/**
* It draws the population to a file. A character allele is drawn as 1 o 0. Otherwise, a real
* allele is drawn in ten points, that represent the interval [0..1] divided in ten fragments. In
* each fragment, three types of symbol are possible: . --> The fragment is not covered by the
* classifier. o --> The fragment is partially covered by the classifier. O --> The fragment is
* totally covered by the classifier.
*
* <p>This notation has been obtained from Wilson2000 XCSR
*
* @param fout is the file where the population has to be drawn.
*/
public void draw(PrintWriter fout) {
double lower = 0, upper = 0;
if (Config.ternaryRep) {
fout.print(" " + ((char) rep[0].getAllele()) + " ");
for (int i = 1; i < rep.length; i++) {
fout.print("| " + ((char) rep[i].getAllele()) + " ");
}
} else {
if (Config.typeOfAttributes[0].equals("character")) {
fout.print(" " + ((char) rep[0].getAllele()) + " ");
} else {
printInterval(fout, rep[0].getLowerAllele(), rep[0].getUpperAllele());
}
for (int i = 1; i < rep.length; i++) {
if (Config.typeOfAttributes[i].equals("character")) {
fout.print("| " + ((char) rep[i].getAllele()) + " ");
} else if (Config.typeOfAttributes[i].equals("integer")) {
printInterval(i, fout, ((int) rep[i].getLowerAllele()), ((int) rep[i].getUpperAllele()));
} else {
printInterval(fout, rep[i].getLowerAllele(), rep[i].getUpperAllele());
}
}
}
fout.print("\t " + action);
} // end draw
/**
* It draws the population to a file. A character allele is drawn as 1 o 0. Otherwise, a real
* allele is drawn in ten points, which represent the interval [0..1] divided in ten fragments. In
* each fragment, it can be three types of symbols: . --> The fragment is not covered by the
* classifier. o --> The fragment is partially covered by the classifier. O --> The fragment is
* totally covered by the classifier.
*
* <p>This notation is obtained from Wilson-2000 XCSR
*
* @param fout is the file where the population has to be drawn.
*/
public void drawPopulationToFile(PrintWriter fout) {
fout.println(macroClSum); // We write the number of macro classifiers.
fout.println(microClSum); // We write the number of micro classifiers.
for (int i = 0; i < macroClSum; i++) {
set[i].draw(fout);
fout.println("");
}
} // end drawPopulationToFile
/**
* Prints the classifier to the specified file.
*
* @param fout is the file output where the classifier has to be printed.
*/
public void print(PrintWriter fout) {
fout.print(" ");
for (int i = 0; i < rep.length; i++) {
rep[i].print(fout);
}
fout.print(" " + action + " ");
if (parameters != null) parameters.print(fout);
}
/**
* Prints the classifier to the specified file.
*
* @param fout is the output file.
*/
public void print(PrintWriter fout) {
fout.print(" ");
for (int i = 0; i < rep.length; i++) {
rep[i].print(fout);
}
fout.print("\t " + action);
} // end print
public static void make_output(float Sk[])
throws FileNotFoundException, UnsupportedEncodingException {
PrintWriter writer = new PrintWriter("output.txt", "UTF-8");
float temp = (float) 10.0;
for (int i = 0; i < Sk.length; i++) {
writer.println(String.valueOf(Sk[i]));
}
writer.close();
}
/**
* Prints the desnormalized population into the specified file.
*
* @param fout is the file where the population has to be printed.
*/
public void printNotNormPopToFile(PrintWriter fout) {
fout.println(macroClSum); // We write the number of macro classifiers.
fout.println(microClSum); // We write the number of micro classifiers.
fout.println(
"Cond - Action - prediction - predError - fitness - Numerosity - Experience - aSetSize - Generality - timeStamp");
for (int i = 0; i < macroClSum; i++) {
set[i].printNotNorm(fout);
fout.println("");
}
}
/**
* ** Encodes the specified DBRecordKyes into XML and writes it to ** a specified PrintWriter
* ** @param out The PrintWriter ** @param dbrk The list of DBRecordKeys
*/
public static void printXML(PrintWriter out, DBRecordKey... dbrk) {
if (out != null) {
out.write("<" + DBFactory.TAG_RecordKeys + ">\n");
for (int i = 0; i < dbrk.length; i++) {
dbrk[i].printXML(out, 4);
}
out.write("</" + DBFactory.TAG_RecordKeys + ">\n");
out.flush();
}
}
public static void main(String[] args) throws java.lang.Exception {
// let_me_start
String s = s();
String t = s();
int c[] = new int[150];
int d[] = new int[150];
String S = s.toUpperCase();
String T = t.toUpperCase();
int C[] = new int[150];
int D[] = new int[150];
int n = s.length();
int m = t.length();
// int arr[] = is((int)n);
long ans = 0;
for (int i = 1; i <= n; i++) {
c[s.charAt(i - 1)]++;
}
for (int i = 1; i <= m; i++) {
d[t.charAt(i - 1)]++;
}
for (int i = 1; i <= n; i++) {
C[S.charAt(i - 1)]++;
}
for (int i = 1; i <= m; i++) {
D[T.charAt(i - 1)]++;
}
int b = 0;
int min = 1000000000;
for (int i = 1; i <= 149; i++) {
b += Math.min(c[i], d[i]);
d[i] -= Math.min(c[i], d[i]);
}
int a = 0;
min = 1000000000;
for (int i = 1; i <= 149; i++) {
a += Math.min(C[i], D[i]);
D[i] -= Math.min(C[i], D[i]);
}
a = a - b;
out.write("" + b + " " + a + "\n");
out.flush();
return;
}
/**
* It draws an integer interval
*
* @param fout is a reference to the file where the classifier has to be drawn.
