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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.iiop.rmi.ir;

import org.omg.CORBA.ORB;
import org.omg.CORBA.Any;
import org.omg.CORBA.TypeCode;
import org.omg.CORBA.TCKind;
import org.omg.CORBA.DefinitionKind;
import org.omg.CORBA.Repository;
import org.omg.CORBA.RepositoryHelper;
import org.omg.CORBA.ParameterDescription;
import org.omg.CORBA.ParameterMode;
import org.omg.CORBA.StructMember;
import org.omg.CORBA.ExceptionDef;
import org.omg.CORBA.ExceptionDefHelper;
import org.omg.PortableServer.POA;

import org.jboss.iiop.rmi.Util;
import org.jboss.iiop.rmi.ContainerAnalysis;
import org.jboss.iiop.rmi.InterfaceAnalysis;
import org.jboss.iiop.rmi.ExceptionAnalysis;
import org.jboss.iiop.rmi.ValueAnalysis;
import org.jboss.iiop.rmi.ValueMemberAnalysis;
import org.jboss.iiop.rmi.ConstantAnalysis;
import org.jboss.iiop.rmi.AttributeAnalysis;
import org.jboss.iiop.rmi.OperationAnalysis;
import org.jboss.iiop.rmi.ParameterAnalysis;
import org.jboss.iiop.rmi.RMIIIOPViolationException;
import org.jboss.iiop.rmi.RmiIdlUtil;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.naming.InitialContext;
import javax.naming.NamingException;

/**
 *  An Interface Repository.
 *
 *  @author Ole Husgaard
 *  @version $Revision: 81018 $
 */
public class InterfaceRepository
{
   // Constants -----------------------------------------------------

   // Attributes ----------------------------------------------------

   // Static --------------------------------------------------------

   /**
    *  Maps java classes to IDL TypeCodes for primitives.
    */
   private static Map primitiveTypeCodeMap;

   /**
    *  Maps java classes to IDL TypeCodes for constants.
    */
   private static Map constantTypeCodeMap;

   static {
      // Get an ORB for creating type codes.
      ORB orb;
      try {
         orb = (ORB)new InitialContext().lookup("java:/JBossCorbaORB");
      } catch (NamingException ex) {
         throw new RuntimeException("Cannot lookup java:/JBossCorbaORB: "+ex);
      }

      // TypeCodes for primitive types
      primitiveTypeCodeMap = new HashMap();
      primitiveTypeCodeMap.put(Void.TYPE,
                               orb.get_primitive_tc(TCKind.tk_void));
      primitiveTypeCodeMap.put(Boolean.TYPE,
                               orb.get_primitive_tc(TCKind.tk_boolean));
      primitiveTypeCodeMap.put(Character.TYPE,
                               orb.get_primitive_tc(TCKind.tk_wchar));
      primitiveTypeCodeMap.put(Byte.TYPE,
                               orb.get_primitive_tc(TCKind.tk_octet));
      primitiveTypeCodeMap.put(Short.TYPE,
                               orb.get_primitive_tc(TCKind.tk_short));
      primitiveTypeCodeMap.put(Integer.TYPE,
                               orb.get_primitive_tc(TCKind.tk_long));
      primitiveTypeCodeMap.put(Long.TYPE,
                               orb.get_primitive_tc(TCKind.tk_longlong));
      primitiveTypeCodeMap.put(Float.TYPE,
                               orb.get_primitive_tc(TCKind.tk_float));
      primitiveTypeCodeMap.put(Double.TYPE,
                               orb.get_primitive_tc(TCKind.tk_double));

      // TypeCodes for constant types
      constantTypeCodeMap = new HashMap(primitiveTypeCodeMap);
      constantTypeCodeMap.put(String.class, orb.create_wstring_tc(0));
   } 

   /**
    *  Static logger used by the interface repository.
    */
   private static final org.jboss.logging.Logger logger = 
               org.jboss.logging.Logger.getLogger(InterfaceRepository.class);

   // Constructors --------------------------------------------------

   public InterfaceRepository(ORB orb, POA poa, String name)
   {
      this.orb = orb;
      this.poa = poa;
      impl = new RepositoryImpl(orb, poa, name);
   }

   // Public --------------------------------------------------------

   /**
    *  Add mapping for a class.
    */
   public void mapClass(Class cls)
      throws RMIIIOPViolationException, IRConstructionException
   {
      // Just lookup a TypeCode for the class: That will provoke
      // mapping the class and adding it to the IR.
      getTypeCode(cls);
   }


