--- old/src/java.corba/share/classes/com/sun/corba/se/impl/encoding/BufferManagerFactory.java 2018-01-30 20:16:43.000000000 -0500 +++ /dev/null 2018-01-30 20:16:43.000000000 -0500 @@ -1,143 +0,0 @@ -/* - * Copyright (c) 2000, 2004, 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.encoding; - -import com.sun.corba.se.impl.encoding.BufferManagerRead; -import com.sun.corba.se.impl.encoding.BufferManagerReadGrow; -import com.sun.corba.se.impl.encoding.BufferManagerReadStream; -import com.sun.corba.se.impl.encoding.BufferManagerWrite; -import com.sun.corba.se.impl.protocol.giopmsgheaders.Message; -import com.sun.corba.se.impl.logging.ORBUtilSystemException; -import com.sun.corba.se.spi.logging.CORBALogDomains; -import com.sun.corba.se.spi.ior.iiop.GIOPVersion; -import com.sun.corba.se.spi.orb.ORB; - -import org.omg.CORBA.INTERNAL; - -/** - * Creates read/write buffer managers to handle over/under flow - * in CDR*putStream. - */ - -public class BufferManagerFactory -{ - public static final int GROW = 0; - public static final int COLLECT = 1; - public static final int STREAM = 2; - - // The next two methods allow creation of BufferManagers based on GIOP version. - // We may want more criteria to be involved in this decision. - // These are only used for sending messages (so could be fragmenting) - public static BufferManagerRead newBufferManagerRead( - GIOPVersion version, byte encodingVersion, ORB orb) { - - // REVISIT - On the reading side, shouldn't we monitor the incoming - // fragments on a given connection to determine what fragment size - // they're using, then use that ourselves? - - if (encodingVersion != Message.CDR_ENC_VERSION) { - return new BufferManagerReadGrow(orb); - } - - switch (version.intValue()) - { - case GIOPVersion.VERSION_1_0: - return new BufferManagerReadGrow(orb); - case GIOPVersion.VERSION_1_1: - case GIOPVersion.VERSION_1_2: - // The stream reader can handle fragmented and - // non fragmented messages - return new BufferManagerReadStream(orb); - default: - // REVISIT - what is appropriate? - throw new INTERNAL("Unknown GIOP version: " - + version); - } - } - - public static BufferManagerRead newBufferManagerRead( - int strategy, byte encodingVersion, ORB orb) { - - if (encodingVersion != Message.CDR_ENC_VERSION) { - if (strategy != BufferManagerFactory.GROW) { - ORBUtilSystemException wrapper = - ORBUtilSystemException.get((ORB)orb, - CORBALogDomains.RPC_ENCODING); - throw wrapper.invalidBuffMgrStrategy("newBufferManagerRead"); - } - return new BufferManagerReadGrow(orb); - } - switch (strategy) { - case BufferManagerFactory.GROW: - return new BufferManagerReadGrow(orb); - case BufferManagerFactory.COLLECT: - throw new INTERNAL("Collect strategy invalid for reading"); - case BufferManagerFactory.STREAM: - return new BufferManagerReadStream(orb); - default: - throw new INTERNAL("Unknown buffer manager read strategy: " - + strategy); - } - } - - public static BufferManagerWrite newBufferManagerWrite( - int strategy, byte encodingVersion, ORB orb) { - if (encodingVersion != Message.CDR_ENC_VERSION) { - if (strategy != BufferManagerFactory.GROW) { - ORBUtilSystemException wrapper = - ORBUtilSystemException.get((ORB)orb, - CORBALogDomains.RPC_ENCODING); - throw wrapper.invalidBuffMgrStrategy("newBufferManagerWrite"); - } - return new BufferManagerWriteGrow(orb); - } - switch (strategy) { - case BufferManagerFactory.GROW: - return new BufferManagerWriteGrow(orb); - case BufferManagerFactory.COLLECT: - return new BufferManagerWriteCollect(orb); - case BufferManagerFactory.STREAM: - return new BufferManagerWriteStream(orb); - default: - throw new INTERNAL("Unknown buffer manager write strategy: " - + strategy); - } - } - - public static BufferManagerWrite newBufferManagerWrite( - GIOPVersion version, byte encodingVersion, ORB orb) { - if (encodingVersion != Message.CDR_ENC_VERSION) { - return new BufferManagerWriteGrow(orb); - } - return BufferManagerFactory.newBufferManagerWrite( - orb.getORBData().getGIOPBuffMgrStrategy(version), - encodingVersion, orb); - } - - public static BufferManagerRead defaultBufferManagerRead(ORB orb) { - return new BufferManagerReadGrow(orb); - } -}