libjava/classpath/gnu/java/rmi/server/RMIObjectInputStream.java

   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 import java.util.ArrayList;
  50
  51 public class RMIObjectInputStream
  52         extends ObjectInputStream {
  53
  54 public RMIObjectInputStream(InputStream strm) throws IOException {
  55         super(strm);
  56         enableResolveObject(true);
  57 }
  58
  59 protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
  60         String annotation = (String)getAnnotation();
  61
  62         try {
  63                 if(annotation == null)
  64                     return (RMIClassLoader.loadClass(desc.getName()));
  65                 else
  66                     return (RMIClassLoader.loadClass(annotation, desc.getName()));
  67         }
  68         catch (MalformedURLException _) {
  69                 throw new ClassNotFoundException(desc.getName());
  70         }
  71 }
  72
  73 //Separate it for override by MarshalledObject
  74 protected Object getAnnotation()
  75             throws IOException, ClassNotFoundException
  76 {
  77     return readObject();
  78 }
  79
  80
  81   protected Class resolveProxyClass(String intfs[]) throws IOException,
  82       ClassNotFoundException
  83   {
  84     String annotation = (String) getAnnotation();
  85
  86     Class clss[] = new Class[intfs.length];
  87
  88     for (int i = 0; i < intfs.length; i++)
  89       {
  90         if (annotation == null)
  91           clss[i] = RMIClassLoader.loadClass(intfs[i]);
  92         else
  93           clss[i] = RMIClassLoader.loadClass(annotation, intfs[i]);
  94       }
  95
  96     ClassLoader loader;
  97
  98     if (clss.length > 0)
  99       {
 100         // Chain all class loaders (they may differ).
 101         ArrayList loaders = new ArrayList(intfs.length);
 102         ClassLoader cx;
 103         for (int i = 0; i < clss.length; i++)
 104           {
 105             cx = clss[i].getClassLoader();
 106             if (!loaders.contains(cx))
 107               {
 108                 loaders.add(0, cx);
 109               }
 110           }
 111         loader = new CombinedClassLoader(loaders);
 112       }
 113     else
 114        loader = ClassLoader.getSystemClassLoader();
 115
 116     try
 117       {
 118         return Proxy.getProxyClass(loader, clss);
 119       }
 120     catch (IllegalArgumentException e)
 121       {
 122         throw new ClassNotFoundException(null, e);
 123       }
 124   }
 125
 126 protected Object readValue(Class valueClass) throws IOException, ClassNotFoundException {
 127     if(valueClass.isPrimitive()){
 128         if(valueClass == Boolean.TYPE)
 129             return Boolean.valueOf(readBoolean());
 130         if(valueClass == Byte.TYPE)
 131             return new Byte(readByte());
 132         if(valueClass == Character.TYPE)
 133             return new Character(readChar());
 134         if(valueClass == Short.TYPE)
 135             return new Short(readShort());
 136         if(valueClass == Integer.TYPE)
 137             return new Integer(readInt());
 138         if(valueClass == Long.TYPE)
 139             return new Long(readLong());
 140         if(valueClass == Float.TYPE)
 141             return new Float(readFloat());
 142         if(valueClass == Double.TYPE)
 143             return new Double(readDouble());
 144         else
 145             throw new Error("Unsupported primitive class: " + valueClass);
 146     } else
 147         return readObject();
 148 }
 149
 150 }