Source for gnu.java.rmi.server.RMIObjectInputStream

   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: 
  53: public RMIObjectInputStream(InputStream strm) throws IOException {
  54:     super(strm);
  55:     enableResolveObject(true);
  56: }
  57: 
  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
  73: protected Object getAnnotation()
  74:         throws IOException, ClassNotFoundException
  75: {
  76:     return readObject();
  77: }
  78:     
  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: 
 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: }