Constants


1   /*
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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 }
243
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