summaryrefslogtreecommitdiff
path: root/server
diff options
context:
space:
mode:
authorPaul Buetow <paul@buetow.org>2009-02-18 17:33:22 +0000
committerPaul Buetow <paul@buetow.org>2009-02-18 17:33:22 +0000
commit4722100cba287b164957c658c2e035783e20c963 (patch)
tree35733fd3e50aeeb493e38ceaea83521a4710f0ac /server
parent61f7175cc3e51c0afaf63e380d03824a77464ba8 (diff)
moved sources
Diffstat (limited to 'server')
-rw-r--r--server/CalendarDatabase.java271
-rw-r--r--server/CalendarFormatParser.java278
-rw-r--r--server/NetCalendarServer.java160
3 files changed, 0 insertions, 709 deletions
diff --git a/server/CalendarDatabase.java b/server/CalendarDatabase.java
deleted file mode 100644
index 3b5e1e0..0000000
--- a/server/CalendarDatabase.java
+++ /dev/null
@@ -1,271 +0,0 @@
-package server;
-
-import java.util.*;
-
-import shared.*;
-import shared.remotecall.*;
-
-/**
- * A object of this class encapsulates the whole calendar database on the server side.
- * This class is used for getting/modifying and adding/removing of calendar events.
- * @author buetow
- *
- */
-public final class CalendarDatabase {
- private Vector vecCategories;
- private HashMap mapEvents;
- private HashMap mapCategories;
-
- /**
- * Simple constructur. Creates a calendar database.
- * @param vecCategories Specifies the vector of CalendarCategory objects for initial database content.
- */
- public CalendarDatabase(Vector vecCategories) {
- this.vecCategories = vecCategories;
- initializeMaps();
- }
-
- /**
- * Initializes a private hash map so that the server can access events by their id numbers very fast.
- */
- private void initializeMaps() {
- this.mapEvents = new HashMap();
- this.mapCategories = new HashMap();
-
- Enumeration enumCategory = vecCategories.elements();
- while (enumCategory.hasMoreElements()) {
- CalendarCategory category = (CalendarCategory) enumCategory.nextElement();
- mapCategories.put(category.getName(), category);
-
- Vector vecEvents = category.getEvents();
- Enumeration enumEvents = vecEvents.elements();
- while (enumEvents.hasMoreElements()) {
- CalendarEvent event = (CalendarEvent) enumEvents.nextElement();
- mapEvents.put(new Integer(event.getEventID()), event);
- }
- }
- }
-
- /**
- * Returns a specific calendar event using fast hash lookup.
- * @param iEventID Specifies the ID of the calendar event to lookup.
- * @return Returns the requested calendar event.
- */
- public CalendarEvent getEvent(int iEventID) {
- return (CalendarEvent) mapEvents.get(new Integer(iEventID));
- }
-
- /**
- * Returns a specific calendar category using fast hash lookup.
- * @param sCategoryName Specifies the name of the calendar category to lookup.
- * @return Returns the requested calendar category.
- */
- public CalendarCategory getCategory(String sCategoryName) {
- return (CalendarCategory) mapCategories.get(sCategoryName);
- }
-
- /**
- * Gets all calendar categories.
- * @return Returns a Vector of all available CalendarCategory objects.
- */
- public Vector getCategories() {
- return vecCategories;
- }
-
- /**
- * This method returns a Vector of all available calendar events.
- * @return Returns all available CalendarEvent objects of the database.
- */
- public Vector getAllEvents() {
- MyVector vecAllEvents = new MyVector();
- Enumeration enumCategories = vecCategories.elements();
-
- while (enumCategories.hasMoreElements()) {
- CalendarCategory category = (CalendarCategory) enumCategories.nextElement();
- vecAllEvents.appendVector(category.getEvents());
- }
-
- return vecAllEvents;
- }
-
- /**
- * This method looks for all calendar events which match the a given client request.
- * @param clientRequest Specifies the client request sent by the calendar client.
- * @return Returns a Vector of all matching CalendarEvent objects.
