Example usage for java.io FileWriter FileWriter

List of usage examples for java.io FileWriter FileWriter

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Introduction

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

Prototype

public FileWriter(FileDescriptor fd)

Source Link

Document

Constructs a FileWriter given a file descriptor, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:MainClass.java

public static void main(String[] args) throws Exception {

    ParserGetter kit = new ParserGetter();
    HTMLEditorKit.Parser parser = kit.getParser();

    URL u = new URL("http://www.java2s.com");
    InputStream in = u.openStream();
    InputStreamReader r = new InputStreamReader(in);
    String remoteFileName = u.getFile();
    if (remoteFileName.endsWith("/")) {
        remoteFileName += "index.html";
    }/*from   www .  j a v  a 2 s. c  o m*/
    if (remoteFileName.startsWith("/")) {
        remoteFileName = remoteFileName.substring(1);
    }
    File localDirectory = new File(u.getHost());
    while (remoteFileName.indexOf('/') > -1) {
        String part = remoteFileName.substring(0, remoteFileName.indexOf('/'));
        remoteFileName = remoteFileName.substring(remoteFileName.indexOf('/') + 1);
        localDirectory = new File(localDirectory, part);
    }
    if (localDirectory.mkdirs()) {
        File output = new File(localDirectory, remoteFileName);
        FileWriter out = new FileWriter(output);
        HTMLEditorKit.ParserCallback callback = new PageSaver(out, u);
        parser.parse(r, callback, false);
    }

}

From source file:id3Crawler.java

public static void main(String[] args) throws IOException {

    //Input for the directory to be searched.
    System.out.println("Please enter a directory: ");
    Scanner scanner = new Scanner(System.in);
    String input = scanner.nextLine();

    //Start a timer to calculate runtime
    startTime = System.currentTimeMillis();

    System.out.println("Starting scan...");

    //Files for output
    PrintWriter pw1 = new PrintWriter(new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/Song.txt"));
    PrintWriter pw2 = new PrintWriter(new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/Artist.txt"));
    PrintWriter pw3 = new PrintWriter(new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/Album.txt"));
    PrintWriter pw4 = new PrintWriter(
            new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/PerformedBy.txt"));
    PrintWriter pw5 = new PrintWriter(
            new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/TrackOf.txt"));
    PrintWriter pw6 = new PrintWriter(
            new FileWriter("C:/Users/gbob3_000/Desktop/id3CrawlerOutput/CreatedBy.txt"));

    //This is used for creating IDs for artists, songs, albums.
    int idCounter = 0;

    //This is used to prevent duplicate artists
    String previousArtist = " ";
    String currentArtist;/* w  ww  .  j a  v a 2  s  .c om*/
    int artistID = 0;

    //This is used to prevent duplicate albums
    String previousAlbum = " ";
    String currentAlbum;
    int albumID = 0;

    //This array holds valid extensions to iterate through
    String[] extensions = new String[] { "mp3" };

    //iterate through all files in a directory
    Iterator<File> it = FileUtils.iterateFiles(new File(input), extensions, true);
    while (it.hasNext()) {

        //open the next file
        File file = it.next();

        //instantiate an mp3file object with the opened file
        MP3 song = GetMP3(file);

        //pass the song through SongInfo and return the required information
        SongInfo info = new SongInfo(song);

        //This is used to prevent duplicate artists/albums
        currentArtist = info.getArtistInfo();
        currentAlbum = info.getAlbumInfo();

        //Append the song information to the end of a text file
        pw1.println(idCounter + "\t" + info.getTitleInfo());

        //This prevents duplicates of artists
        if (!(currentArtist.equals(previousArtist))) {
            pw2.println(idCounter + "\t" + info.getArtistInfo());
            previousArtist = currentArtist;
            artistID = idCounter;
        }

        //This prevents duplicates of albums
        if (!(currentAlbum.equals(previousAlbum))) {
            pw3.println(idCounter + "\t" + info.getAlbumInfo());
            previousAlbum = currentAlbum;
            albumID = idCounter;

            //This formats the IDs for a "CreatedBy" relationship table
            pw6.println(artistID + "\t" + albumID);
        }

        //This formats the IDs for a "PerformedBy" relationship table
        pw4.println(idCounter + "\t" + artistID);

        //This formats the IDs for a "TrackOf" relationship table
        pw5.println(idCounter + "\t" + albumID);

        idCounter++;
        songCounter++;

    }
    scanner.close();
    pw1.close();
    pw2.close();
    pw3.close();
    pw4.close();
    pw5.close();
    pw6.close();

    System.out.println("Scan took " + ((System.currentTimeMillis() - startTime) / 1000.0) + " seconds to scan "
            + songCounter + " items!");

