Source for gnu.java.rmi.server.RMIObjectOutputStream

   1: /* RMIObjectOutputStream.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.ObjectOutputStream;
  44: import java.io.OutputStream;
  45: import java.rmi.Remote;
  46: import java.rmi.server.RMIClassLoader;
  47: import java.rmi.server.RemoteStub;
  48: 
  49: public class RMIObjectOutputStream
  50:         extends ObjectOutputStream {
  51: 
  52: public RMIObjectOutputStream(OutputStream strm) throws IOException {
  53:         super(strm);
  54:         enableReplaceObject(true);
  55: }
  56: 
  57: //Separate it for override by MarshalledObject
  58: protected void setAnnotation(String annotation) throws IOException{
  59:     writeObject(annotation);
  60: }
  61: 
  62: protected void annotateClass(Class cls) throws IOException {
  63:         setAnnotation(RMIClassLoader.getClassAnnotation(cls));
  64: }
  65: 
  66: protected void annotateProxyClass(Class cls)
  67:         throws IOException
  68: {
  69:     annotateClass(cls);
  70: }
  71: 
  72: protected Object replaceObject(Object obj)
  73:         throws IOException
  74: {
  75:     if((obj instanceof Remote) && !(obj instanceof RemoteStub)){
  76:             UnicastServerRef ref = UnicastServer.getExportedRef((Remote)obj);
  77:             if (ref != null)
  78:                     return ref.getStub();
  79:     }
  80:     return obj;
  81: }
  82: 
  83: protected void writeValue(Object value, Class valueClass) throws IOException{
  84:     if(valueClass.isPrimitive()){
  85:         if(valueClass == Boolean.TYPE)
  86:             writeBoolean(((Boolean)value).booleanValue());
  87:         else
  88:         if(valueClass == Byte.TYPE)
  89:             writeByte(((Byte)value).byteValue());
  90:         else
  91:         if(valueClass == Character.TYPE)
  92:             writeChar(((Character)value).charValue());
  93:         else
  94:         if(valueClass == Short.TYPE)
  95:             writeShort(((Short)value).shortValue());
  96:         else
  97:         if(valueClass == Integer.TYPE)
  98:             writeInt(((Integer)value).intValue());
  99:         else
 100:         if(valueClass == Long.TYPE)
 101:             writeLong(((Long)value).longValue());
 102:         else
 103:         if(valueClass == Float.TYPE)
 104:             writeFloat(((Float)value).floatValue());
 105:         else
 106:         if(valueClass == Double.TYPE)
 107:             writeDouble(((Double)value).doubleValue());
 108:         else
 109:             throw new Error("Unsupported primitive class: " + valueClass);
 110:     } else
 111:         writeObject(value);
 112: }
 113: 
 114: }