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Diffstat (limited to 'songdbj/org/tritonus/share/StringHashedSet.java')
| -rw-r--r-- | songdbj/org/tritonus/share/StringHashedSet.java | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/songdbj/org/tritonus/share/StringHashedSet.java b/songdbj/org/tritonus/share/StringHashedSet.java deleted file mode 100644 index 8e24466..0000000 --- a/songdbj/org/tritonus/share/StringHashedSet.java +++ /dev/null @@ -1,112 +0,0 @@ -/* - * StringHashedSet.java - * - * This file is part of Tritonus: http://www.tritonus.org/ - */ - -/* - * Copyright (c) 2000 by Florian Bomers <http://www.bomers.de> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Library General Public License as published - * by the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* -|<--- this code is formatted to fit into 80 columns --->| -*/ - -package org.tritonus.share; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Iterator; - -import org.tritonus.share.ArraySet; - - -/** - * A set where the elements are uniquely referenced by their - * string representation as given by the objects toString() - * method. No 2 objects with the same toString() can - * be in the set. - * <p> - * The <code>contains(Object elem)</code> and <code>get(Object elem)</code> - * methods can be called with Strings as <code>elem</code> parameter. - * For <code>get(Object elem)</code>, the object that has been added - * is returned, and not its String representation. - * <p> - * Though it's possible to store - * Strings as objects in this class, it doesn't make sense - * as you could use ArraySet for that equally well. - * <p> - * You shouldn't use the ArrayList specific functions - * like those that take index parameters. - * <p> - * It is not possible to add <code>null</code> elements. - */ - -public class StringHashedSet<E> extends ArraySet<E> -{ - public StringHashedSet() - { - super(); - } - - public StringHashedSet(Collection<E> c) - { - super(c); - } - - public boolean add(E elem) - { - if (elem==null) { - return false; - } - return super.add(elem); - } - - public boolean contains(Object elem) - { - if (elem==null) { - return false; - } - String comp=elem.toString(); - Iterator<E> it=iterator(); - while (it.hasNext()) { - if (comp.equals(it.next().toString())) { - return true; - } - } - return false; - } - - public E get(E elem) { - if (elem==null) { - return null; - } - String comp=elem.toString(); - Iterator<E> it=iterator(); - while (it.hasNext()) { - E thisElem=it.next(); - if (comp.equals(thisElem.toString())) { - return thisElem; - } - } - return null; - } -} - -/*** StringHashedSet.java ***/ |