* @param numInterval is the position of the interval in the classifier.
* @param lower is the lower value of the interval
* @param upper is the upper value of the interval.
*/
private void printInterval(int numInterval, PrintWriter fout, int lower, int upper) {
double aux = 0.0;
int points = Config.realDrawnPrecision;
int inc =
((int) Config.attBounds[numInterval][1] - (int) Config.attBounds[numInterval][0] + 1)
/ points;
for (int i = 0; i < points; i++) {
if (i * inc >= lower && i * inc <= upper) {
fout.print("O");
} else {
fout.print(".");
}
}
fout.print(" | ");
}
// **********************************************************************************
//
// Theoretically, you shouldn't have to alter anything below this point in this file
// unless you want to change the color of your agent
//
// **********************************************************************************
public void getConnected(String args[]) {
try {
// initial connection
int port = 3000 + Integer.parseInt(args[1]);
s = new Socket(args[0], port);
sout = new PrintWriter(s.getOutputStream(), true);
sin = new BufferedReader(new InputStreamReader(s.getInputStream()));
// read in the map of the world
numNodes = Integer.parseInt(sin.readLine());
int i, j;
for (i = 0; i < numNodes; i++) {
world[i] = new node();
String[] buf = sin.readLine().split(" ");
world[i].posx = Double.valueOf(buf[0]);
world[i].posy = Double.valueOf(buf[1]);
world[i].numLinks = Integer.parseInt(buf[2]);
// System.out.println(world[i].posx + ", " + world[i].posy);
for (j = 0; j < 4; j++) {
if (j < world[i].numLinks) {
world[i].links[j] = Integer.parseInt(buf[3 + j]);
// System.out.println("Linked to: " + world[i].links[j]);
} else world[i].links[j] = -1;
}
}
currentNode = Integer.parseInt(sin.readLine());
String myinfo =
args[2] + "\n" + "0.7 0.45 0.45\n"; // name + rgb values; i think this is color is pink
// send the agents name and color
sout.println(myinfo);
} catch (IOException e) {
System.out.println(e);
}
}
void run() throws Exception {
// for this PS3, you can alter this method as you see fit
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
PrintWriter pr = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
int TC = Integer.parseInt(br.readLine()); // there will be several test cases
while (TC-- > 0) {
br.readLine(); // ignore dummy blank line
V = Integer.parseInt(br.readLine());
StringTokenizer st = new StringTokenizer(br.readLine());
// read rating scores, A (index 0), B (index 1), C (index 2), ..., until the V-th index
RatingScore = new int[V];
for (int i = 0; i < V; i++) {
RatingScore[i] = Integer.parseInt(st.nextToken());
}
// clear the graph and read in a new graph as Adjacency Matrix
AdjMatrix = new TreeMap<Integer, TreeMap<Integer, Boolean>>();
for (int i = 0; i < V; i++) {
st = new StringTokenizer(br.readLine());
int k = Integer.parseInt(st.nextToken());
TreeMap<Integer, Boolean> g = AdjMatrix.get(i);
if (g == null) {
g = new TreeMap<Integer, Boolean>();
AdjMatrix.put(i, g);
}
while (k-- > 0) {
int j = Integer.parseInt(st.nextToken());
g.put(j, true);
TreeMap<Integer, Boolean> gCon = AdjMatrix.get(j);
if (gCon == null) {
gCon = new TreeMap<Integer, Boolean>();
AdjMatrix.put(j, gCon);
}
gCon.put(i, true);
}
}
pr.println(Query());
}
pr.close();
}
/**
* Prints the population into the specified file.
*
* @param fileName is the file name where the classifiers have to be printed.
