List of usage examples for java.io BufferedReader BufferedReader
public BufferedReader(Reader in)
From source file:nl.raja.niruraji.pa.PlayGround.java
public static void main(String[] args) { try {//from ww w . j av a 2 s .c o m // create HTTP Client HttpClient httpClient = HttpClientBuilder.create().build(); String url = "http://buienradar.nl/Json/GetTwentyFourHourForecast?geolocationid=2751773"; // Create new getRequest with below mentioned URL HttpGet getRequest = new HttpGet(url); // Add additional header to getRequest which accepts application/xml data //getRequest.addHeader("accept", "application/xml"); // Execute your request and catch response HttpResponse response = httpClient.execute(getRequest); // Check for HTTP response code: 200 = success if (response.getStatusLine().getStatusCode() != 200) { throw new RuntimeException( "Failed : HTTP error code : " + response.getStatusLine().getStatusCode()); } String result = EntityUtils.toString(response.getEntity()); JSONObject myObject = new JSONObject(result); // Get-Capture Complete application/xml body response BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent()))); String output; System.out.println("============Output:============"); // Simply iterate through XML response and show on console. while ((output = br.readLine()) != null) { System.out.println(output); } } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
From source file:ZipDemo.java
public static void main(String[] args) throws Exception { for (int i = 0; i < args.length; ++i) { String uncompressed = ""; File f = new File(args[i]); if (f.exists()) { BufferedReader br = new BufferedReader(new FileReader(f)); String line = ""; StringBuffer buffer = new StringBuffer(); while ((line = br.readLine()) != null) buffer.append(line);//from ww w . j ava2 s . co m br.close(); uncompressed = buffer.toString(); } else { uncompressed = args[i]; } byte[] compressed = ZipDemo.compress(uncompressed); String compressedAsString = new String(compressed); byte[] bytesFromCompressedAsString = compressedAsString.getBytes(); bytesFromCompressedAsString.equals(compressed); System.out.println(ZipDemo.uncompress(compressed)); System.out.println(ZipDemo.uncompress(compressedAsString)); } }
From source file:com.mycompany.mavenproject4.NewMain.java
/** * @param args the command line arguments *///from w ww . j a va 2s . co m public static void main(String[] args) { System.out.println("Enter your choice do you want to work with 1.postgre 2.Redis 3.Mongodb"); InputStreamReader IORdatabase = new InputStreamReader(System.in); BufferedReader BIOdatabase = new BufferedReader(IORdatabase); String databasechoice = null; try { databasechoice = BIOdatabase.readLine(); } catch (Exception E7) { System.out.println(E7.getMessage()); } // loading data from the CSV file CsvReader Employees = null; try { Employees = new CsvReader("CSVFile\\Employees.csv"); } catch (FileNotFoundException EB) { System.out.println(EB.getMessage()); } int ColumnCount = 3; int RowCount = 100; int iloop = 0; try { Employees = new CsvReader("CSVFile\\Employees.csv"); } catch (FileNotFoundException E) { System.out.println(E.getMessage()); } String[][] Dataarray = new String[RowCount][ColumnCount]; try { while (Employees.readRecord()) { String v; String[] x; v = Employees.getRawRecord(); x = v.split(","); for (int j = 0; j < ColumnCount; j++) { String value = null; int z = j; value = x[z]; try { Dataarray[iloop][j] = value; } catch (Exception E) { System.out.println(E.getMessage()); } // System.out.println(Dataarray[iloop][j]); } iloop = iloop + 1; } } catch (IOException Em) { System.out.println(Em.getMessage()); } Employees.close(); // connection to Database switch (databasechoice) { // postgre code goes here case "1": Connection Conn = null; Statement Stmt = null; URI dbUri = null; String choice = null; InputStreamReader objin = new InputStreamReader(System.in); BufferedReader objbuf = new BufferedReader(objin); try { Class.forName("org.postgresql.Driver"); } catch (Exception E1) { System.out.println(E1.getMessage()); } String username = "ldoiarosfrzrua"; String password = "HBkE_pJpK5mMIg3p2q1_odmEFX"; String dbUrl = "jdbc:postgresql://ec2-54-83-53-120.compute-1.amazonaws.com:5432/d6693oljh5cco4?ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory"; // now update data in the postgress Database // for(int i=0;i<RowCount;i++) // { // try // { // Conn= DriverManager.getConnection(dbUrl, username, password); // Stmt = Conn.createStatement(); // String Connection_String = "insert into EmployeeDistinct (name,jobtitle,department) values (' "+ Dataarray[i][0]+" ',' "+ Dataarray[i][1]+" ',' "+ Dataarray[i][2]+" ')"; // Stmt.executeUpdate(Connection_String); // // } // catch(SQLException E4) // { // System.out.println(E4.getMessage()); // } // } // Quering with the Database System.out.println("1. Display Data "); System.out.println("2. Select data based on primary key"); System.out.println("3. Select data based on Other attributes e.g Name"); System.out.println("Enter your Choice "); try { choice = objbuf.readLine(); } catch (IOException E) { System.out.println(E.getMessage()); } switch (choice) { case "1": try { Conn = DriverManager.getConnection(dbUrl, username, password); Stmt = Conn.createStatement(); String Connection_String = " Select * from EmployeeDistinct;"; ResultSet objRS = Stmt.executeQuery(Connection_String); while (objRS.next()) { System.out.println("Employee ID: " + objRS.getInt("EmployeeID")); System.out.println("Employee Name: " + objRS.getString("Name")); System.out.println("Employee City: " + objRS.getString("Jobtitle")); System.out.println("Employee City: " + objRS.getString("Department")); } } catch (Exception E2) { System.out.println(E2.getMessage()); } break; case "2": System.out.println("Enter the Primary Key"); InputStreamReader objkey = new InputStreamReader(System.in); BufferedReader objbufkey = new BufferedReader(objkey); int key = 0; try { key = Integer.parseInt(objbufkey.readLine()); } catch (IOException E) { System.out.println(E.getMessage()); } try { Conn = DriverManager.getConnection(dbUrl, username, password); Stmt = Conn.createStatement(); String Connection_String = " Select * from EmployeeDistinct where EmployeeID=" + key + ";"; ResultSet objRS = Stmt.executeQuery(Connection_String); while (objRS.next()) { System.out.println("Employee Name: " + objRS.getString("Name")); System.out.println("Employee City: " + objRS.getString("Jobtitle")); System.out.println("Employee City: " + objRS.getString("Department")); } } catch (Exception E2) { System.out.println(E2.getMessage()); } break; case "3": String Name = null; System.out.println("Enter Name to find the record"); InputStreamReader objname = new InputStreamReader(System.in); BufferedReader objbufname = new BufferedReader(objname); try { Name = (objbufname.readLine()).toString(); } catch (IOException E) { System.out.println(E.getMessage()); } try { Conn = DriverManager.getConnection(dbUrl, username, password); Stmt = Conn.createStatement(); String Connection_String = " Select * from EmployeeDistinct where Name=" + "'" + Name + "'" + ";"; ResultSet objRS = Stmt.executeQuery(Connection_String); while (objRS.next()) { System.out.println("Employee ID: " + objRS.getInt("EmployeeID")); System.out.println("Employee City: " + objRS.getString("Jobtitle")); System.out.println("Employee City: " + objRS.getString("Department")); } } catch (Exception E2) { System.out.println(E2.getMessage()); } break; } try { Conn.close(); } catch (SQLException E6) { System.out.println(E6.getMessage()); } break; // Redis code goes here case "2": int Length = 0; String ID = null; Length = 100; // Connection to Redis Jedis jedis = new Jedis("pub-redis-18017.us-east-1-4.6.ec2.redislabs.com", 