| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1996-1997 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | |
| 39 | class AppletObjectInputStream extends ObjectInputStream |
| 40 | { |
| 41 | private AppletClassLoader loader; |
| 42 | |
| 43 | /** |
| 44 | * Loader must be non-null; |
| 45 | */ |
| 46 | |
| 47 | public AppletObjectInputStream(InputStream in, AppletClassLoader loader) |
| 48 | throws IOException, StreamCorruptedException { |
| 49 | |
| 50 | super(in); |
| 51 | if (loader == null) { |
| 52 | throw new AppletIllegalArgumentException("appletillegalargumentexception.objectinputstream"); |
| 53 | |
| 54 | } |
| 55 | this.loader = loader; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Make a primitive array class |
| 60 | */ |
| 61 | |
| 62 | private Class primitiveType(char type) { |
| 63 | switch (type) { |
| 64 | case 'B': return byte.class; |
| 65 | case 'C': return char.class; |
| 66 | case 'D': return double.class; |
| 67 | case 'F': return float.class; |
| 68 | case 'I': return int.class; |
| 69 | case 'J': return long.class; |
| 70 | case 'S': return short.class; |
| 71 | case 'Z': return boolean.class; |
| 72 | default: return null; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Use the given ClassLoader rather than using the system class |
| 78 | */ |
| 79 | protected Class resolveClass(ObjectStreamClass classDesc) |
| 80 | throws IOException, ClassNotFoundException { |
| 81 | |
| 82 | String cname = classDesc.getName(); |
| 83 | if (cname.startsWith("[")) { |
| 84 | // An array |
| 85 | Class component; // component class |
| 86 | int dcount; // dimension |
| 87 | for (dcount=1; cname.charAt(dcount)=='['; dcount++) ; |
| 88 | if (cname.charAt(dcount) == 'L') { |
| 89 | component = loader.loadClass(cname.substring(dcount+1, |
| 90 | cname.length()-1)); |
| 91 | } else { |
| 92 | if (cname.length() != dcount+1) { |
| 93 | throw new ClassNotFoundException(cname);// malformed |
| 94 | } |
| 95 | component = primitiveType(cname.charAt(dcount)); |
| 96 | } |
| 97 | int dim[] = new int[dcount]; |
| 98 | for (int i=0; i<dcount; i++) { |
| 99 | dim[i]=0; |
| 100 | } |
| 101 | return Array.newInstance(component, dim).getClass(); |
| 102 | } else { |
| 103 | return loader.loadClass(cname); |
| 104 | } |
| 105 | } |
| 106 | } |