*/
public void printPopulationToFile(String fileName) {
try {
PrintWriter fout = new PrintWriter(new BufferedWriter(new FileWriter(fileName)));
fout.println(macroClSum); // We write the number of macro classifiers.
fout.println(microClSum); // We write the number of micro classifiers.
fout.println(
"Cond - Action - prediction - predError - fitness - Numerosity - Experience - aSetSize - Generality - timeStamp");
for (int i = 0; i < macroClSum; i++) {
set[i].print(fout);
fout.println("");
}
fout.close();
} catch (IOException eio) {
System.out.println("ERROR when writing the population to a out file. ");
}
} // end printPopulationToFile
public static void main(String args[]) {
wmatrix wmatrix = new wmatrix();
wmatrix.start();
try {
PrintWriter profilefout =
new PrintWriter(
new BufferedWriter(
new FileWriter(
"profile_"
+ Data.kinease
+ "_"
+ Data.code
+ "_"
+ Data.windows_size
+ ".csv")));
profilefout.print("Position=");
for (int j = 0; j < Data.windows_size; j++) {
profilefout.print("," + (j - Data.windows_size / 2));
}
profilefout.println();
for (int i = 0; i < 20; i++) {
for (int j = 0; j < Data.windows_size; j++) {
profilefout.print("," + wm[i][j]);
}
profilefout.println();
}
profilefout.close();
} catch (IOException ex) {
}
}
public static void main(String[] args) throws IOException {
BufferedReader in = new BufferedReader(new FileReader("numtri.in"));
PrintWriter out = new PrintWriter(new FileWriter("numtri.out"));
int r = Integer.parseInt(in.readLine());
final int LEN = r;
int[] weights = new int[LEN];
weights[0] = Integer.parseInt(in.readLine());
search(weights, in, 1);
insertionSort(weights, r);
out.println(weights[r - 1]);
in.close();
out.close();
System.exit(0);
}
public static void main(String[] args) throws java.lang.Exception {
// let_me_start
/* BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
BufferedWriter out=new BufferedWriter(new OutputStreamWriter(System.out));
BufferedReader br=new BufferedReader(new FileReader("input.txt"));
BufferedWriter out=new BufferedWriter(new FileWriter("output.txt"));
*/
int n = i();
int m = i();
// int arr[] = is((int)n);
// String ans = "NO";
long ans = 0;
for (int i = 1; i <= n; i++) {}
out.write("" + ans + "\n");
out.flush();
return;
}
/**
* Prints the classifier to the specified file.
*
* @param fout is the output file.
*/
public void printNotNorm(PrintWriter fout) {
int i = 0;
fout.print(" ");
try {
for (i = 0; i < rep.length; i++) {
if (Config.typeOfAttributes[i].equals("enumerate")) {
rep[i].printNotNorm(fout, Config.enumConv[i]);
} else if (Config.typeOfAttributes[i].equals("integer")) {
if (Config.enumConv[i].size() > 0) rep[i].printNotNorm(fout, Config.enumConv[i]);
else rep[i].printNotNorm(fout, (int) Config.attBounds[i][0]);
} else if (Config.typeOfAttributes[i].equals("real")) {
rep[i].printNotNorm(fout, Config.attBounds[i][0], Config.attBounds[i][1]);
}
}
} catch (Exception e) {
System.out.println("Exception when printing the attribute: " + i);
e.printStackTrace();
}
fout.print("\t " + (String) Config.classConv.elementAt(action));
} // end print
/**
* Prints the desnormalized classifier to the specified file.
*
* @param fout is the file output where the classifier has to be printed.
*/
public void printNotNorm(PrintWriter fout) {
int i = 0;
fout.print(" ");
try {
for (i = 0; i < rep.length; i++) {
if (Config.typeOfAttributes[i].equals("ternary")) {
rep[i].print(fout);
} else if (Config.typeOfAttributes[i].equals("integer")) {
rep[i].printNotNorm(fout, Config.attBounds[i][0]);
} else if (Config.typeOfAttributes[i].equals("real")) {
rep[i].printNotNorm(fout, Config.attBounds[i][0], Config.attBounds[i][1]);
}
}
} catch (Exception e) {
System.out.println("Exception when printing the attribute: " + i);
e.printStackTrace();
}
fout.print("\t " + (String) Config.classConv.elementAt(action));
if (parameters != null) parameters.print(fout);
}
// You shouldn't need to modify this function
public void act() {
int a = selectAction();
// visit the node if it has positive utility
String buf;
int destination = world[currentNode].links[a];
if (currentUtilitiesforVisitingNodes[destination] > 0) buf = a + " Y\n";
else buf = a + " N\n";
System.out.print("Sent: " + buf);
sout.println(buf);
}
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
int i, j;
String amount = req.getParameter("amount");
String from = req.getParameter("from");
String to = req.getParameter("to");
String ch = req.getParameter("choice");
String answer, answer1, answer2, answer3;
if ("INFO".equals(ch)) {
Redirect_info newurl = (Redirect_info) getServletContext().getAttribute("redirect");
res.sendRedirect(newurl.getUrl());
} else {
out.println("<html>");
out.println("<title>Currency Converter</title>");
String addr = "http://www.google.com/ig/calculator?hl=en&q=" + amount + from + "=?" + to;
URL convert = new URL(addr);
BufferedReader in = new BufferedReader(new InputStreamReader(convert.openStream()));
answer = in.readLine();
answer = new String(answer.getBytes("ISO-8859-1"), "ISO-8859-7");
from = new String(from.getBytes("ISO-8859-1"), "ISO-8859-7");
to = new String(to.getBytes("ISO-8859-1"), "ISO-8859-7");
amount = new String(amount.getBytes("ISO-8859-1"), "ISO-8859-7");
in.close();
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(i + 1);
i = answer.indexOf('"');
answer = answer.substring(0, i);
out.println("<p ALIGN=CENTER>" + amount + " " + from + " == " + answer + "(" + to + ")</p>");
out.println("</body>");
out.println("</html>");
}
}
public Duder(String args[]) {
getConnected(args);
play();
try {
sin.close();
sout.close();
s.close();
} catch (IOException e) {
System.out.println(e);
}
}
/**
* Log all test case results to file. Depend on 'log' configuration details will be log or not.
