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:Main.java

public static File saveText(String text) throws IOException {
    File f;/*  w ww .  ja  v a2 s  .  c o  m*/
    String filename;
    if (!isExternalStorageWritable())
        throw new IOException("Storage not available");
    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    filename = dateFormat.format(new Date());

    f = new File(getAlbumStorageDir(FOLDER_NAME), "Message " + filename + ".txt");
    FileWriter fw = new FileWriter(f);
    fw.write(text);
    fw.close();
    return f;
}

From source file:Main.java

/**
 * Create a script file to run one command
 * @param cmmd Command for the script to run
 * @param fileName The file name/*  www  .ja v  a2  s  . c om*/
 * @return The file
 * @throws IOException
 */
public static File createScriptFile(String cmmd, String fileName) throws IOException {
    String f = fileName == null ? "script_" + System.currentTimeMillis() : fileName;
    FileWriter w = new FileWriter(f);
    w.write(cmmd + "\n");
    w.close();
    File file = new File(f);
    file.setExecutable(true, false);
    return file;
}

From source file:Main.java

/**
 * Writes all characters from a <tt>Reader</tt> to a file using the default
 * character encoding./*from  www  . j  a va2s  . co m*/
 *
 * @param reader The <tt>Reader</tt> containing the data to write to the
 * file.
 * @param file The file to write the data to.
 * @return The total number of characters written.
 * @throws IOException If an I/O error occured while trying to write the
 * data to the file.
 * @see java.io.FileWriter
 */
public static final long writeToFile(Reader reader, File file) throws IOException {
    FileWriter writer = new FileWriter(file);

    try {
        return transfer(reader, writer);
    } finally {
        writer.close();
    }
}

From source file:Main.java

public static synchronized boolean update(String sourceXML, Document doc) {
    try {//from   ww w .  j  ava2s.  c o m
        Transformer tf = TransformerFactory.newInstance().newTransformer();
        tf.setOutputProperty(OutputKeys.ENCODING, ENCODING);
        tf.setOutputProperty(OutputKeys.INDENT, INDENT);
        Writer out = new FileWriter(new File(sourceXML));
        tf.transform(new DOMSource(doc), new StreamResult(out));
        return true;
    } catch (TransformerException | IOException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:Main.java

public static void writeTextFile(String[] text, String filename) throws IOException {
    BufferedWriter writer = new BufferedWriter(new FileWriter(filename));
    for (int i = 0; i < text.length; i++) {
        writer.write(text[i]);//  ww  w  .  j  av a 2 s  .  c o  m
        writer.newLine();
    }
    writer.close();
}

From source file:Main.java

public static void delete(String filename, int startline, int numlines) {
    try {/*from ww w  .j  a  v a 2  s  . c o m*/
        BufferedReader br = new BufferedReader(new FileReader(filename));

        //String buffer to store contents of the file
        StringBuffer sb = new StringBuffer("");

        //Keep track of the line number
        int linenumber = 1;
        String line;

        while ((line = br.readLine()) != null) {
            //Store each valid line in the string buffer
            if (linenumber < startline || linenumber >= startline + numlines)
                sb.append(line + "\n");
            linenumber++;

        }

        if (startline + numlines > linenumber)
            System.out.println("End of file reached.");
        br.close();

        FileWriter fw = new FileWriter(new File(filename));
        //Write entire string buffer into the file
        fw.write(sb.toString());
        fw.close();
    } catch (Exception e) {
        System.out.println("Something went horribly wrong: " + e.getMessage());
    }
}

From source file:Main.java

public static void indentXmlFile(File file) throws SAXException, IOException, ParserConfigurationException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);//w w w.j  a v  a2 s.c  om
    DocumentBuilder documentBuilder = dbf.newDocumentBuilder();
    Document doc = documentBuilder.parse(file);
    OutputFormat format = new OutputFormat(doc);
    format.setLineWidth(80);
    format.setIndenting(true);
    format.setIndent(4);
    XMLSerializer serializer = new XMLSerializer(new FileWriter(file), format);
    serializer.serialize(doc);
}

From source file:Main.java

public static void writeToFile(Iterator<?> iter, File file) throws IOException {
    if (iter != null && file != null) {
        file.getParentFile().mkdirs();/*from   w  w  w  . j  ava  2s  .com*/
        File tempFile = new File(file.getAbsolutePath() + ".tmp");
        FileWriter fw = new FileWriter(tempFile);
        for (; iter.hasNext();) {
            fw.write(new StringBuilder(iter.next().toString()).append("\r\n").toString());
        }
        fw.flush();
        fw.close();
        file.delete();
        tempFile.renameTo(file);
    }
}

From source file:Main.java

public static void startLogger(String file) {
    if (writer != null) {
        stopLogger();/*  ww w . j  ava 2  s .  co m*/
    }
    try {
        writer = new PrintWriter(new FileWriter(file));
    } catch (Exception e) {
        e.printStackTrace();
        if (writer != null) {
            writer.close();
        }
    }
}

From source file:WriteFile.java

private static PrintWriter openWriter(String name) {
    try {/*  ww  w.  j  a  v a2  s  . c  om*/
        File file = new File(name);
        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(file)), true);
        return out;
    } catch (IOException e) {
        System.out.println("I/O Error");
        System.exit(0);
    }
    return null;
}