src/share/classes/com/sun/corba/se/impl/orbutil/ObjectUtility.java

changeset 0
7ef37b2cdcad
child 748
6845b95cba6b
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/com/sun/corba/se/impl/orbutil/ObjectUtility.java	Wed Apr 27 01:21:28 2016 +0800
     1.3 @@ -0,0 +1,87 @@
     1.4 +/*
     1.5 + * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.corba.se.impl.orbutil;
    1.30 +
    1.31 +import java.security.PrivilegedAction;
    1.32 +import java.security.AccessController;
    1.33 +import java.util.ArrayList;
    1.34 +import java.util.Arrays;
    1.35 +import java.util.Map;
    1.36 +import java.util.List;
    1.37 +import java.util.ListIterator;
    1.38 +import java.util.Set;
    1.39 +import java.util.Map.Entry;
    1.40 +import java.util.Collection;
    1.41 +import java.util.HashMap;
    1.42 +import java.util.HashSet;
    1.43 +import java.util.Hashtable;
    1.44 +import java.util.Iterator;
    1.45 +import java.util.Enumeration;
    1.46 +import java.util.Properties;
    1.47 +import java.util.IdentityHashMap;
    1.48 +import java.lang.reflect.Array;
    1.49 +import java.lang.reflect.Field;
    1.50 +import java.lang.reflect.Method;
    1.51 +import java.lang.reflect.Modifier;
    1.52 +import java.math.BigInteger ;
    1.53 +import java.math.BigDecimal ;
    1.54 +
    1.55 +public final class ObjectUtility {
    1.56 +    private ObjectUtility() {}
    1.57 +
    1.58 +
    1.59 +    /** If arr1 and arr2 are both arrays of the same component type,
    1.60 +     * return an array of that component type that consists of the
    1.61 +     * elements of arr1 followed by the elements of arr2.
    1.62 +     * Throws IllegalArgumentException otherwise.
    1.63 +     */
    1.64 +    public static Object concatenateArrays( Object arr1, Object arr2 )
    1.65 +    {
    1.66 +        Class comp1 = arr1.getClass().getComponentType() ;
    1.67 +        Class comp2 = arr2.getClass().getComponentType() ;
    1.68 +        int len1 = Array.getLength( arr1 ) ;
    1.69 +        int len2 = Array.getLength( arr2 ) ;
    1.70 +
    1.71 +        if ((comp1 == null) || (comp2 == null))
    1.72 +            throw new IllegalStateException( "Arguments must be arrays" ) ;
    1.73 +        if (!comp1.equals( comp2 ))
    1.74 +            throw new IllegalStateException(
    1.75 +                "Arguments must be arrays with the same component type" ) ;
    1.76 +
    1.77 +        Object result = Array.newInstance( comp1, len1 + len2 ) ;
    1.78 +
    1.79 +        int index = 0 ;
    1.80 +
    1.81 +        for (int ctr=0; ctr<len1; ctr++)
    1.82 +            Array.set( result, index++, Array.get( arr1, ctr ) ) ;
    1.83 +
    1.84 +        for (int ctr=0; ctr<len2; ctr++)
    1.85 +            Array.set( result, index++, Array.get( arr2, ctr ) ) ;
    1.86 +
    1.87 +        return result ;
    1.88 +    }
    1.89 +
    1.90 +}

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