| /* |
| * Copyright 2010 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 elemental.json.impl; |
| |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| |
| import elemental.json.JsonString; |
| import elemental.json.JsonType; |
| import elemental.json.JsonValue; |
| |
| /** |
| * Server-side implementation of JsonString. |
| */ |
| public class JreJsonString extends JreJsonValue implements JsonString { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private transient String string; |
| |
| public JreJsonString(String string) { |
| this.string = string; |
| } |
| |
| @Override |
| public boolean asBoolean() { |
| return !getString().isEmpty(); |
| } |
| |
| @Override |
| public double asNumber() { |
| try { |
| if (asString().isEmpty()) { |
| return 0.0; |
| } else { |
| return Double.parseDouble(asString()); |
| } |
| } catch(NumberFormatException nfe) { |
| return Double.NaN; |
| } |
| } |
| |
| @Override |
| public String asString() { |
| return getString(); |
| } |
| |
| public Object getObject() { |
| return getString(); |
| } |
| |
| public String getString() { |
| return string; |
| } |
| |
| public JsonType getType() { |
| return JsonType.STRING; |
| } |
| |
| @Override |
| public boolean jsEquals(JsonValue value) { |
| return getObject().equals(((JreJsonValue)value).getObject()); |
| } |
| |
| @Override |
| public void traverse(JsonVisitor visitor, JsonContext ctx) { |
| visitor.visit(getString(), ctx); |
| } |
| |
| public String toJson() throws IllegalStateException { |
| return JsonUtil.quote(getString()); |
| } |
| |
| @com.google.gwt.core.shared.GwtIncompatible |
| private void readObject(ObjectInputStream stream) throws IOException, |
| ClassNotFoundException { |
| JreJsonString instance = parseJson(stream); |
| this.string = instance.string; |
| } |
| |
| @com.google.gwt.core.shared.GwtIncompatible |
| private void writeObject(ObjectOutputStream stream) throws IOException { |
| stream.writeObject(toJson()); |
| } |
| } |