- */
- public Vector getMatchingEvents(ClientRequest clientRequest) {
- MyVector vecEvents = new MyVector();
- int iNumEventsToRequest = clientRequest.getNumEventsToRequest();
-
- Enumeration enumCategories = vecCategories.elements();
- while (enumCategories.hasMoreElements()) {
- CalendarCategory category = (CalendarCategory) enumCategories.nextElement();
- Vector vecNewEvents = category.getMatchingEvents(clientRequest);
- vecEvents.appendVector(vecNewEvents);
-
- if (iNumEventsToRequest > -1) {
- if (iNumEventsToRequest == vecEvents.size())
- break;
-
- } else {
- clientRequest.setNumEventsToRequest(iNumEventsToRequest - vecNewEvents.size());
- }
-
- }
-
- return vecEvents;
- }
-
- /**
- * This method adds a calendar event to the calendar database.
- * @param clientRequest Specifies the client request sent by the netcalendar client. Its containing the new event to add.
- */
- public void addEvent(ClientRequest clientRequest) {
- CalendarEvent event = clientRequest.getEvent();
- String sCategoryName = event.getCategoryName();
- CalendarCategory category = getCategory(sCategoryName);
-
- // Check if the have to create a new category
- if (category == null) {
- category = new CalendarCategory(sCategoryName);
- mapCategories.put(sCategoryName, category);
- vecCategories.add(category);
- }
-
- category.addEvent(event);
- category.setHasChanged(true);
- event.setCategory(category);
- mapEvents.put(new Integer(event.getEventID()), event);
- }
-
- /**
- * This method modifies an calendar event of the calendar database.
- * @param clientRequest Specifies the client request sent by the calendar client.
- */
- public void modifyEvent(ClientRequest clientRequest) {
- CalendarEvent newEvent = clientRequest.getEvent();
- CalendarEvent orgEvent = getEvent(newEvent.getEventID());
-
- // If the event doesnt exist any more, recreate it
- if (orgEvent == null) {
- clientRequest.setEvent(newEvent);
- addEvent(clientRequest);
- return;
- }
-
- orgEvent.setDate(newEvent.getDate());
- orgEvent.setYearly(newEvent.isYearly());
- orgEvent.setDescription(newEvent.getDescription());
- orgEvent.setPlace(newEvent.getPlace());
-
- // Modify the events category
- if (!orgEvent.getCategoryName().equals(newEvent.getCategoryName())) {
- String sNewCategoryName = newEvent.getCategoryName();
-
- // First remove the event from its current category
- orgEvent.removeFromCurrentCategory();
- CalendarCategory category = getCategory(sNewCategoryName);
-
- if (category == null) {
- category = new CalendarCategory(sNewCategoryName);
- mapCategories.put(sNewCategoryName, category);
- vecCategories.add(category);
- }
-
- category.addEvent(orgEvent);
- category.setHasChanged(true);
- orgEvent.setCategory(category);
-
- } else {
- orgEvent.getCategory().setHasChanged(true);
- }
- }
-
- /**
- * This method deletes a calendar event of the calendar database. If the specified calendar event doesnt
- * exist eny more, nothing will be changed.
- * @param clientRequest Specifies the client request sent by the netcalendar client.
- */
- public void deleteEvent(ClientRequest clientRequest) {
- // Get the server side reference of the calendar event
- CalendarEvent event = getEvent(clientRequest.getEvent().getEventID());
-
- if (event != null) {
- event.getCategory().setHasChanged(true);
- event.removeFromCurrentCategory();
- mapEvents.remove(new Integer(event.getEventID()));
- }
- }
-
- /**
- * This method renames a calendar category.
- * @param clientRequest Specifies the client request sent by the netcalendar client.
