org.apache.xml.res.XMLMessages Maven / Gradle / Ivy
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Tool to convert CSV and XLS to XML, to transform XML and to convert XML to CSV, HTML, other text files, PDF etc., useful as command line tool and integrated in other projects.
/*
* 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.
*/
/*
* $Id: XMLMessages.java 468653 2006-10-28 07:07:05Z minchau $
*/
package org.apache.xml.res;
import java.util.ListResourceBundle;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* A utility class for issuing XML error messages.
* @xsl.usage internal
*/
public class XMLMessages
{
/** The local object to use. */
protected Locale fLocale = Locale.getDefault();
/** The language specific resource object for XML messages. */
private static ListResourceBundle XMLBundle = null;
/** The class name of the XML error message string table. */
private static final String XML_ERROR_RESOURCES =
"org.apache.xml.res.XMLErrorResources";
/** String to use if a bad message code is used. */
protected static final String BAD_CODE = "BAD_CODE";
/** String to use if the message format operation failed. */
protected static final String FORMAT_FAILED = "FORMAT_FAILED";
/**
* Set the Locale object to use.
*
* @param locale non-null reference to Locale object.
*/
public void setLocale(Locale locale)
{
fLocale = locale;
}
/**
* Get the Locale object that is being used.
*
* @return non-null reference to Locale object.
*/
public Locale getLocale()
{
return fLocale;
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param msgKey The key for the message text.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createXMLMessage(String msgKey, Object args[])
{
if (XMLBundle == null)
XMLBundle = loadResourceBundle(XML_ERROR_RESOURCES);
if (XMLBundle != null)
{
return createMsg(XMLBundle, msgKey, args);
}
else
return "Could not load any resource bundles.";
}
/**
* Creates a message from the specified key and replacement
* arguments, localized to the given locale.
*
* @param fResourceBundle The resource bundle to use.
* @param msgKey The message key to use.
* @param args The arguments to be used as replacement text
* in the message created.
*
* @return The formatted message string.
*/
public static final String createMsg(ListResourceBundle fResourceBundle,
String msgKey, Object args[]) //throws Exception
{
String fmsg = null;
boolean throwex = false;
String msg = null;
if (msgKey != null)
msg = fResourceBundle.getString(msgKey);
if (msg == null)
{
msg = fResourceBundle.getString(BAD_CODE);
throwex = true;
}
if (args != null)
{
try
{
// Do this to keep format from crying.
// This is better than making a bunch of conditional
// code all over the place.
int n = args.length;
for (int i = 0; i < n; i++)
{
if (null == args[i])
args[i] = "";
}
fmsg = java.text.MessageFormat.format(msg, args);
}
catch (Exception e)
{
fmsg = fResourceBundle.getString(FORMAT_FAILED);
fmsg += " " + msg;
}
}
else
fmsg = msg;
if (throwex)
{
throw new RuntimeException(fmsg);
}
return fmsg;
}
/**
* Return a named ResourceBundle for a particular locale. This method mimics the behavior
* of ResourceBundle.getBundle().
*
* @param className The class name of the resource bundle.
* @return the ResourceBundle
* @throws MissingResourceException
*/
public static ListResourceBundle loadResourceBundle(String className)
throws MissingResourceException
{
Locale locale = Locale.getDefault();
try
{
return (ListResourceBundle)ResourceBundle.getBundle(className, locale);
}
catch (MissingResourceException e)
{
try // try to fall back to en_US if we can't load
{
// Since we can't find the localized property file,
// fall back to en_US.
return (ListResourceBundle)ResourceBundle.getBundle(
className, new Locale("en", "US"));
}
catch (MissingResourceException e2)
{
// Now we are really in trouble.
// very bad, definitely very bad...not going to get very far
throw new MissingResourceException(
"Could not load any resource bundles." + className, className, "");
}
}
}
/**
* Return the resource file suffic for the indicated locale
* For most locales, this will be based the language code. However
* for Chinese, we do distinguish between Taiwan and PRC
*
* @param locale the locale
* @return an String suffix which can be appended to a resource name
*/
protected static String getResourceSuffix(Locale locale)
{
String suffix = "_" + locale.getLanguage();
String country = locale.getCountry();
if (country.equals("TW"))
suffix += "_" + country;
return suffix;
}
}