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/*
 * 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.xerces.jaxp.validation;

import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

/**
 * 

Used to format JAXP Validation API error messages using a specified locale.

* * @author Michael Glavassevich, IBM * @version $Id: JAXPValidationMessageFormatter.java 813087 2009-09-09 19:35:27Z mrglavas $ */ final 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 { if (locale == null) { locale = Locale.getDefault(); } final ResourceBundle resourceBundle = ResourceBundle.getBundle("org.apache.xerces.impl.msg.JAXPValidationMessages", locale); // 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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