Example usage for java.util Scanner hasNextLine

Introduction

In this page you can find the example usage for java.util Scanner hasNextLine.

Prototype

public boolean hasNextLine() 

Source Link

Document

Returns true if there is another line in the input of this scanner.

Usage

From source file:dsfixgui.FileIO.DSFixFileController.java

public void turnOffIngameAA() {

    ui.printConsole(TURNING_OFF_AA);//  w  w  w  .  ja  va2  s  .com

    if (System.getenv("AppData") != null) {
        ui.printConsole(FOUND_APPDATA);
        File iniFile = new File(
                System.getenv("AppData").substring(0, System.getenv("AppData").indexOf(APPDATA)) + APPDATA_INI);
        if (iniFile.exists()) {

            Scanner fileReader;

            try {
                fileReader = new Scanner(iniFile);
            } catch (FileNotFoundException ex) {
                ui.printConsole(UNABLE_TO_READ_DS_INI);
                couldntTurnOffAA();
                return;
            }

            int linesRead;
            String editedIniBuffer = "";
            for (linesRead = 0; linesRead <= 60 && fileReader.hasNextLine(); linesRead++) {
                //Begin reading DarkSouls.ini
                String line = fileReader.nextLine();
                if (line.contains(AA_SETTING)) {
                    //Change this line of the .ini file
                    line = AA_SETTING + " = 0";
                }

                line += String.format("%n");
                editedIniBuffer += line;
            }

            if (linesRead == 61) {
                //All lines were read without issue, now write file
                try {
                    ui.printConsole(WRITING_FILE[0]);
                    BufferedWriter fileWriter = new BufferedWriter(new FileWriter(iniFile));
                    fileWriter.write(editedIniBuffer);
                    fileWriter.close();
                    //Write was successful
                    ui.printConsole(WRITING_FILE[1] + " " + TURNED_OFF_AA);
                } catch (IOException ex) {
                    ui.printConsole(IOEX_FILE_WRITER);
                    ui.printConsole(FILE_WRITE_FAILED + " " + SEE_CONSOLE);
                    couldntTurnOffAA();
                }
            } else {
                ui.printConsole(UNABLE_TO_READ_DS_INI + " " + linesRead);
                couldntTurnOffAA();
            }

        } else {
            ui.printConsole(UNABLE_TO_FIND_DS_INI);
            File template = new File(TEMPLATES_DIR + "\\" + DS_INI);
            ui.printConsole(CREATING_INI);
            try {
                FileUtils.copyFile(template, iniFile);
                ui.printConsole(TURNED_OFF_AA);
            } catch (IOException ioe) {
                couldntTurnOffAA();
            }
        }
    } else {
        ui.printConsole(UNABLE_TO_FIND_APPDATA);
        couldntTurnOffAA();
    }
}

---

From source file:dsfixgui.view.DSFGraphicsPane.java

private String getFPSFixKey() {

    File fpsFixCfg = new File(ui.getDataFolder() + "\\" + FPS_FIX_FILES[1]);

    if (fpsFixCfg.exists()) {
        try {//from   w ww .jav a2  s .  c o m
            Scanner fpsFixKeyScanner = new Scanner(fpsFixCfg);

            while (fpsFixKeyScanner.hasNextLine()) {
                String line = fpsFixKeyScanner.nextLine();
                if (line.startsWith("Key=")) {
                    fpsFixKeyScanner.close();
                    return line.substring(line.indexOf("Key=") + 4);
                }
            }
        } catch (FileNotFoundException ex) {
            //Logger.getLogger(DSFGraphicsPane.class.getName()).log(Level.SEVERE, null, ex);
            return null;
        }
    } else {
        return null;
    }

    return null;
}

---

From source file:ml.shifu.shifu.core.processor.VarSelectModelProcessor.java

private int persistColumnIds(Path path) {
    try {//ww w. j av a 2  s .  co  m
        List<Scanner> scanners = ShifuFileUtils.getDataScanners(path.toString(),
                modelConfig.getDataSet().getSource());

        List<Integer> ids = null;
        for (Scanner scanner : scanners) {
            while (scanner.hasNextLine()) {
                String[] raw = scanner.nextLine().trim().split("\\|");

