Mercurial > jdk8-mips64-public > corba / file revision

 /*

  * 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 com.sun.corba.se.impl.orbutil;

 import java.security.PrivilegedAction;

 import java.security.AccessController;

 import java.util.ArrayList;

 import java.util.Arrays;

 import java.util.Map;

 import java.util.List;

 import java.util.ListIterator;

 import java.util.Set;

 import java.util.Map.Entry;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.HashSet;

 import java.util.Hashtable;

 import java.util.Iterator;

 import java.util.Enumeration;

 import java.util.Properties;

 import java.util.IdentityHashMap;

 import java.lang.reflect.Array;

 import java.lang.reflect.Field;

 import java.lang.reflect.Method;

 import java.lang.reflect.Modifier;

 import java.math.BigInteger ;

 import java.math.BigDecimal ;

 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 ;

     }

 }