*
* @throws IOException
*/
public void logToFile() throws IOException {
/*
// Generate file name
String DATE_FORMAT_NOW = "yyyyMMddHHmmssmm";
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT_NOW);
//String fileName = "report-" + sdf.format(cal.getTime())+ "-" + ran.nextInt(100);
//System.out.println("File Name is : " + oi.reportFilePath + fileName);
*
*/
String fileName = init.defaultReportFileName;
// Create new file
File reportFile = new File("C:\\" + fileName + ".csv");
if (reportFile.exists() == false) {
reportFile.createNewFile();
}
// Write log to reportFile
FileWriter outFile = new FileWriter(reportFile, true);
PrintWriter out = new PrintWriter(outFile, true);
Iterator<?> stepper = oi.logList.iterator();
while (stepper.hasNext()) {
out.println(stepper.next());
}
out.close();
System.out.println("File Name is : " + reportFile);
// Clear logList
oi.logList = new ArrayList<String>();
}
public static void main(String[] args) throws IOException {
BufferedReader f = new BufferedReader(new FileReader("treasure.in"));
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("treasure.out")));
StringTokenizer st = new StringTokenizer(f.readLine());
int N = Integer.parseInt(st.nextToken());
int[] coins = new int[N];
for (int i = 0; i < N; i++) {
st = new StringTokenizer(f.readLine());
coins[i] = Integer.parseInt(st.nextToken());
}
int min = 0;
int max = N - 1;
int ans = 0;
int other = 0;
int counter = 0;
while (min < max) {
if (coins[min] > coins[max]) {
if (counter % 2 == 0) {
ans += coins[min];
} else {
other += coins[min];
}
min++;
} else {
if (counter % 2 == 0) {
ans += coins[max];
} else {
other += coins[max];
}
max--;
}
counter++;
}
out.println(ans);
out.close();
System.exit(0);
}
/**
* It draws a real interval
*
* @param fout is a reference to the file where the classifier has to be drawn.
* @param lower is the lower value of the interval
* @param upper is the upper value of the interval.
*/
private void printInterval(PrintWriter fout, double lower, double upper) {
double aux = 0.0;
int points = Config.realDrawnPrecision;
double inc = 1. / (double) points;
for (double i = 0.; i < (double) points; i++) {
if (i * inc < lower && (i * inc + inc) <= lower) {
fout.print(".");
} else if (i * inc < lower && (i * inc + inc) > lower) {
fout.print("o");
} // In the next if, the value is bigger than the lower
else if (i * inc < upper && (i * inc + inc) <= upper) {
fout.print("O");
} else if (i * inc < upper && (i * inc + inc) > upper) {
fout.print("o");
} else if (i * inc >= lower) {
fout.print(".");
} else {
fout.print("ERR. Case not covered!!");
}
}
fout.print(" | ");
}
/**
* Add a quiz to a course if not already so. Also write the menu file for the course. Throws
* InvalidDBRequestException if quiz already in the course, error occured during insertion, or
* other exception occured. Throws FileFailureException if fail to append quiz to the menu.
