Example usage for java.io PrintWriter close

Introduction

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

Prototype

public void close()

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:modnlp.capte.AlignerUtils.java

public static void convertLineEndings(String inputfile, String outputfile) {
    /* This is a quick hackaround to convert the line endings from
     *  Windows files into Unix line endings so that the sentence splitter will work
     *  Seems to work, but hasn't been extensively tested.
     */// ww  w  .  ja v a  2  s  .  co m
    try {
        File input = new File(inputfile);
        File output = new File(outputfile);
        BufferedReader bb = new BufferedReader(new InputStreamReader(new FileInputStream(inputfile), "UTF8"));
        PrintWriter bv = new PrintWriter(new OutputStreamWriter(new FileOutputStream(outputfile), "UTF8"));
        String l = "";
        while (bb.ready()) {
            l = bb.readLine();
            bv.write(l + "\n");
        }

        bb.close();
        bv.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:de.tudarmstadt.ukp.experiments.argumentation.convincingness.sampling.Step4MTurkOutputCollector.java

/**
 * Creates .success files for updating HITs in order to require more assignments.
 *
 * @param assignmentsPerHits actual assignments per HIT
 * @param hitTypeID          type/*from   w  w  w.j  av a 2  s  .c o m*/
 * @param resultFile         source MTurk file
 * @throws IOException IO exception
 */

static void prepareUpdateHITsFiles(Map<String, Integer> assignmentsPerHits, String hitTypeID, File resultFile)
        throws IOException {
    TreeSet<Integer> assignmentNumbers = new TreeSet<>(assignmentsPerHits.values());

    System.out.println(assignmentsPerHits);

    // how many is required to be fully annotated
    final int fullyAnnotated = 5;

    assignmentNumbers.remove(fullyAnnotated);

    for (Integer i : assignmentNumbers) {
        // output file
        int annotationsRequired = fullyAnnotated - i;
        File file = new File(resultFile + "_requires_extra_assignments_" + annotationsRequired + ".success");
        PrintWriter pw = new PrintWriter(file, "utf-8");
        pw.println("hitid\thittypeid");

        for (Map.Entry<String, Integer> entry : assignmentsPerHits.entrySet()) {
            if (i.equals(entry.getValue())) {
                pw.println(entry.getKey() + "\t" + hitTypeID);
            }
        }

        pw.close();

        System.out.println(
                "Extra annotations required (" + annotationsRequired + "), saved to " + file.getAbsolutePath());
    }
}

From source file:com.threecrickets.sincerity.util.IoUtil.java

/**
 * Writes JVM primitives and collection/map instances to a JSON UTF-8 file.
 * //from   www.j  a v a 2  s.co m
 * @param file
 *        The file
 * @param object
 *        The object (JVM primitives and collection instances)
 * @param expand
 *        Whether to expand the JSON with newlines, indents, and spaces
 * @throws IOException
 *         In case of an I/O error
 */
public static void writeJson(File file, Object object, boolean expand) throws IOException {
    String content = Json.to(object, expand).toString();
    FileOutputStream stream = new FileOutputStream(file);
    PrintWriter writer = new PrintWriter(
            new BufferedWriter(new OutputStreamWriter(stream, StandardCharsets.UTF_8), BUFFER_SIZE));
    try {
        writer.write(content);
    } finally {
        writer.close();
    }
}

From source file:com.nary.Debug.java

public static String getStackTraceAsString(Throwable t) {
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    t.printStackTrace(pw);//from  ww w  .j  ava 2s  .co m
    pw.close();
    return sw.toString();
}

From source file:PostTest.java

/**
 * Makes a POST request and returns the server response.
 * @param urlString the URL to post to/*  w w  w. j  a  v  a  2  s  . c  om*/
 * @param nameValuePairs a map of name/value pairs to supply in the request.
 * @return the server reply (either from the input stream or the error stream)
 */
public static String doPost(String urlString, Map<String, String> nameValuePairs) throws IOException {
    URL url = new URL(urlString);
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    PrintWriter out = new PrintWriter(connection.getOutputStream());

    boolean first = true;
    for (Map.Entry<String, String> pair : nameValuePairs.entrySet()) {
        if (first)
            first = false;
        else
            out.print('&');
        String name = pair.getKey();
        String value = pair.getValue();
        out.print(name);
        out.print('=');
        out.print(URLEncoder.encode(value, "UTF-8"));
    }

    out.close();

