| /* |
| * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.corba.se.impl.interceptors; |
| |
| import org.omg.IOP.Codec; |
| import org.omg.IOP.CodecFactory; |
| import org.omg.IOP.CodecFactoryPackage.UnknownEncoding; |
| import org.omg.IOP.Encoding; |
| import org.omg.IOP.ENCODING_CDR_ENCAPS; |
| |
| import com.sun.corba.se.spi.logging.CORBALogDomains; |
| |
| import com.sun.corba.se.impl.logging.ORBUtilSystemException; |
| |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.LocalObject; |
| |
| /** |
| * CodecFactoryImpl is the implementation of the Codec Factory, as described |
| * in orbos/99-12-02. |
| */ |
| public final class CodecFactoryImpl |
| extends org.omg.CORBA.LocalObject |
| implements CodecFactory |
| { |
| // The ORB that created this Codec Factory |
| private ORB orb; |
| private ORBUtilSystemException wrapper ; |
| |
| // The maximum minor version of GIOP supported by this codec factory. |
| // Currently, this is 1.2. |
| private static final int MAX_MINOR_VERSION_SUPPORTED = 2; |
| |
| // The pre-created minor versions of Codec version 1.0, 1.1, ..., |
| // 1.(MAX_MINOR_VERSION_SUPPORTED) |
| private Codec codecs[] = new Codec[MAX_MINOR_VERSION_SUPPORTED + 1]; |
| |
| /** |
| * Creates a new CodecFactory implementation. Stores the ORB that |
| * created this factory, for later use by the Codec. |
| */ |
| public CodecFactoryImpl( ORB orb ) { |
| this.orb = orb; |
| wrapper = ORBUtilSystemException.get( |
| (com.sun.corba.se.spi.orb.ORB)orb, |
| CORBALogDomains.RPC_PROTOCOL ) ; |
| |
| // Precreate a codec for version 1.0 through |
| // 1.(MAX_MINOR_VERSION_SUPPORTED). This can be |
| // done since Codecs are immutable in their current implementation. |
| // This is an optimization that eliminates the overhead of creating |
| // a new Codec each time create_codec is called. |
| for( int minor = 0; minor <= MAX_MINOR_VERSION_SUPPORTED; minor++ ) { |
| codecs[minor] = new CDREncapsCodec( orb, 1, minor ); |
| } |
| } |
| |
| /** |
| * Creates a codec of the given encoding. The only format recognized |
| * by this factory is ENCODING_CDR_ENCAPS, versions 1.0 through |
| * 1.(MAX_MINOR_VERSION_SUPPORTED). |
| * |
| * @exception UnknownEncoding Thrown if this factory cannot create a |
| * Codec of the given encoding. |
| */ |
| public Codec create_codec ( Encoding enc ) |
| throws UnknownEncoding |
| { |
| if( enc == null ) nullParam(); |
| |
| Codec result = null; |
| |
| // This is the only format we can currently create codecs for: |
| if( (enc.format == ENCODING_CDR_ENCAPS.value) && |
| (enc.major_version == 1) ) |
| { |
| if( (enc.minor_version >= 0) && |
| (enc.minor_version <= MAX_MINOR_VERSION_SUPPORTED) ) |
| { |
| result = codecs[enc.minor_version]; |
| } |
| } |
| |
| if( result == null ) { |
| throw new UnknownEncoding(); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Called when an invalid null parameter was passed. Throws a |
| * BAD_PARAM with a minor code of 1 |
| */ |
| private void nullParam() |
| { |
| throw wrapper.nullParam() ; |
| } |
| } |