*
* @param quizname the quiz name
* @param courseID the course id (course number + instructor name)
* @throws InvalidDBRequestException
*/
public void addQuiz(String quizName, String courseID)
throws InvalidDBRequestException, FileFailureException {
try {
Class.forName(GaigsServer.DBDRIVER);
db =
DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);
Statement stmt = db.createStatement();
Statement cstmt = db.createStatement();
ResultSet rs, courseRS;
int count = 0;
// get quiz info
courseRS =
cstmt.executeQuery(
"select menu_text, script_type, visual_type from test where name = '"
+ quizName
+ "'");
// check if quiz in the database
if (!courseRS.next())
throw new InvalidDBRequestException("Quiz is not registered in the database");
else {
// check if quiz already in the course
rs =
stmt.executeQuery(
"select test_name from courseTest where test_name = '"
+ quizName
+ "' and course_id = '"
+ courseID
+ "'");
if (rs.next()) throw new InvalidDBRequestException("Quiz is already added for the course");
else {
count =
stmt.executeUpdate(
"insert into courseTest (course_id, test_name) values ('"
+ courseID
+ "', '"
+ quizName
+ "')");
if (count != 1) throw new InvalidDBRequestException("Error occured during insertion");
else {
// append quiz info to the course menu
try {
PrintWriter fileOStream =
new PrintWriter(
new FileOutputStream("./html_root/cat/" + courseID + ".list", true));
if (debug)
System.out.println(
courseRS.getString(1).trim()
+ "\n"
+ quizName
+ " "
+ courseRS.getString(2).trim()
+ " "
+ courseRS.getString(3).trim().toLowerCase()
+ "\n****\n");
fileOStream.print(
courseRS.getString(1).trim()
+ "\n"
+ quizName
+ " "
+ courseRS.getString(2).trim()
+ " "
+ courseRS.getString(3).trim().toLowerCase()
+ "\n****\n");
fileOStream.flush();
fileOStream.close();
} catch (Exception e) {
System.err.println("Error in creating the menu: " + e.getMessage());
throw new FileFailureException("Error in creating the menu: " + e.getMessage());
}
}
}
}
courseRS.close();
rs.close();
stmt.close();
cstmt.close();
db.close();
} catch (SQLException e) {
System.err.println("Invalid SQL in addQuiz: " + e.getMessage());
throw new InvalidDBRequestException("??? ");
} catch (ClassNotFoundException e) {
System.err.println("Driver Not Loaded");
throw new InvalidDBRequestException("Internal Server Error");
}
}
public static void exporter(LinkedList<profile> usr, MatlabProxy proxy)
throws MatlabConnectionException, MatlabInvocationException {
String file = "/Users/richarddavies/NetBeansProjects/typ_MatlabGraph/rotCmp_2012.txt";
int i = 0;
try {
double result;
int index_a = 0;
int index_b = 0;
int item;
FileWriter fw = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fw);
PrintWriter outFile = new PrintWriter(bw);
outFile.println("nodedef>name VARCHAR,label VARCHAR,sex VARCHAR,locale VARCHAR");
for (i = 0; i < usr.size(); i++) {
outFile.println(
usr.get(i).idProf
+ ","
+ usr.get(i).firstName
+ ","
+ usr.get(i).gender
+ ","
+ usr.get(i).nat);
}
outFile.println("edgedef>node1 VARCHAR,node2 VARCHAR");
for (i = 0; i < usr.size(); i++) {
System.out.println(usr.get(i).firstName + ": ");
for (int j = 0; j < usr.size(); j++) {
index_a = i + 1;
index_b = j + 1;
// result = proxy.getVariable("adjMatrix("+index_a+","+index_b+");");
result = ((double[]) proxy.getVariable("adjMatrix(" + index_a + "," + index_b + ");"))[0];
item = (int) result;
// item = ((Integer)result).intValue();
// System.out.println(result);
if (item == 1) {
System.out.print(" (" + usr.get(j).firstName + ") ");
outFile.println(usr.get(i).idProf + "," + usr.get(j).idProf);
}
}
System.out.println(" ");
System.out.println(" ");
System.out.println(" ");
System.out.println(" ");
}
outFile.close();
} catch (IOException ex) {
System.out.println(" error : " + ex);
}
}
/**
* ** Encodes this DBRecordKey into XML and writes it to a specified PrintWriter ** @param out The
* PrintWriter ** @param indent The number of spaces to indent ** @param sequence Optional
* sequence value ** @param soapXML True for SOAP XML
*/
public void printXML(PrintWriter out, int indent, int sequence, boolean soapXML) {
if (out != null) {
out.write(this.toXML(null, indent, sequence, soapXML).toString());
out.flush();
}
}
public static void default_fn() throws IOException {
// Declaring Socket for sending and receiving data
DatagramSocket skt = null;
// declaring the fields to be used
String client_name, movie_name, time, cost, password, reply_string;
int i, j;
// assigning the socket a port number
skt = new DatagramSocket(6789);
// defining the buffer and its size
byte[] buffer = new byte[1000];
while (true) {
// defining the packet to be received from client
DatagramPacket request = new DatagramPacket(buffer, buffer.length);
// receiving the packet
skt.receive(request);
// comment on the console
System.out.println("Data received from client");
// Thread.sleep(5000);//for error check
// converting the message to string and then splitting it into fields divided by newline
