com.google.gwt.dev.json.JsonBoolean Maven / Gradle / Ivy
/*
* 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 com.google.gwt.dev.json;
import java.io.IOException;
import java.io.Writer;
/**
* JSON boolean.
*/
public class JsonBoolean implements JsonValue {
public static final JsonBoolean FALSE = new JsonBoolean(false);
public static final JsonBoolean TRUE = new JsonBoolean(true);
public static JsonBoolean create(boolean value) {
return value ? TRUE : FALSE;
}
private final boolean value;
private JsonBoolean(boolean value) {
this.value = value;
}
@Override
public JsonArray asArray() {
return null;
}
@Override
public JsonBoolean asBoolean() {
return this;
}
@Override
public JsonNumber asNumber() {
return null;
}
@Override
public JsonObject asObject() {
return null;
}
@Override
public JsonString asString() {
return null;
}
@Override
public JsonBoolean copyDeeply() {
return this;
}
public boolean getBoolean() {
return value;
}
@Override
public boolean isArray() {
return false;
}
@Override
public boolean isBoolean() {
return true;
}
@Override
public boolean isNumber() {
return false;
}
@Override
public boolean isObject() {
return false;
}
@Override
public boolean isString() {
return false;
}
@Override
public void write(Writer writer) throws IOException {
writer.write(Boolean.toString(value));
}
}