- */
- public void renameCategory(ClientRequest clientRequest) {
- String sOldCategoryName = clientRequest.getEvent().getCategoryName();
- CalendarCategory category = getCategory(sOldCategoryName);
-
- if (category == null)
- return;
-
- String sNewCategoryName = clientRequest.getString();
-
- if (sOldCategoryName.equals(sNewCategoryName))
- return;
-
- mapCategories.remove(sOldCategoryName);
-
- category.setName(sNewCategoryName);
-
- Vector vecEvents = category.getEvents();
- Enumeration enumEvents = vecEvents.elements();
- while (enumEvents.hasMoreElements()) {
- CalendarEvent event = (CalendarEvent) enumEvents.nextElement();
- event.setCategoryName(sNewCategoryName);
- }
-
- // Check if the category exists already
- CalendarCategory categoryExists = getCategory(sNewCategoryName);
-
- if (categoryExists == null) {
- mapCategories.put(category.getName(), category);
- } else {
- vecCategories.remove(category);
- categoryExists.merge(category);
- }
-
- }
-
- /**
- * This method daletes a calendar category.
- * @param clientRequest Specifies the client request sent by the netcalendar client.
- */
- public void deleteCategory(ClientRequest clientRequest) {
- String sCategoryName = clientRequest.getEvent().getCategoryName();
- CalendarCategory category = getCategory(sCategoryName);
-
- if (category == null)
- return;
-
- mapCategories.remove(sCategoryName);
- vecCategories.remove(category);
- category.deleteDatabaseFile();
- }
-
- /**
- * This method flushes all the changed calendar categories of the calendar database to the filesystem.
- */
- public void flush() {
- Enumeration enumCategories = vecCategories.elements();
-
- while (enumCategories.hasMoreElements()) {
- CalendarCategory category = (CalendarCategory) enumCategories.nextElement();
- if (category.hasChanged())
- category.flush();
- }
-
- Main.execExternalCommand(Config.getStringValue("server_updatedb_command"));
- }
-
-}
-
diff --git a/server/CalendarFormatParser.java b/server/CalendarFormatParser.java
deleted file mode 100644
index 5d38f24..0000000
--- a/server/CalendarFormatParser.java
+++ /dev/null
@@ -1,278 +0,0 @@
-/**
- *
- */
-package server;
-
-import java.util.*;
-import java.util.regex.*;
-import java.text.*;
-import java.io.*;
-
-import shared.*;
-
-/**
- * This class is needed for parsing the original UNIX calendar database format.
- * Its parsing the calendar database from the file-system and its caching it into the
- * memory. Then, the CalendarDatabase class can be used to access the database.
- * Each calendar category has its own file. In each file all the calendar events of the
- * specific categories are stored.
- * @author buetow
- *
- */
-public final class CalendarFormatParser {
- private int iCurrentYear;
- private Date dateCurrent;
- private String sWorkdir;
- private Vector vecCategories;
- private static final Pattern datePattern;
- private static final Pattern dateYearlyPattern;
- private static final Pattern dateElsePattern;
- private static final Pattern dateEndPattern;
- // private static final Pattern emptyLine;
- private static final String DATE_FORMAT = "M/d-y";
- private static final String EXTENDED_DATE_FORMAT = "M/d-y-H:m";
-
- // Those pattern will be used later, precompile here once to use often
- static {
- // Matches calendar date format like: "01/25 2006-14:23"
- datePattern = Pattern.compile("\\d{2}/\\d{2}\t\\d{4}-\\d{2}:\\d{2}");
-
- // Matches calendar date format like: "01/25 yearly-14:23"
- dateYearlyPattern = Pattern.compile("\\d{2}/\\d{2}\tyearly-\\d{2}:\\d{2}");
-
- // Matches calendar date format like: "01/25 Some free text here
- dateElsePattern = Pattern.compile("\\d{2}/\\d{2}\t");
-
- // Matches the end of the date string like: "arly-14:23 " or "2006-14:23"
- dateEndPattern = Pattern.compile(".{4}-\\d{2}:\\d{2}");
- }
-
- /**
- * Simple constructor. Creates a calendar format parser object and initializes some private members.
- */
- public CalendarFormatParser() {
- // Use current dir as workdir by default
- this.sWorkdir = ".";
- this.vecCategories = new Vector();
-
- // Events without a year specified will use the current year!
