Example usage for java.io FileReader close

Introduction

In this page you can find the example usage for java.io FileReader close.

Prototype

public void close() throws IOException 

Source Link

Usage

From source file:cerrla.Performance.java

/**
 * Reads a raw numerical performance file and stores the values as
 * accessible private values.//from   w  w  w  .  j av  a  2  s  . c  o  m
 * 
 * @param perfFile
 *            The performance file to read.
 * @return True if the file was read successfully, false otherwise.
 */
public static boolean readRawPerformanceFile(File perfFile, boolean byEpisode) throws Exception {
    if (Config.getInstance().getGeneratorFile() == null) {
        // First, read the last line of the normal file for the time
        RandomAccessFile raf = new RandomAccessFile(perfFile, "r");
        long pos = perfFile.length() - 1;
        StringBuffer line = new StringBuffer();
        char c;
        boolean foundIt = false;
        do {
            raf.seek(pos);
            c = (char) raf.read();
            foundIt |= Character.isDigit(c);
            line.append(c);
            pos--;
        } while (!foundIt || Character.isDigit(c) || c == ':');
        raf.close();
        String time = line.reverse().toString().trim();
        String[] timeSplit = time.split(":");
        runTime_ = (Long.parseLong(timeSplit[2]) + 60 * Long.parseLong(timeSplit[1])
                + 3600 * Long.parseLong(timeSplit[0])) * 1000;
    }

    if (Config.getInstance().getGeneratorFile() == null)
        perfFile = new File(perfFile.getPath() + "raw");
    else
        perfFile = new File(perfFile.getPath() + "greedy");
    performanceMap_ = new TreeMap<Integer, Float[]>();
    FileReader reader = new FileReader(perfFile);
    BufferedReader buf = new BufferedReader(reader);

    // For every value within the performance file
    String input = null;
    Float[] prevPerfs = null;
    while ((input = buf.readLine()) != null) {
        String[] vals = input.split("\t");
        if (vals[PerformanceDetails.EPISODE.ordinal()].equals("Episode"))
            continue;

        Float[] perfs = new Float[PerformanceDetails.values().length];
        int episode = 0;
        for (PerformanceDetails detail : PerformanceDetails.values()) {
            if (vals.length > detail.ordinal()) {
                if (!vals[detail.ordinal()].equals("null"))
                    perfs[detail.ordinal()] = Float.parseFloat(vals[detail.ordinal()]);
                else if (detail.equals(PerformanceDetails.ELITEMEAN)
                        && !vals[PerformanceDetails.ELITEMAX.ordinal()].equals("null"))
                    perfs[detail.ordinal()] = Float.parseFloat(vals[PerformanceDetails.ELITEMAX.ordinal()]);
                else if (detail.equals(PerformanceDetails.ELITEMEAN)
                        || detail.equals(PerformanceDetails.ELITEMAX))
                    perfs[detail.ordinal()] = Float.parseFloat(vals[PerformanceDetails.MEAN.ordinal()]);
                else if (prevPerfs != null)
                    perfs[detail.ordinal()] = prevPerfs[detail.ordinal()];
            }

            if (detail.equals(PerformanceDetails.EPISODE))
                episode = perfs[detail.ordinal()].intValue();
        }

        performanceMap_.put(episode, perfs);
        prevPerfs = perfs;
    }

    buf.close();
    reader.close();

    return true;
}

---

From source file:org.apache.hadoop.mapred.util.LinuxResourceCalculatorPlugin.java

/**
 * Read /proc/stat file, parse and calculate cumulative CPU
 *//* w w  w  .ja  v a  2s.c  o  m*/
private void readProcStatFile() {
    // Read "/proc/stat" file
    BufferedReader in = null;
    FileReader fReader = null;
    try {
        fReader = new FileReader(procfsStatFile);
        in = new BufferedReader(fReader);
    } catch (FileNotFoundException f) {
        // shouldn't happen....
        return;
    }

    Matcher mat = null;
    try {
        String str = in.readLine();
        while (str != null) {
            mat = CPU_TIME_FORMAT.matcher(str);
            if (mat.find()) {
                long uTime = Long.parseLong(mat.group(1));
                long nTime = Long.parseLong(mat.group(2));
                long sTime = Long.parseLong(mat.group(3));
                cumulativeCpuTime = uTime + nTime + sTime; // milliseconds
                break;
            }
            str = in.readLine();
        }
        cumulativeCpuTime *= jiffyLengthInMillis;
    } catch (IOException io) {
        //  LOG.warn("Error reading the stream " + io);
    } finally {
        // Close the streams
        try {
            fReader.close();
            try {
                in.close();
            } catch (IOException i) {
                LOG.warn("Error closing the stream " + in);
            }
        } catch (IOException i) {
            LOG.warn("Error closing the stream " + fReader);
        }
    }
}

---

From source file:com.github.hexosse.memworth.WorthBuilder.java

/**
 * Parse the csv file/*from  ww  w  .j a  va 2s.  c  o  m*/
 *
 * @return WorthBuilder
 */
public WorthBuilder parse() {
    try {
        // Free list of items
        items.clear();