}

From source file:featureExtractor.popularityMeasure.java

public static void main(String[] args) throws IOException {
    //ReadKnownPopularityScores();
    FileWriter fw = new FileWriter(Out_resultFile);
    BufferedWriter bw = new BufferedWriter(fw);

    FileReader inputFile = new FileReader(In_entities);
    BufferedReader bufferReader = new BufferedReader(inputFile);
    String line;//from  w ww .j  a v a  2s  .  c o m
    while ((line = bufferReader.readLine()) != null) {
        String[] row = line.split("\t");
        double score = 0;
        String entityName = row[0].toLowerCase().trim();
        System.out.println("Searching for : " + entityName);
        if (knownScore_table.containsKey(entityName)) {
            //System.out.println("Already known for: " + entityName);
            score = knownScore_table.get(entityName);
        } else {
            System.out.println("Not known for: " + entityName);
            String json = searchTest(entityName, "&scoring=entity");
            try {
                score = ParseJSON_getScore(json);
            } catch (Exception e) {
                score = 0;
            }
            System.out.println("Putting : " + entityName);
            knownScore_table.put(entityName, score);
        }
        bw.write(row[0] + "\t" + score + "\n");
        System.out.println(row[0]);
    }
    bw.close();
}

From source file:cc.redberry.core.performance.StableSort.java

/**
 * @param args the command line arguments
 *//* w w w.  j a v  a 2 s .  com*/
public static void main(String[] args) {
    try {

        //burn JVM
        BitsStreamGenerator bitsStreamGenerator = new Well19937c();

        for (int i = 0; i < 1000; ++i)
            nextArray(1000, bitsStreamGenerator);

        System.out.println("!");
        BufferedWriter timMeanOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/timMean.dat"));
        BufferedWriter insertionMeanOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/insertionMean.dat"));

        BufferedWriter timMaxOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/timMax.dat"));
        BufferedWriter insertionMaxOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/insertionMax.dat"));

        BufferedWriter timSigOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/timSig.dat"));
        BufferedWriter insertionSigOut = new BufferedWriter(
                new FileWriter("/home/stas/Projects/stableSort/insertionSig.dat"));

        DescriptiveStatistics timSort;
        DescriptiveStatistics insertionSort;

        int tryies = 200;
        int arrayLength = 0;
        for (; arrayLength < 1000; ++arrayLength) {

            int[] coSort = nextArray(arrayLength, bitsStreamGenerator);

            timSort = new DescriptiveStatistics();
            insertionSort = new DescriptiveStatistics();
            for (int i = 0; i < tryies; ++i) {
                int[] t1 = nextArray(arrayLength, bitsStreamGenerator);
                int[] t2 = t1.clone();

                long start = System.currentTimeMillis();
                ArraysUtils.timSort(t1, coSort);
                long stop = System.currentTimeMillis();
                timSort.addValue(stop - start);

                start = System.currentTimeMillis();
                ArraysUtils.insertionSort(t2, coSort);
                stop = System.currentTimeMillis();
                insertionSort.addValue(stop - start);
            }
            timMeanOut.write(arrayLength + "\t" + timSort.getMean() + "\n");
            insertionMeanOut.write(arrayLength + "\t" + insertionSort.getMean() + "\n");

            timMaxOut.write(arrayLength + "\t" + timSort.getMax() + "\n");
            insertionMaxOut.write(arrayLength + "\t" + insertionSort.getMax() + "\n");

            timSigOut.write(arrayLength + "\t" + timSort.getStandardDeviation() + "\n");
            insertionSigOut.write(arrayLength + "\t" + insertionSort.getStandardDeviation() + "\n");
        }
        timMeanOut.close();
        insertionMeanOut.close();
        timMaxOut.close();
        insertionMaxOut.close();
        timSigOut.close();
        insertionSigOut.close();
    } catch (IOException ex) {
        Logger.getLogger(StableSort.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:contractEditor.contractHOST4.java

public static void main(String[] args) {

    JSONObject obj = new JSONObject();
    obj.put("name", "HOST4");
    obj.put("context", "VM-deployment");

    //obj.put("Context", new Integer);

    HashMap serviceDescription = new HashMap();
    serviceDescription.put("location", "France");
    serviceDescription.put("certificate", "true");
    serviceDescription.put("volume", "100_GB");
    serviceDescription.put("price", "3_euro");

    obj.put("serviceDescription", serviceDescription);

    HashMap gauranteeTerm = new HashMap();
    gauranteeTerm.put("availability", "more_98_percentage");
    obj.put("gauranteeTerm", gauranteeTerm);

