/*
* Copyright (c) 2008 Nanometrics Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package ca.nanometrics.gflot.client.util;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONBoolean;
import com.google.gwt.json.client.JSONNull;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;
/**
* Wraps a JSONArray and provides write methods that accept Java primitives.
* This class is meant to be extended by client classes
*
* @author AlexanderDeleon
*/
public class JSONArrayWrapper extends JSONWrapper {
private final JSONArray m_jsonArray;
private int m_currentIndex;
private static native void shiftJavaScriptArray(JavaScriptObject arrayObject) /*-{
arrayObject.shift();
}-*/;
private static native void clearJavaScriptArray(JavaScriptObject arrayObject) /*-{
arrayObject.length = 0;
}-*/;
protected JSONArrayWrapper() {
m_jsonArray = new JSONArray();
m_currentIndex = -1;
}
protected JSONArrayWrapper(JSONArrayWrapper array) {
this();
for (int i = 0; i < array.size(); i++) {
set(i, array.get(i));
}
}
protected JSONArrayWrapper(JSONArray array) {
m_jsonArray = array;
m_currentIndex = m_jsonArray.size() - 1;
}
protected void set(int index, String value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = new JSONString(value);
}
set(index, val);
}
protected void push(String value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = new JSONString(value);
}
set(++m_currentIndex, val);
}
protected void pushAll(String[] values) {
for (int i = 0; i < values.length; i++) {
push(values[i]);
}
}
protected void set(int index, Number value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = new JSONNumber(value.doubleValue());
}
set(index, val);
}
protected void push(Number value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = new JSONNumber(value.doubleValue());
}
set(++m_currentIndex, val);
}
protected void pushAll(Number[] values) {
for (int i = 0; i < values.length; i++) {
push(values[i]);
}
}
protected void set(int index, boolean value) {
set(index, JSONBoolean.getInstance(value));
}
protected void push(boolean value) {
set(++m_currentIndex, JSONBoolean.getInstance(value));
}
protected void pushAll(boolean[] values) {
for (int i = 0; i < values.length; i++) {
push(values[i]);
}
}
protected void set(int index, JSONWrapper value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = value.getWrappedObj();
}
set(index, val);
}
protected void push(JSONWrapper value) {
JSONValue val = JSONNull.getInstance();
if (value != null) {
val = value.getWrappedObj();
}
set(++m_currentIndex, val);
}
protected void pushAll(JSONWrapper[] values) {
for (int i = 0; i < values.length; i++) {
push(values[i]);
}
}
protected void set(int index, JSONValue value) {
m_jsonArray.set(index, value);
if (index > m_currentIndex) {
m_currentIndex = index;
}
}
protected Double getDouble(int index) {
JSONNumber num = getNumber(index);
return num == null ? null : new Double(num.doubleValue());
}
protected Integer getInteger(int index) {
JSONNumber num = getNumber(index);
return num == null ? null : new Integer((int) num.doubleValue());
}
protected String getString(int index) {
JSONValue value = get(index);
if (value == null) {
return null;
}
JSONString str = value.isString();
return str == null ? null : str.stringValue();
}
protected JSONNumber getNumber(int index) {
JSONValue val = get(index);
if (val == null) {
return null;
}
return val.isNumber();
}
protected JSONArray getArray(int index) {
JSONValue value = get(index);
if (value == null) {
return null;
}
return value.isArray();
}
protected JSONObject getObject(int index) {
JSONValue value = get(index);
if (value == null) {
return null;
}
return value.isObject();
}
protected JSONValue get(int index) {
return m_jsonArray.get(index);
}
protected int size() {
return m_jsonArray.size();
}
protected JSONValue getWrappedObj() {
return m_jsonArray;
}
protected void shift() {
shiftJavaScriptArray(m_jsonArray.getJavaScriptObject());
m_currentIndex = m_jsonArray.size() - 1;
}
protected void clear() {
clearJavaScriptArray(m_jsonArray.getJavaScriptObject());
m_currentIndex = -1;
}
protected JSONArrayWrapper _slice(int start, int end) {
JSONArrayWrapper newArray = new JSONArrayWrapper();
int i = 0;
for (int j = start; j <= end; j++) {
newArray.set(i++, get(j));
}
return newArray;
}
protected JSONArrayWrapper _slice(int start) {
return _slice(start, size() - 1);
}
public String toString() {
return m_jsonArray.toString();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof JSONArrayWrapper) {
return m_jsonArray.equals(((JSONArrayWrapper) obj).m_jsonArray);
}
return false;
}
@Override
public int hashCode() {
return m_jsonArray.hashCode();
}
}