   /**
    *  Finish the build.
    */
   public void finishBuild()
      throws IRConstructionException
   {
      impl.allDone();
   }

   /**
    *  Return a CORBA reference to this IR.
    */
   public Repository getReference()
   {
      return RepositoryHelper.narrow(impl.getReference());
   }

   /**
    *  Deactivate all CORBA objects in this IR.
    */
   public void shutdown()
   {
      impl.shutdown();
   }

   // Z implementation ----------------------------------------------

   // Y overrides ---------------------------------------------------

   // Package protected ---------------------------------------------

   // Protected -----------------------------------------------------

   // Private -------------------------------------------------------

   /**
    *  The repository implementation.
    */
   RepositoryImpl impl;

   /**
    *  The ORB that I use.
    */
   private ORB orb = null;
 
   /**
    *  The POA that I use.
    */
   private POA poa = null;
 
   /**
    *  Maps java classes to IDL TypeCodes for parameter, result, attribute
    *  and value member types.
    */
   private Map typeCodeMap = new HashMap(primitiveTypeCodeMap);

   /**
    *  Maps java classes to InterfaceDefImpls for interfaces.
    */
   private Map interfaceMap = new HashMap();

   /**
    *  Maps java classes to ValueDefImpls for values.
    */
   private Map valueMap = new HashMap();

   /**
    *  Maps java classes to ExceptionDefImpls for exceptions.
    */
   private Map exceptionMap = new HashMap();

   /**
    *  Maps java classes to ValueBoxDefImpls for arrays.
    */
   private Map arrayMap = new HashMap();


   /**
    *  java.io.Serializable special mapping, as per section 1.3.10.1.
    *  Do not use this variable directly, use the
    *  getJavaIoSerializable() method instead, as that will
    *  create the typedef in the IR on demand.
    */
   private AliasDefImpl javaIoSerializable = null;
 
   /**
    *  java.io.Externalizable special mapping, as per section 1.3.10.1.
    *  Do not use this variable directly, use the
    *  getJavaIoExternalizable() method instead, as that will
    *  create the typedef in the IR on demand.
    */
   private AliasDefImpl javaIoExternalizable = null;

   /**
    *  java.lang.Object special mapping, as per section 1.3.10.2.
    *  Do not use this variable directly, use the
    *  getJavaLang_Object() method instead, as that will
    *  create the typedef in the IR on demand.
    */
   private AliasDefImpl javaLang_Object = null;
 
   /**
    *  java.lang.String special mapping, as per section 1.3.5.10.
    *  Do not use this variable directly, use the
    *  getJavaLangString() method instead, as that will
    *  create the value type in the IR on demand.
    */
   private ValueDefImpl javaLangString = null;
 
   /**
    *  java.lang.Class special mapping, as per section 1.3.5.11.
    *  Do not use this variable directly, use the
    *  getJavaxRmiCORBAClassDesc() method instead, as that will
    *  create the value type in the IR on demand.
    */
   private ValueDefImpl javaxRmiCORBAClassDesc = null;
 

   /**
    *  Returns the TypeCode suitable for an IDL constant.
    *  @param cls The Java class denoting the type of the constant.
    */
   private TypeCode getConstantTypeCode(Class cls)
      throws IRConstructionException
   {
      if (cls == null)
         throw new IllegalArgumentException("Null class");

      TypeCode ret = (TypeCode)constantTypeCodeMap.get(cls);

      if (ret == null)
         throw new IRConstructionException("Bad class \"" + cls.getName() +
                                           "\" for a constant.");

      return ret;
   }

   /**
    *  Returns the TypeCode IDL TypeCodes for parameter, result, attribute
    *  and value member types.
    *  This may provoke a mapping of the class argument.
    *
    *  Exception classes map to both values and exceptions. For these, this
    *  method returns the typecode for the value, and you can use the
    *  getExceptionTypeCode TODO method to get the typecode for the
    *  mapping to exception.
    *
    *  @param cls The Java class denoting the java type.
    */
   private TypeCode getTypeCode(Class cls)
      throws IRConstructionException, RMIIIOPViolationException
   {
      if (cls == null)
         throw new IllegalArgumentException("Null class");