    //Constraint1

    ArrayList creationConstraint1 = new ArrayList();
    ArrayList totalConstraint = new ArrayList();
    totalConstraint.add(creationConstraint1);

    obj.put("creationConstraint", totalConstraint);

    try {/*from   w w  w .j a  v a2s.  c o m*/

        FileWriter file = new FileWriter("confSP" + File.separator + "Host4.json");
        file.write(obj.toJSONString());
        file.flush();
        file.close();

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

    System.out.print(obj);

    /*
            
    JSONParser parser = new JSONParser();
            
    try {
            
    Object obj2 = parser.parse(new FileReader("confSP\\confHost1.json"));
            
    JSONObject jsonObject = (JSONObject) obj2;
            
        HashMap serviceDescription2=(HashMap) jsonObject.get("serviceDescription");
                 
        method.printHashMap(serviceDescription2);
                
                
        HashMap gauranteeTerm2=(HashMap) jsonObject.get("gauranteeTerm");
                 
        method.printHashMap(gauranteeTerm2);
                
                
                
        ArrayList creationConstraint=(ArrayList) jsonObject.get("creationConstraint");
                
        method.printArrayList(creationConstraint);
            
            
    } catch (FileNotFoundException e) {
    e.printStackTrace();
    } catch (IOException e) {
    e.printStackTrace();
    } catch (ParseException e) {
    e.printStackTrace();
    }
            
            
            
            
            
    */

}

From source file:enrichment.Disambiguate.java

/**prerequisites:
 * cd silk_2.5.3/*_links/*from w  w w  .jav  a 2s .co  m*/
 * cat *.nt|sort  -t' ' -k3   > $filename
 * 
 * @param args $filename
 * @throws IOException
 * @throws URISyntaxException
 */
public static void main(String[] args) {
    File file = new File(args[0]);
    if (file.isDirectory()) {
        args = file.list(new OnlyExtFilenameFilter("nt"));
    }

    BufferedReader in;
    for (int q = 0; q < args.length; q++) {
        String filename = null;
        if (file.isDirectory()) {
            filename = file.getPath() + File.separator + args[q];
        } else {
            filename = args[q];
        }
        try {
            FileWriter output = new FileWriter(filename + "_disambiguated.nt");
            String prefix = "@prefix rdrel: <http://rdvocab.info/RDARelationshipsWEMI/> .\n"
                    + "@prefix dbpedia:    <http://de.dbpedia.org/resource/> .\n"
                    + "@prefix frbr:   <http://purl.org/vocab/frbr/core#> .\n"
                    + "@prefix lobid: <http://lobid.org/resource/> .\n"
                    + "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n"
                    + "@prefix foaf: <http://xmlns.com/foaf/0.1/> .\n"
                    + "@prefix mo: <http://purl.org/ontology/mo/> .\n"
                    + "@prefix wikipedia: <https://de.wikipedia.org/wiki/> .";
            output.append(prefix + "\n\n");
            in = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));

            HashMap<String, HashMap<String, ArrayList<String>>> hm = new HashMap<String, HashMap<String, ArrayList<String>>>();
            String s;
            HashMap<String, ArrayList<String>> hmLobid = new HashMap<String, ArrayList<String>>();
            Stack<String> old_object = new Stack<String>();

            while ((s = in.readLine()) != null) {
                String[] triples = s.split(" ");
                String object = triples[2].substring(1, triples[2].length() - 1);
                if (old_object.size() > 0 && !old_object.firstElement().equals(object)) {
                    hmLobid = new HashMap<String, ArrayList<String>>();
                    old_object = new Stack<String>();
                }
                old_object.push(object);
                String subject = triples[0].substring(1, triples[0].length() - 1);
                System.out.print("\nSubject=" + object);
                System.out.print("\ntriples[2]=" + triples[2]);
                hmLobid.put(subject, getAllCreators(new URI(subject)));
                hm.put(object, hmLobid);

