Example usage for java.io BufferedWriter BufferedWriter

Introduction

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

Prototype

public BufferedWriter(Writer out) 

Source Link

Document

Creates a buffered character-output stream that uses a default-sized output buffer.

Usage

From source file:com.galenframework.tests.utils.GalenUtilsTest.java

@Test
public void shouldReadRelativePath() throws Exception {
    File baseDir = new File(System.getProperty("java.io.tmpdir"));
    File tempDir = new File(baseDir, "galen_test");
    tempDir.mkdir();//  w  ww. j  ava  2  s  .  c o m
    File testFile1 = new File(tempDir, "testFile.txt");
    BufferedWriter output = new BufferedWriter(new FileWriter(testFile1));
    output.write("");
    output.close();
    File testFile2 = new File(baseDir, "testFile2.txt");
    BufferedWriter output2 = new BufferedWriter(new FileWriter(testFile2));
    output2.write("");
    output2.close();
    InputStream fileStream1 = GalenUtils.findFileOrResourceAsStream(testFile1.getAbsolutePath());
    assertThat(fileStream1, notNullValue());
    InputStream fileStream2 = GalenUtils.findFileOrResourceAsStream(
            tempDir.toString() + File.separator + ".." + File.separator + "testFile2.txt");
    assertThat(fileStream2, notNullValue());
    FileUtils.deleteQuietly(tempDir);
    FileUtils.deleteQuietly(testFile2);
}

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From source file:CSVWriter.java

/**
 * Writes a table model to csv formatted file
 * // w ww.j a  v  a 2  s  .  c om
 * @param file
 *            file to create
 * @param model
 *            model to write
 * @throws IOException
 */
public void write(File file, CSVTableModel model, char separator) throws IOException {
    /* create file */
    FileWriter fw = new FileWriter(file);
    BufferedWriter bw = new BufferedWriter(fw);

    String value;

    /* write columns */
    if (model.areColumnsVisible()) {
        for (int column = 0; column < model.getColumnCount(); column++) {
            value = encodeValue(model.getColumnName(column), separator);
            bw.write(value);
            if (column < model.getColumnCount() - 1) {
                bw.write(separator);
            } else {
                bw.newLine();
            }
        }
    }

    /* write data */
    for (int row = 0; row < model.getRowCount(); row++) {
        for (int column = 0; column < model.getColumnCount(); column++) {
            value = encodeValue(model.getValueAt(row, column), separator);
            bw.write(value);
            if (column < model.getColumnCount() - 1) {
                bw.write(separator);
            } else {
                bw.newLine();
            }
        }
    }

    /* close file */
    bw.close();
}

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From source file:de.huberlin.wbi.hiway.common.Worker.java

protected static void writeEntryToLog(JsonReportEntry entry) throws IOException {
    try (BufferedWriter writer = new BufferedWriter(
            new FileWriter(new File(Invocation.REPORT_FILENAME), true))) {
        writer.write(entry.toString() + "\n");
    }//from www.  jav  a 2 s  .com
}

---

From source file:com.machinelinking.converter.ScriptableConverterTest.java

@Test
public void testConvert() throws IOException, ConverterException, ScriptableFactoryException {
    final String script = IOUtils
            .toString(this.getClass().getResourceAsStream("scriptable-converter-test1.py"));
    final ScriptableConverter converter = ScriptableConverterFactory.getInstance().createConverter(script);
    final ByteArrayOutputStream serializerBAOS = new ByteArrayOutputStream();
    final JSONSerializer serializer = new JSONSerializer(serializerBAOS);
    final ByteArrayOutputStream writerBAOS = new ByteArrayOutputStream();
    final Writer writer = new BufferedWriter(new OutputStreamWriter(writerBAOS));
    converter.convertData(JSONUtils//from  w w w.j  a  v a2s  .  c  o  m
            .parseJSONAsMap("{\"@type\":\"reference\",\"label\":\"List of Nobel laureates in Physics\","
                    + "\"content\":{\"@an0\":\"1921\"}}"),
            serializer, writer);
    serializer.close();
    writer.close();
    Assert.assertEquals(serializerBAOS.toString(), "{\"link\":\"List of Nobel laureates in Physics 1921\"}");
    Assert.assertEquals(writerBAOS.toString(), "<a href=\"List of Nobel laureates in Physics\">1921</a>");
}

