| /* |
| * 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 <code>value</code> is <code>null</code> |
| */ |
| 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 <code>this</code>, 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;); |
| }-*/; |
| } |