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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Blacksmith, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.foundation;
import java.util.Enumeration;
import java.util.Map;
/**
* A pure java implementation of NSMutableDictionary that implements Map for
* greater java interoperability.
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 893 $
*/
public class NSMutableDictionary<K, V> extends NSDictionary<K, V> {
private static final long serialVersionUID = -150787274911739812L;
/**
* Default constructor produces an empty dictionary.
*/
public NSMutableDictionary() {
super();
}
/**
* Default constructor produces an empty dictionary.
*/
public NSMutableDictionary(int initialSize) {
super(initialSize);
}
/**
* Produces a dictionary that contains one key referencing one value.
*/
public NSMutableDictionary(K key, V value) {
super(key, value);
}
/**
* Produces a dictionary containing the specified keys and values. An
* IllegalArgumentException is thrown if the arrays are not of the same length.
*/
public NSMutableDictionary(K[] keys, V[] values) {
super(values, keys);
}
/**
* Produces a dictionary that is a copy of the specified map (or dictionary).
*/
public NSMutableDictionary(Map<K, V> aMap) {
super(aMap);
}
/**
* Removes the key-value pair for the specified key.
*/
public void removeObjectForKey(K aKey) {
remove(aKey);
}
/**
* Copies all mappings from the specified dictionary to this dictionary,
* replacing any mappings this map had for any keys in the specified map.
*/
public void addEntriesFromDictionary(Map<K, V> aMap) {
putAll(aMap);
}
/**
* Removes all mappings from this dictionary.
*/
public void removeAllObjects() {
clear();
}
/**
* Removes all keys in the specified array from this dictionary.
*/
public void removeObjectsForKeys(NSArray<K> anArray) {
Enumeration<K> enumeration = anArray.objectEnumerator();
while (enumeration.hasMoreElements()) {
removeObjectForKey(enumeration.nextElement());
}
}
/**
* Clears all mappings in this dictionary and then adds all entries in the
* specified dictionary.
*/
public void setDictionary(Map<K, V> aMap) {
removeAllObjects();
addEntriesFromDictionary(aMap);
}
/**
* Sets the value for the specified key. If the key currently exists to the
* dictionary, the old value is replaced with the specified value. An
* IllegalArgumentException is thrown if either the key or value is null.
*/
public void setObjectForKey(V aValue, K aKey) {
if ((aKey == null) || (aValue == null)) {
throw new IllegalArgumentException("Cannot use null objects with an NSMutableDictionary.");
}
put(aKey, aValue);
}
}
/*
* $Log$ Revision 1.2 2006/02/16 13:15:00 cgruber Check in all sources in
* eclipse-friendly maven-enabled packages.
*
* Revision 1.4 2005/05/11 15:21:53 cgruber Change enum to enumeration, since
* enum is now a keyword as of Java 5.0
*
* A few other comments in the code.
*
* Revision 1.3 2002/06/30 17:16:26 mpowers Added new constructor taking an int:
* thanks cgruber.
*
*
* Revision 1.2 2001/02/23 23:43:41 mpowers Removed ill-advised this.
*
* Revision 1.1.1.1 2000/12/21 15:47:34 mpowers Contributing wotonomy.
*
* Revision 1.3 2000/12/20 16:25:38 michael Added log to all files.
*
*
*/
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