                @SuppressWarnings("unused")
                int idSize = Integer.parseInt(raw[0]);

                ids = CommonUtils.stringToIntegerList(raw[1]);

            }
        }

        // prevent multiply running setting
        for (ColumnConfig config : columnConfigList) {
            if (!config.isForceSelect()) {
                config.setFinalSelect(Boolean.FALSE);
            }
        }

        for (Integer id : ids) {
            this.columnConfigList.get(id).setFinalSelect(Boolean.TRUE);
        }

        super.saveColumnConfigList();

    } catch (IOException e) {
        e.printStackTrace();
        return -1;
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
        return -1;
    }

    return 0;
}

---

From source file:dsfixgui.view.DSFGraphicsPane.java

public void setFPSFixKey(String newFPSFixKey) {
    try {// w w w.ja va  2s . c o m
        String fpsFixCfg = readTextFile(ui.getDataFolder() + "\\" + FPS_FIX_FILES[1]);

        ui.printConsole(WRITING_FILE[0] + FPS_FIX_FILES[1] + "...");
        //The file to be written
        File writeFile = new File(ui.getDataFolder() + "\\" + FPS_FIX_FILES[1]);
        if (writeFile.exists()) {
            //If file exists, try to delete it
            if (!writeFile.delete()) {
                //If file cannot be deleted, throw OIOException
                throw new IIOException("Could not delete pre-existing file: " + FPS_FIX_FILES[1]);
            }
        }

        //Format each linebreak to be displayed correctly in a text file
        String formattedText = fpsFixCfg.replaceAll("\n", String.format("%n"));
        //Initialize BufferedWriter to write string to file
        BufferedWriter fileWriter = new BufferedWriter(new FileWriter(writeFile));
        //Write the file
        Scanner scanner = new Scanner(formattedText);
        int i = 0;
        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            if (line.startsWith("Key=")) {
                fileWriter.write("Key=" + newFPSFixKey);
                fileWriter.newLine();
                i++;
            } else if (line.length() > 1) {
                fileWriter.write(line);
                fileWriter.newLine();
                i++;
            } else if (i == 2 || i == 4) {
                fileWriter.newLine();
                i++;
            }
        }
        fileWriter.close();
        scanner.close();

        ui.printConsole(WRITING_FILE[1]);
    } catch (IOException ex) {
        ui.printConsole(FILES_EDITED_ERR[0] + FPS_FIX_FILES[1]);
        fpsFixKeyPicker.setDisable(true);
    }
}

---

From source file:org.apache.accumulo.core.util.shell.Shell.java

public int start() throws IOException {
    if (configError)
        return 1;

    String input;/*from   w  w  w  . jav  a 2s .  c  om*/
    if (isVerbose())
        printInfo();

    String home = System.getProperty("HOME");
    if (home == null)
        home = System.getenv("HOME");
    String configDir = home + "/" + HISTORY_DIR_NAME;
    String historyPath = configDir + "/" + HISTORY_FILE_NAME;
    File accumuloDir = new File(configDir);
    if (!accumuloDir.exists() && !accumuloDir.mkdirs())
        log.warn("Unable to make directory for history at " + accumuloDir);
    try {
        final FileHistory history = new FileHistory(new File(historyPath));
        reader.setHistory(history);
        // Add shutdown hook to flush file history, per jline javadocs
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                try {
                    history.flush();
                } catch (IOException e) {
                    log.warn("Could not flush history to file.");
                }
            }
        });
    } catch (IOException e) {
        log.warn("Unable to load history file at " + historyPath);
    }

    // Turn Ctrl+C into Exception instead of JVM exit
    reader.setHandleUserInterrupt(true);

    ShellCompletor userCompletor = null;

    if (execFile != null) {
        java.util.Scanner scanner = new java.util.Scanner(execFile, Constants.UTF8.name());
        try {
            while (scanner.hasNextLine() && !hasExited()) {
                execCommand(scanner.nextLine(), true, isVerbose());
            }
        } finally {
            scanner.close();
        }
    } else if (execCommand != null) {
        for (String command : execCommand.split("\n")) {
            execCommand(command, true, isVerbose());
        }
        return exitCode;
    }

    while (true) {
        try {
            if (hasExited())
                return exitCode;

