// ========================================================================
// Copyright 2006 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// 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.mortbay.cometd.ext;
import java.util.TimeZone;
import org.cometd.Client;
import org.cometd.Extension;
import org.cometd.Message;
import org.mortbay.cometd.AbstractBayeux;
import org.mortbay.util.DateCache;
public class TimestampExtension implements Extension
{
private final DateCache _dateCache;
public TimestampExtension()
{
_dateCache=new DateCache();
_dateCache.setTimeZone(TimeZone.getTimeZone("UTC"));
}
public TimestampExtension(String format)
{
_dateCache=new DateCache(format);
_dateCache.setTimeZone(TimeZone.getTimeZone("UTC"));
}
public TimestampExtension(String format,TimeZone tz)
{
_dateCache=new DateCache(format);
_dateCache.setTimeZone(tz);
}
public Message rcv(Client from, Message message)
{
return message;
}
public Message rcvMeta(Client from, Message message)
{
return message;
}
public Message send(Client from, Message message)
{
message.put(AbstractBayeux.TIMESTAMP_FIELD, _dateCache.format(System.currentTimeMillis()));
return message;
}
public Message sendMeta(Client from, Message message)
{
message.put(AbstractBayeux.TIMESTAMP_FIELD, _dateCache.format(System.currentTimeMillis()));
return message;
}
}