Example usage for java.io FileWriter FileWriter

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:edu.berkeley.compbio.ncbitaxonomy.Exporter.java

public static void main(String[] argv) {
    try {/*from   www .j a  v  a2 s .  co  m*/
        ApplicationContext ctx = NcbiTaxonomyDbContextFactory.makeNcbiTaxonomyDbContext();
        NcbiTaxonomyPhylogeny ncbi = (NcbiTaxonomyPhylogeny) ctx.getBean("ncbiTaxonomyPhylogeny");

        FileWriter treeWriter = new FileWriter("tree.newick");
        ncbi.toNewick(treeWriter, "", "", 0, 0);
        treeWriter.close();

        FileWriter synonymWriter = new FileWriter("synonyms");
        ncbi.writeSynonyms(synonymWriter);
        synonymWriter.close();

        for (String rank : ranks) {
            FileWriter rankWriter = new FileWriter(rank);
            Set<Integer> ids = ncbi.getTaxIdsWithRank(rank);
            for (Integer id : ids) {
                rankWriter.append(id.toString()).append("\n");
            }
            rankWriter.close();
        }
    } catch (Throwable e) {
        e.printStackTrace();
    }
}

From source file:Transform2.java

public static void main(String[] args) throws Exception {
    SAXBuilder builder = new SAXBuilder();
    Document document = builder.build(new File("r.xml"));
    Transformer transformer = TransformerFactory.newInstance().newTransformer(new StreamSource("program.xsl"));
    JDOMResult out = new JDOMResult();
    transformer.transform(new JDOMSource(document), out);
    XMLOutputter xmlOutputter = new XMLOutputter();
    xmlOutputter.output(out.getDocument(), new FileWriter("JDOMAlteredRichard.html"));
}

From source file:com.mysql.servlet.NewClass.java

public static void main(String[] args) {

    JSONObject headerFile = new JSONObject();

    JSONArray listOfAttrs = new JSONArray();
    listOfAttrs.add("id" + "");
    listOfAttrs.add("name" + "");
    listOfAttrs.add("age" + "");
    listOfAttrs.add("salary" + "");
    listOfAttrs.add("grade" + "");

    headerFile.put("Employee", listOfAttrs);

    try {/*  www . j  a  va 2s .  c om*/

        // Writing to a file  
        File file = new File("D:\\Employees.json");
        file.createNewFile();
        FileWriter fileWriter = new FileWriter(file);
        System.out.println("Writing JSON object to file");
        System.out.println("-----------------------");
        System.out.print(headerFile);

        fileWriter.write(headerFile.toJSONString());
        fileWriter.flush();
        fileWriter.close();

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

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String pageAddr = "http://www.google.com/index.htm";
    URL url = new URL(pageAddr);
    String websiteAddress = url.getHost();

    String file = url.getFile();/*from  w w w .jav a 2s.c  o  m*/
    Socket clientSocket = new Socket(websiteAddress, 80);

    BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));

    OutputStreamWriter outWriter = new OutputStreamWriter(clientSocket.getOutputStream());
    outWriter.write("GET " + file + " HTTP/1.0\r\n\n");
    outWriter.flush();
    BufferedWriter out = new BufferedWriter(new FileWriter(file));
    boolean more = true;
    String input;
    while (more) {
        input = inFromServer.readLine();
        if (input == null)
            more = false;
        else {
            out.write(input);
        }
    }
    out.close();
    clientSocket.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
    System.out.println(stdin.readLine());
    BufferedReader in = new BufferedReader(new FileReader("Main.java"));
    String s, s2 = new String();
    while ((s = in.readLine()) != null)
        s2 += s + "\n";
    in.close();/*from   w  ww .j  a v  a 2s . co m*/
    StringReader in1 = new StringReader(s2);
    int c;
    while ((c = in1.read()) != -1)
        System.out.print((char) c);
    BufferedReader in2 = new BufferedReader(new StringReader(s2));
    PrintWriter out1 = new PrintWriter(new BufferedWriter(new FileWriter("IODemo.out")));
    int lineCount = 1;
    while ((s = in2.readLine()) != null)
        out1.println(lineCount++ + ": " + s);
    out1.close();
}

