org.htmlunit.cyberneko.xerces.dom.DOMMessageFormatter Maven / Gradle / Ivy
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/*
* Copyright 2017-2023 Ronald Brill
*
* 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
* https://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.htmlunit.cyberneko.xerces.dom;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* Used to format DOM error messages.
*
*
* @author Sandy Gao, IBM
*/
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";
private static ResourceBundle domResourceBundle = null;
private static ResourceBundle xmlResourceBundle = null;
/**
* Formats a message with the specified arguments.
*
* @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(final String domain, final String key, final 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 (final Exception e) {
msg = resourceBundle.getString("FormatFailed");
msg += " " + resourceBundle.getString(key);
}
}
} // error
catch (final MissingResourceException e) {
msg = resourceBundle.getString("BadMessageKey");
throw new MissingResourceException(key, msg, key);
}
// no message
if (msg == null) {
msg = key;
if (arguments.length > 0) {
final StringBuilder str = new StringBuilder(msg);
str.append('?');
for (int i = 0; i < arguments.length; i++) {
if (i > 0) {
str.append('&');
}
str.append(arguments[i]);
}
msg = str.toString();
}
}
return msg;
}
static ResourceBundle getResourceBundle(final String domain) {
if (domain == DOM_DOMAIN || domain.equals(DOM_DOMAIN)) {
return domResourceBundle;
}
else if (domain == XML_DOMAIN || domain.equals(XML_DOMAIN)) {
return xmlResourceBundle;
}
return null;
}
/**
* Initialize Message Formatter.
*/
public static void init() {
domResourceBundle = ResourceBundle.getBundle("org.htmlunit.cyberneko.xerces.impl.msg.DOMMessages");
xmlResourceBundle = ResourceBundle.getBundle("org.htmlunit.cyberneko.xerces.impl.msg.XMLMessages");
}
}