      TypeCode ret = (TypeCode)typeCodeMap.get(cls);

      if (ret == null) {
         if (cls == java.lang.String.class)
            ret = getJavaLangString().type();
         else if (cls == java.lang.Object.class)
            ret = getJavaLang_Object().type();
         else if (cls == java.lang.Class.class)
            ret = getJavaxRmiCORBAClassDesc().type();
         else if (cls == java.io.Serializable.class)
            ret = getJavaIoSerializable().type();
         else if (cls == java.io.Externalizable.class)
            ret = getJavaIoExternalizable().type();
         else {
            // Try adding a mapping of the the class to the IR
            addClass(cls);

            // Lookup again, it should be there now.
            ret = (TypeCode)typeCodeMap.get(cls);

            if (ret == null)
              throw new IRConstructionException("TypeCode for class " +
                                                cls.getName() + " unknown.");
            else
               return ret;
         }

         typeCodeMap.put(cls, ret);
      }

      return ret;
   }

   /**
    *  Add a new IDL TypeCode for a mapped class.
    *
    *  @param cls The Java class denoting the java type.
    *  @param typeCode The IDL type code of the mapped java class.
    */
   private void addTypeCode(Class cls, TypeCode typeCode)
      throws IRConstructionException
   {
      if (cls == null)
         throw new IllegalArgumentException("Null class");

      TypeCode tc = (TypeCode)typeCodeMap.get(cls);

      if (tc != null)
         throw new IllegalArgumentException("Class " + cls.getName() +
                                            " already has TypeCode.");

      logger.trace("InterfaceRepository: added typecode for " + cls.getName());
      typeCodeMap.put(cls, typeCode);
   }

   /**
    *  Get a reference to the special case mapping for java.io.Serializable.
    *  This is according to "Java(TM) Language to IDL Mapping Specification",
    *  section 1.3.10.1
    */
   private AliasDefImpl getJavaIoSerializable()
      throws IRConstructionException
   {
      if (javaIoSerializable == null) {
         final String id = "IDL:java/io/Serializable:1.0";
         final String name = "Serializable";
         final String version = "1.0";
 
         // Get module to add typedef to.
         ModuleDefImpl m = ensurePackageExists("java.io");
 
         TypeCode typeCode = orb.create_alias_tc(id, name,
                                          orb.get_primitive_tc(TCKind.tk_any));
//         TypeCode typeCode = new TypeCodeImpl(TCKind._tk_alias, id, name,
//                                            new TypeCodeImpl(TCKind.tk_any));
 
         javaIoSerializable = new AliasDefImpl(id, name, version, m,
                                               typeCode, impl);
         m.add(name, javaIoSerializable);
      }
 
      return javaIoSerializable;
   }
 
   /**
    *  Get a reference to the special case mapping for java.io.Externalizable.
    *  This is according to "Java(TM) Language to IDL Mapping Specification",
    *  section 1.3.10.1
    */
   private AliasDefImpl getJavaIoExternalizable()
      throws IRConstructionException
   {
      if (javaIoExternalizable == null) {
         final String id = "IDL:java/io/Externalizable:1.0";
         final String name = "Externalizable";
         final String version = "1.0";
 
         // Get module to add typedef to.
         ModuleDefImpl m = ensurePackageExists("java.io");
 
         TypeCode typeCode = orb.create_alias_tc(id, name,
                                          orb.get_primitive_tc(TCKind.tk_any));
//         TypeCode typeCode = new TypeCodeImpl(TCKind._tk_alias, id, name,
//                                            new TypeCodeImpl(TCKind.tk_any));
 
         javaIoExternalizable = new AliasDefImpl(id, name, version, m,
                                               typeCode, impl);
         m.add(name, javaIoExternalizable);
      }
 
      return javaIoExternalizable;
   }

   /**
    *  Get a reference to the special case mapping for java.lang.Object.
    *  This is according to "Java(TM) Language to IDL Mapping Specification",
    *  section 1.3.10.2
    */
   private AliasDefImpl getJavaLang_Object()
      throws IRConstructionException
   {
      if (javaLang_Object == null) {
         final String id = "IDL:java/lang/_Object:1.0";
         final String name = "_Object";
         final String version = "1.0";
 
         // Get module to add typedef to.
         ModuleDefImpl m = ensurePackageExists("java.lang");
 
