| /* |
| * Copyright (c) 1999, 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: |
| // -D61056 <klr> Use Util.helperName |
| |
| import java.io.File; |
| import java.io.PrintWriter; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Vector; |
| |
| import com.sun.tools.corba.se.idl.GenFileStream; |
| import com.sun.tools.corba.se.idl.EnumEntry; |
| import com.sun.tools.corba.se.idl.SymtabEntry; |
| |
| /** |
| * |
| **/ |
| public class EnumGen implements com.sun.tools.corba.se.idl.EnumGen, JavaGenerator |
| { |
| /** |
| * Public zero-argument constructor. |
| **/ |
| public EnumGen () |
| { |
| } // ctor |
| |
| /** |
| * Generate the Java code for an IDL enumeration. |
| **/ |
| public void generate (Hashtable symbolTable, EnumEntry e, PrintWriter s) |
| { |
| this.symbolTable = symbolTable; |
| this.e = e; |
| init (); |
| |
| openStream (); |
| if (stream == null) return; |
| generateHolder (); |
| generateHelper (); |
| writeHeading (); |
| writeBody (); |
| writeClosing (); |
| closeStream (); |
| } // generate |
| |
| /** |
| * Initialize members unique to this generator. |
| **/ |
| protected void init () |
| { |
| className = e.name (); |
| fullClassName = Util.javaName (e); |
| } |
| |
| /** |
| * Open the print stream to which to write the enumeration class. |
| **/ |
| protected void openStream () |
| { |
| stream = Util.stream (e, ".java"); |
| } |
| |
| /** |
| * Generate the holder class for this enumeration. |
| **/ |
| protected void generateHolder () |
| { |
| ((Factories)Compile.compiler.factories ()).holder ().generate (symbolTable, e); |
| } |
| |
| /** |
| * Generate the helper class for this enumeration. |
| **/ |
| protected void generateHelper () |
| { |
| ((Factories)Compile.compiler.factories ()).helper ().generate (symbolTable, e); |
| } |
| |
| /** |
| * Write the heading of the enumeration class, including the package, |
| * imports, class statement, and open curly. |
| **/ |
| protected void writeHeading () |
| { |
| Util.writePackage (stream, e); |
| Util.writeProlog (stream, ((GenFileStream)stream).name ()); |
| if (e.comment () != null) |
| e.comment ().generate ("", stream); |
| stream.println ("public class " + className + " implements org.omg.CORBA.portable.IDLEntity"); |
| stream.println ("{"); |
| } |
| |
| /** |
| * Write the members of enumeration class. |
| **/ |
| protected void writeBody () |
| { |
| stream.println (" private int __value;"); |
| stream.println (" private static int __size = " + (e.elements ().size ()) + ';'); |
| stream.println (" private static " + fullClassName + "[] __array = new " + fullClassName + " [__size];"); |
| stream.println (); |
| for (int i = 0; i < e.elements ().size (); ++i) |
| { |
| String label = (String)e.elements ().elementAt (i); |
| stream.println (" public static final int _" + label + " = " + i + ';'); |
| stream.println (" public static final " + fullClassName + ' ' + label + " = new " + fullClassName + "(_" + label + ");"); |
| } |
| stream.println (); |
| writeValue (); |
| writeFromInt (); |
| writeCtors (); |
| } |
| |
| /** |
| * Write the value method for the enumeration class. |
| **/ |
| protected void writeValue () |
| { |
| stream.println (" public int value ()"); |
| stream.println (" {"); |
| stream.println (" return __value;"); |
| stream.println (" }"); |
| stream.println (); |
| } // writeValue |
| |
| /** |
| * Write the from_int method for the enumeration class. |
| **/ |
| protected void writeFromInt () |
| { |
| stream.println (" public static " + fullClassName + " from_int (int value)"); |
| stream.println (" {"); |
| stream.println (" if (value >= 0 && value < __size)"); |
| stream.println (" return __array[value];"); |
| stream.println (" else"); |
| stream.println (" throw new org.omg.CORBA.BAD_PARAM ();"); |
| stream.println (" }"); |
| stream.println (); |
| } |
| |
| /** |
| * Write the protected constructor for the enumeration class. |
| **/ |
| protected void writeCtors () |
| { |
| stream.println (" protected " + className + " (int value)"); |
| stream.println (" {"); |
| stream.println (" __value = value;"); |
| stream.println (" __array[__value] = this;"); |
| stream.println (" }"); |
| } |
| |
| /** |
| * Close the enumeration class. |
| **/ |
| protected void writeClosing () |
| { |
| stream.println ("} // class " + className); |
| } |
| |
| /** |
| * Close the print stream, which writes the stream to file. |
| **/ |
| protected void closeStream () |
| { |
| stream.close (); |
| } |
| |
| /////////////// |
| // From JavaGenerator |
| |
| public int helperType (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream) |
| { |
| tcoffsets.set (entry); |
| EnumEntry enumEntry = (EnumEntry)entry; |
| StringBuffer emit = new StringBuffer ("new String[] { "); |
| Enumeration e = enumEntry.elements ().elements (); |
| boolean firstTime = true; |
| while (e.hasMoreElements ()) |
| { |
| if (firstTime) |
| firstTime = false; |
| else |
| emit.append (", "); |
| emit.append ('"' + Util.stripLeadingUnderscores ((String)e.nextElement ()) + '"'); |
| } |
| emit.append ("} "); |
| stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_enum_tc (" |
| + Util.helperName (enumEntry, true) + ".id (), \"" // <54697> // <d61056> |
| // + "_id, \"" <54697> |
| + Util.stripLeadingUnderscores (entry.name ()) + "\", " |
| + new String (emit) + ");"); |
| return index + 1; |
| |
| } // helperType |
| |
| public int type (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream) { |
| stream.println (indent + name + " = " + Util.helperName (entry, true) + ".type ();"); // <d61056> |
| return index; |
| } // type |
| |
| public void helperRead (String entryName, SymtabEntry entry, PrintWriter stream) |
| { |
| stream.println (" return " + Util.javaQualifiedName (entry) + ".from_int (istream.read_long ());"); |
| } // helperRead |
| |
| public void helperWrite (SymtabEntry entry, PrintWriter stream) |
| { |
| stream.println (" ostream.write_long (value.value ());"); |
| } // helperWrite |
| |
| public int read (int index, String indent, String name, SymtabEntry entry, PrintWriter stream) |
| { |
| stream.println (indent + name + " = " + Util.javaQualifiedName (entry) + ".from_int (istream.read_long ());"); |
| return index; |
| } // read |
| |
| public int write (int index, String indent, String name, SymtabEntry entry, PrintWriter stream) |
| { |
| stream.println (indent + "ostream.write_long (" + name + ".value ());"); |
| return index; |
| } // write |
| |
| // From JavaGenerator |
| /////////////// |
| |
| protected Hashtable symbolTable = null; |
| protected EnumEntry e = null; |
| protected PrintWriter stream = null; |
| |
| // Member data unique to this generator |
| String className = null; |
| String fullClassName = null; |
| } // class EnumGen |
| |
| |
| /*============================================================================ |
| DATE<AUTHOR> ACTION |
| ---------------------------------------------------------------------------- |
| 31jul1997<daz> Modified to write comment immediately preceding class defining |
| enumeration declaration. |
| 12dec1998<klr> D55971 - omg 98-11-03 Java 2.4 RTF - make subclassable |
| ===========================================================================*/ |