/*
* @(#)OldJIDLObjectKeyTemplate.java 1.13 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.corba.se.impl.ior;
import org.omg.CORBA.OctetSeqHolder ;
import org.omg.CORBA_2_3.portable.InputStream ;
import org.omg.CORBA_2_3.portable.OutputStream ;
import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.ObjectKeyFactory ;
import com.sun.corba.se.spi.orb.ORB ;
import com.sun.corba.se.spi.orb.ORBVersion ;
import com.sun.corba.se.spi.orb.ORBVersionFactory ;
import com.sun.corba.se.impl.ior.ObjectKeyFactoryImpl ;
import com.sun.corba.se.impl.encoding.CDRInputStream ;
/**
* Handles object keys created by JDK ORBs from before JDK 1.4.0.
*/
public final class OldJIDLObjectKeyTemplate extends OldObjectKeyTemplateBase
{
/**
* JDK 1.3.1 FCS did not include a version byte at the end of
* its object keys. JDK 1.3.1_01 included the byte with the
* value 1. Anything below 1 is considered an invalid value.
*/
public static final byte NULL_PATCH_VERSION = 0;
byte patchVersion = OldJIDLObjectKeyTemplate.NULL_PATCH_VERSION;
public OldJIDLObjectKeyTemplate( ORB orb, int magic, int scid,
InputStream is, OctetSeqHolder osh )
{
this( orb, magic, scid, is );
osh.value = readObjectKey( is ) ;
/**
* Beginning with JDK 1.3.1_01, a byte was placed at the end of
* the object key with a value indicating the patch version.
* JDK 1.3.1_01 had the value 1. If other patches are necessary
* which involve ORB versioning changes, they should increment
* the patch version.
*
* Note that if we see a value greater than 1 in this code, we
* will treat it as if we're talking to the most recent ORB version.
*
* WARNING: This code is sensitive to changes in CDRInputStream
* getPosition. It assumes that the CDRInputStream is an
* encapsulation whose position can be compared to the object
* key array length.
*/
if (magic == ObjectKeyFactoryImpl.JAVAMAGIC_NEW &&
osh.value.length > ((CDRInputStream)is).getPosition()) {
patchVersion = is.read_octet();
if (patchVersion == ObjectKeyFactoryImpl.JDK1_3_1_01_PATCH_LEVEL)
setORBVersion(ORBVersionFactory.getJDK1_3_1_01());
else if (patchVersion > ObjectKeyFactoryImpl.JDK1_3_1_01_PATCH_LEVEL)
setORBVersion(ORBVersionFactory.getORBVersion());
else
throw wrapper.invalidJdk131PatchLevel( new Integer( patchVersion ) ) ;
}
}
public OldJIDLObjectKeyTemplate( ORB orb, int magic, int scid, int serverid)
{
super( orb, magic, scid, serverid, JIDL_ORB_ID, JIDL_OAID ) ;
}
public OldJIDLObjectKeyTemplate(ORB orb, int magic, int scid, InputStream is)
{
this( orb, magic, scid, is.read_long() ) ;
}
protected void writeTemplate( OutputStream os )
{
os.write_long( getMagic() ) ;
os.write_long( getSubcontractId() ) ;
os.write_long( getServerId() ) ;
}
public void write(ObjectId objectId, OutputStream os)
{
super.write(objectId, os);
if (patchVersion != OldJIDLObjectKeyTemplate.NULL_PATCH_VERSION)
os.write_octet( patchVersion ) ;
}
}
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