// character
String[] arrayMsg = (new String(request.getData())).split("\n");
client_name = arrayMsg[1];
movie_name = arrayMsg[2];
time = arrayMsg[3];
cost = "$12";
password = "******";
// Composing the reply message by appending start time,cost and password
reply_string = client_name + "\n" + movie_name + "\n" + time + "\n" + cost + "\n" + password;
System.out.println(reply_string);
// Thread.sleep(5000); for error check
// converting string message to byte
byte[] sendMsg = (reply_string).getBytes();
// composing the data packet and sending it to the client's address and the same port the
// client used
DatagramPacket reply =
new DatagramPacket(sendMsg, sendMsg.length, request.getAddress(), request.getPort());
System.out.println("sending confirmation");
// Thread.sleep(5000);//for error check
// writing server log file
PrintWriter writer = new PrintWriter("server_log.txt", "UTF-8");
writer.println(client_name);
writer.println(movie_name);
writer.println(time);
writer.close();
// sending the data packet
skt.send(reply);
// Closing the server socket
skt.close();
}
}
public void service(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
Connection con = null;
String bnm[] = req.getParameterValues("Comics");
String qty[] = new String[bnm.length];
ArrayList al1 = new ArrayList();
ArrayList al2 = new ArrayList();
for (int i = 0; i < bnm.length; i++) {
qty[i] = req.getParameter(bnm[i]);
al1.add(bnm[i]);
al2.add(qty[i]);
}
HttpSession HSession = req.getSession(true);
ArrayList alo1 = (ArrayList) HSession.getValue("bNames");
ArrayList alo2 = (ArrayList) HSession.getValue("bQty");
al1.addAll(alo1);
al2.addAll(alo2);
HSession.putValue("bNames", al1);
HSession.putValue("bQty", al2);
out.println("<html>");
out.println("<title>Categories..</title>");
out.println("<body bgcolor=gold >");
out.println("<b><font face=\"Papyrus\" size=36 color= #806F7E><center>");
out.println("<big>Category</big></center>");
out.println("<ul type=disc>");
out.println("<font face=\"Maiandra GD\" color=black size=4>");
out.println("<li type=square>Choose your category..");
out.println("</li></font><br>");
out.println(
"<A href=\"FictionClick\"><font face=\"Mistral\" size=8 color=#208234><b>Fiction</b></A><br>");
out.println(
"<A href=\"NonFictionClick\"><font face=\"Mistral\" size=8 color=#208234><b>Non-Fiction</b></A><br>");
out.println(
"<A href=\"AutobiographyClick\"><font face=\"Mistral\" size=8 color=#208234><b>Autobiography</b></A><br>");
out.println(
"<A href=\"HistoryClick\"><font face=\"Mistral\" size=8 color=#208234><b>History</b></A><br>");
out.println(
"<A href=\"ComicsClick\"><font face=\"Mistral\" size=8 color=#208234><b>Comics</b></A></font><br><br>");
out.println("<center><form action=\"http://localhost:8080/servlet/FinalList\">");
out.println("<input type=submit value=\" Finalize List >>\"></form>");
out.println("<font face=\"Maiandra GD\" color=black size=4>");
out.println("Moves to final List..</center>");
out.println("</font></body>");
out.println("</html>");
} // service
public void run() {
do {
try {
BufferedReader inFromUser = new BufferedReader(new InputStreamReader(System.in));
File file = new File("time.txt");
FileWriter fw = new FileWriter(file);
Long start = 0l;
Long end = 0l;
BufferedWriter bw = new BufferedWriter(fw);
System.out.println("Enter the preferred choice");
System.out.println("1. REGISTER");
System.out.println("2. LEAVE");
System.out.println("3. SEARCH FOR RFC");
System.out.println("4. KEEPALIVE");
System.out.println("5. Do you want to EXIT");
System.out.println("*********************************************");
choice = Integer.parseInt(inFromUser.readLine());
// System.out.println(" Client requesting for connection");
clientSocket = new Socket("192.168.15.103", 6500);
BufferedReader inFromServer =
new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
PrintWriter outToServer =
new PrintWriter(new OutputStreamWriter(clientSocket.getOutputStream()), true);
// outToServer.println("Peer Requesting Connection");
switch (choice) {
case 4:
outToServer.println(
"KEEP ALIVE P2P-DI Cookieno "
+ cookie
+ " OS: "
+ System.getProperty("os.name")
+ " "
+ "v"
+ System.getProperty("os.version")
+ " USER: "******"user.name"));
System.out.println(inFromServer.readLine());
System.out.println("*********************************************");
break;
case 1:
try {
// System.out.println("Case 1 entered"); // testing
// statement
System.out.println("Please enter your IP addres");
ip = inFromUser.readLine();
outToServer.println(
"REG P2P-DI/1.1 -1 Portno 6789 Hostname "
+ ip
+ " OS: "
+ System.getProperty("os.name")
+ " "
+ "v"
+ System.getProperty("os.version")
+ " USER: "******"user.name"));
cookie = Integer.parseInt(inFromServer.readLine());
TTL = 7200;
System.out.println(inFromServer.readLine());
System.out.print("You are registered at time : ");
ct.currenttime();
System.out.println("Peer " + cookie); // peer cookie value