         TypeCode typeCode = orb.create_alias_tc(id, name,
                                          orb.get_primitive_tc(TCKind.tk_any));
//         TypeCode typeCode = new TypeCodeImpl(TCKind._tk_alias, id, name,
//                                            new TypeCodeImpl(TCKind.tk_any));
 
         javaLang_Object = new AliasDefImpl(id, name, version, m,
                                            typeCode, impl);
         m.add(name, javaLang_Object);
      }
 
      return javaLang_Object;
   }

   /**
    *  Get a reference to the special case mapping for java.lang.String.
    *  This is according to "Java(TM) Language to IDL Mapping Specification",
    *  section 1.3.5.10
    */
   private ValueDefImpl getJavaLangString()
      throws IRConstructionException
   {
      if (javaLangString == null) {
         ModuleDefImpl m = ensurePackageExists("org.omg.CORBA");
         ValueDefImpl val =
                         new ValueDefImpl("IDL:omg.org/CORBA/WStringValue:1.0",
                                          "WStringValue", "1.0",
                                          m, false, false, 
                                          new String[0], new String[0],
                                          orb.get_primitive_tc(TCKind.tk_null),
                                          impl);
         ValueMemberDefImpl vmdi =
              new ValueMemberDefImpl("IDL:omg.org/CORBA/WStringValue.data:1.0",
                                     "data", "1.0", orb.create_wstring_tc(0),
                                     true, val, impl);
         val.add("data", vmdi);
         m.add("WStringValue", val);

         javaLangString = val;
      }
 
      return javaLangString;
   }

   /**
    *  Get a reference to the special case mapping for java.lang.Class.
    *  This is according to "Java(TM) Language to IDL Mapping Specification",
    *  section 1.3.5.11.
    */
   private ValueDefImpl getJavaxRmiCORBAClassDesc()
      throws IRConstructionException, RMIIIOPViolationException
   {
      if (javaxRmiCORBAClassDesc == null) {
         // Just map the right value class
         ValueAnalysis va = ValueAnalysis.getValueAnalysis(javax.rmi.CORBA.ClassDesc.class);
         ValueDefImpl val = addValue(va);

         // Warn if it does not conform to the specification.
         if (!"RMI:javax.rmi.CORBA.ClassDesc:B7C4E3FC9EBDC311:CFBF02CF5294176B".equals(val.id()) )
            logger.debug("Compatibility problem: Class " +
                         "javax.rmi.CORBA.ClassDesc does not conform " +
                         "to the Java(TM) Language to IDL Mapping "+
                         "Specification (01-06-07), section 1.3.5.11.");

         javaxRmiCORBAClassDesc = val;
      }
 
      return javaxRmiCORBAClassDesc;
   }


   /**
    *  Ensure that a package exists in the IR.
    *  This will create modules in the IR as needed.
    *
    *  @param pkg
    *         The package that needs to be defined as a module in the IR.
    *
    *  @return A reference to the IR module that represents the package.
    */
   private ModuleDefImpl ensurePackageExists(String pkgName)
      throws IRConstructionException
   {
      return ensurePackageExists(impl, "", pkgName);
   }

   /**
    *  Ensure that a package exists in the IR.
    *  This will create modules in the IR as needed.
    *
    *  @param c
    *         The container that the remainder of modules should be defined in.
    *  @param previous
    *         The IDL module name, from root to c.
    *  @param remainder
    *         The java package name, relative to c.
    *
    *  @return A reference to the IR module that represents the package.
    */
   private ModuleDefImpl ensurePackageExists(LocalContainer c,
                                             String previous,
                                             String remainder)
      throws IRConstructionException
   {
      if ("".equals(remainder))
         return (ModuleDefImpl)c; // done
 
      int idx = remainder.indexOf('.');
      String base;
 
      if (idx == -1)
         base = remainder;
      else
         base = remainder.substring(0, idx);
      base = Util.javaToIDLName(base);
 
      if (previous.equals(""))
         previous = base;
      else
         previous = previous + "/" + base;
      if (idx == -1)
         remainder = "";
      else
         remainder = remainder.substring(idx + 1);
 
      LocalContainer next = null;
      LocalContained contained = (LocalContained)c._lookup(base);

      if (contained instanceof LocalContainer)
         next = (LocalContainer)contained;
      else if (contained != null)
         throw new IRConstructionException("Name collision while creating package.");
 
      if (next == null) {
         String id = "IDL:" + previous + ":1.0";
 