18017); jedis.auth("7EFOisRwMu8zvhin"); System.out.println("Connected to Redis"); // Storing values in the database // System.out.println("Storing values in the Database might take a minute "); // for(int i=0;i<Length;i++) // { // Store data in redis // int j=i+1; // jedis.hset("Employe:" + j , "Name", Dataarray[i][0]); // jedis.hset("Employe:" + j , "Jobtitle ", Dataarray[i][1]); // jedis.hset("Employe:" + j , "Department", Dataarray[i][2]); // } System.out.println("Search by 1.primary key,2.Name 3.display first 20"); InputStreamReader objkey = new InputStreamReader(System.in); BufferedReader objbufkey = new BufferedReader(objkey); String interimChoice1 = null; try { interimChoice1 = objbufkey.readLine(); } catch (IOException E) { System.out.println(E.getMessage()); } switch (interimChoice1) { case "1": System.out.print("Get details using the primary Key"); InputStreamReader IORKey = new InputStreamReader(System.in); BufferedReader BIORKey = new BufferedReader(IORKey); String ID1 = null; try { ID1 = BIORKey.readLine(); } catch (IOException E3) { System.out.println(E3.getMessage()); } Map<String, String> properties = jedis.hgetAll("Employe:" + Integer.parseInt(ID1)); for (Map.Entry<String, String> entry : properties.entrySet()) { System.out.println("Name:" + jedis.hget("Employee:" + Integer.parseInt(ID1), "Name")); System.out.println("Jobtitle:" + jedis.hget("Employee:" + Integer.parseInt(ID1), "Jobtitle")); System.out .println("Department:" + jedis.hget("Employee:" + Integer.parseInt(ID1), "Department")); } break; case "2": System.out.print("Get details using Department"); InputStreamReader IORName1 = new InputStreamReader(System.in); BufferedReader BIORName1 = new BufferedReader(IORName1); String ID2 = null; try { ID2 = BIORName1.readLine(); } catch (IOException E3) { System.out.println(E3.getMessage()); } for (int i = 0; i < 100; i++) { Map<String, String> properties3 = jedis.hgetAll("Employe:" + i); for (Map.Entry<String, String> entry : properties3.entrySet()) { String value = entry.getValue(); if (entry.getValue().equals(ID2)) { System.out.println("Name:" + jedis.hget("Employee:" + i, "Name")); System.out.println("Jobtitle:" + jedis.hget("Employee:" + i, "Jobtitle")); System.out.println("Department:" + jedis.hget("Employee:" + i, "Department")); } } } //for (Map.Entry<String, String> entry : properties1.entrySet()) //{ //System.out.println(entry.getKey() + "---" + entry.getValue()); // } break; case "3": for (int i = 1; i < 21; i++) { Map<String, String> properties3 = jedis.hgetAll("Employe:" + i); for (Map.Entry<String, String> entry : properties3.entrySet()) { // System.out.println(jedis.hget("Employee:" + i,"Name")); System.out.println("Name:" + jedis.hget("Employee:" + i, "Name")); System.out.println("Jobtitle:" + jedis.hget("Employee:" + i, "Jobtitle")); System.out.println("Department:" + jedis.hget("Employee:" + i, "Department")); } } break; } break; // mongo db code goes here case "3": MongoClient mongo = new MongoClient( new MongoClientURI("mongodb://root2:12345@ds055564.mongolab.com:55564/heroku_766dnj8c")); DB db; db = mongo.getDB("heroku_766dnj8c"); // storing values in the database // for(int i=0;i<100;i++) // { // BasicDBObject document = new BasicDBObject(); // document.put("_id", i+1); // document.put("Name", Dataarray[i][0]); // document.put("Jobtitle", Dataarray[i][1]); // document.put("Department", Dataarray[i][2]); // db.getCollection("EmployeeRaw").insert(document); // } System.out.println("Search by 1.primary key,2.Name 3.display first 20"); InputStreamReader objkey6 = new InputStreamReader(System.in); BufferedReader objbufkey6 = new BufferedReader(objkey6); String interimChoice = null; try { interimChoice = objbufkey6.readLine(); } catch (IOException E) { System.out.println(E.getMessage()); } switch (interimChoice) { case "1": System.out.println("Enter the Primary