| /* |
| * 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.rest.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 ResourceTextResolver implements TextResolver |
| { |
| private static final Logger log = LoggerFactory.getLogger(ResourceTextResolver.class); |
| |
| public static String MSG_KEY_INDICATOR = "!"; |
| |
| private final ResourceBundle resBundle; |
| |
| public ResourceTextResolver(ResourceBundle resBundle) |
| { |
| this.resBundle = resBundle; |
| } |
| |
| public final ResourceBundle getResourceBundle() |
| { |
| return resBundle; |
| } |
| |
| @Override |
| public final Locale getLocale() |
| { |
| return resBundle.getLocale(); |
| } |
| |
| @Override |
| 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+"]"; |
| } |
| } |
| |
| @Override |
| public String resolveText(String text) |
| { |
| // Translate |
| if (text != null && text.startsWith(MSG_KEY_INDICATOR)) |
| { |
| String key = text.substring(1); |
| return resolveKey(key); |
| } |
| return text; |
| } |
| |
| @Override |
| 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(); |
| } |
| } |
| } |