         // Create module
         ModuleDefImpl m = new ModuleDefImpl(id, base, "1.0", c, impl);
         logger.trace("Created module \"" + id + "\".");
 
         c.add(base, m);
 
         if (idx == -1)
            return m; // done
 
         next = (LocalContainer)c._lookup(base); // Better be there now...
      } else // Check that next _is_ a module
         if (next.def_kind() != DefinitionKind.dk_Module)
            throw new IRConstructionException("Name collision while creating package.");
 
      return ensurePackageExists(next, previous, remainder);
   }

   /**
    *  Add a set of constants to a container (interface or value class).
    */
   private void addConstants(LocalContainer container,
                             ContainerAnalysis ca)
      throws RMIIIOPViolationException, IRConstructionException
   {
      ConstantAnalysis[] consts = ca.getConstants();
      for (int i = 0; i < consts.length; ++i) {
         ConstantDefImpl cDef;
         String cid = ca.getMemberRepositoryId(consts[i].getJavaName());
         String cName = consts[i].getIDLName();
 
         Class cls = consts[i].getType();
         logger.trace("Constant["+i+"] class: " + cls.getName());
         TypeCode typeCode = getConstantTypeCode(cls);
 
         Any value = orb.create_any();
         consts[i].insertValue(value);

         logger.trace("Adding constant: " + cid);
         cDef = new ConstantDefImpl(cid, cName, "1.0",
                                    typeCode, value, container, impl);
         container.add(cName, cDef);
      }
   }

   /**
    *  Add a set of attributes to a container (interface or value class).
    */
   private void addAttributes(LocalContainer container,
                              ContainerAnalysis ca)
      throws RMIIIOPViolationException, IRConstructionException
   {
      AttributeAnalysis[] attrs = ca.getAttributes();
      logger.trace("Attribute count: " + attrs.length);
      for (int i = 0; i < attrs.length; ++i) {
         AttributeDefImpl aDef;
         String aid = ca.getMemberRepositoryId(attrs[i].getJavaName());
         String aName = attrs[i].getIDLName();
 
         Class cls = attrs[i].getCls();
         logger.trace("Attribute["+i+"] class: " + cls.getName());

         TypeCode typeCode = getTypeCode(cls);
 
         logger.trace("Adding: " + aid);
         aDef = new AttributeDefImpl(aid, aName, "1.0", attrs[i].getMode(),
                                     typeCode, container, impl);
         container.add(aName, aDef);
      }
   }

   /**
    *  Add a set of operations to a container (interface or value class).
    */
   private void addOperations(LocalContainer container,
                              ContainerAnalysis ca)
      throws RMIIIOPViolationException, IRConstructionException
   {
      OperationAnalysis[] ops = ca.getOperations();
      logger.debug("Operation count: " + ops.length);
      for (int i = 0; i < ops.length; ++i) {
         OperationDefImpl oDef;
         String oName = ops[i].getIDLName();
         String oid = ca.getMemberRepositoryId(oName);
 
         Class cls = ops[i].getReturnType();
         logger.debug("Operation["+i+"] return type class: " + cls.getName());
         TypeCode typeCode = getTypeCode(cls);
 
         ParameterAnalysis[] ps = ops[i].getParameters();
         ParameterDescription[] params = new ParameterDescription[ps.length];
         for (int j = 0; j < ps.length; ++j) {
            params[j] = new ParameterDescription(ps[j].getIDLName(),
                                                 getTypeCode(ps[j].getCls()),
                                                 null, // filled in later
                                                 ParameterMode.PARAM_IN);
         }

         ExceptionAnalysis[] exc = ops[i].getMappedExceptions();
         ExceptionDef[] exceptions = new ExceptionDef[exc.length];
         for (int j = 0; j < exc.length; ++j) {
            ExceptionDefImpl e = addException(exc[j]);
            exceptions[j] = ExceptionDefHelper.narrow(e.getReference());
         }
 
         logger.debug("Adding: " + oid);
         oDef = new OperationDefImpl(oid, oName, "1.0", container,
                                     typeCode, params, exceptions, impl);
         container.add(oName, oDef);
      }
   }

