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

 /*

  * Copyright 1999 Sun Microsystems, Inc.  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.  Sun designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.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:

 // -D62023 klr new class

 import java.io.PrintWriter;

 import java.util.Vector;

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

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

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

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

 /**

  *

  **/

 public class DefaultFactory implements AuxGen

 {

   /**

    * Public zero-argument constructor.

    **/

   public DefaultFactory ()

   {

   } // ctor

   /**

    * Generate the default value factory class. Provides general algorithm for

    * auxiliary binding generation:

    * 1.) Initialize symbol table and symbol table entry members,

    *     common to all generators.

    * 2.) Initialize members unique to this generator.

    * 3.) Open print stream

    * 4.) Write class heading (package, prologue, source comment, class

    *     statement, open curly

    * 5.) Write class body (member data and methods)

    * 6.) Write class closing (close curly)

    * 7.) Close the print stream

    **/

   public void generate (java.util.Hashtable symbolTable, com.sun.tools.corba.se.idl.SymtabEntry entry)

   {

     this.symbolTable = symbolTable;

     this.entry       = entry;

     init ();

     openStream ();

     if (stream == null)

       return;

     writeHeading ();

     writeBody ();

     writeClosing ();

     closeStream ();

   } // generate

   /**

    * Initialize variables unique to this generator.

    **/

   protected void init ()

   {

     factoryClass = entry.name () + "DefaultFactory";

     factoryInterface = entry.name () + "ValueFactory";

     factoryType = Util.javaName (entry);

     implType = entry.name () + "Impl"; // default implementation class

   } // init

   /**

    * @return true if entry has any factory methods declared

    **/

   protected boolean hasFactoryMethods ()

   {

     Vector init = ((ValueEntry)entry).initializers ();

     if (init != null && init.size () > 0)

       return true;

     else

       return false;

   } // hasFactoryMethods

   /**

    * Open the print stream for subsequent output.

    **/

   protected void openStream ()

   {

     stream = Util.stream (entry, "DefaultFactory.java");

   } // openStream

   /**

    * Generate the heading, including the package, imports,

    * source comment, class statement, and left curly.

    **/

   protected void writeHeading ()

   {

     Util.writePackage (stream, entry, Util.TypeFile); // REVISIT - same as interface?

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

     if (entry.comment () != null)

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

     stream.print ("public class " + factoryClass + " implements ");

     if (hasFactoryMethods ())

         stream.print (factoryInterface);

     else

         stream.print ("org.omg.CORBA.portable.ValueFactory");

     stream.println (" {");

   } // writeHeading

   /**

    * Generate the contents of this class

    **/

   protected void writeBody ()

   {

     writeFactoryMethods ();

     stream.println ();

     writeReadValue ();

   } // writeBody

   /**

    * Generate members of this class.

    **/

   protected void writeFactoryMethods ()

   {

     Vector init = ((ValueEntry)entry).initializers ();

     if (init != null)

     {

       for (int i = 0; i < init.size (); i++)

       {

         MethodEntry element = (MethodEntry) init.elementAt (i);

         element.valueMethod (true); //tag value method if not tagged previously

         ((MethodGen24) element.generator ()).defaultFactoryMethod (symbolTable, element, stream);

       }

     }

   } // writeFactoryMethods

   /**

    * Generate default read_value

    **/

   protected void writeReadValue ()

   {

      stream.println ("  public java.io.Serializable read_value (org.omg.CORBA_2_3.portable.InputStream is)");

      stream.println ("  {");

      stream.println ("    return is.read_value(new " + implType + " ());");

      stream.println ("  }");

   } // writeReadValue

   /**

    * Generate the closing statements.

    **/

   protected void writeClosing ()

   {

     stream.println ('}');

   } // writeClosing

   /**

    * Write the stream to file by closing the print stream.

    **/

   protected void closeStream ()

   {

     stream.close ();

   } // closeStream

   protected java.util.Hashtable     symbolTable;

   protected com.sun.tools.corba.se.idl.SymtabEntry entry;

   protected GenFileStream           stream;

   // Unique to this generator

   protected String factoryClass;

   protected String factoryInterface;

   protected String factoryType;

   protected String implType;

 } // class Holder