1. /*

  2.  * The Apache Software License, Version 1.1

  3.  *

  4.  * Copyright (c) 1999 The Apache Software Foundation.  All rights 

  5.  * reserved.

  6.  *

  7.  * Redistribution and use in source and binary forms, with or without

  8.  * modification, are permitted provided that the following conditions

  9.  * are met:

  10.  *

  11.  * 1. Redistributions of source code must retain the above copyright

  12.  *    notice, this list of conditions and the following disclaimer. 

  13.  *

  14.  * 2. Redistributions in binary form must reproduce the above copyright

  15.  *    notice, this list of conditions and the following disclaimer in

  16.  *    the documentation and/or other materials provided with the

  17.  *    distribution.

  18.  *

  19.  * 3. The end-user documentation included with the redistribution, if

  20.  *    any, must include the following acknowlegement:  

  21.  *       "This product includes software developed by the 

  22.  *        Apache Software Foundation (http://www.apache.org/)."

  23.  *    Alternately, this acknowlegement may appear in the software itself,

  24.  *    if and wherever such third-party acknowlegements normally appear.

  25.  *

  26.  * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software

  27.  *    Foundation" must not be used to endorse or promote products derived

  28.  *    from this software without prior written permission. For written 

  29.  *    permission, please contact apache@apache.org.

  30.  *

  31.  * 5. Products derived from this software may not be called "Apache"

  32.  *    nor may "Apache" appear in their names without prior written

  33.  *    permission of the Apache Group.

  34.  *

  35.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED

  36.  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

  37.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  38.  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR

  39.  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

  40.  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

  41.  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

  42.  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

  43.  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  44.  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT

  45.  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  46.  * SUCH DAMAGE.

  47.  * ====================================================================

  48.  *

  49.  * This software consists of voluntary contributions made by many

  50.  * individuals on behalf of the Apache Software Foundation.  For more

  51.  * information on the Apache Software Foundation, please see

  52.  * <http://www.apache.org/>.

  53.  *

  54.  */ 

  55. 

  56. package org.apache.commons.el;

  57. 

  58. import java.util.ResourceBundle;

  59. import java.util.MissingResourceException;

  60. 

  61. /**

  62.  *

  63.  * <p>This contains all of the non-public constants, including

  64.  * messsage strings read from the resource file.

  65.  *

  66.  * @author Nathan Abramson - Art Technology Group

  67.  * @author Shawn Bayern

  68.  *

  69.  * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $

  70.  **/

  71. 

  72. public class Constants

  73. {

  74.   //-------------------------------------

  75.   // Resources

  76. 

  77.   static ResourceBundle sResources =

  78.   ResourceBundle.getBundle ("org.apache.commons.el.Resources");

  79. 

  80.   //-------------------------------------

  81.   // Messages from the resource bundle

  82.   //-------------------------------------

  83. 

  84.   public static final String EXCEPTION_GETTING_BEANINFO =

  85.     getStringResource ("EXCEPTION_GETTING_BEANINFO");

  86. 

  87.   public static final String NULL_EXPRESSION_STRING =

  88.     getStringResource ("NULL_EXPRESSION_STRING");

  89. 

  90.   public static final String PARSE_EXCEPTION =

  91.     getStringResource ("PARSE_EXCEPTION");

  92. 

  93.   public static final String CANT_GET_PROPERTY_OF_NULL =

  94.     getStringResource ("CANT_GET_PROPERTY_OF_NULL");

  95. 

  96.   public static final String NO_SUCH_PROPERTY =

  97.     getStringResource ("NO_SUCH_PROPERTY");

  98. 

  99.   public static final String NO_GETTER_METHOD =

  100.     getStringResource ("NO_GETTER_METHOD");

  101. 

  102.   public static final String ERROR_GETTING_PROPERTY =

  103.     getStringResource ("ERROR_GETTING_PROPERTY");

  104. 

  105.   public static final String CANT_GET_INDEXED_VALUE_OF_NULL =

  106.     getStringResource ("CANT_GET_INDEXED_VALUE_OF_NULL");

  107. 

  108.   public static final String CANT_GET_NULL_INDEX =

  109.     getStringResource ("CANT_GET_NULL_INDEX");

  110. 

  111.   public static final String NULL_INDEX =

  112.     getStringResource ("NULL_INDEX");

  113. 

  114.   public static final String BAD_INDEX_VALUE =

  115.     getStringResource ("BAD_INDEX_VALUE");

  116. 

  117.   public static final String EXCEPTION_ACCESSING_LIST =

  118.     getStringResource ("EXCEPTION_ACCESSING_LIST");

  119. 

  120.   public static final String EXCEPTION_ACCESSING_ARRAY =

  121.     getStringResource ("EXCEPTION_ACCESSING_ARRAY");

  122. 

  123.   public static final String CANT_FIND_INDEX =

  124.     getStringResource ("CANT_FIND_INDEX");

  125. 

  126.   public static final String TOSTRING_EXCEPTION =

  127.     getStringResource ("TOSTRING_EXCEPTION");

  128. 