---

From source file:fileoperations.FileOperations.java

public static boolean writeObjectToFile(Object ObjectToWrite, String fileToWrite) {
    loggerObj.log(Level.INFO, "inside writeObjectToFile method");
    BufferedWriter bw = null;//from ww w  .j a va  2s  .  c o m
    loggerObj.log(Level.INFO, "File to write the object is:" + fileToWrite);
    File file = new File(fileToWrite);

    try {
        if (!file.exists()) {
            file.createNewFile();
            loggerObj.log(Level.INFO,
                    "File did not exist before: so created new one with the name: " + fileToWrite);
        }
        FileWriter fw = new FileWriter(file, true);
        bw = new BufferedWriter(fw);
        bw.write(ObjectToWrite.toString());

    } catch (IOException ex) {

        loggerObj.log(Level.SEVERE,
                "Error in writing to the file:" + fileToWrite + "\n Exception is " + ex.toString());
        return false;
    } catch (Exception ex) {
        loggerObj.log(Level.SEVERE,
                "Error in writing to the file:" + fileToWrite + "\n Exception is " + ex.toString());
        return false;
    } finally {
        try {
            if (bw != null) {
                bw.close();
            }
        } catch (IOException ex) {
            loggerObj.log(Level.SEVERE, "Error in closing the file:" + fileToWrite + " after reading");
            return false;
        }

    }
    loggerObj.log(Level.INFO, "Successfully written the object to: " + fileToWrite);
    return true;
}

---

From source file:Main.java

public static void exportXmlFile(ArrayList<?> listObject, String rootElement, String interfaceName,
        String pathSaveFile) {//from  w  ww .j av  a2s.c o  m
    try {
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = builderFactory.newDocumentBuilder();
        // creating a new instance of a DOM to build a DOM tree.
        Document doc = docBuilder.newDocument();

        Element root = doc.createElement(rootElement);
        // adding a node after the last child node of the specified node.
        doc.appendChild(root);

        Element interfaceElement = null;

        Element child = null;
        Text text;

        for (Object obj : listObject) {
            Class srcClass = obj.getClass();
            Field[] field = srcClass.getFields();
            interfaceElement = doc.createElement(interfaceName);
            for (int i = 0; i < field.length; i++) {
                // System.out.println(field[i].getName() + ":" +
                // field[i].get(obj));
                child = doc.createElement(field[i].getName());

                text = doc.createTextNode((field[i].get(obj)).toString());
                child.appendChild(text);

                interfaceElement.appendChild(child);
            }
            root.appendChild(interfaceElement);
        }

        // TransformerFactory instance is used to create Transformer
        // objects.
        TransformerFactory factory = TransformerFactory.newInstance();
        Transformer transformer = factory.newTransformer();

        transformer.setOutputProperty(OutputKeys.INDENT, "yes");

        // create string from xml tree
        StringWriter sw = new StringWriter();
        StreamResult result = new StreamResult(sw);
        DOMSource source = new DOMSource(doc);
        transformer.transform(source, result);
        String xmlString = sw.toString();

        File file = new File(pathSaveFile);
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
        bw.write(xmlString);
        bw.flush();
        bw.close();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

From source file:edu.isi.bmkeg.uimaBioC.elasticSearch.UimaBioCAppConfiguration.java

void urlToTextFile(URL url, File f) throws IOException {
    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f, true)));
    BufferedReader in2 = new BufferedReader(new InputStreamReader(url.openStream()));
    String inputLine2;/*  w  w w  .  ja  v a2 s. c o m*/
    while ((inputLine2 = in2.readLine()) != null)
        out.println(inputLine2);
    in2.close();
    out.close();
}

