com.google.gwt.json.client.JSONNumber Maven / Gradle / Ivy
/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.json.client;
import com.google.gwt.core.client.JavaScriptObject;
/**
* Represents a JSON number. Numbers are represented by doubles.
*/
public class JSONNumber extends JSONValue {
/**
* Called from {@link #getUnwrapper()}.
*/
private static double unwrap(JSONNumber value) {
return value.value;
}
private double value;
/**
* Creates a new JSONNumber from the double value.
*/
public JSONNumber(double value) {
this.value = value;
}
/**
* Gets the double value this JSONNumber represents.
*/
public double doubleValue() {
return value;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof JSONNumber)) {
return false;
}
return value == ((JSONNumber) other).value;
}
/**
* Gets the double value this JSONNumber represents.
*
* @deprecated See {@link #doubleValue()}
*/
@Deprecated
public double getValue() {
return value;
}
@Override
public int hashCode() {
// Just use the underlying double's hashCode.
return Double.valueOf(value).hashCode();
}
/**
* Returns this, as this is a JSONNumber.
*/
@Override
public JSONNumber isNumber() {
return this;
}
/**
* Returns the JSON representation of this number.
*/
@Override
public native String toString() /*-{
// Use JavaScript conversion so that integral values print as integers.
return [email protected]::value + "";
}-*/;
@Override
native JavaScriptObject getUnwrapper() /*-{
return @com.google.gwt.json.client.JSONNumber::unwrap(Lcom/google/gwt/json/client/JSONNumber;);
}-*/;
}