1 /*

     2  * Copyright (c) 1996, 1997, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 /*

    26  * COPYRIGHT goes here

    27  */

    28 

    29 package sun.applet;

    30 

    31 import java.io.*;

    32 import java.lang.reflect.Array;

    33 

    34 /**

    35  * This subclass of ObjectInputStream delegates loading of classes to

    36  * an existing ClassLoader.

    37  *

    38  * @deprecated The Applet API is deprecated. See the

    39  * <a href="../../java/applet/package-summary.html"> java.applet package

    40  * documentation</a> for further information.

    41  */

    42 @Deprecated(since = "9")

    43 class AppletObjectInputStream extends ObjectInputStream

    44 {

    45     private AppletClassLoader loader;

    46 

    47     /**

    48      * Loader must be non-null;

    49      */

    50 

    51     public AppletObjectInputStream(InputStream in, AppletClassLoader loader)

    52             throws IOException, StreamCorruptedException {

    53 

    54         super(in);

    55         if (loader == null) {

    56             throw new AppletIllegalArgumentException("appletillegalargumentexception.objectinputstream");

    57 

    58         }

    59         this.loader = loader;

    60     }

    61 

    62     /**

    63      * Make a primitive array class

    64      */

    65 

    66     private Class<?> primitiveType(char type) {

    67         switch (type) {

    68         case 'B': return byte.class;

    69         case 'C': return char.class;

    70         case 'D': return double.class;

    71         case 'F': return float.class;

    72         case 'I': return int.class;

    73         case 'J': return long.class;

    74         case 'S': return short.class;

    75         case 'Z': return boolean.class;

    76         default: return null;

    77         }

    78     }

    79 

    80     /**

    81      * Use the given ClassLoader rather than using the system class

    82      */

    83     protected Class<?> resolveClass(ObjectStreamClass classDesc)

    84         throws IOException, ClassNotFoundException {

    85 

    86         String cname = classDesc.getName();

    87         if (cname.startsWith("[")) {

    88             // An array

    89             Class<?> component;            // component class

    90             int dcount;                 // dimension

    91             for (dcount=1; cname.charAt(dcount)=='['; dcount++) ;

    92             if (cname.charAt(dcount) == 'L') {

    93                 component = loader.loadClass(cname.substring(dcount+1,

    94                                                              cname.length()-1));

    95             } else {

    96                 if (cname.length() != dcount+1) {

    97                     throw new ClassNotFoundException(cname);// malformed

    98                 }

    99                 component = primitiveType(cname.charAt(dcount));

   100             }

   101             int dim[] = new int[dcount];

   102             for (int i=0; i<dcount; i++) {

   103                 dim[i]=0;

   104             }

   105             return Array.newInstance(component, dim).getClass();

   106         } else {

   107             return loader.loadClass(cname);

   108         }

   109     }

   110 }