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diff --git a/libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java b/libjava/classpath/gnu/CORBA/GIOP/ServiceContext.java
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+/* 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;
+  }
+}