Key"); InputStreamReader IORPkey = new InputStreamReader(System.in); BufferedReader BIORPkey = new BufferedReader(IORPkey); int Pkey = 0; try { Pkey = Integer.parseInt(BIORPkey.readLine()); } catch (IOException E) { System.out.println(E.getMessage()); } BasicDBObject inQuery = new BasicDBObject(); inQuery.put("_id", Pkey); DBCursor cursor = db.getCollection("EmployeeRaw").find(inQuery); while (cursor.hasNext()) { // System.out.println(cursor.next()); System.out.println(cursor.next()); } break; case "2": System.out.println("Enter the Name to Search"); InputStreamReader objName = new InputStreamReader(System.in); BufferedReader objbufName = new BufferedReader(objName); String Name = null; try { Name = objbufName.readLine(); } catch (IOException E) { System.out.println(E.getMessage()); } BasicDBObject inQuery1 = new BasicDBObject(); inQuery1.put("Name", Name); DBCursor cursor1 = db.getCollection("EmployeeRaw").find(inQuery1); while (cursor1.hasNext()) { // System.out.println(cursor.next()); System.out.println(cursor1.next()); } break; case "3": for (int i = 1; i < 21; i++) { BasicDBObject inQuerya = new BasicDBObject(); inQuerya.put("_id", i); DBCursor cursora = db.getCollection("EmployeeRaw").find(inQuerya); while (cursora.hasNext()) { // System.out.println(cursor.next()); System.out.println(cursora.next()); } } break; } break; } }
From source file:GenericClient.java
public static void main(String[] args) throws IOException { try {//from ww w. j a v a2 s . c om // Check the number of arguments if (args.length != 2) throw new IllegalArgumentException("Wrong number of args"); // Parse the host and port specifications String host = args[0]; int port = Integer.parseInt(args[1]); // Connect to the specified host and port Socket s = new Socket(host, port); // Set up streams for reading from and writing to the server. // The from_server stream is final for use in the inner class below final Reader from_server = new InputStreamReader(s.getInputStream()); PrintWriter to_server = new PrintWriter(s.getOutputStream()); // Set up streams for reading from and writing to the console // The to_user stream is final for use in the anonymous class below BufferedReader from_user = new BufferedReader(new InputStreamReader(System.in)); // Pass true for auto-flush on println() final PrintWriter to_user = new PrintWriter(System.out, true); // Tell the user that we've connected to_user.println("Connected to " + s.getInetAddress() + ":" + s.getPort()); // Create a thread that gets output from the server and displays // it to the user. We use a separate thread for this so that we // can receive asynchronous output Thread t = new Thread() { public void run() { char[] buffer = new char[1024]; int chars_read; try { // Read characters from the server until the // stream closes, and write them to the console while ((chars_read = from_server.read(buffer)) != -1) { to_user.write(buffer, 0, chars_read); to_user.flush(); } } catch (IOException e) { to_user.println(e); } // When the server closes the connection, the loop above // will end. Tell the user what happened, and call // System.exit(), causing the main thread to exit along // with this one. to_user.println("Connection closed by server."); System.exit(0); } }; // Now start the server-to-user thread t.start(); // In parallel, read the user's input and pass it on to the server. String line; while ((line = from_user.readLine()) != null) { to_server.print(line + "\r\n"); to_server.flush(); } // If the user types a Ctrl-D (Unix) or Ctrl-Z (Windows) to end // their input, we'll get an EOF, and the loop above will exit. // When this happens, we stop the server-to-user thread and close // the socket. s.close(); to_user.println("Connection closed by client."); System.exit(0); } // If anything goes wrong, print an error message catch (Exception e) { System.err.println(e); System.err.println("Usage: java GenericClient <hostname> <port>"); } }
