| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.sling.scripting.javascript.wrapper; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Calendar; |
| import java.util.GregorianCalendar; |
| import java.util.Locale; |
| |
| import org.apache.sling.scripting.javascript.SlingWrapper; |
| import org.mozilla.javascript.ScriptRuntime; |
| import org.mozilla.javascript.Scriptable; |
| import org.mozilla.javascript.Undefined; |
| |
| @SuppressWarnings("serial") |
| public class ScriptableCalendar extends ScriptableBase implements SlingWrapper { |
| |
| public static final String CLASSNAME = "Calendar"; |
| private SimpleDateFormat calendarFormat; |
| |
| /** Used to format date values */ |
| static final String ECMA_DATE_FORMAT = "EEE MMM dd yyyy HH:mm:ss 'GMT'Z"; |
| |
| /** The Locale used to format date values */ |
| static final Locale DATE_FORMAT_LOCALE = Locale.US; |
| |
| /** Calendar is a class, not an interface - so we need to enumerate possible implementations here */ |
| private static final Class<?> [] WRAPPED_CLASSES = { Calendar.class, GregorianCalendar.class }; |
| |
| /** |
| * The wrapped Calendar. Will be {@code null} if the |
| * {@link #jsConstructor(Object)} method is not called, which particularly |
| * is the case for the Calendar host object prototype. |
| */ |
| private Calendar calendar; |
| |
| public Class<?>[] getWrappedClasses() { |
| return WRAPPED_CLASSES; |
| } |
| |
| public void jsConstructor(Object o) { |
| this.calendar = (Calendar) o; |
| } |
| |
| @Override |
| public Object get(String name, Scriptable start) { |
| |
| // builtin javascript properties (jsFunction_ etc.) have priority |
| final Object fromSuperclass = super.get(name, start); |
| if(fromSuperclass != Scriptable.NOT_FOUND) { |
| return fromSuperclass; |
| } |
| |
| if(calendar == null) { |
| return Undefined.instance; |
| } |
| |
| if("date".equals(name)) { |
| return ScriptRuntime.toObject(this, calendar.getTime()); |
| } |
| |
| return getNative(name, start); |
| } |
| |
| @Override |
| protected Class<?> getStaticType() { |
| return Calendar.class; |
| } |
| |
| @Override |
| protected Object getWrappedObject() { |
| return calendar; |
| } |
| |
| @Override |
| public String getClassName() { |
| return CLASSNAME; |
| } |
| |
| @Override |
| public String toString() { |
| if (calendarFormat == null) { |
| calendarFormat = new SimpleDateFormat(ECMA_DATE_FORMAT, DATE_FORMAT_LOCALE); |
| } |
| return calendarFormat.format(calendar.getTime()); |
| } |
| |
| public Object unwrap() { |
| return calendar; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Object getDefaultValue(Class typeHint) { |
| return toString(); |
| } |
| } |