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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/java/lang/ArrayHelper.java | |
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Diffstat (limited to 'libjava/classpath/gnu/java/lang/ArrayHelper.java')
-rw-r--r-- | libjava/classpath/gnu/java/lang/ArrayHelper.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/lang/ArrayHelper.java b/libjava/classpath/gnu/java/lang/ArrayHelper.java new file mode 100644 index 000000000..5f675831e --- /dev/null +++ b/libjava/classpath/gnu/java/lang/ArrayHelper.java @@ -0,0 +1,78 @@ +/* ArrayHelper.java -- Helper methods for handling array operations + Copyright (C) 1998, 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.lang; + +/** + * ArrayHelper helps you do things with arrays. + * + * @author John Keiser + */ +public class ArrayHelper +{ + /** + * Counterpart to java.util.Collection.contains. + * + * @param array the array to search + * @param searchFor the object to locate + * @return true if some array element <code>equals(searchFor)</code> + */ + public static boolean contains(Object[] array, Object searchFor) + { + return indexOf(array, searchFor) != -1; + } + + /** + * Counterpart to java.util.Collection.indexOf. + * + * @param array the array to search + * @param searchFor the object to locate + * @return the index of the first equal object, or -1 + */ + public static int indexOf(Object[] array, Object searchFor) + { + for (int i = 0; i < array.length; i++) + { + if(array[i].equals(searchFor)) + { + return i; + } + } + return -1; + } +} |