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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java | |
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Diffstat (limited to 'libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java')
-rw-r--r-- | libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java b/libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java new file mode 100644 index 000000000..6bc6ad0af --- /dev/null +++ b/libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java @@ -0,0 +1,94 @@ +/* ValueHandlerMultiFormat.java -- + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.rmi.CORBA; + +import org.omg.CORBA.portable.OutputStream; + +import java.io.Serializable; + +/** + * This interface extends the previous ValueHandler, supporting various stream + * format versions. The {@link ValueHandler} can be casted into this interface + * to access additional features. + * + * @since 1.5 + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public interface ValueHandlerMultiFormat + extends ValueHandler +{ + /** + * Get the maximal supported version for the value types, supported by + * this value handler. The versions are integer numbers, the currently valid + * values being 1 and 2. + * + * These two versions differ in how the additional data, stored by the + * writeObject method, are encoded. + * <ul> + * <li> For version 1 (GNU Classpath default), that data (if present) are + * written "as is". </li> + * <li>For version 2, this data fragment is enclosed within a CDR custom + * valuetype with no codebase and repository Id "RMI:org.omg.custom.<class>" + * where <class> is the fully-qualified name of the class whose writeObject + * method is being invoked. If the object does not write any data via + * writeObject method, the null valuetype (0x0) must be written.</li> + * </ul> + * As the version number is part of the value type record, there is no need + * to the format control during the reading. + * + * @return the maximal supported version. + */ + byte getMaximumStreamFormatVersion(); + + /** + * Write the value type to the output stream using the given format version. + * The older method {@link ValueHandler#writeValue} always uses the version 1. + * + * @param output the stream, where the value should be written, must implement + * {@link ValueOutputStream}. + * @param value the value that should be written. + * @param version the version of the format that must be used to write the + * value. + * + * @throws BAD_PARAM if the version number is less than 1 or greater than the + * maximal supported version. + */ + void writeValue(OutputStream output, Serializable value, byte version); +} |