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:

 // -D61056   <klr> Use Util.helperName

 import java.io.PrintWriter;

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

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

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

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

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

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

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

 /**

  *

  **/

 public class Holder implements AuxGen

 {

   /**

    * Public zero-argument constructor.

    **/

   public Holder ()

   {

   } // ctor

   /**

    * Generate the holder 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 ()

   {

     holderClass = entry.name () + "Holder";

     helperClass = Util.helperName (entry, true); // <d61056>

     if (entry instanceof ValueBoxEntry)

     {

       ValueBoxEntry v = (ValueBoxEntry) entry;

       TypedefEntry member = ((InterfaceState) v.state ().elementAt (0)).entry;

       SymtabEntry mType =  member.type ();

       holderType = Util.javaName (mType);

     }

     else

       holderType = Util.javaName (entry);

   } // init

   /**

    * Open the print stream for subsequent output.

    **/

   protected void openStream ()

   {

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

   } // openStream

   /**

    * Generate the heading, including the package, imports,

    * source comment, class statement, and left curly.

    **/

   protected void writeHeading ()

   {

     Util.writePackage (stream, entry, Util.HolderFile);

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

     if (entry.comment () != null)

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

     stream.println ("public final class " + holderClass + " implements org.omg.CORBA.portable.Streamable");

     stream.println ('{');

   } // writeHeading

   /**

    * Generate members of this class.

    **/

   protected void writeBody ()

   {

     if (entry instanceof ValueBoxEntry)

       stream.println ("  public " + holderType + " value;");

     else

       Util.writeInitializer ("  public ", "value", "", entry, stream);

     stream.println ();

     writeCtors ();

     writeRead ();

     writeWrite ();

     writeType ();

   } // writeBody

   /**

    * 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

   /**

    * Generate the constructors.

    **/

   protected void writeCtors ()

   {

     stream.println ("  public " + holderClass + " ()");

     stream.println ("  {");

     stream.println ("  }");

     stream.println ();

     stream.println ("  public " + holderClass + " (" + holderType + " initialValue)");

     stream.println ("  {");

     stream.println ("    value = initialValue;");

     stream.println ("  }");

     stream.println ();

   } // writeCtors

   /**

    * Generate the _read method.

    **/

   protected void writeRead ()

   {

     stream.println ("  public void _read (org.omg.CORBA.portable.InputStream i)");

     stream.println ("  {");

     if (entry instanceof ValueBoxEntry)

     {

       TypedefEntry member = ((InterfaceState) ((ValueBoxEntry) entry).state ().elementAt (0)).entry;

       SymtabEntry mType = member.type ();

       if (mType instanceof StringEntry)

         stream.println ("    value = i.read_string ();");

       else if (mType instanceof PrimitiveEntry)

         stream.println ("    value = " + helperClass + ".read (i).value;");

       else

         stream.println ("    value = " + helperClass + ".read (i);");

     }

     else

       stream.println ("    value = " + helperClass + ".read (i);");

     stream.println ("  }");

     stream.println ();

   } // writeRead

   /**

    * Generate the _write method.

    **/

   protected void writeWrite ()

   {

     stream.println ("  public void _write (org.omg.CORBA.portable.OutputStream o)");

     stream.println ("  {");

     if (entry instanceof ValueBoxEntry)

     {

       TypedefEntry member = ((InterfaceState) ((ValueBoxEntry) entry).state ().elementAt (0)).entry;

       SymtabEntry mType = member.type ();

       if (mType instanceof StringEntry)

         stream.println ("    o.write_string (value);");

       else if (mType instanceof PrimitiveEntry)

       {

         String name = entry.name ();

         stream.println ("    " + name + " vb = new " + name + " (value);");

         stream.println ("    " + helperClass + ".write (o, vb);");

       }

       else

         stream.println ("    " + helperClass + ".write (o, value);");

     }

     else

       stream.println ("    " + helperClass + ".write (o, value);");

     stream.println ("  }");

     stream.println ();

   } // writeWrite

   /**

    * Generate the _type method.

    **/

   protected void writeType ()

   {

     stream.println ("  public org.omg.CORBA.TypeCode _type ()");

     stream.println ("  {");

     stream.println ("    return " + helperClass + ".type ();");

     stream.println ("  }");

     stream.println ();

   } // writeType

   protected java.util.Hashtable     symbolTable;

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

   protected GenFileStream           stream;

   // Unique to this generator

   protected String holderClass;

   protected String helperClass;

   protected String holderType;

 } // class Holder