dukes soccer leaguecode
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Dukes Soccer League was started in April 2011, is owned by Harita, and has 23 members.
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Source code file conten
001.package sl314.model;002. 003.import java.io.File;004.import java.io.FileReader;005.import java.io.BufferedReader;006.import java.io.FileWriter;007.import java.io.PrintWriter;008.import java.io.IOException;009. 010. 011.public class PlayerService {012.private String dataDirectory;013. 014.public PlayerService(String dataDirectory) {015.this.dataDirectory = dataDirectory;016.}
017. 018./**019.* This method finds the specified Player object from the020.* complete set of players.021.*/022.public Player getPlayer(String name) {023. 024.Player player = readPlayer(name);
025. 026.if ( player == null ) {027.player = new Player(name);028.}
029. 030.return player;
Jump to...
031.}
032. 033./**034.* This method adds a new Player object.035.*/036.public void save(Player player) {037.// Store the player.038.storePlayer(player);039.// This is a poor design because it will allow duplicate player040.// records in the data file.041.}
042. 043./**044.* This private method retrieves a single player from the data file.045.*/046.private Player readPlayer(String search_name) {047.File playerFile = new File(dataDirectory, "players.txt");048.BufferedReader playerReader = null;049.Player player = null;
050. 051.// Return null if the players data file does not yet exist.052.if ( ! playerFile.exists() ) {053.return null;054.}
055. 056.// Otherwise, loop through each record in the data file057.try {058.playerReader = new BufferedReader(new FileReader(playerFile));059.String record;
060. 061.// Read every record (one per line)062.while ( (record = playerReader.readLine()) != null ) {063.String[] fields = record.split("\t");
064. 065.// Extract the name field from the record066.String name = fields[0];
067. 068.// If this record does not match the SEARCH NAME,069.// then continue searching the data file070.if ( ! search_name.equals(name) ) {071.continue;072.}
073. 074.// Otherwise, we have a match...075.// Extract the rest of the data fields076.String address = fields[1];077.String city = fields[2];078.String province = fields[3];079.String postalCode = fields[4];
080. 081.// Create the Player object from the data fields082.player = new Player(name, address, city, province, postalCode);083. 084.// and break from the loop
085.break;
086. 087.} // END while loop
088. 089.} catch (Exception e) {090.System.err.println(e);
091. 092.// Clean up IO resources093.} finally {094.if ( playerReader != null ) {095.try { playerReader.close(); } catch (IOException e) { System.err.println(e); }096.}097.}
098. 099.return player;100.}
101. 102./**103.* This private method stores a single player to the data file.104.*/105.private void storePlayer(Player player) {106.String playerFile = dataDirectory + "players.txt";107.PrintWriter playerWriter = null;
108. 109.try {110.// Open a writer stream and mark it to append the new data111.playerWriter = new PrintWriter(new FileWriter(playerFile, true));112. 113.playerWriter.print(player.name);114.playerWriter.print('\t');115.playerWriter.print(player.address);116.playerWriter.print('\t');117.playerWriter.print(player.city);118.playerWriter.print('\t');119.playerWriter.print(player.province);120.playerWriter.print('\t');121.playerWriter.print(player.postalCode);122.playerWriter.println();
123. 124.} catch (Exception e) {125.System.err.println(e);
126. 127.// Clean up IO resources128.} finally {129.if ( playerWriter != null ) {130.try { playerWriter.close(); } catch (Exception e) { System.err.println(e); }131.}132.}133.}134.}
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kenai.com> projects>dukessoccerleague>source code>DukesSoccerLeague
Mailing List Source Code Repository » DukesSoccerLeague Project chat room » DukesSoccerLeague chat room
Dukes Soccer League was started in April 2011, is owned by Harita, and has 23 members.
» Join This Project
Source code file content
CODE FOR PLAYERSERVICE
001.package sl314.model;002. 003.import java.io.File;004.import java.io.FileReader;005.import java.io.BufferedReader;006.import java.io.FileWriter;007.import java.io.PrintWriter;008.import java.io.IOException;009. 010. 011.public class PlayerService {012.private String dataDirectory;013. 014.public PlayerService(String dataDirectory) {015.this.dataDirectory = dataDirectory;016.}
017. 018./**019.* This method finds the specified Player object from the020.* complete set of players.021.*/022.public Player getPlayer(String name) {023. 024.Player player = readPlayer(name);
025. 026.if ( player == null ) {027.player = new Player(name);
Jump to...