- GregorianCalendar cal = new GregorianCalendar();
- iCurrentYear = cal.get(Calendar.YEAR);
-
- dateCurrent = new Date();
- }
-
- /**
- * This method returns a vector of all found calendar categories after parsing.
- * @return Returns a Vector of all available CalendarCategory objects.
- */
- public Vector getCategories() {
- return vecCategories;
- }
-
- /**
- * This method sets the working directory. Its the "server_database_dir" variable defined in the current configuration by default.
- * @param sWorkdir Specifies the working directory.
- */
- public void setWorkdir(String sWorkdir) {
- this.sWorkdir = sWorkdir;
- }
-
- /**
- * Starts the parsing work of the calendar database files.
- */
- public void start() {
- lookForCategories();
- parseAllCategories();
- Main.execExternalCommand(Config.getStringValue("server_startup_command"));
- }
-
- /**
- * Parses for the available calendar categories.
- */
- private void lookForCategories() {
- File dir = new File(sWorkdir);
- File[] dirContent = dir.listFiles();
-
- for (int i = 0; i < dirContent.length; ++i)
- if (dirContent[i].isFile())
- // Ignore the 'calendar' file, only read the 'calendar.*' files
- if (!dirContent[i].getName().equals("calendar"))
- vecCategories.add(new CalendarCategory(dirContent[i]));
- }
-
- /**
- * Parses all events of all available categories.
- */
- private void parseAllCategories() {
- Enumeration enumCategories = vecCategories.elements();
- while (enumCategories.hasMoreElements())
- parseCategory((CalendarCategory) enumCategories.nextElement());
- }
-
- /**
- * Parses all events of a category file.
- * @param category Specifies the calendar category to be parsed.
- */
- private void parseCategory(CalendarCategory category) {
- Vector vecEvents = new Vector();
- File file = category.getFile();
-
- try {
- BufferedReader in = new BufferedReader(new FileReader(file));
- String sLine;
-
- while ((sLine = in.readLine()) != null) {
- CalendarEvent event = new CalendarEvent(category);
-
- // Ignore empty lines!
- if (sLine.equals(""))
- continue;
-
- setEventsDate(event, sLine);
- setEventsPlace(event, sLine);
- setEventsDescription(event, sLine);
-
- vecEvents.add(event);
- }
-
- } catch (Exception e) {
- Main.infoMessage("Error: " + e.toString());
- }
-
- category.setEvents(vecEvents);
- category.unsetFile();
- }
-
- /**
- * This method parses all known informations from a given calendar format line and saves them
- * into the given calendar event object.
- * @param event Specifies the calendar event to be modified.
- * @param sLine Specifies the single line of the category file to be parsed.
- */
- private void setEventsDate(CalendarEvent event, String sLine) {
- // Create a local copy because the string may be modified
- String sMyLine = new String(sLine).replaceAll(" ", "");
- String sDateFormat;
- boolean bValidDateFormat = false;
-
- // Check if its a yearly event
- Matcher matcher = dateYearlyPattern.matcher(sMyLine);
- if (matcher.find()) {
- sMyLine = sMyLine.replaceFirst("\tyearly", "-" + iCurrentYear);
- sDateFormat = EXTENDED_DATE_FORMAT;
- event.setYearly(true);
- bValidDateFormat = true;
-
- } else {
- // Event is not yearly, but check if its still using NetCalendars
- // extended format which contains the event's time (hours:minutes)
- matcher = datePattern.matcher(sMyLine);
- if (matcher.find()) {
- sMyLine = sMyLine.replaceFirst("\t", "-");
- sDateFormat = EXTENDED_DATE_FORMAT;
- event.setYearly(false);
- bValidDateFormat = true;
-
- } else {
- //matcher = dateElsePattern.matcher(sMyLine);
- //if (matcher.find()) {
- // Just use original Calendar format without any year and time
- // informations
- // Assume yearly
- sMyLine = sMyLine.replaceFirst("\t", "-" + iCurrentYear);
- sDateFormat = DATE_FORMAT;
- event.setYearly(true);
- bValidDateFormat = true;
- /*} else {
- return;
- }*/
- }
- }
-
- // Create a new date object containing the events time informations
- SimpleDateFormat formatter = new SimpleDateFormat(sDateFormat);
- Date date = null;
-
- if (bValidDateFormat) {
- try {
- date = formatter.parse(sMyLine);
-
- } catch (ParseException e) {
- Main.infoMessage("Error: Calendar format parser error at category "
- + event.getCategoryName() + ": " + e.getMessage());
- }
- }
-
- // The event is yearly, but occured already this year, so increment the events
- // year by one!
