/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.ext.rss;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import javax.xml.namespace.QName;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.model.AtomDate;
import org.apache.abdera.model.DateTime;
import org.apache.abdera.model.DateTimeWrapper;
import org.apache.abdera.model.Element;
public class RssDateTime extends DateTimeWrapper implements DateTime {
private static String[] masks =
{"EEE, dd MMM yyyy HH:mm:ss z", "dd MMM yyyy HH:mm z", "dd MMM yyyy", "-yy-MM-dd", "-yy-MM", "-yymm",
"yyyy-MM-dd HH:mm:ss.SSS", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd'T'HH:mm:ss.SSSz", "yyyy-MM-dd't'HH:mm:ss.SSSz", // invalid
"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", "yyyy-MM-dd't'HH:mm:ss.SSS'z'", // invalid
"yyyy-MM-dd'T'HH:mm:ssz", "yyyy-MM-dd't'HH:mm:ssz", // invalid
"yyyy-MM-dd'T'HH:mm:ss'Z'", "yyyy-MM-dd't'HH:mm:ss'Z'", // invalid
"yyyy-MM-dd't'HH:mm:ss'z'", // invalid
"yyyy-MM-dd'T'HH:mm:ss'z'", // invalid
"yyyy-MM-dd'T'HH:mm:ss'z'", // invalid
"yyyy-MM-dd'T'HH:mmz", // invalid
"yyyy-MM-dd't'HH:mmz", // invalid
"yyyy-MM-dd'T'HH:mm'Z'", // invalid
"yyyy-MM-dd't'HH:mm'z'", // invalid
"yyyy-MM-dd", "yyyy-MM", "yyyyMMdd", "yyMMdd", "yyyy"};
public RssDateTime(Element internal) {
super(internal);
}
public RssDateTime(Factory factory, QName qname) {
super(factory, qname);
}
@Override
public AtomDate getValue() {
return parse(getText());
}
@Override
public DateTime setCalendar(Calendar date) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
@Override
public DateTime setDate(Date date) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
@Override
public DateTime setString(String date) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
@Override
public DateTime setTime(long date) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
@Override
public DateTime setValue(AtomDate dateTime) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
private AtomDate parse(String value) {
for (String mask : masks) {
try {
SimpleDateFormat sdf = new SimpleDateFormat(mask);
sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
Date d = sdf.parse(value);
return new AtomDate(d);
} catch (Exception e) {
}
}
return null;
}
}