Example usage for java.io FileReader FileReader

Introduction

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

Prototype

public FileReader(FileDescriptor fd)

Source Link

Document

Creates a new FileReader , given the FileDescriptor to read, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:com.chargebee.MethodBank.MethodBank.java

public static CSVParser parserInitializer(String csvInput) throws IOException, Exception {
    CSVParser parser = new CSVParser(new FileReader(csvInput), CSVFormat.EXCEL);
    return parser;
}

From source file:au.edu.unsw.cse.soc.federatedcloud.community.driven.cloudbase.util.LinkedObjectModelFactory.java

public static JSONObject generateObjectFromFile(File file) throws IOException, ParseException {
    JSONParser parser = new JSONParser();

    JSONObject jsonObject = null;//  w w  w.j  av  a2 s .  c  o  m
    jsonObject = (JSONObject) parser.parse(new FileReader(file));
    return jsonObject;
}

From source file:Main.java

public static String fileContent(File file) throws IOException {
    String content = "";
    BufferedReader reader = new BufferedReader(new FileReader(file));
    String line;/*w  ww .j  ava 2 s .  c  o  m*/
    while ((line = reader.readLine()) != null) {
        content += line;
    }
    return content;
}

From source file:JSONUtil.java

/**
 * @param string//from ww  w  .  j  av  a 2  s  .c om
 * @return
 * @throws IOException
 * @throws JSONException
 */
public static JSONObject loadJson(String file) throws IOException, JSONException {
    File f = new File(file);
    FileReader fr = new FileReader(f);
    JSONTokener j = new JSONTokener(fr);
    JSONObject in = new JSONObject(j);
    fr.close();
    return in;
}

From source file:edu.caltech.ipac.firefly.server.util.DsvToDataGroup.java

public static DataGroup parse(File inf, CSVFormat format) throws IOException {

    BufferedReader reader = new BufferedReader(new FileReader(inf), IpacTableUtil.FILE_IO_BUFFER_SIZE);

    List<DataType> columns = new ArrayList<DataType>();
    CSVParser parser = new CSVParser(reader, format);
    List<CSVRecord> records = parser.getRecords();
    if (records != null && records.size() > 0) {

        // parse the column info
        CSVRecord cols = records.get(0);
        for (Iterator<String> itr = cols.iterator(); itr.hasNext();) {
            String s = itr.next();
            if (!StringUtils.isEmpty(s)) {
                columns.add(new DataType(s, null)); // unknown type
            }/*w  w  w  .  ja va 2s  . com*/
        }

        DataGroup dg = new DataGroup(null, columns);

        // parse the data
        for (int i = 1; i < records.size(); i++) {
            DataObject row = parseRow(dg, records.get(i));
            if (row != null) {
                dg.add(row);
            }
        }
        dg.shrinkToFitData();
        return dg;
    }
    return null;
}

From source file:at.ac.tuwien.dsg.cloudlyra.utils.IOUtils.java

public static String readData(String fileName) {

    String tomcatTempFolder = System.getProperty("java.io.tmpdir");
    //String tomcatTempFolder="/Volumes/DATA/BigData";
    fileName = tomcatTempFolder + "/" + fileName;
    String data = "";
    try {//  ww  w .ja  va2 s  .co  m
        BufferedReader br = new BufferedReader(new FileReader(fileName));
        StringBuilder sb = new StringBuilder();
        String line = br.readLine();

        while (line != null) {
            sb.append(line);
            sb.append(System.lineSeparator());
            line = br.readLine();
        }
        data = sb.toString();
        br.close();
    } catch (Exception e) {

    }
    return data;
}

From source file:importer.handler.post.stages.Splitter.java

/** test and commandline utility */
public static void main(String[] args) {
    if (args.length >= 1) {
        try {/* w ww.ja v  a2  s.  c  o  m*/
            int i = 0;
            int fileIndex = 0;
            // see if the user supplied a conf file
            String textConf = Discriminator.defaultConf;
            while (i < args.length) {
                if (args[i].equals("-c") && i < args.length - 1) {
                    textConf = readConfig(args[i + 1]);
                    i += 2;
                } else {
                    fileIndex = i;
                    i++;
                }
            }
            File f = new File(args[fileIndex]);
            char[] data = new char[(int) f.length()];
            FileReader fr = new FileReader(f);
            fr.read(data);
            JSONObject config = (JSONObject) JSONValue.parse(textConf);
            Splitter split = new Splitter(config);
            Map<String, String> map = split.split(new String(data));
            Set<String> keys = map.keySet();
            String rawFileName = args[fileIndex];
            int pos = rawFileName.lastIndexOf(".");
            if (pos != -1)
                rawFileName = rawFileName.substring(0, pos);
            Iterator<String> iter = keys.iterator();
            while (iter.hasNext()) {
                String key = iter.next();
                String fName = rawFileName + "-" + key + ".xml";
                File g = new File(fName);
                if (g.exists())
                    g.delete();
                FileOutputStream fos = new FileOutputStream(g);
                fos.write(map.get(key).getBytes("UTF-8"));
                fos.close();
            }
        } catch (Exception e) {
            e.printStackTrace(System.out);
        }
    } else
        System.out.println("usage: java -jar split.jar [-c json-config] <tei-xml>\n");
}

From source file:de.tudarmstadt.ukp.dkpro.argumentation.sequence.report.ConfusionMatrixTools.java

public static ConfusionMatrix tokenLevelPredictionsToConfusionMatrix(File predictionsFile) throws IOException {
    ConfusionMatrix cm = new ConfusionMatrix();

    CSVParser csvParser = new CSVParser(new FileReader(predictionsFile),
            CSVFormat.DEFAULT.withCommentMarker('#'));

    for (CSVRecord csvRecord : csvParser) {
        // update confusion matrix
        cm.increaseValue(csvRecord.get(0), csvRecord.get(1));
    }//from   ww w .j a v  a  2 s  . c o m

    return cm;
}

From source file:com.itbeyond.common.EOTrackMe.java

public static int getLogFileLines() {

    try {//from w  ww .j a  v a  2 s . c  o m
        BufferedReader br = new BufferedReader(new FileReader(getLogFile()), 8192);

        int lineCount = 0;
        while ((br.readLine()) != null) {
            lineCount++;
        }
        br.close();

        return lineCount;

    } catch (IOException e) {
    }
    return 0;
}