028.}
029. 030.return player;031.}
032. 033./**034.* This method adds a new Player object.035.*/036.public void save(Player player) {037.// Store the player.038.storePlayer(player);039.// This is a poor design because it will allow duplicate player040.// records in the data file.041.}
042. 043./**044.* This private method retrieves a single player from the data file.045.*/046.private Player readPlayer(String search_name) {047.File playerFile = new File(dataDirectory, "players.txt");048.BufferedReader playerReader = null;049.Player player = null;
050. 051.// Return null if the players data file does not yet exist.052.if ( ! playerFile.exists() ) {053.return null;054.}
055. 056.// Otherwise, loop through each record in the data file057.try {058.playerReader = new BufferedReader(new FileReader(playerFile));059.String record;
060. 061.// Read every record (one per line)062.while ( (record = playerReader.readLine()) != null ) {063.String[] fields = record.split("\t");
064. 065.// Extract the name field from the record066.String name = fields[0];
067. 068.// If this record does not match the SEARCH NAME,069.// then continue searching the data file070.if ( ! search_name.equals(name) ) {071.continue;072.}
073. 074.// Otherwise, we have a match...075.// Extract the rest of the data fields076.String address = fields[1];077.String city = fields[2];078.String province = fields[3];079.String postalCode = fields[4];
080. 081.// Create the Player object from the data fields
082.player = new Player(name, address, city, province, postalCode);083. 084.// and break from the loop085.break;
086. 087.} // END while loop
088. 089.} catch (Exception e) {090.System.err.println(e);
091. 092.// Clean up IO resources093.} finally {094.if ( playerReader != null ) {095.try { playerReader.close(); } catch (IOException e) { System.err.println(e); }096.}097.}
098. 099.return player;100.}
101. 102./**103.* This private method stores a single player to the data file.104.*/105.private void storePlayer(Player player) {106.String playerFile = dataDirectory + "players.txt";107.PrintWriter playerWriter = null;
108. 109.try {110.// Open a writer stream and mark it to append the new data111.playerWriter = new PrintWriter(new FileWriter(playerFile, true));112. 113.playerWriter.print(player.name);114.playerWriter.print('\t');115.playerWriter.print(player.address);116.playerWriter.print('\t');117.playerWriter.print(player.city);118.playerWriter.print('\t');119.playerWriter.print(player.province);120.playerWriter.print('\t');121.playerWriter.print(player.postalCode);122.playerWriter.println();
123. 124.} catch (Exception e) {125.System.err.println(e);
126. 127.// Clean up IO resources128.} finally {129.if ( playerWriter != null ) {130.try { playerWriter.close(); } catch (Exception e) { System.err.println(e); }131.}132.}133.}134.
LEagueSERvice code
001.package sl314.model;
002. 003.import java.util.List;004.import java.util.LinkedList;005.import java.util.Iterator;006.import java.util.Collections;007.import java.io.FileReader;008.import java.io.BufferedReader;009.import java.io.FileWriter;010.import java.io.PrintWriter;011.import java.io.IOException;012. 013./**014.* This object performs a variety of league services, such as looking015.* up league objects and creating new ones.016.*/017.public class LeagueService {018. 019./** The cache of League objects. */020.private static final List LEAGUES_CACHE = new LinkedList();021.private String dataDirectory;022. 023.public LeagueService(String dataDirectory) {024.this.dataDirectory = dataDirectory;
025. 026.// Make sure that the leagues cache has been initialized027.synchronized ( LEAGUES_CACHE ) {028.if ( LEAGUES_CACHE.isEmpty() ) {029.cacheLeagues();030.}031.}032.}
033. 034./**035.* This method returns a complete set of leagues.036.*/037.public List getAllLeagues() {038.// Return an immutable List; which makes this read-only039.return Collections.unmodifiableList(LEAGUES_CACHE);040.}
041. 042./**043.* This method finds the specified League object from the
044.* complete set of leagues.045.*/046.public League getLeague(int year, String season)047.throws ObjectNotFoundException {048. 049.// Search in the cache.050.Iterator set = LEAGUES_CACHE.iterator();051.while ( set.hasNext() ) {052.League l = (League) set.next();053.if ( season.equals(l.getSeason()) && (year == l.getYear()) ) {054.return l;055.}056.}
057. 058.// Throw an exception if the league was not found.059.throw new ObjectNotFoundException();060.}
061. 062./**063.* This method adds a new League object.064.*/065.public League createLeague(int year, String season, String title) {066. 067.// Determine the next league objectID068.int nextID = LEAGUES_CACHE.size() + 1;069. 070.// Create new league object071.League league = new League(nextID, year, season, title);072. 073.// Store the league object074.storeLeague(league);
