Commons Beanutils example source code file (DefaultMapEntry.java)

This example Commons Beanutils source code file (DefaultMapEntry.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Beanutils tags/keywords

abstractmapentry, abstractmapentry, defaultmapentry, defaultmapentry, keyvalue, keyvalue, object, object, util

The Commons Beanutils DefaultMapEntry.java source code

/*
 * 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.collections.keyvalue;

import java.util.Map;

import org.apache.commons.collections.KeyValue;

/**
 * A restricted implementation of {@link java.util.Map.Entry} that prevents
 * the MapEntry contract from being broken.
 *
 * @since Commons Collections 3.0
 * @version $Revision: 438363 $ $Date: 2006-08-30 05:48:00 +0100 (Wed, 30 Aug 2006) $
 * 
 * @author James Strachan
 * @author Michael A. Smith
 * @author Neil O'Toole
 * @author Stephen Colebourne
 */
public final class DefaultMapEntry extends AbstractMapEntry {
    
    /**
     * Constructs a new entry with the specified key and given value.
     *
     * @param key  the key for the entry, may be null
     * @param value  the value for the entry, may be null
     */
    public DefaultMapEntry(final Object key, final Object value) {
        super(key, value);
    }

    /**
     * Constructs a new entry from the specified KeyValue.
     *
     * @param pair  the pair to copy, must not be null
     * @throws NullPointerException if the entry is null
     */
    public DefaultMapEntry(final KeyValue pair) {
        super(pair.getKey(), pair.getValue());
    }

    /**
     * Constructs a new entry from the specified MapEntry.
     *
     * @param entry  the entry to copy, must not be null
     * @throws NullPointerException if the entry is null
     */
    public DefaultMapEntry(final Map.Entry entry) {
        super(entry.getKey(), entry.getValue());
    }

}