From source file:LogTest.java

public static void main(String[] args) throws IOException {
    String inputfile = args[0];/*  w  w  w.j  a v a 2s .  c om*/
    String outputfile = args[1];

    Map<String, Integer> map = new TreeMap<String, Integer>();

    Scanner scanner = new Scanner(new File(inputfile));
    while (scanner.hasNext()) {
        String word = scanner.next();
        Integer count = map.get(word);
        count = (count == null ? 1 : count + 1);
        map.put(word, count);
    }
    scanner.close();

    List<String> keys = new ArrayList<String>(map.keySet());
    Collections.sort(keys);

    PrintWriter out = new PrintWriter(new FileWriter(outputfile));
    for (String key : keys)
        out.println(key + " : " + map.get(key));
    out.close();
}

From source file:Main.java

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

    File xml = new File("yourFile.xml");

    Document doc = (Document) new SAXBuilder().build(xml);
    Element rootNode = doc.getRootElement();
    List list = rootNode.getChildren("staff");
    XMLOutputter xmlOut = new XMLOutputter();

    for (int i = 0; i < list.size(); i++) {

        Element node = (Element) list.get(i);
        if (node.getChildText("firstname").equals("sanjay"))
            node.getChild("salary").getChild("basic").setText("250000");
        xmlOut.setFormat(Format.getPrettyFormat());
        xmlOut.output(doc, new FileWriter("yourFile.xml"));
    }//from  w w w .j  a v a  2s .  co  m
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement();

    st.executeUpdate("create table survey (Id int, b CLOB);");

    PreparedStatement pstmt = conn.prepareStatement("INSERT INTO survey VALUES(1,?)");

    File file = new File("c:/Java_Dev/data.txt");

    FileReader reader = new FileReader(file);
    pstmt.setCharacterStream(1, reader);

    pstmt.execute();//from www .j  a  v  a2 s .com

    ResultSet resultSet = pstmt.executeQuery("select b from survey ");

    File data = new File("C:\\a.txt");
    Reader dataReader = resultSet.getCharacterStream(1);
    FileWriter writer = new FileWriter(data);
    char[] buffer = new char[1];
    while (dataReader.read(buffer) > 0) {
        writer.write(buffer);
    }
    writer.close();

    reader.close();
    st.close();
    conn.close();
}

From source file:jsonpractice.Jsonpractice.java

public static void main(String[] args) throws IOException {
    JSONObject countryObj = new JSONObject();
    countryObj.put("Name", "India");
    countryObj.put("Population", 1000000);

    JSONArray listOfStates = new JSONArray();
    listOfStates.add("Madhya Pradesh");
    listOfStates.add("Maharastra");
    listOfStates.add("Tamil Nadu");

    countryObj.put("States", listOfStates);

    try {/*from   ww w. java  2 s . c om*/
        File file = new File("C:\\Users\\user\\Documents\\CountryJSONFile.json");
        file.createNewFile();
        try (FileWriter fileWriter = new FileWriter(file)) {
            System.out.println("Writing JSON OBJECT to file");
            System.out.println("-----------------------------");
            System.out.println(countryObj);

            fileWriter.write(countryObj.toJSONString());
            fileWriter.flush();
        } catch (IOException e) {
        }

    } catch (IOException e) {
    }
}

From source file:json.WriteToFile.java

public static void main(String[] args) {
    JSONObject countryObj = new JSONObject();
    countryObj.put("Name", "Kenya");
    countryObj.put("Population", new Integer(430000000));
    JSONArray listOfCounties = new JSONArray();
    listOfCounties.add("Nairobi");
    listOfCounties.add("Kiambu");
    listOfCounties.add("Murang'a");

    countryObj.put("Counties", listOfCounties);
    try {//from   ww  w .j a va  2 s . c  om
        //writing to file
        File file = new File("/home/mars/Desktop/JsonExample1.json");
        file.createNewFile();
        FileWriter fw = new FileWriter(file);
        System.out.println("Writing JSON object to file");
        System.out.println("---------------------------");
        System.out.println(countryObj);

        fw.write(countryObj + "");
        fw.flush();
        fw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}