001/* 002 * $Id: ArrayUtil.java 3681 2011-07-12 13:55:10Z kredel $ 003 */ 004 005package edu.jas.util; 006 007 008//import org.apache.log4j.Logger; 009 010 011/** 012 * Array utilities. 013 * For example copyOf from Java 6. 014 * <b>Note:</b> unused at the moment since it is not working in Java 5. 015 * @author Heinz Kredel 016 */ 017public class ArrayUtil { 018 019 020 //private static final Logger logger = Logger.getLogger(ArrayUtil.class); 021 // private static boolean debug = logger.isDebugEnabled(); 022 023 024 /** 025 * Copy the specified array. 026 * @param original array. 027 * @param newLength new array length. 028 * @return copy of original. 029 */ 030 public static <T> T[] copyOf(T[] original, int newLength) { 031 T[] copy = (T[]) new Object[newLength]; 032 System.arraycopy(original, 0, copy, 0, Math.min(original.length, newLength)); 033 return copy; 034 } 035 036 037 /** 038 * Copy the specified array. 039 * @param original array. 040 * @return copy of original. 041 */ 042 public static <T> T[] copyOf(T[] original) { 043 return (T[]) copyOf(original,original.length); 044 } 045 046}