System.out.println("TTL Value :" + TTL);
System.out.println("*********************************************");
break;
} catch (Exception e) {
}
case 2:
// System.out.println("Case 2 entered"); testing statement
outToServer.println(
"LEAVE P2P-DI Cookieno "
+ cookie
+ " OS: "
+ System.getProperty("os.name")
+ " "
+ "v"
+ System.getProperty("os.version")
+ " USER: "******"user.name"));
// System.out.println("I am in peer"); testing statement
System.out.println(inFromServer.readLine());
System.out.println("*********************************************");
break;
case 3:
outToServer.println(
"PQUERY P2P-DI Cookieno "
+ cookie
+ " Portno 6789"
+ " OS: "
+ System.getProperty("os.name")
+ " "
+ "v"
+ System.getProperty("os.version")
+ " USER: "******"user.name"));
System.out.println("Which RFC number do you wish to have ?");
reqrfc = Integer.parseInt(inFromUser.readLine());
// System.out.println("Entered peer again");
// outToServer.println("KEEP ALIVE cookieno "+cookie);
String details = inFromServer.readLine();
String[] parray = details.split(" ");
int inactive = Integer.parseInt(parray[(parray.length - 1)]);
// System.out.println(darray.length);
if ((parray.length == 3) && (ip.equals(parray[1]))) {
System.out.println("P2P-DI No Active Peers available");
System.out.println("*********************************************");
} else {
System.out.println("****<POPULATING THE ACTIVE PEER LIST>****");
System.out.println();
System.out.println("The active peer list is as follows:");
System.out.println();
String[] darray = details.split(" ");
// System.out.println("Array length"+darray.length);
for (int i = 0; i < (darray.length - 2); i = i + 2) {
acthostname[j] = darray[i + 1];
System.out.println("Hostname :" + acthostname[j]);
actportno[j] = Integer.parseInt(darray[i + 2]);
System.out.println("Portno :" + actportno[j]);
System.out.println("*****************************");
j = j + 1;
}
System.out.println("Connecting to the active peers for its RFC Index");
for (int x = 0; x < j; x++) {
// System.out.println(ip);
if (!(acthostname[x].equals(ip))) {
System.out.println("Connecting to " + acthostname[x]);
Socket peersocket = new Socket(acthostname[x], 6791); // implement
// a for
// loop
BufferedReader inFromPeer =
new BufferedReader(new InputStreamReader(peersocket.getInputStream()));
PrintWriter outToPeer =
new PrintWriter(new OutputStreamWriter(peersocket.getOutputStream()), true);
outToPeer.println("RFCIndex");
// System.out.println(inFromServer.readLine());
// int searchrfc=Integer.parseInt(inFromUser.readLine());
// outToServer.println(searchrfc);
String rfcindex = inFromPeer.readLine(); // tell server to
// send rfc in
// string
String rfcarray[] = rfcindex.split(" ");
// System.out.println(rfcindex);
for (int i = 1; i < rfcarray.length; i = i + 4) {
trfcno[z] = Integer.parseInt(rfcarray[i]);
// System.out.println("RFC number " + trfcno[z]);
trfctitle[z] = rfcarray[i + 1];
// System.out.println("RFC Title " + trfctitle[z]);
tpeername[z] = rfcarray[i + 2];
// System.out.println("Peer Ip Address " + tpeername[z]);
tpTTL[z] = Integer.parseInt(rfcarray[i + 3]);
// System.out.println("TTL value :" + tpTTL[z]);
counter1 = counter1 + 1;
z = z + 1;
}
z = 0;
// if(arraybound==0)
// {
System.arraycopy(trfcno, 0, rfcno, counter2, trfcno.length);
System.arraycopy(trfctitle, 0, rfctitle, counter2, trfctitle.length);
System.arraycopy(tpeername, 0, peername, counter2, tpeername.length);
System.arraycopy(tpTTL, 0, pTTL, counter2, tpTTL.length);
z = 0;
counter2 = counter1;
counter1 = 0;
// arraybound=arraybound+1;
// }
System.out.println();
System.out.println();
System.out.println("*************************************************");
System.out.println("RFC Index received from the Peer");
// System.out.println();
System.out.println("\n-----------------------------------------");
System.out.println("RFC Index System - Display RFC Idex");
System.out.println("-------------------------------------------");
System.out.format(
"%10s%15s%15s%10s", "RFC No", "RFC Title", "Peer Name", "TTL Value");
System.out.println();
// StudentNode current = top;
// while (current != null){
// Student read = current.getStudentNode();
for (int i = 0; i < 60; i++) {
System.out.format(
"%10s%15s%15s%10s",
" " + rfcno[i], rfctitle[i], peername[i], " " + pTTL[i]);
System.out.println();
}
// This will output with a set number of character spaces
// per field, giving the list a table-like quality
// }
peersocket.close();
} // end of if
for (int i = 0; i < rfcno.length; i++) {
if (rfcno[i] == reqrfc) {
String taddress = InetAddress.getByName(peername[i]).toString();
String[] taddr = taddress.split("/");
InetAddress tproperaddress = InetAddress.getByName(taddr[1]);
// System.out.println("Inetaddress" + tproperaddress);
Socket peersocket1 = new Socket(tproperaddress, 6791); // implement
// a
// for
// loop
System.out.println("The connection to the Active Peer is establshed");
