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*/
package com.sun.jdo.spi.persistence.utility;
import java.util.*;
import java.text.MessageFormat;
public class I18NHelper {
private static final String bundleSuffix = ".Bundle"; // NOI18N
private static Hashtable bundles = new Hashtable();
private static Locale locale = Locale.getDefault();
/**
* Constructor
*/
public I18NHelper() {
}
/**
* Load ResourceBundle by bundle name
*/
public static ResourceBundle loadBundle(String bundleName) {
return loadBundle(bundleName, I18NHelper.class.getClassLoader());
}
/**
* Load ResourceBundle by bundle name and class loader
*/
public static ResourceBundle loadBundle(String bundleName, ClassLoader loader) {
ResourceBundle messages = (ResourceBundle)bundles.get(bundleName);
if (messages == null) //not found as loaded - add
{
messages = ResourceBundle.getBundle(bundleName, locale, loader);
bundles.put(bundleName, messages);
}
return messages;
}
/**
* Load ResourceBundle by class object - figure out the bundle name
* for the class object's package and use the class' class loader.
*/
public static ResourceBundle loadBundle(Class classObject) {
return loadBundle(
JavaTypeHelper.getPackageName(classObject.getName()) + bundleSuffix,
classObject.getClassLoader());
}
/**
* Returns message as String
*/
final public static String getMessage(ResourceBundle messages, String messageKey)
{
return messages.getString(messageKey);
}
/**
* Formats message by adding Array of arguments
*/
final public static String getMessage(ResourceBundle messages, String messageKey, Object msgArgs[])
{
for (int i=0; i<msgArgs.length; i++) {
if (msgArgs[i] == null) msgArgs[i] = ""; // NOI18N
}
MessageFormat formatter = new MessageFormat(messages.getString(messageKey));
return formatter.format(msgArgs);
}
/**
* Formats message by adding a String argument
*/
final public static String getMessage(ResourceBundle messages, String messageKey, String arg)
{
Object []args = {arg};
return getMessage(messages, messageKey, args);
}
/**
* Formats message by adding two String arguments
*/
final public static String getMessage(ResourceBundle messages, String messageKey, String arg1,
String arg2)
{
Object []args = {arg1, arg2};
return getMessage(messages, messageKey, args);
}
/**
* Formats message by adding three String arguments
*/
final public static String getMessage(ResourceBundle messages, String messageKey, String arg1,
String arg2, String arg3)
{
Object []args = {arg1, arg2, arg3};
return getMessage(messages, messageKey, args);
}
/**
*
* Formats message by adding an Object as an argument
*/
final public static String getMessage(ResourceBundle messages, String messageKey, Object arg)
{
Object []args = {arg};
return getMessage(messages, messageKey, args);
}
/**
* Formats message by adding an int as an argument
*/
final public static String getMessage(ResourceBundle messages, String messageKey, int arg)
{
Object []args = {new Integer(arg)};
return getMessage(messages, messageKey, args);
}
/**
* Formats message by adding a boolean as an argument
*/
final public static String getMessage(ResourceBundle messages, String messageKey, boolean arg)
{
Object []args = {String.valueOf(arg)};
return getMessage(messages, messageKey, args);
}
}
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