            // If tab completion is true we need to reset
            if (tabCompletion) {
                if (userCompletor != null)
                    reader.removeCompleter(userCompletor);

                userCompletor = setupCompletion();
                reader.addCompleter(userCompletor);
            }

            reader.setPrompt(getDefaultPrompt());
            input = reader.readLine();
            if (input == null) {
                reader.println();
                return exitCode;
            } // User Canceled (Ctrl+D)

            execCommand(input, disableAuthTimeout, false);
        } catch (UserInterruptException uie) {
            // User Cancelled (Ctrl+C)
            reader.println();

            String partialLine = uie.getPartialLine();
            if (partialLine == null || "".equals(uie.getPartialLine().trim())) {
                // No content, actually exit
                return exitCode;
            }
        } finally {
            reader.flush();
        }
    }
}

---

From source file:de.evaluationtool.gui.EvaluationFrame.java

public String[][] loadNT(File f) throws FileNotFoundException {
    List<String[]> rows = new LinkedList<String[]>();
    Scanner in = new Scanner(f);
    while (in.hasNextLine()) {
        String line = in.nextLine();
        String[] tokens = line.split("\\s");
        // remove <> signs
        String entity1 = tokens[0].substring(1, tokens[0].length() - 1);
        setProperty(tokens[1]);/*from  www. j a v a 2 s . c  om*/
        String entity2 = tokens[2].substring(1, tokens[2].length() - 1);
        String[] row = new String[] { entity1, getProperty(), entity2 };
        rows.add(row);
    }
    in.close();
    return rows.toArray(new String[0][]);
}

---

From source file:azkaban.viewer.reportal.ReportalServlet.java

/**
 * Returns a list of file Objects that contain a "name" property with the file name,
 * a "content" property with the lines in the file, and a "hasMore" property if the
 * file contains more than NUM_PREVIEW_ROWS lines.
 * @param fileList/*from w ww .j  a v a  2s . c  o  m*/
 * @param locationFull
 * @param streamProvider
 * @return
 */
private List<Object> getFilePreviews(String[] fileList, String locationFull, IStreamProvider streamProvider) {
    List<Object> files = new ArrayList<Object>();
    InputStream csvInputStream = null;

    try {
        for (String fileName : fileList) {
            Map<String, Object> file = new HashMap<String, Object>();
            file.put("name", fileName);

            String filePath = locationFull + "/" + fileName;
            csvInputStream = streamProvider.getFileInputStream(filePath);
            Scanner rowScanner = new Scanner(csvInputStream);

            List<Object> lines = new ArrayList<Object>();
            int lineNumber = 0;
            while (rowScanner.hasNextLine() && lineNumber < ReportalMailCreator.NUM_PREVIEW_ROWS) {
                String csvLine = rowScanner.nextLine();
                String[] data = csvLine.split("\",\"");
                List<String> line = new ArrayList<String>();
                for (String item : data) {
                    String column = StringEscapeUtils.escapeHtml(item.replace("\"", ""));
                    line.add(column);
                }
                lines.add(line);
                lineNumber++;
            }

            file.put("content", lines);

            if (rowScanner.hasNextLine()) {
                file.put("hasMore", true);
            }

            files.add(file);
            rowScanner.close();
        }
    } catch (Exception e) {
        logger.debug("Error encountered while processing files in " + locationFull, e);
    } finally {
        IOUtils.closeQuietly(csvInputStream);
    }

    return files;
}

---

From source file:org.apache.oozie.action.hadoop.TestMapReduceActionExecutor.java

public void _testMapReduceWithUberJar() throws Exception {
    FileSystem fs = getFileSystem();

    Path inputDir = new Path(getFsTestCaseDir(), "input");
    Path outputDir = new Path(getFsTestCaseDir(), "output");

    Writer w = new OutputStreamWriter(fs.create(new Path(inputDir, "data.txt")));
    w.write("dummy\n");
    w.write("dummy\n");
    w.close();/*from www .j ava 2  s  . co  m*/