    Scanner in;
    StringBuilder response = new StringBuilder();
    try {
        in = new Scanner(connection.getInputStream());
    } catch (IOException e) {
        if (!(connection instanceof HttpURLConnection))
            throw e;
        InputStream err = ((HttpURLConnection) connection).getErrorStream();
        if (err == null)
            throw e;
        in = new Scanner(err);
    }

    while (in.hasNextLine()) {
        response.append(in.nextLine());
        response.append("\n");
    }

    in.close();
    return response.toString();
}

From source file:io.github.data4all.util.upload.ChangesetUtil.java

/**
 * Parses all objects from the database into an xml structure to create a
 * new Changeset.//ww  w.j a v a 2s  .c  o m
 * 
 * @param context
 *            The application context for the {@link DataBaseHandler}.
 * @param changesetId
 *            The Changeset ID from the OSM API.
 * @return The created Changeset.
 * @throws OsmException
 *             Indicates an failure in an osm progess.
 */
public static String getChangesetXml(Context context, int changesetId) throws OsmException {
    final DataBaseHandler db = new DataBaseHandler(context);
    final List<DataElement> elems = db.getAllDataElements();
    db.close();

    final StringBuilder builder = new StringBuilder();

    final PrintWriter writer = new PrintWriter(new OutputStream() {
        @Override
        public void write(int oneByte) throws IOException {
            builder.append((char) oneByte);
        }
    });

    OsmChangeParser.parseElements(elems, changesetId, writer);
    writer.close();
    return builder.toString();
}

From source file:org.fcrepo.test.api.TestHTTPStatusCodes.java

private static void writeStringToFile(String string, File file) throws Exception {
    FileOutputStream out = new FileOutputStream(file);
    PrintWriter writer = new PrintWriter(new OutputStreamWriter(out));
    try {//from w w w .j ava  2s.co m
        writer.print(string);
    } finally {
        writer.close();
    }
}

From source file:Main.java

public static String post(String url, Map<String, String> params) {
    try {/*from w  ww.  j  a va  2s  .  co  m*/
        URL u = new URL(url);
        HttpURLConnection connection = (HttpURLConnection) u.openConnection();
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        PrintWriter pw = new PrintWriter(connection.getOutputStream());
        StringBuilder sbParams = new StringBuilder();
        if (params != null) {
            for (String key : params.keySet()) {
                sbParams.append(key + "=" + params.get(key) + "&");
            }
        }
        if (sbParams.length() > 0) {
            String strParams = sbParams.substring(0, sbParams.length() - 1);
            Log.e("cat", "strParams:" + strParams);
            pw.write(strParams);
            pw.flush();
            pw.close();
        }
        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuffer response = new StringBuffer();
        String readLine = "";
        while ((readLine = br.readLine()) != null) {
            response.append(readLine);
        }
        br.close();
        return response.toString();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:controller.file.FileUploader.java

public static void fileDownloader(HttpServletRequest request, HttpServletResponse response) {
    PrintWriter out = null;
    try {//  ww  w  .  j  a  va  2 s  . c o  m
        String filename = "foo.xml";
        String filepath = "/tmp/";
        out = response.getWriter();
        response.setContentType("APPLICATION/OCTET-STREAM");
        response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + "\"");
        java.io.FileInputStream fileInputStream = new java.io.FileInputStream(filepath + filename);
        int i;
        while ((i = fileInputStream.read()) != -1) {
            out.write(i);
        }
        fileInputStream.close();
        out.close();
    } catch (IOException ex) {
        Logger.getLogger(FileUploader.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
        out.close();
    }
}

From source file:cn.vlabs.umt.ui.servlet.AddClientServlet.java

public static void writeJSONObject(HttpServletResponse response, Object object) {
    PrintWriter writer = null;
    try {//from  w  w  w  . jav a2 s  .co m
        //IE???text/html?
        response.setContentType("text/html");
        writer = response.getWriter();
        writer.write(object.toString());
    } catch (IOException e) {
    } finally {
        if (writer != null) {
            writer.flush();
            writer.close();
        }
    }
}