPath);
  }
  final JSONResource resource = getResource(url.toString());
  if (resource == null) {
    return null;
  }
  final JSONArray array = resource.array();
  List<String> statuses = new ArrayList<>();
  for (int a = 0; a < array.length(); a++) {
    final String string = array.getString(a);
    statuses.add(!string.equals("null") ? string : null);
  }
  return statuses;
}

/**
 * Produce a JSONArray containing the names of the elements of this
 * JSONObject.
 * 
 * @return A JSONArray containing the key strings, or null if the JSONObject
 *         is empty.
 */
public JSONArray names() {
  JSONArray ja = new JSONArray();
  Iterator<String> keys = keys();
  while (keys.hasNext()) {
    ja.put(keys.next());
  }
  return ja.length() == 0 ? null : ja;
}

/**
 * Produce a JSONArray of JSONObjects from a comma delimited text string
 * using a supplied JSONArray as the source of element names.
 * @param names A JSONArray of strings.
 * @param x A JSONTokener of the source text.
 * @return A JSONArray of JSONObjects.
 * @throws JSONException
 */
public static JSONArray toJSONArray(JSONArray names, JSONTokener x)
    throws JSONException {
  if (names == null || names.length() == 0) {
    return null;
  }
  JSONArray ja = new JSONArray();
  for (;;) {
    JSONObject jo = rowToJSONObject(names, x);
    if (jo == null) {
      break;
    }
    ja.put(jo);
  }
  if (ja.length() == 0) {
    return null;
  }
  return ja;
}

/**
 * Produce a JSONArray containing the names of the elements of this
 * JSONObject.
 * 
 * @return A JSONArray containing the key strings, or null if the JSONObject
 *         is empty.
 */
public JSONArray names() {
  JSONArray ja = new JSONArray();
  Iterator<String> keys = keys();
  while (keys.hasNext()) {
    ja.put(keys.next());
  }
  return ja.length() == 0 ? null : ja;
}

/**
 * Produce a JSONArray of JSONObjects from a comma delimited text string
 * using a supplied JSONArray as the source of element names.
 * @param names A JSONArray of strings.
 * @param x A JSONTokener of the source text.
 * @return A JSONArray of JSONObjects.
 * @throws JSONException
 */
public static JSONArray toJSONArray(JSONArray names, JSONTokener x)
    throws JSONException {
  if (names == null || names.length() == 0) {
    return null;
  }
  JSONArray ja = new JSONArray();
  for (;;) {
    JSONObject jo = rowToJSONObject(names, x);
    if (jo == null) {
      break;
    }
    ja.put(jo);
  }
  if (ja.length() == 0) {
    return null;
  }
  return ja;
}

/**
 * Produce a JSONArray containing the values of the members of this
 * JSONObject.
 * 
 * @param names
 *          A JSONArray containing a list of key strings. This determines the
 *          sequence of the values in the result.
 * @return A JSONArray of values.
 * @throws JSONException
 *           If any of the values are non-finite numbers.
 */
public JSONArray toJSONArray(JSONArray names) throws JSONException {
  if (names == null || names.length() == 0) {
    return null;
  }
  JSONArray ja = new JSONArray();
  for (int i = 0; i < names.length(); i += 1) {
    ja.put(this.opt(names.getString(i)));
  }
  return ja;
}

/**
 * Produce a JSONArray containing the values of the members of this
 * JSONObject.
 * 
 * @param names
 *          A JSONArray containing a list of key strings. This determines the
 *          sequence of the values in the result.
 * @return A JSONArray of values.
 * @throws JSONException
 *           If any of the values are non-finite numbers.
 */
public JSONArray toJSONArray(JSONArray names) throws JSONException {
  if (names == null || names.length() == 0) {
    return null;
  }
  JSONArray ja = new JSONArray();
  for (int i = 0; i < names.length(); i += 1) {
    ja.put(this.opt(names.getString(i)));
  }
  return ja;
}

public List<Vehicle> queryVehicles() {
  List<Vehicle> list = new ArrayList<>(2);
  try {
    JSONResource r = api.json(apiEndpoint("vehicles"));
    JSONArray rawVehicleData = r.object().getJSONArray("response");
    int numVehicles = rawVehicleData.length();
    for (int i = 0; i < numVehicles; i++) {
      Vehicle vehicle = new Vehicle(this, rawVehicleData.getJSONObject(i));
      list.add(vehicle);
    }
  } catch (IOException | JSONException ex) {
    logger.warning("Problem fetching vehicle list: " + ex);
  }
  return list;
}

char c = x.next();
if (value == null || 
    (ja.length() == 0 && value.length() == 0 && c != ',')) {
  return null;

@Override
public List<IMetadata> search(String query, String authorityId) {
  ArrayList<IMetadata> ret = new ArrayList<IMetadata>();
  try {
    JSONResource res = new Resty().json(getSearchURL(query));
    JSONArray ares = res.array();
    // JSONArray ares = (JSONArray) res.get("results");
    for (int i = 0; i < ares.length(); i++) {
      JSONObject ores = (JSONObject) ares.get(i);
      if (ores != null) {
        Object rank = ores.get("rank");
        if (!rankOK(rank))
          continue;
        Metadata md = new Metadata();
        md.put("ID", ores.get("speciesKey"));
        md.put("Label", ores.get("canonicalName"));
        ret.add(md);
      }
    }
  } catch (Exception e) {
  }
  return ret;
}