/*
* 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.empire.jsf2.app;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import org.apache.empire.exceptions.EmpireException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TextResolver
{
private static final Logger log = LoggerFactory.getLogger(TextResolver.class);
public static String MSG_KEY_INDICATOR = "!";
private final ResourceBundle resBundle;
public TextResolver(ResourceBundle resBundle)
{
this.resBundle = resBundle;
}
public final ResourceBundle getResourceBundle()
{
return resBundle;
}
public final Locale getLocale()
{
return resBundle.getLocale();
}
public String resolveKey(String key)
{
try
{
String res = resBundle.getString(key);
if (res==null)
throw new MissingResourceException("Message Key not found.", String.class.getSimpleName(), key);
return res;
}
catch (MissingResourceException e)
{
log.error("Message key missing '{}'.", key);
return "["+key+"]";
}
catch (Exception e)
{
log.error("Error resolving text: {}", e);
return "["+key+"]";
}
}
public String resolveText(String text)
{
// Translate
if (text != null && text.startsWith(MSG_KEY_INDICATOR))
{
String key = text.substring(1);
return resolveKey(key);
}
return text;
}
public String getExceptionMessage(Exception e)
{
if (e instanceof EmpireException)
{
EmpireException ee = (EmpireException)e;
String key = ee.getErrorType().getKey();
// get Pattern
String pattern;
if (resBundle.containsKey(key))
{ // Get Pattern
pattern = resBundle.getString(key);
}
else
{ // No error message pattern provided. Using default
pattern = ee.getErrorType().getMessagePattern();
log.error("Error resolving error messsage pattern: {}", key);
}
// get Params and translate
String[] params = ee.getErrorParams();
if (params!=null)
{ for (int i=0; i<params.length; i++)
params[i] = resolveText(params[i]);
}
// Format message
return EmpireException.formatErrorMessage(ee.getErrorType(), pattern, params);
}
else
{ // Other exception try to resolve by class name
String key = "exception."+e.getClass().getName();
if (resBundle.containsKey(key))
return resBundle.getString(key);
// not provided
return e.getLocalizedMessage();
}
}
}