   /**
    *  Add a set of interfaces to the IR.
    *
    *  @return An array of the IR IDs of the interfaces.
    */
   private String[] addInterfaces(ContainerAnalysis ca)
      throws RMIIIOPViolationException, IRConstructionException
   {
      logger.trace("Adding interfaces: ");
      InterfaceAnalysis[] interfaces = ca.getInterfaces();
      List base_interfaces = new ArrayList();
      for (int i = 0; i < interfaces.length; ++i) {
         InterfaceDefImpl idi = addInterface(interfaces[i]);
         base_interfaces.add(idi.id());
         logger.trace("                   " + idi.id());
      }
      String[] strArr = new String[base_interfaces.size()];
      return (String[])base_interfaces.toArray(strArr);
   }

   /**
    *  Add a set of abstract valuetypes to the IR.
    *
    *  @return An array of the IR IDs of the abstract valuetypes.
    */
   private String[] addAbstractBaseValuetypes(ContainerAnalysis ca)
      throws RMIIIOPViolationException, IRConstructionException
   {
      logger.trace("Adding abstract valuetypes: ");
      ValueAnalysis[] abstractValuetypes = ca.getAbstractBaseValuetypes();
      List abstract_base_valuetypes = new ArrayList();
      for (int i = 0; i < abstractValuetypes.length; ++i) {
         ValueDefImpl vdi = addValue(abstractValuetypes[i]);
         abstract_base_valuetypes.add(vdi.id());
         logger.trace("                   " + vdi.id());
      }
      String[] strArr = new String[abstract_base_valuetypes.size()];
      return (String[])abstract_base_valuetypes.toArray(strArr);
   }

   /**
    *  Map the class and add its IIOP mapping to the repository.
    */
   private void addClass(Class cls)
      throws RMIIIOPViolationException, IRConstructionException
   {
      if (cls.isPrimitive())
         return; // No need to add primitives.

      if (cls.isArray()) {
         // Add array mapping
         addArray(cls);
      } else if (cls.isInterface()) {
         if (!RmiIdlUtil.isAbstractValueType(cls)) {
            // Analyse the interface
            InterfaceAnalysis ia = InterfaceAnalysis.getInterfaceAnalysis(cls);
        
            // Add analyzed interface (which may be abstract)
            addInterface(ia);
         }
         else {
            // Analyse the value
            ValueAnalysis va = ValueAnalysis.getValueAnalysis(cls);
            
            // Add analyzed value
            addValue(va);
         }
      } else if (Exception.class.isAssignableFrom(cls)) { // Exception type.
         // Analyse the exception
         ExceptionAnalysis ea = ExceptionAnalysis.getExceptionAnalysis(cls);

         // Add analyzed exception
         addException(ea);
      } else { // Got to be a value type.
         // Analyse the value
         ValueAnalysis va = ValueAnalysis.getValueAnalysis(cls);

         // Add analyzed value
         addValue(va);
      }
   }

   /**
    *  Add an array.
    */
   private ValueBoxDefImpl addArray(Class cls)
      throws RMIIIOPViolationException, IRConstructionException
   {
      if (!cls.isArray())
         throw new IllegalArgumentException("Not an array class.");

      ValueBoxDefImpl vbDef;

      // Lookup: Has it already been added?
      vbDef = (ValueBoxDefImpl)arrayMap.get(cls);
      if (vbDef != null)
         return vbDef; // Yes, just return it.

      int dimensions = 0;
      Class compType = cls;

      do {
         compType = compType.getComponentType();
         ++dimensions;
      } while (compType.isArray());

      String typeName;
      String moduleName;
      TypeCode typeCode;

      if (compType.isPrimitive()) {
         if (compType == Boolean.TYPE) {
            typeName = "boolean";
            typeCode = orb.get_primitive_tc(TCKind.tk_boolean);
         } else if (compType == Character.TYPE) {
            typeName = "wchar";
            typeCode = orb.get_primitive_tc(TCKind.tk_wchar);
         } else if (compType == Byte.TYPE) {
            typeName = "octet";
            typeCode = orb.get_primitive_tc(TCKind.tk_octet);
         } else if (compType == Short.TYPE) {
            typeName = "short";
            typeCode = orb.get_primitive_tc(TCKind.tk_short);
         } else if (compType == Integer.TYPE) {
            typeName = "long";
            typeCode = orb.get_primitive_tc(TCKind.tk_long);
         } else if (compType == Long.TYPE) {
            typeName = "long_long";
            typeCode = orb.get_primitive_tc(TCKind.tk_longlong);
         } else if (compType == Float.TYPE) {
            typeName = "float";
            typeCode = orb.get_primitive_tc(TCKind.tk_float);
         } else if (compType == Double.TYPE) {
            typeName = "double";
            typeCode = orb.get_primitive_tc(TCKind.tk_double);
         } else {
            throw new IRConstructionException("Unknown primitive type for " +
                                              "array type: " + cls.getName());
         }

         moduleName = "org.omg.boxedRMI";
      } else {
         typeCode = getTypeCode(compType); // map the component type.

