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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.dom;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* Used to format DOM error messages, using the system locale.
*
* @xerces.internal
*
* @author Sandy Gao, IBM
* @version $Id$
*/
public class DOMMessageFormatter {
public static final String DOM_DOMAIN = "http://www.w3.org/dom/DOMTR";
public static final String XML_DOMAIN = "http://www.w3.org/TR/1998/REC-xml-19980210";
public static final String SERIALIZER_DOMAIN = "http://apache.org/xml/serializer";
private static ResourceBundle domResourceBundle = null;
private static ResourceBundle xmlResourceBundle = null;
private static ResourceBundle serResourceBundle = null;
private static Locale locale = null;
DOMMessageFormatter() {
locale = Locale.getDefault();
}
/**
* Formats a message with the specified arguments using the given
* locale information.
*
* @param domain domain from which error string is to come.
* @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(String domain,
String key, Object[] arguments)
throws MissingResourceException {
ResourceBundle resourceBundle = getResourceBundle(domain);
if(resourceBundle == null){
init();
resourceBundle = getResourceBundle(domain);
if(resourceBundle == null)
throw new MissingResourceException("Unknown domain" + domain, null, key);
}
// format message
String msg;
try {
msg = key + ": " + 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;
}
static ResourceBundle getResourceBundle(String domain) {
if (domain == DOM_DOMAIN || domain.equals(DOM_DOMAIN)) {
return domResourceBundle;
}
else if (domain == XML_DOMAIN || domain.equals(XML_DOMAIN)) {
return xmlResourceBundle;
}
else if (domain == SERIALIZER_DOMAIN || domain.equals(SERIALIZER_DOMAIN)) {
return serResourceBundle;
}
return null;
}
/**
* Initialize Message Formatter.
*/
public static void init() {
Locale _locale = locale;
if (_locale == null) {
_locale = Locale.getDefault();
}
domResourceBundle = ResourceBundle.getBundle("org.apache.xerces.impl.msg.DOMMessages", _locale);
serResourceBundle = ResourceBundle.getBundle("org.apache.xerces.impl.msg.XMLSerializerMessages", _locale);
xmlResourceBundle = ResourceBundle.getBundle("org.apache.xerces.impl.msg.XMLMessages", _locale);
}
/**
* Set Locale to be used by the formatter.
* @param dlocale
*/
public static void setLocale(Locale dlocale) {
locale = dlocale;
}
}