            }
            // get all dbpedia resources
            for (String key_one : hm.keySet()) {
                System.out.print("\n==============\n==== " + key_one + "\n===============");
                int resources_cnt = hm.get(key_one).keySet().size();
                ArrayList<String>[] creators = new ArrayList[resources_cnt];
                HashMap<String, Integer> creators_backed = new HashMap<String, Integer>();
                int x = 0;
                // get all lobid_resources subsumed under the dbpedia resource
                for (String subject_uri : hm.get(key_one).keySet()) {
                    creators[x] = new ArrayList<String>();
                    System.out.print("\n     subject_uri=" + subject_uri);
                    Iterator<String> ite = hm.get(key_one).get(subject_uri).iterator();
                    int y = 0;
                    // get all creators of the lobid resource
                    while (ite.hasNext()) {
                        String creator = ite.next();
                        System.out.print("\n          " + creator);
                        if (creators_backed.containsKey(creator)) {
                            y = creators_backed.get(creator);
                        } else {
                            y = creators_backed.size();
                            creators_backed.put(creator, y);
                        }
                        while (creators[x].size() <= y) {
                            creators[x].add("-");
                        }
                        creators[x].set(y, creator);
                        y++;
                    }
                    x++;
                }
                if (creators_backed.size() == 1) {
                    System.out
                            .println("\n" + "Every resource pointing to " + key_one + " has the same creator!");
                    for (String key_two : hm.get(key_one).keySet()) {
                        output.append("<" + key_two + "> rdrel:workManifested <" + key_one + "> .\n");
                        output.append("<" + key_two + ">  mo:wikipedia <"
                                + key_one.replaceAll("dbpedia\\.org/resource", "wikipedia\\.org/wiki")
                                + "> .\n");
                    }
                } /*else  {
                    for (int a = 0; a < creators.length; a++) {
                       System.out.print(creators[a].toString()+",");
                    }
                  }*/
            }

            output.flush();
            if (output != null) {
                output.close();
            }
        } catch (Exception e) {
            System.out.print("Exception while working on " + filename + ": \n");
            e.printStackTrace(System.out);
        }
    }
}

From source file:fr.inria.zenith.randomWalk.RandomWalkTsG.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException//from w  ww  . j  a v a 2 s  .c  o m
 */
public static void main(String[] args) throws IOException, Exception {

    if (args.length < 2) {
        System.err.println("Usage: randomWalkTimeSeriesGenerator <FileName> <TimeSeriesNbr> <TimeSeriesSize>");
        System.exit(1);
    }

    CSVWriter writer = new CSVWriter(new FileWriter(args[0] + "_" + args[1] + "_" + args[2] + ".csv"),
            CSVWriter.DEFAULT_SEPARATOR, CSVWriter.NO_QUOTE_CHARACTER);

    for (int i = 1; i < Integer.parseInt(args[1]) + 2; i++) {
        String[] ts = randomWalk(Integer.parseInt(args[2]) + 1);
        ts[0] = Integer.toString(i);
        writer.writeNext(ts);
        writer.flushQuietly();
    }
    writer.close();
}

From source file:Copy.java

public static void main(String[] args) throws IOException {
    File inputFile = new File("farrago.txt");
    File outputFile = new File("outagain.txt");

    FileReader in = new FileReader(inputFile);
    FileWriter out = new FileWriter(outputFile);
    int c;/*from   w  w  w  .  j  a  v a  2s. c  om*/

    while ((c = in.read()) != -1)
        out.write(c);

    in.close();
    out.close();
}

From source file:CopyCharacters.java

public static void main(String[] args) throws IOException {
    FileReader inputStream = null;
    FileWriter outputStream = null;

    try {//from   w ww. ja v  a 2s .co m
        inputStream = new FileReader("xanadu.txt");
        outputStream = new FileWriter("characteroutput.txt");

        int c;
        while ((c = inputStream.read()) != -1) {
            outputStream.write(c);
        }
    } finally {
        if (inputStream != null) {
            inputStream.close();
        }
        if (outputStream != null) {
            outputStream.close();
        }
    }
}

From source file:fm.last.peyote.cacti.PeyoteCactiLauncher.java

public static void main(String[] args) throws JAXBException, IOException {
    if (args.length < 2 || args.length > 3) {
        printUsage();//from  w  w  w  .j  a  v  a2 s.  c  om
    }
    String name = args[0];
    String url = args[1];
    ConfigurableApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring/peyote.xml");
    applicationContext.registerShutdownHook();
    try {
        InputData inputData = createInputData(args, applicationContext, name, url);
        PeyoteMarshaller marshaller = applicationContext.getBean(PeyoteMarshaller.class);
        marshaller.setInputData(inputData);
        log.info("Starting Peyote");
        File file = new File("datatemplate.xml");
        Writer outWriter = new FileWriter(file);
        marshaller.generateCactiDataTemplate(outWriter);
        outWriter.close();
        log.info("generated data template for '" + name + "' in " + file.getAbsolutePath());

        // file = new File("graphtemplate.xml");
        // outWriter = new FileWriter(file);
        // marshaller.generateCactiGraphTemplate(outWriter);
        // outWriter.close();
        // log.info("generated data template for '" + name + "' in " +
        // file.getAbsolutePath());

        log.info("Peyote finished.");
    } finally {
        applicationContext.close();
    }
}