001/* 002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * <a href="mailto:nulrich@nuxeo.com">Nicolas Ulrich</a> 018 * 019 */ 020 021package org.nuxeo.business.days.management.checker; 022 023import java.io.BufferedReader; 024import java.io.FileNotFoundException; 025import java.io.FileReader; 026import java.io.IOException; 027import java.io.InputStream; 028import java.io.InputStreamReader; 029import java.io.Reader; 030import java.text.ParseException; 031import java.text.SimpleDateFormat; 032import java.util.Date; 033import java.util.HashSet; 034import java.util.Iterator; 035import java.util.Set; 036 037import org.apache.commons.logging.Log; 038import org.apache.commons.logging.LogFactory; 039import org.nuxeo.business.days.management.checker.HolidaysChecker; 040import org.nuxeo.runtime.model.ComponentInstance; 041import org.nuxeo.runtime.model.DefaultComponent; 042 043/** 044 * Holidays checker implementation which loads the holidays dates in a CVS file. The extension point "configuration" of 045 * the component "org.nuxeo.business.days.management.checker.csv" allows to specify where is located the CSV file. 046 * 047 * @author Nicolas Ulrich 048 */ 049public class CSVHolidaysChecker extends DefaultComponent implements HolidaysChecker { 050 051 private static final Log log = LogFactory.getLog(CSVHolidaysChecker.class); 052 053 private static final SimpleDateFormat formater = new SimpleDateFormat("dd/MM/yyyy"); 054 055 private static Set<Date> dates = new HashSet<Date>(); 056 057 public boolean isHoliday(Date date) { 058 return dates.contains(date); 059 } 060 061 /** 062 * Read the CVS file in order to load hollidays.cvs 063 */ 064 private void initDates(String fileName, boolean isEmbedded) { 065 066 if (fileName == null) { 067 return; 068 } 069 070 try { 071 072 Reader reader = null; 073 074 if (isEmbedded) { 075 InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName); 076 reader = new InputStreamReader(is); 077 } else { 078 reader = new FileReader(fileName); 079 } 080 081 if (reader == null) { 082 log.error("Unable to read the CSV file"); 083 return; 084 } 085 086 BufferedReader buffer = new BufferedReader(reader); 087 088 String line; 089 while ((line = buffer.readLine()) != null) { 090 dates.add(formater.parse(line)); 091 } 092 093 } catch (FileNotFoundException e) { 094 log.error("Unable to find the CSV file", e); 095 } catch (IOException e) { 096 log.error("Unable to read the CSV file", e); 097 } catch (ParseException e) { 098 log.error("The CSV file is not formatted", e); 099 } 100 101 } 102 103 @Override 104 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 105 106 if (extensionPoint.equals("configuration")) { 107 108 CSVConfigurationDescriptor conf = ((CSVConfigurationDescriptor) contribution); 109 initDates(conf.csvFilePath, conf.embedded); 110 111 } 112 } 113 114}