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Moved reverseArray method from a private method in StringUtils into ArrayUtils. 

This method exists in Jakarta Collection, so is a duplicate, but it belongs in
ArrayUtils.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137265 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2003-03-23 04:58:47 +00:00
parent 1a3ba6816d
commit ae7c590d59
2 changed files with 25 additions and 24 deletions
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23
src/java/org/apache/commons/lang/ArrayUtils.java
View File

@ -69,7 +69,7 @@ import org.apache.commons.lang.builder.ToStringStyle;
* @author <a href="mailto:fredrik@westermarck.com">Fredrik Westermarck</a>
* @author Nikolay Metchev
* @since 2.0
* @version $Id: ArrayUtils.java,v 1.8 2003/02/04 22:06:24 scolebourne Exp $
* @version $Id: ArrayUtils.java,v 1.9 2003/03/23 04:58:47 bayard Exp $
*/
public class ArrayUtils {
@ -1012,4 +1012,25 @@ public class ArrayUtils {
return (indexOf(array, objectToFind) != -1);
}
/**
* <p>Reverses an array.</p>
*
* <p>TAKEN FROM CollectionsUtils.</p>
*
* @param array the array to reverse
*/
public static void reverseArray(Object[] array) {
int i = 0;
int j = array.length - 1;
Object tmp;
while (j > i) {
tmp = array[j];
array[j] = array[i];
array[i] = tmp;
j--;
i++;
}
}
}

26
src/java/org/apache/commons/lang/StringUtils.java
View File

@ -75,8 +75,9 @@ import org.apache.commons.lang.exception.NestableRuntimeException;
* @author <a href="mailto:fredrik@westermarck.com">Fredrik Westermarck</a>
* @author Holger Krauth
* @author <a href="mailto:alex@purpletech.com">Alexander Day Chaffee</a>
* @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
* @since 1.0
* @version $Id: StringUtils.java,v 1.33 2003/03/17 05:28:36 alex Exp $
* @version $Id: StringUtils.java,v 1.34 2003/03/23 04:58:47 bayard Exp $
*/
public class StringUtils {
@ -1722,31 +1723,10 @@ public class StringUtils {
// could implement manually, but simple way is to reuse other,
// probably slower, methods.
String[] strs = split(str, delimiter);
reverseArray(strs);
ArrayUtils.reverseArray(strs);
return join(strs, delimiter);
}
/**
* <p>Reverses an array.</p>
*
* <p>TAKEN FROM CollectionsUtils.</p>
*
* @param array the array to reverse
*/
private static void reverseArray(Object[] array) {
int i = 0;
int j = array.length - 1;
Object tmp;
while (j > i) {
tmp = array[j];
array[j] = array[i];
array[i] = tmp;
j--;
i++;
}
}
// Abbreviating
//--------------------------------------------------------------------------