         if (compType == java.lang.String.class)
            typeName = getJavaLangString().name();
         else if (compType == java.lang.Object.class)
            typeName = getJavaLang_Object().name();
         else if (compType == java.lang.Class.class)
            typeName = getJavaxRmiCORBAClassDesc().name();
         else if (compType == java.io.Serializable.class)
            typeName = getJavaIoSerializable().name();
         else if (compType == java.io.Externalizable.class)
            typeName = getJavaIoExternalizable().name();
         else if (compType.isInterface() && 
                  !RmiIdlUtil.isAbstractValueType(compType))
            typeName = ((InterfaceDefImpl)interfaceMap.get(compType)).name();
         else if (Exception.class.isAssignableFrom(compType)) // exception type
            typeName = ((ExceptionDefImpl)exceptionMap.get(compType)).name();
         else // must be value type
            typeName = ((ValueDefImpl)valueMap.get(compType)).name();

         moduleName = "org.omg.boxedRMI." + compType.getPackage().getName();
      }

      // Get module to add array to.
      ModuleDefImpl m = ensurePackageExists(moduleName);
 
      // Create an array of the types for the dimensions
      Class[] types = new Class[dimensions];
      types[dimensions-1] = cls;
      for (int i = dimensions - 2; i >= 0; --i)
         types[i] = types[i+1].getComponentType();

      // Create boxed sequences for all dimensions.
      for (int i = 0; i < dimensions; ++i) {
         Class type = types[i];

         typeCode = orb.create_sequence_tc(0, typeCode);
         vbDef = (ValueBoxDefImpl)arrayMap.get(type);
         if (vbDef == null) {
            String id = Util.getIRIdentifierOfClass(type);

            SequenceDefImpl sdi = new SequenceDefImpl(typeCode, impl);

            String name = "seq" + (i+1) + "_" + typeName;
//            TypeCode boxTypeCode = new TypeCodeImpl(TCKind._tk_value_box,
//                                                    id, name, typeCode);
            TypeCode boxTypeCode = orb.create_value_box_tc(id, name, typeCode);
            vbDef = new ValueBoxDefImpl(id, name, "1.0", m, boxTypeCode, impl);

            addTypeCode(type, vbDef.type());
            m.add(name, vbDef);
            impl.putSequenceImpl(id, typeCode, sdi, vbDef);

            arrayMap.put(type, vbDef); // Remember we mapped this.

            typeCode = boxTypeCode;
         } else
            typeCode = vbDef.type();
      }

      // Return the box of higest dimension.
      return vbDef;
   }

   /**
    *  Add an interface.
    */
   private InterfaceDefImpl addInterface(InterfaceAnalysis ia)
      throws RMIIIOPViolationException, IRConstructionException
   {
      InterfaceDefImpl iDef;
      Class cls = ia.getCls();

      // Lookup: Has it already been added?
      iDef = (InterfaceDefImpl)interfaceMap.get(cls);
      if (iDef != null)
         return iDef; // Yes, just return it.

      if (ia.isAbstractInterface())
         logger.trace("Adding abstract interface: " + ia.getRepositoryId());

      // Get module to add interface to.
      ModuleDefImpl m = ensurePackageExists(cls.getPackage().getName());
 
      // Add superinterfaces
      String[] base_interfaces = addInterfaces(ia);
 
      // Create the interface
      String base = cls.getName();
      base = base.substring(base.lastIndexOf('.')+1);
      base = Util.javaToIDLName(base);
 
      iDef = new InterfaceDefImpl(ia.getRepositoryId(),
                                  base, "1.0", m,
                                  base_interfaces, impl);
      addTypeCode(cls, iDef.type());
      m.add(base, iDef);
      interfaceMap.put(cls, iDef); // Remember we mapped this.
 
