1 /* RMIObjectInputStream.java --
2    Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004
3    Free Software Foundation, Inc.
4 
5 This file is part of GNU Classpath.
6 
7 GNU Classpath is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11 
12 GNU Classpath is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GNU Classpath; see the file COPYING.  If not, write to the
19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301 USA.
21 
22 Linking this library statically or dynamically with other modules is
23 making a combined work based on this library.  Thus, the terms and
24 conditions of the GNU General Public License cover the whole
25 combination.
26 
27 As a special exception, the copyright holders of this library give you
28 permission to link this library with independent modules to produce an
29 executable, regardless of the license terms of these independent
30 modules, and to copy and distribute the resulting executable under
31 terms of your choice, provided that you also meet, for each linked
32 independent module, the terms and conditions of the license of that
33 module.  An independent module is a module which is not derived from
34 or based on this library.  If you modify this library, you may extend
35 this exception to your version of the library, but you are not
36 obligated to do so.  If you do not wish to do so, delete this
37 exception statement from your version. */
38 
39 
40 package gnu.java.rmi.server;
41 
42 import java.io.IOException;
43 import java.io.InputStream;
44 import java.io.ObjectInputStream;
45 import java.io.ObjectStreamClass;
46 import java.lang.reflect.Proxy;
47 import java.net.MalformedURLException;
48 import java.rmi.server.RMIClassLoader;
49 
50 public class RMIObjectInputStream
51 	extends ObjectInputStream {
52 
RMIObjectInputStream(InputStream strm)53 public RMIObjectInputStream(InputStream strm) throws IOException {
54 	super(strm);
55 	enableResolveObject(true);
56 }
57 
resolveClass(ObjectStreamClass desc)58 protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
59 	String annotation = (String)getAnnotation();
60 
61 	try {
62 		if(annotation == null)
63 		    return (RMIClassLoader.loadClass(desc.getName()));
64 		else
65 		    return (RMIClassLoader.loadClass(annotation, desc.getName()));
66 	}
67 	catch (MalformedURLException _) {
68 		throw new ClassNotFoundException(desc.getName());
69 	}
70 }
71 
72 //Separate it for override by MarshalledObject
getAnnotation()73 protected Object getAnnotation()
74 	    throws IOException, ClassNotFoundException
75 {
76     return readObject();
77 }
78 
resolveProxyClass(String intfs[])79 protected Class resolveProxyClass(String intfs[])
80         throws IOException, ClassNotFoundException
81 {
82     String annotation = (String)getAnnotation();
83 
84     Class clss[] = new Class[intfs.length];
85     if(annotation == null)
86         clss[0] = RMIClassLoader.loadClass(intfs[0]);
87     else
88         clss[0] = RMIClassLoader.loadClass(annotation, intfs[0]);
89 
90     //assume all interfaces can be loaded by the same classloader
91     ClassLoader loader = clss[0].getClassLoader();
92     for (int i = 0; i < intfs.length; i++)
93         clss[i] = Class.forName(intfs[i], false, loader);
94 
95     try {
96     return Proxy.getProxyClass(loader, clss);
97 	} catch (IllegalArgumentException e) {
98 	    throw new ClassNotFoundException(null, e);
99 	}
100 }
101 
readValue(Class valueClass)102 protected Object readValue(Class valueClass) throws IOException, ClassNotFoundException {
103     if(valueClass.isPrimitive()){
104         if(valueClass == Boolean.TYPE)
105             return Boolean.valueOf(readBoolean());
106         if(valueClass == Byte.TYPE)
107             return new Byte(readByte());
108         if(valueClass == Character.TYPE)
109             return new Character(readChar());
110         if(valueClass == Short.TYPE)
111             return new Short(readShort());
112         if(valueClass == Integer.TYPE)
113             return new Integer(readInt());
114         if(valueClass == Long.TYPE)
115             return new Long(readLong());
116         if(valueClass == Float.TYPE)
117             return new Float(readFloat());
118         if(valueClass == Double.TYPE)
119             return new Double(readDouble());
120         else
121             throw new Error("Unsupported primitive class: " + valueClass);
122     } else
123         return readObject();
124 }
125 
126 }
127