com.buddycloud.mediaserver.xmpp.util.SyncPacketSendUtil.java Source code

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Here is the source code for com.buddycloud.mediaserver.xmpp.util.SyncPacketSendUtil.java

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/*
 * Copyright 2012 buddycloud
 *
 * 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.buddycloud.mediaserver.xmpp.util;

import org.dom4j.Element;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.XMPPException;
import org.xmpp.packet.Packet;

import com.buddycloud.mediaserver.xmpp.MediaServerComponent;

public final class SyncPacketSendUtil {
    private SyncPacketSendUtil() {
    }

    public static Packet getReply(MediaServerComponent component, Packet packet, long timeout) throws Exception {
        MediaServerPacketFilter responseFilter = new TransactionIDFilter(getTransactionId(packet));
        MediaServerPacketCollector response = component.createPacketCollector(responseFilter);

        component.sendPacket(packet);

        // Wait up to a certain number of seconds for a reply.
        Packet result = response.nextResult(timeout);

        // Stop queuing results
        response.cancel();

        if (result == null) {
            throw new XMPPException("No response from client '" + packet.getTo() + "'");
        } else if (result.getError() != null) {
            throw new Exception(result.getError().getText());
        }
        return result;
    }

    private static String getTransactionId(Packet packet) {
        Element confirmEl = packet.getElement().element("confirm");
        return confirmEl.attributeValue("id");
    }

    public static Packet getReply(MediaServerComponent component, Packet packet) throws Exception {
        return getReply(component, packet, SmackConfiguration.getPacketReplyTimeout());
    }
}