BufferedReader inFromP2P =
new BufferedReader(new InputStreamReader(peersocket1.getInputStream()));
PrintWriter outToP2P =
new PrintWriter(
new OutputStreamWriter(peersocket1.getOutputStream()), true);
System.out.println("Requested the RFC to the Active Peer Server");
start = System.currentTimeMillis();
outToP2P.println("GETRFC " + reqrfc);
// Socket socket = ;
try {
// Socket socket = null;
InputStream is = null;
FileOutputStream fos = null;
BufferedOutputStream bos = null;
int bufferSize = 0;
try {
is = peersocket1.getInputStream();
bufferSize = 64;
// System.out.println("Buffer size: " + bufferSize);
} catch (IOException ex) {
System.out.println("Can't get socket input stream. ");
}
try {
fos = new FileOutputStream("E:\\rfc" + reqrfc + "copy.txt");
bos = new BufferedOutputStream(fos);
} catch (FileNotFoundException ex) {
System.out.println("File not found. ");
}
byte[] bytes = new byte[bufferSize];
int count;
while ((count = is.read(bytes)) > 0) {
// System.out.println(count);
bos.write(bytes, 0, count);
}
System.out.println("P2P-DI 200 OK The RFC is copied");
end = System.currentTimeMillis();
System.out.println(
"Total Time to download file " + (end - start) + " milliseconds");
bos.flush();
bos.close();
is.close();
peersocket1.close();
break;
} catch (SocketException e) {
System.out.println("Socket exception");
}
} // end of if
else {
// System.out.println("No Peer with the required RFC could be found");
}
clientSocket.close();
// System.out.println("Connection closed");
bw.close();
fw.close();
} // end of inner for
} // end of outer for
System.out.println("Connection closed");
} // end of switch
} // end of else which checks the inactive conditions
} // end of try
catch (IOException ioe) {
System.out.println("IOException on socket listen: " + ioe);
ioe.printStackTrace();
}
} // end of do
while (choice != 5);
} // end of run
/**
* Remove a quiz from a course. Also deletes all the quiz visualization files from the students'
* folder who is registered in the course. Caution: vizualisation file will be deleted eventhough
* it also relates to anther course if the student is also registered to that course. (FIX ME!)
* Throws InvalidDBRequestException if the quiz is not registered in the course, error occured
* during deletion, or other exception occured.
*
* @param quizName quiz name
* @param courseID course id (course number + instructor name)
* @throws InvalidDBRequestException
*/
public void deleteQuiz(String quizName, String courseID)
throws InvalidDBRequestException, FileFailureException {
try {
Class.forName(GaigsServer.DBDRIVER);
db =
DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD);
Statement stmt = db.createStatement();
ResultSet rs;
int count = 0;
// check if quiz is used in the course
rs =
stmt.executeQuery(
"select test_name from courseTest where test_name = '"
+ quizName
+ "' and course_id = '"
+ courseID
+ "'");
if (!rs.next()) throw new InvalidDBRequestException("Quiz is not registered for the course");
else {
// remove quiz from course
count =
stmt.executeUpdate(
"delete from courseTest where course_id = '"
+ courseID
+ "' and test_name = '"
+ quizName
+ "'");
if (count != 1) throw new InvalidDBRequestException("Error occured during deletion");
else {
// delete quiz visualization files
rs =
stmt.executeQuery(
"select distinct unique_id, scores.user_login from scores, courseRoster "
+ "where courseRoster.user_login = scores.user_login "
+ "and course_id = '"
+ courseID
+ "' "
+ "and test_name = '"
+ quizName
+ "'");
while (rs.next()) {
deleteVisualization(rs.getString(1), rs.getString(2), quizName);
count =
stmt.executeUpdate(
"delete from scores where unique_id = " + rs.getString(1).trim());
}
// rewrite the menu for the course
rs =
stmt.executeQuery(
"select distinct menu_text, name, script_type, visual_type from test t, courseTest c "
+ "where t.name = c.test_name "
+ "and course_id = '"
+ courseID
+ "'");
PrintWriter fileOStream =
new PrintWriter(new FileOutputStream("./html_root/cat/" + courseID + ".list"));
while (rs.next()) {
if (debug)
System.out.println(
rs.getString(1).trim()
+ "\n"
+ rs.getString(2).trim()
+ " "
+ rs.getString(3).trim()
+ " "
+ rs.getString(4).trim().toLowerCase()
+ "\n****\n");
fileOStream.print(
rs.getString(1).trim()
+ "\n"
+ rs.getString(2).trim()
+ " "
+ rs.getString(3).trim()
+ " "
+ rs.getString(4).trim().toLowerCase()
+ "\n****\n");
}
fileOStream.flush();
fileOStream.close();
}
}
rs.close();
stmt.close();
db.close();
} catch (SQLException e) {
System.err.println("Invalid SQL in addQuiz: " + e.getMessage());
throw new InvalidDBRequestException("??? ");
} catch (ClassNotFoundException e) {
System.err.println("Driver Not Loaded");
throw new InvalidDBRequestException("Internal Server Error");
} catch (Exception e) {
System.err.println("Error in recreating menu for course: " + courseID);
System.err.println(e.getMessage());
throw new FileFailureException();
}
}
