/*
* Aipo is a groupware program developed by TOWN, Inc.
* Copyright (C) 2004-2015 TOWN, Inc.
* http://www.aipo.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.aimluck.eip.common;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.jetspeed.services.resources.JetspeedResources;
/**
* 祝日を保持するシングルトンクラスです。 <br />
* この実装は同期化されない点に注意してください。
*
*/
public class ALEipHolidaysManager {
/** logger */
private static final JetspeedLogger logger = JetspeedLogFactoryService
.getLogger(ALEipHolidaysManager.class.getName());
/** デフォルトエンコーディングを表わすシステムプロパティのキー */
protected static final String KEY_ENCODING = "content.defaultencoding";
private static ALEipHolidaysManager manager = new ALEipHolidaysManager();
/** デフォルトの祝日が書かれたファイルへのパス */
private final String FILE_HOLI_DAYS_DEFAULT = (JetspeedResources.getString(
"aipo.home",
"").equals("")) ? "" : JetspeedResources.getString("aipo.home", "")
+ File.separator
+ "conf"
+ File.separator
+ "holidays_default.properties";
/** ユーザ定義の祝日が書かれたファイルへのパス */
private final String FILE_HOLI_DAYS_USER = (JetspeedResources.getString(
"aipo.home",
"").equals("")) ? "" : JetspeedResources.getString("aipo.home", "")
+ File.separator
+ "conf"
+ File.separator
+ "holidays_user.properties";
/** デフォルトの祝日一覧 */
private Map<String, ALHoliday> defaultHolidays = null;
/** ユーザ定義の祝日一覧 */
private Map<String, ALHoliday> userHolidays = null;
/**
* コンストラクタ
*/
private ALEipHolidaysManager() {
defaultHolidays = new HashMap<String, ALHoliday>();
userHolidays = new HashMap<String, ALHoliday>();
loadHolidays();
}
/**
* クラス ALEipHolidaysManager のインスタンスを取得する．
*
* @return クラス ALEipHolidaysManager のインスタンス
*/
public static ALEipHolidaysManager getInstance() {
return manager;
}
/**
* 指定した日付が祝日であるかを検証する．
*
* @param date
* 検証する日付
* @return 指定した日付の祝日情報．指定した日付が祝日ではない場合は，null．
*/
public ALHoliday isHoliday(Date date) {
if (date == null) {
return null;
}
ALHoliday holiDay = null;
holiDay = isHoliday(userHolidays, date);
if (holiDay == null) {
holiDay = isHoliday(defaultHolidays, date);
}
return holiDay;
}
/**
* 指定した日付が祝日であるかを検証する．
*
* @param list
* @param year
* @param month
* @param day
* @return
*/
private ALHoliday isHoliday(Map<String, ALHoliday> list, Date date) {
String key = new SimpleDateFormat("yyyy-MM-dd").format(date);
return list.get(key);
}
/**
* 祝日情報をテキストファイルから読み込む． <br>
* 祝日情報のフォーマット：祝日名,祝日日時 <br>
* 例）文化の日,2004-11-03
*/
private void loadHolidays() {
File defaultFile = new File(FILE_HOLI_DAYS_DEFAULT);
File userFile = new File(FILE_HOLI_DAYS_USER);
defaultHolidays.clear();
userHolidays.clear();
BufferedReader reader = null;
try {
if (defaultFile.exists()) {
// デフォルトの祝日を読み込む．
reader =
new BufferedReader(new InputStreamReader(new FileInputStream(
defaultFile), ALEipConstants.DEF_CONTENT_ENCODING));
loadHoliday(reader, defaultHolidays);
}
if (userFile.exists()) {
// ユーザ定義の祝日を読み込む．
reader =
new BufferedReader(new InputStreamReader(
new FileInputStream(userFile),
ALEipConstants.DEF_CONTENT_ENCODING));
loadHoliday(reader, userHolidays);
}
/*-
Comparator<ALHoliday> comp = getHolidaysComparator();
if (comp != null) {
Collections.sort(defaultHolidays, comp);
Collections.sort(userHolidays, comp);
}
*/
} catch (Exception ex) {
logger.error("ALEipHolidaysManager.loadHolidays", ex);
return;
}
}
/**
* 祝日情報をテキストファイルから読み込む．
*
* @param reader
* @param list
* @throws Exception
*/
private void loadHoliday(BufferedReader reader, Map<String, ALHoliday> list)
throws Exception {
if (reader == null) {
return;
}
List<String> dummyList = new ArrayList<String>();
StringTokenizer st = null;
ALHoliday holiDay = null;
String line = null;
while ((line = reader.readLine()) != null) {
if (line.startsWith("#")) {
continue;
}
st = new StringTokenizer(line, ",");
if (st.countTokens() == 2) {
String nameStr = st.nextToken();
String dayStr = st.nextToken();
holiDay = new ALHoliday(nameStr, dayStr);
if (holiDay.getDay().validate(dummyList)) {
String key =
new SimpleDateFormat("yyyy-MM-dd").format(holiDay
.getDay()
.getValue()
.getDate());
list.put(key, holiDay);
}
}
}
}
/**
* 祝日情報を日付で昇順に並び替える比較関数を取得する．
*
* @return 祝日情報を日付で昇順に並び替える比較関数
*/
protected Comparator<ALHoliday> getHolidaysComparator() {
Comparator<ALHoliday> com = new Comparator<ALHoliday>() {
@Override
public int compare(ALHoliday obj0, ALHoliday obj1) {
int ret = 0;
try {
Date day0 = obj0.getDay().getValue().getDate();
Date day1 = obj1.getDay().getValue().getDate();
// 日付の昇順
if ((ret = day0.compareTo(day1)) == 0) {
// 日付が同じ場合，祝日名の昇順
String name0 = (obj0).getName().getValue();
String name1 = (obj1).getName().getValue();
ret = name0.compareTo(name1);
}
} catch (RuntimeException ex) {
// RuntimeException
logger.error("ALEipHolidaysManager.getHolidaysComparator", ex);
return -1;
} catch (Exception ex) {
logger.error("ALEipHolidaysManager.getHolidaysComparator", ex);
return -1;
}
return ret;
}
};
return com;
}
}