  129.   public static final String BOOLEAN_TO_NUMBER =

  130.     getStringResource ("BOOLEAN_TO_NUMBER");

  131. 

  132.   public static final String STRING_TO_NUMBER_EXCEPTION =

  133.     getStringResource ("STRING_TO_NUMBER_EXCEPTION");

  134. 

  135.   public static final String COERCE_TO_NUMBER =

  136.     getStringResource ("COERCE_TO_NUMBER");

  137. 

  138.   public static final String BOOLEAN_TO_CHARACTER =

  139.     getStringResource ("BOOLEAN_TO_CHARACTER");

  140. 

  141.   public static final String EMPTY_STRING_TO_CHARACTER =

  142.     getStringResource ("EMPTY_STRING_TO_CHARACTER");

  143. 

  144.   public static final String COERCE_TO_CHARACTER =

  145.     getStringResource ("COERCE_TO_CHARACTER");

  146. 

  147.   public static final String NULL_TO_BOOLEAN =

  148.     getStringResource ("NULL_TO_BOOLEAN");

  149. 

  150.   public static final String STRING_TO_BOOLEAN =

  151.     getStringResource ("STRING_TO_BOOLEAN");

  152. 

  153.   public static final String COERCE_TO_BOOLEAN =

  154.     getStringResource ("COERCE_TO_BOOLEAN");

  155. 

  156.   public static final String COERCE_TO_OBJECT =

  157.     getStringResource ("COERCE_TO_OBJECT");

  158. 

  159.   public static final String NO_PROPERTY_EDITOR =

  160.     getStringResource ("NO_PROPERTY_EDITOR");

  161. 

  162.   public static final String PROPERTY_EDITOR_ERROR =

  163.     getStringResource ("PROPERTY_EDITOR_ERROR");

  164. 

  165.   public static final String ARITH_OP_NULL =

  166.     getStringResource ("ARITH_OP_NULL");

  167. 

  168.   public static final String ARITH_OP_BAD_TYPE =

  169.     getStringResource ("ARITH_OP_BAD_TYPE");

  170. 

  171.   public static final String ARITH_ERROR =

  172.     getStringResource ("ARITH_ERROR");

  173. 

  174.   public static final String ERROR_IN_EQUALS =

  175.     getStringResource ("ERROR_IN_EQUALS");

  176. 

  177.   public static final String UNARY_OP_BAD_TYPE =

  178.     getStringResource ("UNARY_OP_BAD_TYPE");

  179. 

  180.   public static final String NAMED_VALUE_NOT_FOUND =

  181.     getStringResource ("NAMED_VALUE_NOT_FOUND");

  182. 

  183.   public static final String CANT_GET_INDEXED_PROPERTY =

  184.     getStringResource ("CANT_GET_INDEXED_PROPERTY");

  185. 

  186.   public static final String COMPARABLE_ERROR =

  187.     getStringResource ("COMPARABLE_ERROR");

  188. 

  189.   public static final String BAD_IMPLICIT_OBJECT =

  190.     getStringResource ("BAD_IMPLICIT_OBJECT");

  191. 

  192.   public static final String ATTRIBUTE_EVALUATION_EXCEPTION =

  193.     getStringResource ("ATTRIBUTE_EVALUATION_EXCEPTION");

  194. 

  195.   public static final String ATTRIBUTE_PARSE_EXCEPTION =

  196.     getStringResource ("ATTRIBUTE_PARSE_EXCEPTION");

  197. 

  198.   public static final String UNKNOWN_FUNCTION =

  199.     getStringResource ("UNKNOWN_FUNCTION");

  200. 

  201.   public static final String INAPPROPRIATE_FUNCTION_ARG_COUNT =

  202.     getStringResource ("INAPPROPRIATE_FUNCTION_ARG_COUNT");

  203. 

  204.   public static final String FUNCTION_INVOCATION_ERROR =

  205.     getStringResource ("FUNCTION_INVOCATION_ERROR");

  206. 

  207. 

  208.   //-------------------------------------

  209.   // Getting resources

  210.   //-------------------------------------

  211.   /**

  212.    *

  213.    * 

  214.    **/

  215.   public static String getStringResource (String pResourceName)

  216.     throws MissingResourceException

  217.   {

  218.     try {

  219.       String ret = sResources.getString (pResourceName);

  220.       if (ret == null) {

  221. 	String str = "ERROR: Unable to load resource " + pResourceName;

  222. 	System.err.println (str);

  223. 	throw new MissingResourceException 

  224. 	  (str, 

  225. 	   "org.apache.commons.el.Constants",

  226. 	   pResourceName);

  227.       }

  228.       else {

  229. 	return ret;

  230.       }

  231.     }

  232.     catch (MissingResourceException exc) {

  233.       System.err.println ("ERROR: Unable to load resource " +

  234. 			  pResourceName +

  235. 			  ": " +

  236. 			  exc);

  237.       throw exc;

  238.     }

  239.   }

  240. 

  241.   //-------------------------------------

  242. }