        // Load csv file into file reader
        FileReader reader = new FileReader(csvFile);

        // parse csv file using specified file format
        for (CSVRecord record : csvFormat.parse(reader)) {
            // Skip empty lines
            if (record.get(0).isEmpty())
                continue;
            // Skip title
            if (record.get(0).equals("ID"))
                continue;
            // Skip item without price
            if (record.get(3).isEmpty())
                continue;
            if (record.get(4).isEmpty())
                continue;

            // Create Item
            String[] idData = record.get(0).replaceAll("[^0-9]", " ").trim().split(" ");
            int id = Integer.parseInt(idData[0]);
            int data = Integer.parseInt(idData.length > 1 ? idData[1] : "0");
            String comment = record.get(1);
            String sworth = record.get(4).trim().replaceAll(" ", "")
                    .replaceAll("^[^a-zA-Z0-9\\s]+|[^a-zA-Z0-9\\s]+$", "");
            Number worth = numFormat.parse(sworth);

            // Add Item to list
            if (worth.doubleValue() != 0)
                items.add(new Item(id, data, comment, worth.doubleValue()));
        }

        // Close csv file
        reader.close();

        // Sort the item list
        Collections.sort(items);

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ParseException e) {
        e.printStackTrace();
    }

    return this;
}

---

From source file:com.oneis.javascript.Runtime.java

/**
 * Load a script into the runtime//  www .  j  a v  a 2  s  .com
 */
public void loadScript(String scriptPathname, String givenFilename, String prefix, String suffix)
        throws java.io.IOException {
    checkContext();
    FileReader script = new FileReader(scriptPathname);
    try {
        if (prefix != null || suffix != null) {
            // TODO: Is it worth loading JS files with prefix+suffix using a fancy Reader which concatenates other readers?
            StringBuilder builder = new StringBuilder();
            if (prefix != null) {
                builder.append(prefix);
            }
            builder.append(IOUtils.toString(script));
            if (suffix != null) {
                builder.append(suffix);
            }
            currentContext.evaluateString(runtimeScope, builder.toString(), givenFilename, 1,
                    null /* no security domain */);
        } else {
            currentContext.evaluateReader(runtimeScope, script, givenFilename, 1,
                    null /* no security domain */);
        }
    } finally {
        script.close();
    }
}

---

From source file:com.wavemaker.tools.data.ImportDB.java

private void setValuesFromRevEngFilesIfNotSet() {
    if (this.packageName != null) {
        return;// ww  w .  j a  va2 s .c  o m
    }

    boolean packageSet = false;
    boolean tableFilterSet = false;
    boolean schemaFilterSet = false;

    for (File f : this.revengFiles) {
        try {
            FileReader reader = new FileReader(f);
            Reveng r = Reveng.load(reader);
            if (r.getPackage() != null && !packageSet) {
                setPackage(r.getPackage());
                this.valuesFromReveng = true;
                packageSet = true;
            }
            if (r.getTableFilters() != null && !tableFilterSet) {
                setTableFilters(r.getTableFilters());
                this.valuesFromReveng = true;
                tableFilterSet = true;
            }
            if (r.getSchemaFilters() != null && !schemaFilterSet) {
                setSchemaFilters(r.getSchemaFilters());
                this.valuesFromReveng = true;
                schemaFilterSet = true;
            }
            reader.close();
        } catch (IOException ignore) {
        }
    }
}

---

From source file:com.knowgate.dfs.FileSystem.java

/**
 * <p>Read a text file and returns a character array with it</p>
 * Enconding is UTF-8 by default// w  w  w . j  av  a2 s  .  c  o m
 * @param sFilePath Full path of file to be readed. Like "file:///tmp/myfile.txt" or "ftp://myhost:21/dir/myfile.txt"
 * @return character array with full contents of file
 * @throws FileNotFoundException
 * @throws IOException
 * @throws OutOfMemoryError
 * @throws FTPException
 */
public static char[] readfile(String sFilePath)
        throws FileNotFoundException, IOException, OutOfMemoryError, FTPException {

    if (DebugFile.trace) {
        DebugFile.writeln("Begin FileSystem.readfile(" + sFilePath + ")");
        DebugFile.incIdent();
    }

    char[] aBuffer;
    String sLower = sFilePath.toLowerCase();

    if (sLower.startsWith("file://"))
        sFilePath = sFilePath.substring(7);

    if (sLower.startsWith("http://") || sLower.startsWith("https://") || sLower.startsWith("ftp://")) {
        aBuffer = new FileSystem().readfilestr(sFilePath, "UTF-8").toCharArray();
    } else {
        File oFile = new File(sFilePath);

        aBuffer = new char[(int) oFile.length()];