- if (event.isYearly() && date.getTime() < dateCurrent.getTime()) {
- Calendar calendar = new GregorianCalendar();
- calendar.setTime(date);
- calendar.set(Calendar.YEAR, iCurrentYear + 1);
- date = calendar.getTime();
- }
-
- event.setDate(date);
- }
-
- /**
- * Parses a single calendar line for the place information.
- * @param event Specifies the calendar event to be modified.
- * @param sLine Specifies the single line of the category file to be parsed.
- */
- private void setEventsPlace(CalendarEvent event, String sLine) {
- int iPos = sLine.indexOf(";;");
-
- // No event! Return empty string!
- if (iPos < 0) {
- event.setPlace("");
-
- } else {
- event.setPlace(trim(sLine.substring(iPos + 2)));
- }
- }
-
- /**
- * Parses a single calendar line for the description information.
- * @param event Specifies the calendar event to be modified.
- * @param sLine Specifies the single line of the category file to be parsed.
- */
- private void setEventsDescription(CalendarEvent event, String sLine) {
- // We need a local copy because we may modify the string
- String sTmp = new String(sLine);
-
- // Check if there is a place string...
- int iPos = sLine.indexOf(";;");
-
- // ... if yes, dont include it!
- if (iPos >= 0)
- sTmp = sTmp.substring(0, iPos);
-
- // Remove the events date from the string
- Matcher matcher = dateEndPattern.matcher(sTmp);
-
- if (matcher.find()) {
- sTmp = sTmp.substring(matcher.start()+11);
-
- } else {
- sTmp = sTmp.substring(sTmp.indexOf("\t")+1);
- }
-
- event.setDescription(trim(sTmp));
- }
-
- /**
- * Its like String.trim() but also removes a ending newline.
- * @param sTrimString Specifies the String to be trimmed.
- * @return Returns a copy of the string, with leading and trailing whitespace omitted, also a trailing newline will be omitted.
- */
- private String trim(String sTrimString) {
- int iPos = sTrimString.indexOf("\n");
-
- if (iPos >= 0)
- return sTrimString.substring(0, iPos).trim();
-
- return sTrimString.trim();
- }
-}
diff --git a/server/NetCalendarServer.java b/server/NetCalendarServer.java
deleted file mode 100644
index ad02d2b..0000000
--- a/server/NetCalendarServer.java
+++ /dev/null
@@ -1,160 +0,0 @@
-/**
- *
- */
-package server;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-import javax.net.*;
-import javax.net.ssl.*;
-
-import shared.*;
-import shared.remotecall.*;
-
-/**
- * This is the main class of the server part of the netcalendar suite.
- * It contains the server socket part and hold a references to the calendar database.
- * @author buetow
- */
-public class NetCalendarServer extends Thread {
- private int iPort;
- private String sWorkdir;
-
- /**
- * Creates a NetCalendarServer instance and runs it as a thread.
- * @param iPort Specifies the server port of the server to be used.
- * @param sWorkdir Specifies the working directory of the server.
- */
- public NetCalendarServer(int iPort, String sWorkdir) {
- this.iPort = iPort;
- this.sWorkdir = sWorkdir;
-
- start();
- }
-
- /**
- * This method initializes a new server socket.
- * @return Returns the server socket object.
- */
- private ServerSocket makeServerSocket() throws IOException {
- if (!Config.getBooleanValue("use_ssl"))
- return new ServerSocket(iPort);
-
- ServerSocketFactory sslSocketFactory = SSLServerSocketFactory.getDefault();
- return sslSocketFactory.createServerSocket(iPort);
- }
-
- /**
- * This method specifies the start method of the Thread. Its setting up the server port.
