本文整理了Java中org.codehaus.jettison.json.JSONArray.getDouble()方法的一些代码示例，展示了JSONArray.getDouble()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JSONArray.getDouble()方法的具体详情如下：
包路径：org.codehaus.jettison.json.JSONArray
类名称：JSONArray
方法名：getDouble

JSONArray.getDouble介绍

[英]Get the double value associated with an index.
[中]获取与索引关联的双精度值。

代码示例

代码示例来源：origin: org.codehaus.jettison/jettison

/**
 * Get the optional double value associated with an index.
 * The defaultValue is returned if there is no value for the index,
 * or if the value is not a number and cannot be converted to a number.
 *
 * @param index subscript
 * @param defaultValue     The default value.
 * @return      The value.
 */
public double optDouble(int index, double defaultValue) {
  try {
    return getDouble(index);
  } catch (Exception e) {
    return defaultValue;
  }
}

代码示例来源：origin: org.codehaus.jettison/jettison

/**
 * Get the long value associated with an index.
 *
 * @param index The index must be between 0 and length() - 1.
 * @return      The value.
 * @throws   JSONException If the key is not found or if the value cannot
 *  be converted to a number.
 */
public long getLong(int index) throws JSONException {
  Object o = get(index);
  return o instanceof Number ?
      ((Number)o).longValue() : (long)getDouble(index);
}

代码示例来源：origin: org.codehaus.jettison/jettison

/**
 * Get the int value associated with an index.
 *
 * @param index The index must be between 0 and length() - 1.
 * @return      The value.
 * @throws   JSONException If the key is not found or if the value cannot
 *  be converted to a number.
 *  if the value cannot be converted to a number.
 */
public int getInt(int index) throws JSONException {
  Object o = get(index);
  return o instanceof Number ?
      ((Number)o).intValue() : (int)getDouble(index);
}

代码示例来源：origin: org.codehaus.jettison/com.springsource.org.codehaus.jettison

/**
 * Get the optional double value associated with an index.
 * The defaultValue is returned if there is no value for the index,
 * or if the value is not a number and cannot be converted to a number.
 *
 * @param index subscript
 * @param defaultValue     The default value.
 * @return      The value.
 */
public double optDouble(int index, double defaultValue) {
  try {
    return getDouble(index);
  } catch (Exception e) {
    return defaultValue;
  }
}

代码示例来源：origin: org.codehaus.jettison/com.springsource.org.codehaus.jettison

/**
 * Get the long value associated with an index.
 *
 * @param index The index must be between 0 and length() - 1.
 * @return      The value.
 * @throws   JSONException If the key is not found or if the value cannot
 *  be converted to a number.
 */
public long getLong(int index) throws JSONException {
  Object o = get(index);
  return o instanceof Number ?
      ((Number)o).longValue() : (long)getDouble(index);
}

代码示例来源：origin: org.apache.apex/malhar-library

@Override
public void setFieldFromJSON(GPOMutable gpo, String field, JSONArray jo, int index)
{
 Float val;
 try {
  val = (float)jo.getDouble(index);
 } catch (JSONException ex) {
  throw new IllegalArgumentException("The key " + field + " does not have a valid double value.", ex);
 }
 gpo.setFieldGeneric(field, val);
}

代码示例来源：origin: org.apache.apex/malhar-library

@Override
public void setFieldFromJSON(GPOMutable gpo, String field, JSONArray jo, int index)
{
 Double val;
 try {
  val = jo.getDouble(index);
 } catch (JSONException ex) {
  throw new IllegalArgumentException("The key " + field + " does not have a valid double value.", ex);
 }
 gpo.setFieldGeneric(field, val);
}

代码示例来源：origin: org.codehaus.jettison/com.springsource.org.codehaus.jettison

/**
 * Get the int value associated with an index.
 *
 * @param index The index must be between 0 and length() - 1.
 * @return      The value.
 * @throws   JSONException If the key is not found or if the value cannot
 *  be converted to a number.
 *  if the value cannot be converted to a number.
 */
public int getInt(int index) throws JSONException {
  Object o = get(index);
  return o instanceof Number ?
      ((Number)o).intValue() : (int)getDouble(index);
}

代码示例来源：origin: org.apache.apex/malhar-library

return ja.getDouble(index);
} catch (JSONException ex) {
 throw new IllegalArgumentException("The index "
 return (float)ja.getDouble(index);
} catch (JSONException ex) {
 throw new IllegalArgumentException("The index "

代码示例来源：origin: org.jspresso.framework/jspresso-swing-application

@Override
 public void valueChange(ValueChangeEvent evt) {
  String mapContent = mapContentConnector.getConnectorValue();
  if (mapContent != null) {
   try {
    JSONObject mapContentAsJson = new JSONObject(mapContent);
    JSONArray markers = mapContentAsJson.optJSONArray(MapHelper.MARKERS_KEY);
    if (markers != null && markers.length() > 0) {
     JSONArray marker = markers.getJSONArray(0);
     mapView.setCenter(marker.getDouble(1), marker.getDouble(0));
     mapView.setVisible(true);
    } else {
     mapView.setVisible(false);
    }
   } catch (JSONException e) {
    throw new ConnectorBindingException(e, "Invalid Json map content");
   }
  } else {
   mapView.setVisible(false);
  }
 }
};

代码示例来源：origin: eclipse-ee4j/glassfish

private boolean sameScalar(ScalarValue want, JSONArray parent, int index) throws Exception {
  trace("comparing array scalar element " + index);
  String regexp = want.getRegexp();
  if (want instanceof StringValue) {
    return sameString(((StringValue) want).getValue(), regexp, parent.getString(index));
  }
  if (want instanceof LongValue) {
    return sameString(longToString(((LongValue) want).getValue()), regexp, longToString(parent.getLong(index)));
  }
  if (want instanceof IntValue) {
    return sameString(intToString(((IntValue) want).getValue()), regexp, intToString(parent.getInt(index)));
  }
  if (want instanceof DoubleValue) {
    return sameString(doubleToString(((DoubleValue) want).getValue()), regexp, doubleToString(parent.getDouble(index)));
  }
  if (want instanceof BooleanValue) {
    return sameString(booleanToString(((BooleanValue) want).getValue()), regexp, booleanToString(parent.getBoolean(index)));
  }
  throw new AssertionError(want + " is not a valid scalar type.  Valid types are string, long, int, double, boolean");
}