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A processor for parsing, validating, serializing and manipulating XML, written in Java
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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.impl.msg;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import org.apache.xerces.util.MessageFormatter;
/**
* XMLMessageFormatter provides error messages for the XML 1.0 Recommendation and for
* the Namespaces Recommendation
*
* @xerces.internal
*
* @author Eric Ye, IBM
* @version $Id$
*
*/
public class XMLMessageFormatter implements MessageFormatter {
/**
* The domain of messages concerning the XML 1.0 specification.
*/
public static final String XML_DOMAIN = "http://www.w3.org/TR/1998/REC-xml-19980210";
public static final String XMLNS_DOMAIN = "http://www.w3.org/TR/1999/REC-xml-names-19990114";
// private objects to cache the locale and resource bundle
private Locale fLocale = null;
private ResourceBundle fResourceBundle = null;
//
// MessageFormatter methods
//
/**
* 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 Returns the formatted message.
*
* @throws MissingResourceException Thrown if the message with the
* specified key cannot be found.
*/
public String formatMessage(Locale locale, String key, Object[] arguments)
throws MissingResourceException {
if (locale == null) {
locale = Locale.getDefault();
}
if (locale != fLocale) {
fResourceBundle = ResourceBundle.getBundle("org.apache.xerces.impl.msg.XMLMessages", locale);
// memorize the most-recent locale
fLocale = locale;
}
// format message
String msg;
try {
msg = fResourceBundle.getString(key);
if (arguments != null) {
try {
msg = java.text.MessageFormat.format(msg, arguments);
}
catch (Exception e) {
msg = fResourceBundle.getString("FormatFailed");
msg += " " + fResourceBundle.getString(key);
}
}
}
// error
catch (MissingResourceException e) {
msg = fResourceBundle.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;
}
}