001: /*
002: * Copyright (c) JForum Team
003: * All rights reserved.
004:
005: * Redistribution and use in source and binary forms,
006: * with or without modification, are permitted provided
007: * that the following conditions are met:
008:
009: * 1) Redistributions of source code must retain the above
010: * copyright notice, this list of conditions and the
011: * following disclaimer.
012: * 2) Redistributions in binary form must reproduce the
013: * above copyright notice, this list of conditions and
014: * the following disclaimer in the documentation and/or
015: * other materials provided with the distribution.
016: * 3) Neither the name of "Rafael Steil" nor
017: * the names of its contributors may be used to endorse
018: * or promote products derived from this software without
019: * specific prior written permission.
020: *
021: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
022: * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
023: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
024: * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
025: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
026: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
027: * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
028: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
029: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
030: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
031: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
032: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
033: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
034: * IN CONTRACT, STRICT LIABILITY, OR TORT
035: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
036: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
037: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
038: *
039: * This file creation date: 03/09/2003 / 23:42:55
040: * The JForum Project
041: * http://www.jforum.net
042: */
043: package net.jforum.repository;
044:
045: import java.util.Iterator;
046: import java.util.List;
047:
048: import net.jforum.cache.CacheEngine;
049: import net.jforum.cache.Cacheable;
050: import net.jforum.dao.DataAccessDriver;
051: import net.jforum.dao.RankingDAO;
052: import net.jforum.entities.Ranking;
053: import net.jforum.exceptions.RankingLoadException;
054:
055: /**
056: * @author Rafael Steil
057: * @version $Id: RankingRepository.java,v 1.15 2007/09/19 02:51:11 rafaelsteil Exp $
058: */
059: public class RankingRepository implements Cacheable {
060: private static CacheEngine cache;
061: private static final String FQN = "ranking";
062: private static final String ENTRIES = "entries";
063:
064: /**
065: * @see net.jforum.cache.Cacheable#setCacheEngine(net.jforum.cache.CacheEngine)
066: */
067: public void setCacheEngine(CacheEngine engine) {
068: cache = engine;
069: }
070:
071: public static void loadRanks() {
072: try {
073: RankingDAO rm = DataAccessDriver.getInstance()
074: .newRankingDAO();
075: cache.add(FQN, ENTRIES, rm.selectAll());
076: } catch (Exception e) {
077: throw new RankingLoadException(
078: "Error while loading the rankings: " + e);
079: }
080: }
081:
082: public static int size() {
083: return ((List) cache.get(FQN, ENTRIES)).size();
084: }
085:
086: /**
087: * Gets the title associated to total of messages the user have
088: * @param total Number of messages the user have. The ranking will be
089: * returned according to the range to which this total belongs to.
090: * @return String with the ranking title.
091: */
092: public static String getRankTitle(int rankId, int total) {
093: String title = null;
094:
095: if (rankId > 0) {
096: title = getRankTitleById(rankId);
097: }
098:
099: if (title == null) {
100: title = getRankTitleByPosts(total);
101: }
102:
103: return title;
104: }
105:
106: private static String getRankTitleByPosts(int total) {
107: Ranking lastRank = new Ranking();
108:
109: List entries = (List) cache.get(FQN, ENTRIES);
110:
111: for (Iterator iter = entries.iterator(); iter.hasNext();) {
112: Ranking r = (Ranking) iter.next();
113:
114: if (total == r.getMin() && !r.isSpecial()) {
115: return r.getTitle();
116: } else if (total > lastRank.getMin() && total < r.getMin()) {
117: return lastRank.getTitle();
118: }
119:
120: lastRank = r;
121: }
122:
123: return lastRank.getTitle();
124: }
125:
126: private static String getRankTitleById(int rankId) {
127: Ranking r = new Ranking();
128: r.setId(rankId);
129:
130: List l = (List) cache.get(FQN, ENTRIES);
131: int index = l.indexOf(r);
132:
133: return index > -1 ? ((Ranking) l.get(index)).getTitle() : null;
134: }
135: }
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