      // Fill in constants
      addConstants(iDef, ia);
 
      // Add attributes
      addAttributes(iDef, ia);
 
      // Fill in operations
      addOperations(iDef, ia);
 
      logger.trace("Added interface: " + ia.getRepositoryId());
      return iDef;
   }

   /**
    *  Add a value type.
    */
   private ValueDefImpl addValue(ValueAnalysis va)
      throws RMIIIOPViolationException, IRConstructionException
   {
      ValueDefImpl vDef;
      Class cls = va.getCls();

      // Lookup: Has it already been added?
      vDef = (ValueDefImpl)valueMap.get(cls);
      if (vDef != null)
         return vDef; // Yes, just return it.

      // Get module to add value to.
      ModuleDefImpl m = ensurePackageExists(cls.getPackage().getName());
 
      // Add implemented interfaces
      String[] supported_interfaces = addInterfaces(va);

      // Add abstract base valuetypes
      String[] abstract_base_valuetypes = addAbstractBaseValuetypes(va);

      // Add superclass
      ValueDefImpl superValue = null;
      ValueAnalysis superAnalysis = va.getSuperAnalysis();
      if (superAnalysis != null)
         superValue = addValue(superAnalysis);

      // Create the value
      String base = cls.getName();
      base = base.substring(base.lastIndexOf('.')+1);
      base = Util.javaToIDLName(base);

      TypeCode baseTypeCode;
      if (superValue == null)
         baseTypeCode = orb.get_primitive_tc(TCKind.tk_null);
      else
         baseTypeCode = superValue.type();
 
      vDef = new ValueDefImpl(va.getRepositoryId(), base, "1.0",
                              m,
                              va.isAbstractValue(),
                              va.isCustom(), 
                              supported_interfaces,
                              abstract_base_valuetypes,
                              baseTypeCode,
                              impl);
      addTypeCode(cls, vDef.type());
      logger.debug("Value: base=" + base);
      m.add(base, vDef);
      valueMap.put(cls, vDef); // Remember we mapped this.
 
      // Fill in constants.
      addConstants(vDef, va);
 
      // Add value members
      ValueMemberAnalysis[] vmas = va.getMembers();
      logger.debug("Value member count: " + vmas.length);
      for (int i = 0; i < vmas.length; ++i) {
         ValueMemberDefImpl vmDef;
         String vmid = va.getMemberRepositoryId(vmas[i].getJavaName());
         String vmName = vmas[i].getIDLName();
 
         Class vmCls = vmas[i].getCls();
         logger.debug("ValueMembers["+i+"] class: " + vmCls.getName());
         TypeCode typeCode = getTypeCode(vmCls);
 
         boolean vmPublic = vmas[i].isPublic();

         logger.debug("Adding value member: " + vmid);
         vmDef = new ValueMemberDefImpl(vmid, vmName, "1.0",
                                        typeCode, vmPublic, vDef, impl);
         vDef.add(vmName, vmDef);
      }
 
      // Add attributes
      addAttributes(vDef, va);
 
      // TODO: Fill in operations.
 
      return vDef;
   }

   /**
    *  Add an exception type.
    */
   private ExceptionDefImpl addException(ExceptionAnalysis ea)
      throws RMIIIOPViolationException, IRConstructionException
   {
      ExceptionDefImpl eDef;
      Class cls = ea.getCls();

      // Lookup: Has it already been added?
      eDef = (ExceptionDefImpl)exceptionMap.get(cls);
      if (eDef != null)
         return eDef; // Yes, just return it.

      // 1.3.7.1: map to value
      ValueDefImpl vDef = addValue(ea);

      // 1.3.7.2: map to exception
      ModuleDefImpl m = ensurePackageExists(cls.getPackage().getName());
      String base = cls.getName();
      base = base.substring(base.lastIndexOf('.')+1);
      if (base.endsWith("Exception"))
         base = base.substring(0, base.length()-9);
      base = Util.javaToIDLName(base + "Ex");

      StructMember[] members = new StructMember[1];
      members[0] = new StructMember("value", vDef.type(), null/*ignored*/);
      TypeCode typeCode
                       = orb.create_exception_tc(ea.getExceptionRepositoryId(),
                                                 base, members);

      eDef = new ExceptionDefImpl(ea.getExceptionRepositoryId(), base, "1.0",
                                  typeCode, vDef, m, impl);
      logger.debug("Exception: base=" + base);
      m.add(base, eDef);
      exceptionMap.put(cls, eDef); // Remember we mapped this.
 
      return eDef;
   }


   // Inner classes -------------------------------------------------
}




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