    String actionXml = "<map-reduce>" + "<job-tracker>" + getJobTrackerUri() + "</job-tracker>" + "<name-node>"
            + getNameNodeUri() + "</name-node>"
            + getMapReduceUberJarConfig(inputDir.toString(), outputDir.toString()).toXmlString(false)
            + "</map-reduce>";
    String jobID = _testSubmit("map-reduce", actionXml);

    boolean containsLib1Jar = false;
    String lib1JarStr = "jobcache/" + jobID + "/jars/lib/lib1.jar";
    Pattern lib1JarPatYarn = Pattern.compile(".*appcache/application_" + jobID.replaceFirst("job_", "")
            + "/filecache/.*/uber.jar/lib/lib1.jar.*");
    boolean containsLib2Jar = false;
    String lib2JarStr = "jobcache/" + jobID + "/jars/lib/lib1.jar";
    Pattern lib2JarPatYarn = Pattern.compile(".*appcache/application_" + jobID.replaceFirst("job_", "")
            + "/filecache/.*/uber.jar/lib/lib2.jar.*");

    FileStatus[] fstats = getFileSystem().listStatus(outputDir);
    for (FileStatus fstat : fstats) {
        Path p = fstat.getPath();
        if (getFileSystem().isFile(p) && p.getName().startsWith("part-")) {
            InputStream is = getFileSystem().open(p);
            Scanner sc = new Scanner(is);
            while (sc.hasNextLine()) {
                String line = sc.nextLine();
                containsLib1Jar = (containsLib1Jar || line.contains(lib1JarStr)
                        || lib1JarPatYarn.matcher(line).matches());
                containsLib2Jar = (containsLib2Jar || line.contains(lib2JarStr)
                        || lib2JarPatYarn.matcher(line).matches());
            }
            sc.close();
            is.close();
        }
    }

    assertTrue(
            "lib/lib1.jar should have been unzipped from the uber jar and added to the classpath but was not",
            containsLib1Jar);
    assertTrue(
            "lib/lib2.jar should have been unzipped from the uber jar and added to the classpath but was not",
            containsLib2Jar);
}

---

From source file:uk.ac.soton.itinnovation.sad.service.services.PluginsService.java

/**
 * Returns all plugins metadata directly from the file system.
 *
 * @return/*from w  w w  .ja  v  a  2 s.c o m*/
 */
public final JSONObject getLivePluginsInfo() {

    logger.debug("Returning plugins using property name: " + PLUGIN_PROPERTY_NAME);

    //        JSONObject pluginsRoot = propertiesService.getLiveProperties().getJSONObject(PLUGIN_PROPERTY_NAME);
    String pluginsPath = configurationService.getConfiguration().getPluginsPath();

    logger.debug("Plugins folder filepath from configuration: " + pluginsPath);

    File pluginsFolder = new File(pluginsPath);
    JSONObject result = new JSONObject();

    if (!pluginsFolder.isDirectory()) {
        throw new RuntimeException(
                "Plugins path does not exist or not a folder: " + pluginsFolder.getAbsolutePath());

    } else {
        File filenamesInPluginsFolder[] = pluginsFolder.listFiles();

        File tempFile, testConfig;
        Scanner scanner;
        StringBuilder fileContents;
        String pluginConfigAsString;
        for (int i = 0; i < filenamesInPluginsFolder.length; i++) {

            tempFile = filenamesInPluginsFolder[i];

            if (tempFile.isDirectory()) {
                logger.debug("Looking in: " + tempFile.getAbsolutePath());

                testConfig = new File(
                        tempFile.getAbsolutePath() + fileSeparator + PLUGIN_CONFIGURATION_FILE_NAME);

                if (!testConfig.exists()) {
                    logger.debug("Missing configuration file in: " + tempFile.getAbsolutePath());

                } else {
                    logger.debug("Looking for plugin configuration in: " + tempFile.getAbsolutePath());

                    pluginConfigAsString = "";
                    fileContents = new StringBuilder((int) testConfig.length());

                    try {

                        scanner = new Scanner(testConfig);

                        while (scanner.hasNextLine()) {
                            fileContents.append(scanner.nextLine());
                            fileContents.append(lineSeparator);
                        }

