/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.el;
  
  import java.util.MissingResourceException;
  import java.util.ResourceBundle;
  
  /**
   *
   * <p>This contains all of the non-public constants, including
   * messsage strings read from the resource file.
   *
   * @author Nathan Abramson - Art Technology Group
   * @author Shawn Bayern
   *
   * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
   **/
  
  public class Constants
  {
    //-------------------------------------
    // Resources
  
    static ResourceBundle sResources =
    ResourceBundle.getBundle ("org.apache.commons.el.Resources");
  
    //-------------------------------------
    // Messages from the resource bundle
    //-------------------------------------
  
    public static final String EXCEPTION_GETTING_BEANINFO =
      getStringResource ("EXCEPTION_GETTING_BEANINFO");
  
    public static final String NULL_EXPRESSION_STRING =
      getStringResource ("NULL_EXPRESSION_STRING");
  
    public static final String PARSE_EXCEPTION =
      getStringResource ("PARSE_EXCEPTION");
  
    public static final String CANT_GET_PROPERTY_OF_NULL =
      getStringResource ("CANT_GET_PROPERTY_OF_NULL");
  
    public static final String NO_SUCH_PROPERTY =
      getStringResource ("NO_SUCH_PROPERTY");
  
    public static final String NO_GETTER_METHOD =
      getStringResource ("NO_GETTER_METHOD");
  
    public static final String ERROR_GETTING_PROPERTY =
      getStringResource ("ERROR_GETTING_PROPERTY");
  
    public static final String CANT_GET_INDEXED_VALUE_OF_NULL =
      getStringResource ("CANT_GET_INDEXED_VALUE_OF_NULL");
  
    public static final String CANT_GET_NULL_INDEX =
      getStringResource ("CANT_GET_NULL_INDEX");
  
    public static final String NULL_INDEX =
      getStringResource ("NULL_INDEX");
  
    public static final String BAD_INDEX_VALUE =
      getStringResource ("BAD_INDEX_VALUE");
  
    public static final String EXCEPTION_ACCESSING_LIST =
      getStringResource ("EXCEPTION_ACCESSING_LIST");
  
    public static final String EXCEPTION_ACCESSING_ARRAY =
      getStringResource ("EXCEPTION_ACCESSING_ARRAY");
  
    public static final String CANT_FIND_INDEX =
      getStringResource ("CANT_FIND_INDEX");
  
    public static final String TOSTRING_EXCEPTION =
      getStringResource ("TOSTRING_EXCEPTION");
  
    public static final String BOOLEAN_TO_NUMBER =
      getStringResource ("BOOLEAN_TO_NUMBER");
  
    public static final String STRING_TO_NUMBER_EXCEPTION =
      getStringResource ("STRING_TO_NUMBER_EXCEPTION");
  
    public static final String COERCE_TO_NUMBER =
      getStringResource ("COERCE_TO_NUMBER");
  
    public static final String BOOLEAN_TO_CHARACTER =
     getStringResource ("BOOLEAN_TO_CHARACTER");
 
   public static final String EMPTY_STRING_TO_CHARACTER =
     getStringResource ("EMPTY_STRING_TO_CHARACTER");
 
   public static final String COERCE_TO_CHARACTER =
     getStringResource ("COERCE_TO_CHARACTER");
 
   public static final String NULL_TO_BOOLEAN =
     getStringResource ("NULL_TO_BOOLEAN");
 
   public static final String STRING_TO_BOOLEAN =
     getStringResource ("STRING_TO_BOOLEAN");
 
   public static final String COERCE_TO_BOOLEAN =
     getStringResource ("COERCE_TO_BOOLEAN");
 
   public static final String COERCE_TO_OBJECT =
     getStringResource ("COERCE_TO_OBJECT");
 
   public static final String NO_PROPERTY_EDITOR =
     getStringResource ("NO_PROPERTY_EDITOR");
 
   public static final String PROPERTY_EDITOR_ERROR =
     getStringResource ("PROPERTY_EDITOR_ERROR");
 
   public static final String ARITH_OP_NULL =
     getStringResource ("ARITH_OP_NULL");
 
   public static final String ARITH_OP_BAD_TYPE =
     getStringResource ("ARITH_OP_BAD_TYPE");
 
   public static final String ARITH_ERROR =
     getStringResource ("ARITH_ERROR");
 
   public static final String ERROR_IN_EQUALS =
     getStringResource ("ERROR_IN_EQUALS");
 
   public static final String UNARY_OP_BAD_TYPE =
     getStringResource ("UNARY_OP_BAD_TYPE");
 
   public static final String NAMED_VALUE_NOT_FOUND =
     getStringResource ("NAMED_VALUE_NOT_FOUND");
 
   public static final String CANT_GET_INDEXED_PROPERTY =
     getStringResource ("CANT_GET_INDEXED_PROPERTY");
 
   public static final String COMPARABLE_ERROR =
     getStringResource ("COMPARABLE_ERROR");
 
   public static final String BAD_IMPLICIT_OBJECT =
     getStringResource ("BAD_IMPLICIT_OBJECT");
 
   public static final String ATTRIBUTE_EVALUATION_EXCEPTION =
     getStringResource ("ATTRIBUTE_EVALUATION_EXCEPTION");
 
   public static final String ATTRIBUTE_PARSE_EXCEPTION =
     getStringResource ("ATTRIBUTE_PARSE_EXCEPTION");
 
   public static final String UNKNOWN_FUNCTION =
     getStringResource ("UNKNOWN_FUNCTION");
 
   public static final String INAPPROPRIATE_FUNCTION_ARG_COUNT =
     getStringResource ("INAPPROPRIATE_FUNCTION_ARG_COUNT");
 
   public static final String FUNCTION_INVOCATION_ERROR =
     getStringResource ("FUNCTION_INVOCATION_ERROR");
 
 
   //-------------------------------------
   // Getting resources
   //-------------------------------------
   /**
    *
    * 
    **/
   public static String getStringResource (String pResourceName)
     throws MissingResourceException
   {
     try {
       String ret = sResources.getString (pResourceName);
       if (ret == null) {
 	String str = "ERROR: Unable to load resource " + pResourceName;
 	System.err.println (str);
 	throw new MissingResourceException 
 	  (str, 
 	   "org.apache.commons.el.Constants",
 	   pResourceName);
       }
       else {
 	return ret;
       }
     }
     catch (MissingResourceException exc) {
       System.err.println ("ERROR: Unable to load resource " +
 			  pResourceName +
 			  ": " +
 			  exc);
       throw exc;
     }
   }
 
   //-------------------------------------
 }