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src/share/classes/com/sun/corba/se/impl/ior/OldJIDLObjectKeyTemplate.java@6845b95cba6b (annotated)

src/share/classes/com/sun/corba/se/impl/ior/OldJIDLObjectKeyTemplate.java

Thu, 31 Aug 2017 18:10:36 +0800

author

aoqi

date

Thu, 31 Aug 2017 18:10:36 +0800

changeset 748

6845b95cba6b

parent 158

91006f157c46

parent 0

7ef37b2cdcad

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.corba.se.impl.ior;
aoqi@0	27
aoqi@0	28	import org.omg.CORBA.OctetSeqHolder ;
aoqi@0	29
aoqi@0	30	import org.omg.CORBA_2_3.portable.InputStream ;
aoqi@0	31	import org.omg.CORBA_2_3.portable.OutputStream ;
aoqi@0	32
aoqi@0	33	import com.sun.corba.se.spi.ior.ObjectId ;
aoqi@0	34	import com.sun.corba.se.spi.ior.ObjectKeyFactory ;
aoqi@0	35
aoqi@0	36	import com.sun.corba.se.spi.orb.ORB ;
aoqi@0	37	import com.sun.corba.se.spi.orb.ORBVersion ;
aoqi@0	38	import com.sun.corba.se.spi.orb.ORBVersionFactory ;
aoqi@0	39
aoqi@0	40	import com.sun.corba.se.impl.ior.ObjectKeyFactoryImpl ;
aoqi@0	41
aoqi@0	42	import com.sun.corba.se.impl.encoding.CDRInputStream ;
aoqi@0	43
aoqi@0	44	/**
aoqi@0	45	* Handles object keys created by JDK ORBs from before JDK 1.4.0.
aoqi@0	46	*/
aoqi@0	47	public final class OldJIDLObjectKeyTemplate extends OldObjectKeyTemplateBase
aoqi@0	48	{
aoqi@0	49	/**
aoqi@0	50	* JDK 1.3.1 FCS did not include a version byte at the end of
aoqi@0	51	* its object keys. JDK 1.3.1_01 included the byte with the
aoqi@0	52	* value 1. Anything below 1 is considered an invalid value.
aoqi@0	53	*/
aoqi@0	54	public static final byte NULL_PATCH_VERSION = 0;
aoqi@0	55
aoqi@0	56	byte patchVersion = OldJIDLObjectKeyTemplate.NULL_PATCH_VERSION;
aoqi@0	57
aoqi@0	58	public OldJIDLObjectKeyTemplate( ORB orb, int magic, int scid,
aoqi@0	59	InputStream is, OctetSeqHolder osh )
aoqi@0	60	{
aoqi@0	61	this( orb, magic, scid, is );
aoqi@0	62
aoqi@0	63	osh.value = readObjectKey( is ) ;
aoqi@0	64
aoqi@0	65	/**
aoqi@0	66	* Beginning with JDK 1.3.1_01, a byte was placed at the end of
aoqi@0	67	* the object key with a value indicating the patch version.
aoqi@0	68	* JDK 1.3.1_01 had the value 1. If other patches are necessary
aoqi@0	69	* which involve ORB versioning changes, they should increment
aoqi@0	70	* the patch version.
aoqi@0	71	*
aoqi@0	72	* Note that if we see a value greater than 1 in this code, we
aoqi@0	73	* will treat it as if we're talking to the most recent ORB version.
aoqi@0	74	*
aoqi@0	75	* WARNING: This code is sensitive to changes in CDRInputStream
aoqi@0	76	* getPosition. It assumes that the CDRInputStream is an
aoqi@0	77	* encapsulation whose position can be compared to the object
aoqi@0	78	* key array length.
aoqi@0	79	*/
aoqi@0	80	if (magic == ObjectKeyFactoryImpl.JAVAMAGIC_NEW &&
aoqi@0	81	osh.value.length > ((CDRInputStream)is).getPosition()) {
aoqi@0	82
aoqi@0	83	patchVersion = is.read_octet();
aoqi@0	84
aoqi@0	85	if (patchVersion == ObjectKeyFactoryImpl.JDK1_3_1_01_PATCH_LEVEL)
aoqi@0	86	setORBVersion(ORBVersionFactory.getJDK1_3_1_01());
aoqi@0	87	else if (patchVersion > ObjectKeyFactoryImpl.JDK1_3_1_01_PATCH_LEVEL)
aoqi@0	88	setORBVersion(ORBVersionFactory.getORBVersion());
aoqi@0	89	else
aoqi@0	90	throw wrapper.invalidJdk131PatchLevel( new Integer( patchVersion ) ) ;
aoqi@0	91	}
aoqi@0	92	}
aoqi@0	93
aoqi@0	94
aoqi@0	95	public OldJIDLObjectKeyTemplate( ORB orb, int magic, int scid, int serverid)
aoqi@0	96	{
aoqi@0	97	super( orb, magic, scid, serverid, JIDL_ORB_ID, JIDL_OAID ) ;
aoqi@0	98	}
aoqi@0	99
aoqi@0	100	public OldJIDLObjectKeyTemplate(ORB orb, int magic, int scid, InputStream is)
aoqi@0	101	{
aoqi@0	102	this( orb, magic, scid, is.read_long() ) ;
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	protected void writeTemplate( OutputStream os )
aoqi@0	106	{
aoqi@0	107	os.write_long( getMagic() ) ;
aoqi@0	108	os.write_long( getSubcontractId() ) ;
aoqi@0	109	os.write_long( getServerId() ) ;
aoqi@0	110	}
aoqi@0	111
aoqi@0	112	public void write(ObjectId objectId, OutputStream os)
aoqi@0	113	{
aoqi@0	114	super.write(objectId, os);
aoqi@0	115
aoqi@0	116	if (patchVersion != OldJIDLObjectKeyTemplate.NULL_PATCH_VERSION)
aoqi@0	117	os.write_octet( patchVersion ) ;
aoqi@0	118	}
aoqi@0	119	}