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Java example source code file (Factories.java)

This example Java source code file (Factories.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arguments, defaultsymtabfactory, factories, genfactory, string

The Factories.java Java example source code

/*
 * 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.parser
 *
 * 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;

// NOTES:

/**
 * If the framework is being extended, this class must be extended.
 * At very least, the genFactory method must be overridden to return
 * the code generator extensions.  The remaining methods may be overridden
 * if necessary:
 * <dl>
 * <dt>symtabFactory
 * <dd>If you wish to extend the symbol table entries, this method must return the factory which constructs those extensions.  If you only want to extend a few of the symbol table entries, it may be useful to extend com.sun.tools.corba.se.idl.DefaultSymtabFactory and only override the pertinent methods.
 * <dt>exprFactory
 * <dd>If you wish to extend the expression classes, this method must return the factory which constructs those extensions.  If you only want to extend a few of the expression classes, it may be useful to extend com.sun.tools.corba.se.idl.constExpr.DefaultSymtabFactory and only override the pertinent methods.
 * <dt>arguments
 * <dd>If you wish to add additional arguments to the base set of arguments, extend com.sun.tools.corba.se.idl.Arguments and override this method to return that class.
 * <dt>languageKeywords
 * <dd>If the language you are generating code in has keywords other than IDL keywords, these keywords should be returned by this method.  The framework will prepend any IDL identifiers it encounters which are in this list with an underscore (`_') to avoid compilation errors.  For instance, `catch' is a Java keyword.  If the generators are emitting Java code for the following IDL, emitting `catch' as is will cause compile errors, so it is changed to `_catch':
 * <br>
 * IDL:
 * <br>
 * const long catch = 22;
 * <br>
 * Possible generated code:
 * <br>
 * public static final int _catch = 22;
 * </dl>
 **/
public class Factories
{
  /** Return the implementation of the GenFactory interface.  If this
      returns null, then the compiler cannot generate anything. */
  public GenFactory genFactory ()
  {
    return null;
  } // genFactory

  /** Return the implementation of the SymtabFactory interface.  If this
      returns null, the default symbol table entries will be used. */
  public SymtabFactory symtabFactory ()
  {
    return new DefaultSymtabFactory ();
  } // symtabFactory

  /** Return the implementation of the ExprFactory interface.  If this
      returns null, the default expressions will be used. */
  public com.sun.tools.corba.se.idl.constExpr.ExprFactory exprFactory ()
  {
    return new com.sun.tools.corba.se.idl.constExpr.DefaultExprFactory ();
  } // exprFactory

  /** Return a subclass of the Arguments class.  If this returns null,
      the default will be used. */
  public Arguments arguments ()
  {
    return new Arguments ();
  } // arguments

  /** Return the list of keywords in the generated language.
      Note that these keywords may contain the following wildcards:
      <dl>
      <dt>`*'
      <dd>matches zero or more characters
      <dt>`+'
      <dd>matches one or more characters
      <dt>`.'
      <dd>matches any single character
      </dl> */
  public String[] languageKeywords ()
  {
    return null;
  } // languageKeywords
} // interface Factories

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