Java tutorial
/* * Copyright 2011 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.pusher.handler.internal; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Properties; import org.dom4j.Element; import org.xmpp.packet.IQ; import com.buddycloud.pusher.NotificationSettings; import com.buddycloud.pusher.Pusher; import com.buddycloud.pusher.Pusher.Event; import com.buddycloud.pusher.Pushers; import com.buddycloud.pusher.db.DataSource; import com.buddycloud.pusher.handler.AbstractQueryHandler; import com.buddycloud.pusher.utils.NotificationUtils; import com.buddycloud.pusher.utils.XMPPUtils; /** * @author Abmar * */ public class FollowRequestQueryHandler extends AbstractQueryHandler { private static final String NAMESPACE = "http://buddycloud.com/pusher/followrequest"; /** * @param namespace * @param properties */ public FollowRequestQueryHandler(Properties properties, DataSource dataSource) { super(NAMESPACE, properties, dataSource); } /* (non-Javadoc) * @see com.buddycloud.pusher.handler.AbstractQueryHandler#handleQuery(org.xmpp.packet.IQ) */ @Override protected IQ handleQuery(IQ iq) { Element queryElement = iq.getElement().element("query"); Element jidElement = queryElement.element("userJid"); Element channelElement = queryElement.element("channel"); Element channelOwnerElement = queryElement.element("channelOwnerJid"); if (jidElement == null || channelElement == null || channelOwnerElement == null) { return XMPPUtils.error(iq, "You must provide the userJid, the channel and the channelOwner", getLogger()); } String userJid = jidElement.getText(); String ownerJid = channelOwnerElement.getText(); String channelJid = channelElement.getText(); Map<String, String> tokens = new HashMap<String, String>(); tokens.put("FIRST_PART_JID", userJid.split("@")[0]); tokens.put("FIRST_PART_OWNER_JID", ownerJid.split("@")[0]); List<NotificationSettings> allNotificationSettings = NotificationUtils.getNotificationSettings(ownerJid, getDataSource()); for (NotificationSettings notificationSettings : allNotificationSettings) { if (!notificationSettings.getFollowRequest()) { getLogger().warn("User " + ownerJid + " won't receive follow request notifications."); continue; } if (notificationSettings.getTarget() == null) { getLogger().warn("User " + ownerJid + " has no target registered."); continue; } Pusher pusher = Pushers.getInstance(getProperties()).get(notificationSettings.getType()); pusher.push(notificationSettings.getTarget(), Event.FOLLOW_REQUEST, tokens); } return createResponse(iq, "User [" + userJid + "] sent a request to " + "follow your channel [" + channelJid + "]."); } }