001/* 002 * $Id: ArrayUtil.java 4962 2014-10-17 19:05:55Z kredel $ 003 */ 004 005package edu.jas.util; 006 007 008// import org.apache.log4j.Logger; 009 010 011/** 012 * Array utilities. For example copyOf from Java 6. <b>Note:</b> unused at the 013 * moment since it is not working in Java 5. 014 * @author Heinz Kredel 015 */ 016public class ArrayUtil { 017 018 019 //private static final Logger logger = Logger.getLogger(ArrayUtil.class); 020 // private static boolean debug = logger.isDebugEnabled(); 021 022 023 /** 024 * Copy the specified array. 025 * @param original array. 026 * @param newLength new array length. 027 * @return copy of original. 028 */ 029 public static <T> T[] copyOf(T[] original, int newLength) { 030 T[] copy = (T[]) new Object[newLength]; 031 System.arraycopy(original, 0, copy, 0, Math.min(original.length, newLength)); 032 return copy; 033 } 034 035 036 /** 037 * Copy the specified array. 038 * @param original array. 039 * @return copy of original. 040 */ 041 public static <T> T[] copyOf(T[] original) { 042 return copyOf(original, original.length); 043 } 044 045}