- */
- public void run() {
- ServerSocket serverSocket = null;
- Socket socket = null;
-
- // Read and parse the whole calendar database from file!
- CalendarFormatParser parser = new CalendarFormatParser();
- parser.setWorkdir(sWorkdir);
- parser.start();
-
- CalendarDatabase calendarDatabase = new CalendarDatabase(parser.getCategories());
-
- try {
- serverSocket = makeServerSocket();
-
- while (true) {
- // This will wait for a connection to be made to this socket.
- socket = serverSocket.accept();
- // serverSocket.accept();
- socket.setKeepAlive(true);
-
- // Recieve the client's request object
- InputStream inputStream = socket.getInputStream();
- ObjectInput objectInput = new ObjectInputStream(inputStream);
- ClientRequest clientRequest = (ClientRequest) objectInput.readObject();
-
- if (!clientRequest.checkPassphrase(Config.getStringValue("passphrase", false))) {
- Main.infoMessage("Server: Client refused, wrong passphrase!");
-
- // Check if a event has been modified!
- } else if (clientRequest.requestsNewEvents()) {
- Main.infoMessage("Server: Client requests new events");
-
- // Get all calendar events which match the request
- Vector vecEvents = calendarDatabase.getMatchingEvents(clientRequest);
- ServerResponse serverResponse = new ServerResponse(vecEvents);
-
- OutputStream outputStream = socket.getOutputStream();
- ObjectOutput objectOutput = new ObjectOutputStream(outputStream);
- objectOutput.writeObject(serverResponse);
- objectOutput.flush();
- objectOutput.close();
-
- } else if (clientRequest.actionIs(ClientRequest.MODIFY_EVENT)) {
- Main.infoMessage("Server: Client wants to modify an event");
- calendarDatabase.modifyEvent(clientRequest);
- // if (Config.getBooleanValue("client_run"))
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.DELETE_EVENT)) {
- Main.infoMessage("Server: Client wants to delete an event");
- calendarDatabase.deleteEvent(clientRequest);
- // if (Config.getBooleanValue("client_run"))
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.ADD_EVENT)) {
- Main.infoMessage("Server: Client wants to add an event");
- calendarDatabase.addEvent(clientRequest);
- // if (Config.getBooleanValue("client_run"))
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.RENAME_CATEGORY)) {
- Main.infoMessage("Server: Client wants to rename a category");
- calendarDatabase.renameCategory(clientRequest);
- // if (Config.getBooleanValue("client_run"))
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.DELETE_CATEGORY)) {
- Main.infoMessage("Server: Client wants to delete a category (NYI)");
- calendarDatabase.deleteCategory(clientRequest);
- // if (Config.getBooleanValue("client_run"))
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.RELOAD_DATABASE)) {
- // Read and parse the whole calendar database from file!
- parser = new CalendarFormatParser();
- parser.setWorkdir(sWorkdir);
- parser.start();
-
- calendarDatabase = new CalendarDatabase(parser.getCategories());
-
- } else if (clientRequest.actionIs(ClientRequest.FLUSH_DATABASE)) {
- Main.infoMessage("Server: Client wants to flush the database");
- calendarDatabase.flush();
-
- } else if (clientRequest.actionIs(ClientRequest.SHUTDOWN_SERVER)) {
- Main.infoMessage("Server: Client wants the server to shut down");
- calendarDatabase.flush();
- socket.close();
-
- if (Config.getBooleanValue("client_run")) {
- Main.infoMessage("Server: Shutting down the server thread");
- socket.close();
- serverSocket.close();
- break;
- } else {
- Main.exit(0);
- }
- }
-
- socket.close();
- }
-
- } catch (ClassNotFoundException e) {
- Main.infoMessage("Error: Server error during serialization: " + e.getMessage());
-
- } catch (IOException e) {
- Main.infoMessage("Error: Server error during serialization: " + e.getMessage());
- }
- }
-}