source: trunk/JavaHelperLib/src/de/ugoe/cs/util/ArrayTools.java @ 19

package de.ugoe.cs.util;

final public class ArrayTools {
        
        /**
         * <p>
         * Finds the first occurence of an object inside an array.
         * </p>
         * <p>
         * In case {@code other==null}, the first occurence of a {@code null} value in the array is returned.
         * </p>
         *  
         * @param array the array
         * @param other the object
         * @return index of the object if found, -1 otherwise
         */
        public static int findIndex(Object[] array, Object other) {
                int retVal = -1;
                for( int i=0 ; i<array.length && retVal==-1 ; i++ ) {
                        if( other!=null ) {
                                if( array[i]!=null && array[i].equals(other) ) {
                                        retVal = i;
                                }
                        } else {
                                if( array[i]==null ) {
                                        retVal = i;
                                }
                        }
                }
                return retVal;
        }
}