        FileReader oReader = new FileReader(oFile);

        oReader.read(aBuffer);

        oReader.close();

        oReader = null;
        oFile = null;
    }

    if (DebugFile.trace) {
        DebugFile.decIdent();
        DebugFile.writeln("End FileSystem.readfile() : " + String.valueOf(aBuffer.length));
    }

    return aBuffer;
}

---

From source file:mtmo.test.mediadrm.MainActivity.java

private boolean readPropFromFile() {
    boolean ret = false;
    FileReader fr = null;
    BufferedReader br = null;/*from  w w w  . j  a  v  a 2s. com*/
    try {
        fr = new FileReader(Constants.PROPERTY_FILE_PATH);
        br = new BufferedReader(fr);

        String line;
        for (int i = 0; (line = br.readLine()) != null; i++) {
            switch (i) {
            case 0:
                mServiceId = line;
                break;
            case 1:
                mAccountId = line;
                break;
            default:
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (br != null)
                br.close();
            if (fr != null)
                fr.close();
            ret = true;
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return ret;
}

---

From source file:gov.nasa.jpl.xdata.nba.impoexpo.manager.NBAManager.java

@Override
public void aquire(String parseType, Object input) {

    try {/*from ww w  .  ja v a2s . c  om*/
        // Read given JSON file
        LOG.info("Parsing file:" + input);
        FileReader reader = new FileReader((String) input);

        // Pare with JSON simple parser
        JSONParser jsonParser = new JSONParser();
        JSONObject jsonObject = (JSONObject) jsonParser.parse(reader);

        JSONArray result = (JSONArray) jsonObject.get("resultSets");
        JSONObject jObj = (JSONObject) result.get(0);
        JSONArray rows = (JSONArray) jObj.get("rowset");

        String[] inputlist = input.toString().split("/");
        String filename = inputlist[inputlist.length - 1];
        String gameId = filename.substring(0, filename.indexOf('_'));

        if (parseType.equalsIgnoreCase("parseComments")) {
            long comments = 0;
            LOG.info("finished parsing file. Total number of comments:" + comments);
        } else if (parseType.equalsIgnoreCase("parseGamePlayers")) {
            long players = 0;
            for (int i = 0; i < rows.size(); i++) {
                // Store the gamePlayers with key id == gameId_playerId
                GamePlayer gpGamePlayer = parseGamePlayer(gameId, (JSONArray) rows.get(i));
                storeGamePlayers(gpGamePlayer.getId(), gpGamePlayer);
                ++players;
            }
            reader.close();
            LOG.info("finished parsing file. Total number of players:" + players);
        } else if (parseType.equalsIgnoreCase("parseGamestats")) {
            long stats = 0;
            LOG.info("finished parsing file. Total number of game stats:" + stats);
        } else if (parseType.equalsIgnoreCase("parseNotebook")) {
            long notebook = 0;
            LOG.info("finished parsing file. Total number of game stats:" + notebook);
        } else if (parseType.equalsIgnoreCase("parsePlayByPlay")) {
            long plays = 0;
            LOG.info("finished parsing file. Total number of game stats:" + plays);
        } else if (parseType.equalsIgnoreCase("parsePreview")) {
            long preview = 0;
            LOG.info("finished parsing file. Total number of game stats:" + preview);
        } else if (parseType.equalsIgnoreCase("parseRecap")) {
            long recaps = 0;
            LOG.info("finished parsing file. Total number of game stats:" + recaps);
        }
    } catch (FileNotFoundException ex) {
        ex.printStackTrace();
    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (ParseException ex) {
        ex.printStackTrace();
    } catch (NullPointerException ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.freedomotic.plugins.TrackingReadFile.java

/**
 * Reads room names from file./*from   w w  w.  ja va  2s .com*/
 * 
 * @param f file of room names
 */
private void readMoteFileRooms(File f) {
    FileReader fr = null;
    ArrayList<Coordinate> coord = new ArrayList<Coordinate>();
    String userId = FilenameUtils.removeExtension(f.getName());

    try {
        LOG.info("Reading coordinates from file {}", f.getAbsolutePath());
        fr = new FileReader(f);
        BufferedReader br = new BufferedReader(fr);
        String line;
        while ((line = br.readLine()) != null) {
            //tokenize string
            StringTokenizer st = new StringTokenizer(line, ",");
            String roomName = st.nextToken();
            LOG.info("Mote {} coordinate added {}", userId, line);
            ZoneLogic zone = environmentRepository.findAll().get(0).getZone(roomName);
            if (!(zone == null)) {
                FreedomPoint roomCenterCoordinate = getPolygonCenter(zone.getPojo().getShape());
                Coordinate c = new Coordinate();
                c.setUserId(userId);
                c.setX(roomCenterCoordinate.getX());
                c.setY(roomCenterCoordinate.getY());
                c.setTime(new Integer(st.nextToken()));
                coord.add(c);
            } else {
                LOG.warn("Room '{}' not found.", roomName);
            }
        }
        fr.close();
        WorkerThread wt = new WorkerThread(this, coord, ITERATIONS);
        workers.add(wt);
    } catch (FileNotFoundException ex) {
        LOG.error("Coordinates file not found for mote " + userId);
    } catch (IOException ex) {
        LOG.error("IOException: ", ex);
    } finally {
        try {
            fr.close();
        } catch (IOException ex) {
            LOG.error("IOException: ", ex);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »