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Date: 15 May 2005 20:14:23 -0000
Message-ID: <20050515201423.12157.qmail@minotaur.apache.org>
From: mrglavas@apache.org
To: xml-xerces-cvs@apache.org
Subject: cvs commit: xml-xerces/java/src/org/apache/xerces/jaxp/validation
 JAXPValidationMessageFormatter.java

mrglavas    2005/05/15 13:14:23

  Added:       java/src/org/apache/xerces/jaxp/validation
                        JAXPValidationMessageFormatter.java
  Log:
  A message formatter for JAXP Validation API error messages.
  
  Revision  Changes    Path
  1.1                  xml-xerces/java/src/org/apache/xerces/jaxp/validation/JAXPValidationMessageFormatter.java
  
  Index: JAXPValidationMessageFormatter.java
  ===================================================================
  /*
   * Copyright 2005 The Apache Software Foundation.
   * 
   * Licensed 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.xerces.jaxp.validation;
  
  import java.util.Locale;
  import java.util.MissingResourceException;
  import java.util.ResourceBundle;
  import java.util.PropertyResourceBundle;
  
  /**
   * <p>Used to format JAXP Validation API error messages using a specified locale.</p>
   * 
   * @author Michael Glavassevich, IBM
   * @version $Id: JAXPValidationMessageFormatter.java,v 1.1 2005/05/15 20:14:23 mrglavas Exp $
   */
  class JAXPValidationMessageFormatter {
  
      /**
       * Formats a message with the specified arguments using the given
       * locale information.
       * 
       * @param locale    The locale of the message.
       * @param key       The message key.
       * @param arguments The message replacement text arguments. The order
       *                  of the arguments must match that of the placeholders
       *                  in the actual message.
       * 
       * @return          the formatted message.
       *
       * @throws MissingResourceException Thrown if the message with the
       *                                  specified key cannot be found.
       */
      public static String formatMessage(Locale locale, 
          String key, Object[] arguments)
          throws MissingResourceException {
  
          ResourceBundle resourceBundle = null;
          if (locale != null) {
              resourceBundle = 
                  PropertyResourceBundle.getBundle("org.apache.xerces.impl.msg.JAXPValidationMessages", locale);
          }
          else {
              resourceBundle = 
                  PropertyResourceBundle.getBundle("org.apache.xerces.impl.msg.JAXPValidationMessages");
          }
  
          // format message
          String msg;
          try {
              msg = resourceBundle.getString(key);
              if (arguments != null) {
                  try {
                      msg = java.text.MessageFormat.format(msg, arguments);
                  } 
                  catch (Exception e) {
                      msg = resourceBundle.getString("FormatFailed");
                      msg += " " + resourceBundle.getString(key);
                  }
              } 
          }
          
          // error
          catch (MissingResourceException e) {
              msg = resourceBundle.getString("BadMessageKey");
              throw new MissingResourceException(key, msg, key);
          }
  
          // no message
          if (msg == null) {
              msg = key;
              if (arguments.length > 0) {
                  StringBuffer str = new StringBuffer(msg);
                  str.append('?');
                  for (int i = 0; i < arguments.length; i++) {
                      if (i > 0) {
                          str.append('&');
                      }
                      str.append(String.valueOf(arguments[i]));
                  }
              }
          }
          return msg;
      }
  }
  
  
  

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