commons-net.jar Source Code

commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

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org/apache/commons/net/util/ListenerList.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.commons.net.util;

import java.io.Serializable;
import java.util.EventListener;
import java.util.Iterator;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 */

public class ListenerList implements Serializable, Iterable<EventListener>
{
    private static final long serialVersionUID = -1934227607974228213L;

    private final CopyOnWriteArrayList<EventListener> listeners;

    public ListenerList()
    {
        listeners = new CopyOnWriteArrayList<>();
    }

    public void addListener(final EventListener listener)
    {
            listeners.add(listener);
    }

    public  void removeListener(final EventListener listener)
    {
            listeners.remove(listener);
    }

    public int getListenerCount()
    {
        return listeners.size();
    }

    /**
     * Return an {@link Iterator} for the {@link EventListener} instances.
     *
     * @return an {@link Iterator} for the {@link EventListener} instances
     * @since 2.0
     * TODO Check that this is a good defensive strategy
     */
    @Override
    public Iterator<EventListener> iterator() {
            return listeners.iterator();
    }

}

org/apache/commons/net/util/ListenerList.java

 

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