From source file:com.sap.core.odata.fit.mapping.MappingTest.java
public static void main(final String[] args) { final TestServer server = new TestServer(); try {/* ww w. ja va 2s.co m*/ server.startServer(MapFactory.class); System.out.println("Press any key to exit"); new BufferedReader(new InputStreamReader(System.in)).readLine(); } catch (final IOException e) { e.printStackTrace(System.err); } finally { server.stopServer(); } }
From source file:OpenFileByName.java
public static void main(String[] args) throws IOException { BufferedReader is = new BufferedReader(new FileReader("myFile.txt")); BufferedOutputStream bytesOut = new BufferedOutputStream(new FileOutputStream("bytes.dat")); // Code here to read from is, write to bytesOut bytesOut.close();/* w w w . jav a 2 s. c om*/ }
From source file:ci6226.buildindex.java
/** * @param args the command line arguments *//*from w w w . ja va2 s.c om*/ public static void main(String[] args) throws FileNotFoundException, IOException, ParseException { String file = "/home/steven/Dropbox/workspace/ntu_coursework/ci6226/Assiment/yelpdata/yelp_training_set/yelp_training_set_review.json"; JSONParser parser = new JSONParser(); BufferedReader in = new BufferedReader(new FileReader(file)); // List<Document> jdocs = new LinkedList<Document>(); Date start = new Date(); String indexPath = "./myindex"; System.out.println("Indexing to directory '" + indexPath + "'..."); // Analyzer analyzer= new NGramAnalyzer(2,8); Analyzer analyzer = new myAnalyzer(); IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_47, analyzer); Directory dir = FSDirectory.open(new File(indexPath)); // :Post-Release-Update-Version.LUCENE_XY: // TODO: try different analyzer,stop words,words steming check size // Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_47); // Add new documents to an existing index: // iwc.setOpenMode(OpenMode.CREATE_OR_APPEND); iwc.setOpenMode(OpenMode.CREATE_OR_APPEND); // Optional: for better indexing performance, if you // are indexing many documents, increase the RAM // buffer. But if you do this, increase the max heap // size to the JVM (eg add -Xmx512m or -Xmx1g): // // iwc.setRAMBufferSizeMB(256.0); IndexWriter writer = new IndexWriter(dir, iwc); // writer.addDocuments(jdocs); int line = 0; while (in.ready()) { String s = in.readLine(); Object obj = JSONValue.parse(s); JSONObject person = (JSONObject) obj; String text = (String) person.get("text"); String user_id = (String) person.get("user_id"); String business_id = (String) person.get("business_id"); String review_id = (String) person.get("review_id"); JSONObject votes = (JSONObject) person.get("votes"); long funny = (Long) votes.get("funny"); long cool = (Long) votes.get("cool"); long useful = (Long) votes.get("useful"); Document doc = new Document(); Field review_idf = new StringField("review_id", review_id, Field.Store.YES); doc.add(review_idf); Field business_idf = new StringField("business_id", business_id, Field.Store.YES); doc.add(business_idf); //http://qindongliang1922.iteye.com/blog/2030639 FieldType ft = new FieldType(); ft.setIndexed(true);// ft.setStored(true);// ft.setStoreTermVectors(true); ft.setTokenized(true); ft.setStoreTermVectorPositions(true);//? ft.setStoreTermVectorOffsets(true);//??? Field textf = new Field("text", text, ft); doc.add(textf); // Field user_idf = new StringField("user_id", user_id, Field.Store.YES); // doc.add(user_idf); // doc.add(new LongField("cool", cool, Field.Store.YES)); // doc.add(new LongField("funny", funny, Field.Store.YES)); // doc.add(new LongField("useful", useful, Field.Store.YES)); writer.addDocument(doc); System.out.println(line++); } writer.close(); Date end = new Date(); System.out.println(end.getTime() - start.getTime() + " total milliseconds"); // BufferedReader in = new BufferedReader(new FileReader(file)); //while (in.ready()) { // String s = in.readLine(); // //System.out.println(s); // JSONObject jsonObject = (JSONObject) ((Object)s); // String rtext = (String) jsonObject.get("text"); // System.out.println(rtext); // //long age = (Long) jsonObject.get("age"); // //System.out.println(age); //} //in.close(); }
