/* * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package org.jboss.com.sun.corba.se.impl.orbutil; import java.lang.reflect.Array; public final class ObjectUtility { private ObjectUtility() { } /** * If arr1 and arr2 are both arrays of the same component type, return an array of that component type that consists * of the elements of arr1 followed by the elements of arr2. Throws IllegalArgumentException otherwise. */ public static Object concatenateArrays(Object arr1, Object arr2) { Class<?> comp1 = arr1.getClass().getComponentType(); Class<?> comp2 = arr2.getClass().getComponentType(); int len1 = Array.getLength(arr1); int len2 = Array.getLength(arr2); if ((comp1 == null) || (comp2 == null)) throw new IllegalStateException("Arguments must be arrays"); if (!comp1.equals(comp2)) throw new IllegalStateException("Arguments must be arrays with the same component type"); Object result = Array.newInstance(comp1, len1 + len2); int index = 0; for (int ctr = 0; ctr < len1; ctr++) Array.set(result, index++, Array.get(arr1, ctr)); for (int ctr = 0; ctr < len2; ctr++) Array.set(result, index++, Array.get(arr2, ctr)); return result; } }