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/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php
* See the License for the specific language governing
* permissions and limitations under the License.
*/
/*
* MultivaluedMap.java
*
* Created on February 13, 2007, 2:30 PM
*
*/
package javax.ws.rs.core;
import java.util.List;
import java.util.Map;
/**
* A map of key-values pairs. Each key can have zero or more values.
*
*/
public interface MultivaluedMap<K, V> extends Map<K, List<V>> {
/**
* Set the key's value to be a one item list consisting of the supplied value.
* Any existing values will be replaced.
*
* @param key the key
* @param value the single value of the key
*/
void putSingle(K key, V value);
/**
* Add a value to the current list of values for the supplied key.
* @param key the key
* @param value the value to be added.
*/
void add(K key, V value);
/**
* A shortcut to get the first value of the supplied key.
* @param key the key
* @return the first value for the specified key or null if the key is
* not in the map.
*/
V getFirst(K key);
}
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