                        scanner.close();

                        pluginConfigAsString = fileContents.toString();

                    } catch (FileNotFoundException ex) {
                        throw new RuntimeException("Failed to read plugin configuration file", ex);
                    }

                    if (pluginConfigAsString.length() < 1) {
                        logger.error("No configuration found in: " + tempFile.getAbsolutePath());

                    } else {
                        logger.debug("Found plugin configuration: " + pluginConfigAsString);
                        JSONObject foundConfig = JSONObject.fromObject(pluginConfigAsString);

                        boolean addPluginToResult = true;
                        if (foundConfig.containsKey("enabled")) {
                            if (foundConfig.getString("enabled").equals("n")) {
                                addPluginToResult = false;
                            }
                        }

                        if (addPluginToResult) {
                            logger.debug("Adding pluginFolder to configuration: " + tempFile.getName());
                            foundConfig.put("pluginFolder", tempFile.getName());

                            String pluginName;
                            if (foundConfig.containsKey("name")) {
                                pluginName = foundConfig.getString("name");

                                logger.debug("Saving plugin configuration with name: " + pluginName);

                                result.put(pluginName, foundConfig);

                            } else {
                                pluginName = tempFile.getName();

                                logger.error("Plugin name not found in configuration! Saving with file name: "
                                        + pluginName);

                                result.put(pluginName, foundConfig);
                            }
                        } else {
                            logger.debug("Plugin disabled in configuration, skipping: "
                                    + foundConfig.getString("name"));
                        }
                    }
                }

            } else {
                logger.debug("Ignoring: " + tempFile.getAbsolutePath());

            }
        }

    }

    return result;
}

---

From source file:org.apache.accumulo.shell.Shell.java

public int start() throws IOException {
    String input;/*w w w . j  av a  2  s . co  m*/
    if (isVerbose())
        printInfo();

    String home = System.getProperty("HOME");
    if (home == null)
        home = System.getenv("HOME");
    String configDir = home + "/" + HISTORY_DIR_NAME;
    String historyPath = configDir + "/" + HISTORY_FILE_NAME;
    File accumuloDir = new File(configDir);
    if (!accumuloDir.exists() && !accumuloDir.mkdirs())
        log.warn("Unable to make directory for history at " + accumuloDir);
    try {
        final FileHistory history = new FileHistory(new File(historyPath));
        reader.setHistory(history);
        // Add shutdown hook to flush file history, per jline javadocs
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                try {
                    history.flush();
                } catch (IOException e) {
                    log.warn("Could not flush history to file.");
                }
            }
        });
    } catch (IOException e) {
        log.warn("Unable to load history file at " + historyPath);
    }

    // Turn Ctrl+C into Exception instead of JVM exit
    reader.setHandleUserInterrupt(true);

    ShellCompletor userCompletor = null;

    if (execFile != null) {
        java.util.Scanner scanner = new java.util.Scanner(execFile, UTF_8.name());
        try {
            while (scanner.hasNextLine() && !hasExited()) {
                execCommand(scanner.nextLine(), true, isVerbose());
            }
        } finally {
            scanner.close();
        }
    } else if (execCommand != null) {
        for (String command : execCommand.split("\n")) {
            execCommand(command, true, isVerbose());
        }
        return exitCode;
    }

    while (true) {
        try {
            if (hasExited())
                return exitCode;

            // If tab completion is true we need to reset
            if (tabCompletion) {
                if (userCompletor != null)
                    reader.removeCompleter(userCompletor);

                userCompletor = setupCompletion();
                reader.addCompleter(userCompletor);
            }

            reader.setPrompt(getDefaultPrompt());
            input = reader.readLine();
            if (input == null) {
                reader.println();
                return exitCode;
            } // User Canceled (Ctrl+D)

            execCommand(input, disableAuthTimeout, false);
        } catch (UserInterruptException uie) {
            // User Cancelled (Ctrl+C)
            reader.println();

            String partialLine = uie.getPartialLine();
            if (partialLine == null || "".equals(uie.getPartialLine().trim())) {
                // No content, actually exit
                return exitCode;
            }
        } finally {
            reader.flush();
        }
    }
}

---

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