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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/gnu/CORBA/GIOP/ServiceContext.java | |
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Diffstat (limited to 'libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java')
-rw-r--r-- | libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java b/libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java new file mode 100644 index 000000000..673ae0ba9 --- /dev/null +++ b/libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java @@ -0,0 +1,301 @@ +/* ServiceContext.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 gnu.CORBA.GIOP; + +import gnu.CORBA.CDR.AbstractCdrInput; +import gnu.CORBA.CDR.AbstractCdrOutput; + +import org.omg.CORBA.BAD_INV_ORDER; +import org.omg.CORBA.BAD_PARAM; +import org.omg.CORBA.CompletionStatus; +import org.omg.CORBA.portable.IDLEntity; + +/** + * Contains the ORB service data being passed. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public class ServiceContext + implements IDLEntity +{ + /** + * Use serialVersionUID for interoperability. + */ + private static final long serialVersionUID = 1; + + /* Standard values for the context_id. */ + public static final int TransactionService = 0; + + /** + * Defines code sets, used to encode wide and narrow characters. Required for + * messages with data structures, involving wide characters. + */ + public static final int CodeSets = 1; + + public static final int ChainBypassCheck = 2; + + public static final int ChainBypassInfo = 3; + + public static final int LogicalThreadId = 4; + + public static final int BI_DIR_IIOP = 5; + + public static final int SendingContextRunTime = 6; + + public static final int INVOCATION_POLICIES = 7; + + public static final int FORWARDED_IDENTITY = 8; + + /** + * Contains exception details if exception being transferred is other than + * System or User exception. javax.rmi uses this context to transfer arbitrary + * java exceptions as CORBA value types. + */ + public static final int UnknownExceptionInfo = 9; + + public static final int RTCorbaPriority = 10; + + public static final int RTCorbaPriorityRange = 11; + + public static final int FT_GROUP_VERSION = 12; + + public static final int FT_REQUEST = 13; + + public static final int ExceptionDetailMessage = 14; + + public static final int SecurityAttributeService = 15; + + public static final int ActivityService = 16; + + /** + * The context id (for instance, 0x1 for code sets context). At the moment of + * writing, the OMG defines 16 standard values and provides rules to register + * the vendor specific context ids. The range 0-4095 is reserved for the + * future standard OMG contexts. + */ + public int context_id; + + /** + * The context_data. + */ + public byte[] context_data; + + /** + * Crete unitialised instance. + */ + public ServiceContext() + { + } + + /** + * Create from omg context. + */ + public ServiceContext(org.omg.IOP.ServiceContext from) + { + context_id = from.context_id; + context_data = from.context_data; + } + + /** + * Read the context values from the stream. + * + * @param istream a stream to read from. + */ + public static ServiceContext read(AbstractCdrInput istream) + { + int id = istream.read_ulong(); + + switch (id) + { + case CodeSetServiceContext.ID: + + CodeSetServiceContext codeset = new CodeSetServiceContext(); + codeset.readContext(istream); + return codeset; + + default: + + ServiceContext ctx = new ServiceContext(); + ctx.context_id = id; + ctx.context_data = istream.read_sequence(); + return ctx; + } + } + + /** + * Read a sequence of contexts from the input stream. + */ + public static ServiceContext[] readSequence(AbstractCdrInput istream) + { + int size = istream.read_long(); + ServiceContext[] value = new gnu.CORBA.GIOP.ServiceContext[size]; + for (int i = 0; i < value.length; i++) + value[i] = read(istream); + return value; + } + + /** + * Write the context values into the stream. + * + * @param ostream a stream to write the data to. + */ + public void write(AbstractCdrOutput ostream) + { + ostream.write_ulong(context_id); + ostream.write_sequence(context_data); + } + + /** + * Write the sequence of contexts into the input stream. + */ + public static void writeSequence(AbstractCdrOutput ostream, ServiceContext[] value) + { + ostream.write_long(value.length); + for (int i = 0; i < value.length; i++) + value[i].write(ostream); + } + + /** + * Add context to the given array of contexts. + */ + public static void add(org.omg.IOP.ServiceContext[] cx, + org.omg.IOP.ServiceContext service_context, boolean replace) + { + int exists = -1; + + for (int i = 0; i < cx.length; i++) + if (cx[i].context_id == service_context.context_id) + exists = i; + + if (exists < 0) + { + // Add context. + org.omg.IOP.ServiceContext[] n = new org.omg.IOP.ServiceContext[cx.length + 1]; + for (int i = 0; i < cx.length; i++) + n[i] = cx[i]; + n[cx.length] = service_context; + } + else + { + // Replace context. + if (!replace) + throw new BAD_INV_ORDER("Repetetive setting of the context " + + service_context.context_id, 15, CompletionStatus.COMPLETED_NO); + else + cx[exists] = service_context; + } + } + + /** + * Add context to the given array of contexts. + */ + public static ServiceContext[] add(ServiceContext[] cx, + org.omg.IOP.ServiceContext service_context, boolean replace) + { + int exists = -1; + + for (int i = 0; i < cx.length; i++) + if (cx[i].context_id == service_context.context_id) + exists = i; + + if (exists < 0) + { + // Add context. + ServiceContext[] n = new ServiceContext[cx.length + 1]; + for (int i = 0; i < cx.length; i++) + n[i] = cx[i]; + n[cx.length] = new ServiceContext(service_context); + return n; + } + else + { + // Replace context. + if (!replace) + throw new BAD_INV_ORDER("Repetetive setting of the context " + + service_context.context_id, 15, CompletionStatus.COMPLETED_NO); + else + cx[exists] = new ServiceContext(service_context); + return cx; + } + } + + /** + * Find context with the given name in the context array. + */ + public static org.omg.IOP.ServiceContext findContext(int ctx_name, + org.omg.IOP.ServiceContext[] cx) + { + for (int i = 0; i < cx.length; i++) + if (cx[i].context_id == ctx_name) + return cx[i]; + throw new BAD_PARAM("No context with id " + ctx_name); + } + + /** + * Find context with the given name in the context array, converting into + * org.omg.IOP.ServiceContext. + */ + public static org.omg.IOP.ServiceContext findContext(int ctx_name, + ServiceContext[] cx) + { + for (int i = 0; i < cx.length; i++) + if (cx[i].context_id == ctx_name) + return new org.omg.IOP.ServiceContext(ctx_name, cx[i].context_data); + throw new BAD_PARAM("No context with id " + ctx_name); + } + + /** + * Find context with the given name in the context array without conversions. + */ + public static ServiceContext find(int ctx_name, ServiceContext[] cx) + { + for (int i = 0; i < cx.length; i++) + if (cx[i].context_id == ctx_name) + return cx[i]; + return null; + } + + /** + * Return a string representation. + */ + public String toString() + { + return "ctx " + context_id + ", size " + context_data.length; + } +} |