Example usage for java.io PrintWriter PrintWriter

Introduction

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

Prototype

public PrintWriter(File file) throws FileNotFoundException

Source Link

Document

Creates a new PrintWriter, without automatic line flushing, with the specified file.

Usage

From source file:Main.java

public static void writeToExternalFile(String data, String logTag, String fileName) {

    if (!isExternalStorageWritable()) {
        Log.e(logTag, "failed to find external storage");
    } else {/*from   w  w w  .  jav a2s. com*/
        File path = Environment.getExternalStorageDirectory();
        File dir = new File(path.getAbsolutePath() + "/SDNController");
        if (!dir.isDirectory()) {
            if (!dir.mkdirs()) {
                Log.e(logTag, "sdn directory can not be created");
                return;
            }
        }

        File file = new File(dir, fileName);
        try {
            FileOutputStream f = new FileOutputStream(file, true);
            PrintWriter pw = new PrintWriter(f);
            pw.println(data);
            pw.flush();
            pw.close();
            f.close();
        } catch (FileNotFoundException e) {
            Log.e(logTag, "can not find indicated file");
            e.printStackTrace();
        } catch (IOException e) {
            Log.e(logTag, "failed to write SDNController/result.txt");
            e.printStackTrace();
        }
    }
}

From source file:com.yolodata.tbana.testutils.FileTestUtils.java

public static boolean createFileWithContent(String filepath, String content) throws IOException {
    File f = new File(filepath);
    if (!f.createNewFile())
        return false;

    PrintWriter pw = new PrintWriter(f);
    pw.write(content);//from  ww  w .ja  va 2  s  .  c om
    pw.close();

    return true;
}

From source file:Utilitarios.Imprimir.java

public void imprimirGrafico(Image image) throws IOException {

    FileWriter arq = new FileWriter("D:\\Orcamentos\\Grafico.doc");//cria o arquivo
    PrintWriter gravarArq = new PrintWriter(arq);

    gravarArq.println("Oramento Banzos Instituto de Msica "); //linha de conteudo do txt
    gravarArq.println(" ");
    gravarArq.println(image);//from   www.  ja v a 2  s  .  c  o  m

    arq.close();

}

From source file:de.cgarbs.lib.json.JSONDataModel.java

/**
 * Converts the DataModel to JSON format and writes the JSON data to the
 * specified file.//from ww w .  jav  a 2  s  .c o  m
 *
 * @param model the DataModel to be converted to JSON
 * @param file the File to be written to
 * @throws DataException either IO errors or errors during the JSON conversion
 */
public static void writeToFile(final DataModel model, final File file) throws DataException {
    PrintWriter out = null;
    try {
        out = new PrintWriter(file);
        out.write(convertToJSON(model));
        out.close();
    } catch (FileNotFoundException e) {
        throw wrappedAsDataException(DataException.ERROR.IO_ERROR, e);
    } catch (JSONException e) {
        throw wrappedAsDataException(DataException.ERROR.JSON_CONVERSION_ERROR, e);
    } finally {
        if (out != null) {
            out.close();
        }
    }
    if (out.checkError()) {
        // FIXME: PrintWriter throws no IOExceptions?!  how to find out what happened?
        throw new DataException(DataException.ERROR.IO_ERROR, "error writing to file");
    }
}

From source file:mrdshinse.sql2xlsx.util.FileUtil.java

public static File create(File file, String str) {
    try (PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)))) {
        pw.print(str);/*from  www.ja va  2 s  . c o  m*/
    } catch (IOException ex) {
        return file;
    }
    return file;
}

From source file:com.sec.ose.osi.util.tools.FileOperator.java

public static boolean saveFile(String filePath, String contents) {

    File writeFile = new File(filePath);

    PrintWriter writer = null;// w w  w  .  j  a  va  2s  .  c om

    try {
        writer = new PrintWriter(new FileWriter(writeFile));
        writer.println(contents);

    } catch (IOException e) {
        // TODO Auto-generated catch block
        log.warn(e);
        return false;
    } finally {

        if (writer != null) {
            writer.flush();
            writer.close();
        }
        writer = null;
    }

    return true;
}

From source file:minij.codeemission.CodeEmitter.java

public static String emitCode(Configuration config, List<Fragment<List<Assem>>> assemFragments,
        MachineSpecifics machineSpecifics) throws CodeEmitterException {

    try {/*from  w w w . j  a v  a 2  s. c o  m*/
        String assembly = machineSpecifics.printAssembly(assemFragments);
        ;

        if (config.codeEmission) {
            new File(FilenameUtils.getPath(config.outputFile)).mkdirs();
            PrintWriter out = new PrintWriter(config.outputFile);
            out.print(assembly);
            out.close();
        }

        Logger.logVerbosely("Successfully generated assembly");

        if (config.printAssembly) {
            Logger.log(assembly);
        }

        return assembly;
    } catch (Exception e) {
        throw new CodeEmitterException("Failed to generate assembly", e);
    }
}

From source file:com.splunk.shuttl.testutil.TUtilsTestNG.java

private static String getStackTrace(Exception exception) {
    StringWriter stackTraceStringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stackTraceStringWriter);
    exception.printStackTrace(printWriter);
    printWriter.flush();/*  w ww.  j  av  a2 s.c om*/
    return stackTraceStringWriter.toString();
}

From source file:StringUtils.java

/**
 * Convert an exception to a String with full stack trace
 * @param ex the exception// w ww.j a  v a 2  s . c om
 * @return a String with the full stacktrace error text
 */
public static String getStringFromStackTrace(Throwable ex) {
    if (ex == null) {
        return "";
    }
    StringWriter str = new StringWriter();
    PrintWriter writer = new PrintWriter(str);
    try {
        ex.printStackTrace(writer);
        return str.getBuffer().toString();
    } finally {
        try {
            str.close();
            writer.close();
        } catch (IOException e) {
            //ignore
        }
    }
}

From source file:buspathcontroller.JSONFileParser.java

public void generateAllRoutes() {
    JSONParser parser = new JSONParser();
    try {//from  w  ww  .  jav  a2  s .  com
        PrintWriter writer = new PrintWriter("/Users/Zhaowei/Desktop/BusPath/allRoutes.txt");
        Object obj = parser.parse(new FileReader("/Users/Zhaowei/Desktop/BusPath/RawJSON/RouteList.json"));
        JSONObject jsonObject = (JSONObject) obj;
        JSONArray routes = (JSONArray) jsonObject.get("routes");
        Iterator iterator = routes.iterator();
        while (iterator.hasNext()) {
            JSONObject route = (JSONObject) ((JSONObject) iterator.next()).get("route");
            writer.println(route.get("name") + ";" + route.get("tag") + ";" + route.get("agency"));
        }
        writer.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}