com.google.gwt.json.client.JSONString 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;
import com.google.gwt.core.client.JsonUtils;
/**
* Represents a JSON string.
*/
public class JSONString extends JSONValue {
/**
* Called from {@link #getUnwrapper()}.
*/
private static String unwrap(JSONString value) {
return value.value;
}
private String value;
/**
* Creates a new JSONString from the supplied String.
*
* @param value a String value
* @throws NullPointerException if value is null
*/
public JSONString(String value) {
if (value == null) {
throw new NullPointerException();
}
this.value = value;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof JSONString)) {
return false;
}
return value.equals(((JSONString) other).value);
}
@Override
public int hashCode() {
// Just use the underlying String's hashCode.
return value.hashCode();
}
/**
* Returns this, as this is a JSONString.
*/
@Override
public JSONString isString() {
return this;
}
/**
* Returns the raw Java string value of this item.
*/
public String stringValue() {
return value;
}
/**
* Returns the JSON formatted value of this string, quoted for evaluating in a
* JavaScript interpreter.
*/
@Override
public String toString() {
return JsonUtils.escapeValue(value);
}
@Override
native JavaScriptObject getUnwrapper() /*-{
return @com.google.gwt.json.client.JSONString::unwrap(Lcom/google/gwt/json/client/JSONString;);
}-*/;
}