075. 076.// Record the league in the cache for easy retrieval077.LEAGUES_CACHE.add(league);
078. 079.return league;080.}
081. 082./**083.* This method populates the cache of leagues from the data file.084.*/085.private void cacheLeagues() {086.String leagueFile = dataDirectory + "leagues.txt";087.BufferedReader leagueReader = null;
088. 089.try {090.leagueReader = new BufferedReader(new FileReader(leagueFile));091.String record;
092. 093.// Read every record (one per line)094.while ( (record = leagueReader.readLine()) != null ) {095.String[] fields = record.split("\t");
096. 097.// Extract the data fields for the record
098.int objectID = Integer.parseInt(fields[0]);099.int year = Integer.parseInt(fields[1]);100.String season = fields[2];101.String title = fields[3];
102. 103.// Create the League object and save it in the cache104.League l = new League(objectID, year, season, title);105.LEAGUES_CACHE.add(l);
106. 107.} // END while loop
108. 109.} catch (Exception e) {110.System.err.println(e);
111. 112.// Clean up IO resources113.} finally {114.if ( leagueReader != null ) {115.try { leagueReader.close(); } catch (IOException e) { System.err.println(e); }116.}117.}118.} // END of cacheLeagues method
119. 120./**121.* This private method stores a single league to the data file.122.*/123.private void storeLeague(League league) {124.String leagueFile = dataDirectory + "leagues.txt";125.PrintWriter leagueWriter = null;
126. 127.try {128.// Open a writer stream and mark it to append the new data129.leagueWriter = new PrintWriter(new FileWriter(leagueFile, true));130. 131.leagueWriter.print(league.objectID);132.leagueWriter.print('\t');133.leagueWriter.print(league.year);134.leagueWriter.print('\t');135.leagueWriter.print(league.season);136.leagueWriter.print('\t');137.leagueWriter.print(league.title);138.leagueWriter.println();
139. 140.} catch (Exception e) {141.System.err.println(e);
142. 143.// Clean up IO resources144.} finally {145.if ( leagueWriter != null ) {146.try { leagueWriter.close(); } catch (Exception e) { System.err.println(e); }147.}148.}149.} // END of storeLeague method
150. 151.} // END of LeagueService class
Code for league
01./**02.* This domain object represents a soccer league.03.*/04.package sl314.model;05. 06.public class League {07. 08.int objectID;09.int year;10.String season;11.String title;
12. 13.League(int objectID, int year, String season, String title) {14.this.objectID = objectID;15.this.year = year;16.this.season = season;17.this.title = title;18.}
19.
20.public int getYear() {21.return year;22.}23.public String getSeason() {24.return season;25.}26.public String getTitle() {27.return title;28.}
29. 30.// League entities are compared by their object [email protected] boolean equals(Object o) {33.boolean result = false;34.if ( o instanceof League ) {35.League l = (League) o;36.result = (this.objectID == l.objectID);37.}38.return result;39.}
40. 41.// You need to override hashCode if you override [email protected] int hashCode() {44.Integer OID = new Integer(objectID);45.return OID.hashCode();46.}
47. [email protected] String toString() {50.return title;51.}52.}
Code for registerservlet
001.package sl314.controller;002. 003.import javax.servlet.http.HttpServlet;004.import javax.servlet.http.HttpServletRequest;005.import javax.servlet.http.HttpServletResponse;006.import javax.servlet.RequestDispatcher;007.import javax.servlet.ServletException;008.// Support classes009.import java.io.IOException;010.// Model classes011.import sl314.model.RegisterService;012.import sl314.model.League;013.import sl314.model.Player;014.import sl314.model.ObjectNotFoundException;015.import java.util.List;016.import java.util.LinkedList;017. 018. 019.public class RegisterServlet extends HttpServlet {020. [email protected] void doPost(HttpServletRequest request,HttpServletResponse response)023.throws IOException, ServletException {024. 025.// Keep a set of strings to record form processing errors.026.List errorMsgs = new LinkedList();027.// Store this set in the request scope, in case we need to028.// send the ErrorPage view.029.request.setAttribute("errorMsgs", errorMsgs);
030. 031.try {032. 033.// Retrieve form parameters.034.String season = request.getParameter("season").trim();035.String yearStr = request.getParameter("year").trim();036.String name = request.getParameter("name").trim();037.String address = request.getParameter("address").trim();038.String city = request.getParameter("city").trim();039.String province = request.getParameter("province").trim();040.String postalCode = request.getParameter("postalCode").trim();041.String division = request.getParameter("division").trim();
