001/**
002 *
003 * Copyright 2018 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smack;
018
019import java.nio.channels.ClosedChannelException;
020import java.nio.channels.SelectableChannel;
021import java.nio.channels.SelectionKey;
022
023import org.jivesoftware.smack.SmackReactor.ChannelSelectedCallback;
024import org.jivesoftware.smack.fsm.AbstractXmppStateMachineConnection;
025import org.jivesoftware.smack.fsm.StateDescriptor;
026import org.jivesoftware.smack.fsm.StateDescriptorGraph.GraphVertex;
027
028public abstract class AbstractXmppNioConnection extends AbstractXmppStateMachineConnection {
029
030    protected AbstractXmppNioConnection(ConnectionConfiguration configuration, GraphVertex<StateDescriptor> initialStateDescriptorVertex) {
031        super(configuration, initialStateDescriptorVertex);
032    }
033
034    protected SelectionKey registerWithSelector(SelectableChannel channel, int ops, ChannelSelectedCallback callback)
035            throws ClosedChannelException {
036        return SMACK_REACTOR.registerWithSelector(channel, ops, callback);
037    }
038
039    /**
040     * Set the interest Ops of a SelectionKey. Since Java's NIO interestOps(int) can block at any time, we use a queue
041     * to perform the actual operation in the reactor where we can perform this operation non-blocking.
042     *
043     * @param selectionKey
044     * @param interestOps
045     */
046    protected void setInterestOps(SelectionKey selectionKey, int interestOps) {
047        SMACK_REACTOR.setInterestOps(selectionKey, interestOps);
048    }
049
050    @Override
051    protected void finalize() {
052        disconnect();
053    }
054}