---

From source file:edu.iu.kmeans.regroupallgather.KMUtil.java

/**
 * Generate centroids and upload to the cDir
 * //from w w  w.j  a va 2s  .  com
 * @param numCentroids
 * @param vectorSize
 * @param configuration
 * @param random
 * @param cenDir
 * @param fs
 * @throws IOException
 */
static void generateCentroids(int numCentroids, int vectorSize, Configuration configuration, Path cenDir,
        FileSystem fs) throws IOException {
    Random random = new Random();
    double[] data = null;
    if (fs.exists(cenDir))
        fs.delete(cenDir, true);
    if (!fs.mkdirs(cenDir)) {
        throw new IOException("Mkdirs failed to create " + cenDir.toString());
    }
    data = new double[numCentroids * vectorSize];
    for (int i = 0; i < data.length; i++) {
        // data[i] = 1000;
        data[i] = random.nextDouble() * 1000;
    }
    Path initClustersFile = new Path(cenDir, Constants.CENTROID_FILE_NAME);
    System.out.println("Generate centroid data." + initClustersFile.toString());
    FSDataOutputStream out = fs.create(initClustersFile, true);
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));
    for (int i = 0; i < data.length; i++) {
        if ((i % vectorSize) == (vectorSize - 1)) {
            bw.write(data[i] + "");
            bw.newLine();
        } else {
            bw.write(data[i] + " ");
        }
    }
    bw.flush();
    bw.close();
    System.out.println("Wrote centroids data to file");
}

---

From source file:fr.calamus.common.tools.AbstractTxtFileAccess.java

/**
 * Prepares the file for writing; if the file exists, deletes it before.
 * @return/*from   w  ww  .  j  av a  2  s  .co m*/
 * @throws IOException
 */
protected BufferedWriter prepareBufferedWriter() throws IOException {
    File f = getFile();
    if (!f.getParentFile().exists())
        f.getParentFile().mkdirs();
    if (f.exists()) {
        f.delete();
        //log.debug("prepareBufferedWriter : " + f.getAbsolutePath() + " deleted");
    }
    f.createNewFile();
    //log.debug("prepareBufferedWriter : " + f.getAbsolutePath() + " created");
    BufferedWriter bw = new BufferedWriter(
            new OutputStreamWriter(new FileOutputStream(f), Charset.forName(charset)));
    return bw;
}

---

From source file:org.jnap.core.assets.HandlebarsAssetsHandler.java

@Override
public void handle() {
    final Handlebars handlebars = new Handlebars();
    try {//from   w  ww .j  a v  a  2  s.c  o m
        Resource[] resources = this.resourceResolver.getResources(source);
        Resource destRes = new ServletContextResource(servletContext, destination);
        resetResource(destRes);
        BufferedWriter writer = new BufferedWriter(
                new FileWriterWithEncoding(destRes.getFile(), this.encoding, true));

        writer.write("(function() {");
        writer.write(IOUtils.LINE_SEPARATOR);
        writer.write("var template = Handlebars.template, ");
        writer.write("templates = Handlebars.templates = Handlebars.templates || {};");
        writer.write(IOUtils.LINE_SEPARATOR);
        final Set<String> templateNames = new TreeSet<String>();
        for (Resource resource : resources) {
            Template template = handlebars
                    .compile(StringUtils.trimToEmpty(IOUtils.toString(resource.getInputStream())));
            final String templateName = FilenameUtils.getBaseName(resource.getFilename());
            templateNames.add(templateName);
            writer.write("templates[\"" + templateName + "\"] = ");
            writer.write("template(");
            writer.write(template.toJavaScript());
            writer.write(");");
            writer.write(IOUtils.LINE_SEPARATOR);
        }

        writer.write(IOUtils.LINE_SEPARATOR);
        if (this.bindToBackboneView) {
            writer.write("$(function() {");
            writer.write(IOUtils.LINE_SEPARATOR);
            for (String templateName : templateNames) {
                writer.write(format("if (window[\"{0}\"]) {0}.prototype.template " + "= templates[\"{0}\"];",
                        templateName));
                writer.write(IOUtils.LINE_SEPARATOR);
            }
            writer.write("});");
            writer.write(IOUtils.LINE_SEPARATOR);
        }

        writer.write("})();");
        IOUtils.closeQuietly(writer);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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