/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.seam.international.datetimezone;
import java.io.Serializable;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import javax.inject.Named;
import org.jboss.logging.Logger;
import org.jboss.seam.international.datetimezone.ForwardingDateTimeZone;
import org.jboss.seam.international.timezone.DefaultTimeZone;
import org.joda.time.DateTimeZone;
/**
* Default DateTimeZone of the application. If configuration of the default DateTimeZone is found that will be used, otherwise
* the JVM default TimeZone.
*
* @author Ken Finnigan
*/
@ApplicationScoped
public class DefaultDateTimeZoneProducer implements Serializable {
private static final long serialVersionUID = 6181892144731122500L;
@Inject
@DefaultTimeZone
private Instance<String> defaultTimeZoneId;
private final Logger log = Logger.getLogger(DefaultDateTimeZoneProducer.class);
@Produces
@Named
private DateTimeZone defaultDateTimeZone = null;
@PostConstruct
public void init() {
if (!defaultTimeZoneId.isUnsatisfied()) {
try {
String id = defaultTimeZoneId.get();
DateTimeZone dtz = DateTimeZone.forID(id);
defaultDateTimeZone = constructTimeZone(dtz);
} catch (IllegalArgumentException e) {
log.warn("DefaultDateTimeZoneProducer: Default TimeZone Id of " + defaultTimeZoneId + " was not found");
}
}
if (null == defaultDateTimeZone) {
DateTimeZone dtz = DateTimeZone.getDefault();
defaultDateTimeZone = constructTimeZone(dtz);
}
}
private ForwardingDateTimeZone constructTimeZone(final DateTimeZone dtz) {
return new ForwardingDateTimeZone(dtz.getID()) {
@Override
protected DateTimeZone delegate() {
return dtz;
}
};
}
}