Mercurial > jdk8-mips64-public > corba / file revision

 /*

  * Copyright (c) 1999, 2000, 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.

  */

 /*

  * COMPONENT_NAME: idl.toJava

  *

  * ORIGINS: 27

  *

  * Licensed Materials - Property of IBM

  * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999

  * RMI-IIOP v1.0

  *

  */

 package com.sun.tools.corba.se.idl.toJavaPortable;

 // NOTES:

 import java.io.File;

 import java.io.PrintWriter;

 import java.util.Hashtable;

 import java.util.Vector;

 import com.sun.tools.corba.se.idl.GenFileStream;

 import com.sun.tools.corba.se.idl.ConstEntry;

 import com.sun.tools.corba.se.idl.ModuleEntry;

 import com.sun.tools.corba.se.idl.PrimitiveEntry;

 import com.sun.tools.corba.se.idl.StringEntry;

 import com.sun.tools.corba.se.idl.SymtabEntry;

 import com.sun.tools.corba.se.idl.TypedefEntry;

 /**

  *

  **/

 public class ConstGen implements com.sun.tools.corba.se.idl.ConstGen

 {

   /**

    * Public zero-argument constructor.

    **/

   public ConstGen ()

   {

   } // ctor

   /**

    * Generate Java code for an IDL constant.  A constant is written to

    * a new class only when it is not a member of an interface; otherwise

    * it written to the interface class in which it resides.

    **/

   public void generate (Hashtable symbolTable, ConstEntry c, PrintWriter s)

   {

     this.symbolTable = symbolTable;

     this.c           = c;

     this.stream      = s;

     init ();

     if (c.container () instanceof ModuleEntry)

       generateConst ();

     else if (stream != null)

       writeConstExpr ();

   } // generate

   /**

    * Initialize members unique to this generator.

    **/

   protected void init ()

   {

   } // init

   /**

    * Generate the class defining the constant.

    **/

   protected void generateConst ()

   {

     openStream ();

     if (stream == null)

       return;

     writeHeading ();

     writeBody ();

     writeClosing ();

     closeStream ();

   } // generateConst

   /**

    * Open a new print stream only if the constant is not a member

    * of an interface.

    **/

   protected void openStream ()

   {

     stream = Util.stream (c, ".java");

   } // openStream

   /**

    * Write the heading for the class defining the constant.

    **/

   protected void writeHeading ()

   {

     Util.writePackage (stream, c);

     Util.writeProlog (stream, ((GenFileStream)stream).name ());

     stream.println ("public interface " + c.name ());

         // should not be done according to the mapping

         // + " extends org.omg.CORBA.portable.IDLEntity");

     stream.println ("{");

   } // writeHeading

   /**

    * Write the constant expression and any comment, if present.

    **/

   protected void writeBody ()

   {

     writeConstExpr ();

   } // writeBody

   /**

    * Write the entire constant expression and any comment, if present.

    **/

   protected void writeConstExpr ()

   {

     if (c.comment () != null)

       c.comment ().generate ("  ", stream);

     if (c.container () instanceof ModuleEntry) {

       stream.print ("  public static final " + Util.javaName (c.type ()) + " value = ");

     } else {

       stream.print ("  public static final " + Util.javaName (c.type ()) + ' ' + c.name () + " = ");

     }

     writeConstValue (c.type ());

   } // writeConstExpr

   /**

    * Write the constant's value according to its type.

    **/

   private void writeConstValue (SymtabEntry type)

   {

     if (type instanceof PrimitiveEntry)

       stream.println ('(' + Util.javaName (type) + ")(" + Util.parseExpression (c.value ()) + ");");

     else if (type instanceof StringEntry)

       stream.println (Util.parseExpression (c.value ()) + ';');

     else if (type instanceof TypedefEntry)

     {

       while (type instanceof TypedefEntry)

         type = type.type ();

       writeConstValue (type);

     }

     else

       stream.println (Util.parseExpression (c.value ()) + ';');

   } // writeValue

   /**

    * Generate any last words and close the class.

    **/

   protected void writeClosing ()

   {

     stream.println ("}");

   } // writeClosing

   /**

    * Close the print stream, causing the file to be written.

    **/

   protected void closeStream ()

   {

     stream.close ();

   } // closeStream

   protected java.util.Hashtable  symbolTable = null;

   protected ConstEntry           c           = null;

   protected PrintWriter          stream      = null;

 } // class ConstGen

 /*=======================================================================================

   DATE-AUTHOR   ACTION

   ---------------------------------------------------------------------------------------

   11sep1997daz  Return when print stream is null and container is NOT a module. Fixes

                 -keep option, which causes null print stream to be sent to ConstGen.

   31jul1997daz  Write source comment immediately preceding constant declaration.

   =======================================================================================*/