042. 043.// Perform data conversions.044.int year = -1;045.try {046.year = Integer.parseInt(yearStr);047.} catch (NumberFormatException nfe) {048.errorMsgs.add("The 'year' field must be a positive integer.");
049.}
050. 051.// Verify 'Select League' form fields052.if ( (year != -1) && ((year < 2000) || (year > 2010)) ) {053.errorMsgs.add("The 'year' field must within 2000 to 2010.");054.}055.if ( season.equals("UNKNOWN") ) {056.errorMsgs.add("Please select a league season.");057.}
058. 059.// Verify 'Enter Player Information' form fields060.if ( name.length() == 0 ) {061.errorMsgs.add("You must enter your full name.");062.}063.if ( (address.length() == 0) || (city.length() == 0)064.|| (province.length() == 0) || (postalCode.length() == 0) ) {065.errorMsgs.add("You must enter your full address.");066.}
067. 068.// Verify 'Select Division' form fields069.if ( division.equals("UNKNOWN") ) {070.errorMsgs.add("You must select a division.");071.}
072. 073.// Send the ErrorPage view if there were errors074.if ( ! errorMsgs.isEmpty() ) {075.RequestDispatcher view076.= request.getRequestDispatcher("form.view");077.view.forward(request, response);078.return;079.}
080. 081.// Perform business logic082.String dataDirectory = (String)getServletContext().getAttribute("sl314.model.dataDirectory");083.RegisterService registerSvc = new RegisterService(dataDirectory);084.// Retrieve the league085.League league = registerSvc.getLeague(year, season);086.// Update the player info087.Player player = registerSvc.getPlayer(name);088.player.setAddress(address);089.player.setCity(city);090.player.setProvince(province);091.player.setPostalCode(postalCode);092.// Perform the registration093.registerSvc.register(league, player, division);
094. 095.// Store the league and player objects in the request-scope096.request.setAttribute("league", league);097.request.setAttribute("player", player);
098. 099.// Send the Success view100.RequestDispatcher view101.= request.getRequestDispatcher("thank_you.view");102.view.forward(request, response);
103.return;
104. 105.// Handle business exceptions106.} catch (ObjectNotFoundException onfe) {107.errorMsgs.add("The league you selected does not yet exist."108.+ " Please select another.");109.RequestDispatcher view110.= request.getRequestDispatcher("form.view");111.view.forward(request, response);
112. 113.// Handle any unusual exceptions114.} catch (RuntimeException e) {115.errorMsgs.add(e.getMessage());116.RequestDispatcher view117.= request.getRequestDispatcher("form.view");118.view.forward(request, response);
119. 120.// Log stack trace121.e.printStackTrace(System.err);
122. 123.} // END of try-catch block
124. 125.} // END of doPost method
126. 127.} // END of RegisterServlet class
Code for Initializemodelproperties
01.package sl314.web;02. 03.import javax.servlet.ServletContextListener;04.import javax.servlet.ServletContextEvent;05.import javax.servlet.ServletContext;06. 07.public class InitializeModelProperties implements ServletContextListener {[email protected] void contextInitialized(ServletContextEvent event) {10.ServletContext context = event.getServletContext();11.String dataDirectory = context.getInitParameter("data-directory");
12. 13.if ( dataDirectory != null ) {14.// Store this directory as a System property15.context.setAttribute("sl314.model.dataDirectory", dataDirectory);16.context.log("The dataDirectory attribute has been set.");17.} else {18.context.log("The 'data-directory' context parameter was not set.");19.}
20. 21.} // END of contextInitialized
22. [email protected] void contextDestroyed(ServletContextEvent event) {25.// do nothing26.}27.}
Register form servlet
01.package sl314.web;02. 03.import javax.servlet.ServletContextListener;04.import javax.servlet.ServletContextEvent;05.import javax.servlet.ServletContext;06. 07.public class InitializeModelProperties implements ServletContextListener {[email protected] void contextInitialized(ServletContextEvent event) {10.ServletContext context = event.getServletContext();11.String dataDirectory = context.getInitParameter("data-directory");
12. 13.if ( dataDirectory != null ) {14.// Store this directory as a System property15.context.setAttribute("sl314.model.dataDirectory", dataDirectory);16.context.log("The dataDirectory attribute has been set.");17.} else {18.context.log("The 'data-directory' context parameter was not set.");19.}
20. 21.} // END of contextInitialized
22. [email protected] void contextDestroyed(ServletContextEvent event) {25.// do nothing26.}27.}
You need three txt files i.e leagues.txt,registrations.txt,players.txt