From source file:com.honnix.yaacs.adapter.http.ui.ACHttpClientCli.java
public static void main(String[] args) { ACHttpClientCli acHttpClientCli = new ACHttpClientCli(); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); while (true) { acHttpClientCli.help();/*from w w w. ja v a 2 s . com*/ String cmd = null; try { cmd = br.readLine(); } catch (IOException e) { e.printStackTrace(); // NOPMD by honnix on 3/29/08 10:35 PM System.err.println(BAD_INPUT); // NOPMD by honnix on 3/29/08 10:35 PM continue; } if ("li".equals(cmd)) { try { acHttpClientCli.handleLogin(br); } catch (Exception e) { e.printStackTrace(); // NOPMD by honnix on 3/29/08 10:35 PM System.err.println("Error logging in."); // NOPMD by honnix on 3/29/08 10:35 PM } } else if ("lo".equals(cmd)) { try { acHttpClientCli.handleLogout(); } catch (Exception e) { e.printStackTrace(); // NOPMD by honnix on 3/29/08 10:35 PM System.err.println("Error logging out."); // NOPMD by honnix on 3/29/08 10:35 PM } } if ("p".equals(cmd)) { try { acHttpClientCli.handlePut(br); } catch (Exception e) { e.printStackTrace(); // NOPMD by honnix on 3/29/08 10:35 PM System.err.println("Error putting album cover."); // NOPMD by honnix on 3/29/08 10:36 PM } } else if ("r".equals(cmd)) { try { acHttpClientCli.handleRetrieve(br); } catch (Exception e) { e.printStackTrace(); // NOPMD by honnix on 3/29/08 10:35 PM System.err.println("Error retrieving album cover list."); // NOPMD by honnix on 3/29/08 10:36 PM } } else if ("q".equals(cmd)) { break; } } }
From source file:ca.mcgill.networkdynamics.geoinference.evaluation.CrossValidationScorer.java
public static void main(String[] args) throws Exception { if (args.length != 4) { System.out.println("java CVS predictions-dir/ " + "cv-gold-dir/ results.txt error-sample.tsv"); return;//from w w w . j ava 2s . co m } File predDir = new File(args[0]); File cvDir = new File(args[1]); TDoubleList errors = new TDoubleArrayList(10_000_000); TLongSet locatedUsers = new TLongHashSet(10_000_000); TLongSet allUsers = new TLongHashSet(10_000_000); TLongObjectMap<TDoubleList> userToErrors = new TLongObjectHashMap<TDoubleList>(); TLongDoubleMap tweetIdToError = new TLongDoubleHashMap(10_000_000); TLongObjectMap<double[]> idToPredLoc = new TLongObjectHashMap<double[]>(); int tweetsSeen = 0; int tweetsLocated = 0; BufferedReader cvBr = new BufferedReader(new FileReader(new File(cvDir, "folds.info.tsv"))); for (String foldLine = null; (foldLine = cvBr.readLine()) != null;) { String[] cols = foldLine.split("\t"); String foldName = cols[0]; System.out.printf("Scoring results for fold %s%n", foldName); File foldPredictionsFile = new File(predDir, foldName + ".results.tsv.gz"); File goldLocFile = new File(cvDir, foldName + ".gold-locations.tsv"); if (foldPredictionsFile.exists()) { BufferedReader br = Files.openGz(foldPredictionsFile); for (String line = null; (line = br.readLine()) != null;) { String[] arr = line.split("\t"); long id = Long.parseLong(arr[0]); idToPredLoc.put(id, new double[] { Double.parseDouble(arr[1]), Double.parseDouble(arr[2]) }); } br.close(); } System.out.printf("loaded predictions for %d tweets; " + "scoring predictions%n", idToPredLoc.size()); BufferedReader br = new BufferedReader(new FileReader(goldLocFile)); for (String line = null; (line = br.readLine()) != null;) { String[] arr = line.split("\t"); long id = Long.parseLong(arr[0]); long userId = Long.parseLong(arr[1]); allUsers.add(userId); tweetsSeen++; double[] predLoc = idToPredLoc.get(id); if (predLoc == null) continue; tweetsLocated++; locatedUsers.add(userId); double[] goldLoc = new double[] { Double.parseDouble(arr[2]), Double.parseDouble(arr[3]) }; double dist = Geometry.getDistance(predLoc, goldLoc); errors.add(dist); tweetIdToError.put(id, dist); TDoubleList userErrors = userToErrors.get(userId); if (userErrors == null) { userErrors = new TDoubleArrayList(); userToErrors.put(userId, userErrors); } userErrors.add(dist); } br.close(); } errors.sort(); System.out.println("Num errors to score: " + errors.size()); double auc = 0; double userCoverage = 0; double tweetCoverage = tweetsLocated / (double) tweetsSeen; double medianMaxUserError = Double.NaN; double medianMedianUserError = Double.NaN; if (errors.size() > 0) { auc = computeAuc(errors); userCoverage = locatedUsers.size() / ((double) allUsers.size()); TDoubleList maxUserErrors = new TDoubleArrayList(locatedUsers.size()); TDoubleList medianUserErrors = new TDoubleArrayList(locatedUsers.size()); for (TDoubleList userErrors : userToErrors.valueCollection()) { userErrors.sort(); maxUserErrors.add(userErrors.get(userErrors.size() - 1)); medianUserErrors.add(userErrors.get(userErrors.size() / 2)); } maxUserErrors.sort(); medianMaxUserError = maxUserErrors.get(maxUserErrors.size() / 2); medianUserErrors.sort(); medianMedianUserError = medianUserErrors.get(medianUserErrors.size() / 2); // Compute CDF int[] errorsPerKm = new int[MAX_KM]; for (int i = 0; i < errors.size(); ++i) { int error = (int) (Math.round(errors.get(i))); errorsPerKm[error]++; } // The accumulated sum of errors per km int[] errorsBelowEachKm = new int[errorsPerKm.length]; for (int i = 0; i < errorsBelowEachKm.length; ++i) { errorsBelowEachKm[i] = errorsPerKm[i]; if (i > 0) errorsBelowEachKm[i] += errorsBelowEachKm[i - 1]; } final double[] cdf = new double[errorsBelowEachKm.length]; double dSize = errors.size(); // to avoid casting all the time for (int i = 0; i < cdf.length; ++i) cdf[i] = errorsBelowEachKm[i] / dSize; } PrintWriter pw = new PrintWriter(new File(args[2])); pw.println("AUC\t" + auc); pw.println("user coverage\t" + userCoverage); pw.println("tweet coverage\t" + tweetCoverage); pw.println("median-max error\t" + medianMaxUserError); pw.close(); // Choose a random sampling of 10K tweets to pass on to the authors // here. PrintWriter errorsPw = new PrintWriter(args[3]); TLongList idsWithErrors = new TLongArrayList(tweetIdToError.keySet()); idsWithErrors.shuffle(new Random()); // Choose the first 10K for (int i = 0, chosen = 0; i < idsWithErrors.size() && chosen < 10_000; ++i) { long id = idsWithErrors.get(i); double[] prediction = idToPredLoc.get(id); double error = tweetIdToError.get(id); errorsPw.println(id + "\t" + error + "\t" + prediction[0] + "\t" + prediction[1]); ++chosen; } errorsPw.close(); }
From source file:cc.vidr.datum.tools.Console.java
public static void main(String[] args) throws IOException { System.out.print("Warming up... "); System.out.flush();/*from w w w .ja va 2s . co m*/ QA.query(""); System.out.println("Ready."); System.out.println("Ask me a question. Leave a blank line to exit."); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); while (true) { int numServers = Server.getNumServers(); int numFacts = Server.getNumFacts(); System.out.print("> "); String q = in.readLine(); if (q == null || q.isEmpty()) { System.out.println("Bye."); break; } Literal[] facts; if (q.startsWith("?-")) { try { Program program = new Program(q.substring(2)); Clause[] query = program.parse(); facts = Server.query(query[0].getHead()); } catch (RecognitionException e) { facts = new Literal[0]; } } else { facts = QA.query(q); } for (Literal fact : facts) printFact(fact, 0); if (facts.length == 0) System.out.println("I don't know."); if (DEBUG) { System.err.println((Server.getNumServers() - numServers) + " servers spawned"); System.err.println((Server.getNumFacts() - numFacts) + " facts retrieved/generated"); } } }