| /* |
| * 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.maven.scm.util; |
| |
| import java.text.DateFormat; |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.Locale; |
| |
| import org.codehaus.plexus.util.cli.StreamConsumer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a> |
| * |
| */ |
| public abstract class AbstractConsumer implements StreamConsumer { |
| protected final Logger logger = LoggerFactory.getLogger(getClass()); |
| |
| /** |
| * Converts the date timestamp from the output into a date object. |
| * |
| * @param date TODO |
| * @param userPattern TODO |
| * @param defaultPattern TODO |
| * @return A date representing the timestamp of the log entry. |
| */ |
| protected Date parseDate(String date, String userPattern, String defaultPattern) { |
| return parseDate(date, userPattern, defaultPattern, null); |
| } |
| |
| /** |
| * Converts the date timestamp from the output into a date object. |
| * |
| * @param date TODO |
| * @param userPattern TODO |
| * @param defaultPattern TODO |
| * @param locale TODO |
| * @return A date representing the timestamp of the log entry. |
| */ |
| protected Date parseDate(String date, String userPattern, String defaultPattern, Locale locale) { |
| DateFormat format; |
| |
| String patternUsed = null; |
| Locale localeUsed = null; |
| |
| if (userPattern != null && !userPattern.isEmpty()) { |
| if (locale != null) { |
| format = new SimpleDateFormat(userPattern, locale); |
| localeUsed = locale; |
| } else { |
| format = new SimpleDateFormat(userPattern); |
| localeUsed = Locale.getDefault(); |
| } |
| patternUsed = userPattern; |
| } else { |
| if (defaultPattern != null && !defaultPattern.isEmpty()) { |
| if (locale != null) { |
| format = new SimpleDateFormat(defaultPattern, locale); |
| localeUsed = locale; |
| } else { |
| format = new SimpleDateFormat(defaultPattern); |
| localeUsed = Locale.getDefault(); |
| } |
| patternUsed = defaultPattern; |
| } else { |
| // Use the English short date pattern if no pattern is specified |
| format = DateFormat.getDateInstance(DateFormat.SHORT, Locale.ENGLISH); |
| patternUsed = "DateFormat.SHORT"; |
| localeUsed = Locale.ENGLISH; |
| } |
| } |
| |
| try { |
| return format.parse(date); |
| } catch (ParseException e) { |
| if (logger.isWarnEnabled()) { |
| logger.warn( |
| "skip ParseException: " + e.getMessage() + " during parsing date '" + date |
| + "' with pattern '" + patternUsed + "' and locale '" |
| + localeUsed + "'", |
| e); |
| } |
| |
| return null; |
| } |
| } |
| } |