Example usage for java.io PrintWriter flush

Introduction

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

Prototype

public void flush()

Source Link

Document

Flushes the stream.

Usage

From source file:Main.java

/**
 * Copied from "android.util.Log.getStackTraceString()" in order to avoid usage of Android stack
 * in unit tests.//from ww w.  j  av a  2s  . c o m
 *
 * @return Stack trace in form of String
 */
static String getStackTraceString(Throwable tr) {
    if (tr == null) {
        return "";
    }

    // This is to reduce the amount of log spew that apps do in the non-error
    // condition of the network being unavailable.
    Throwable t = tr;
    while (t != null) {
        if (t instanceof UnknownHostException) {
            return "";
        }
        t = t.getCause();
    }

    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    tr.printStackTrace(pw);
    pw.flush();
    return sw.toString();
}

From source file:Main.java

/**
 * <p>//from  w  ww.  j a va2 s  .  c o  m
 * Print the full stack trace of a <code>Throwable</code> object into a
 * string buffer and return the corresponding string.  
 * </p>
 */
public static String printStackTrace(Throwable t) {
    java.io.StringWriter strWriter = new java.io.StringWriter();
    java.io.PrintWriter prWriter = new java.io.PrintWriter(strWriter);
    t.printStackTrace(prWriter);
    prWriter.flush();
    return strWriter.toString();
}

From source file:Main.java

public static String getStackTrace(Throwable t) {
    StringWriter stringWritter = new StringWriter();
    PrintWriter printWritter = new PrintWriter(stringWritter, true);
    t.printStackTrace(printWritter);//from   w  w w . j  a va2 s.c  o m
    printWritter.flush();
    stringWritter.flush();
    return stringWritter.toString();
}

From source file:Main.java

public static Boolean writeToSDFile(String directory, String file_name, String text) {

    // Find the root of the external storage.
    // See/*from  w w w  .ja  v a2s.co m*/
    // http://developer.android.com/guide/topics/data/data-storage.html#filesExternal

    File root = Environment.getExternalStorageDirectory();

    // See
    // http://stackoverflow.com/questions/3551821/android-write-to-sd-card-folder

    File dir = new File(root.getAbsolutePath() + "/" + directory);
    dir.mkdirs();
    File file = new File(dir, file_name);

    try {
        FileOutputStream f = new FileOutputStream(file);
        PrintWriter pw = new PrintWriter(f);
        pw.println(text);
        pw.flush();
        pw.close();
        f.close();
        // Log.v(TAG, "file written to sd card");
        return true;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        // Log.i(TAG, "******* File not found. Did you" +
        // " add a WRITE_EXTERNAL_STORAGE permission to the manifest?");
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:com.jmu.util.ResponseJsonUtils.java

public static void writeJSON(PrintWriter wirter, AjaxResponse json) {
    wirter.print(JSON.toJSONString(json));
    wirter.flush();
    wirter.close();//from w w  w  .j a  v  a  2s.co m
}

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 .  ja v  a2 s . c o  m
        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:mobisocial.musubi.ui.util.FeedHTML.java

public static void writeFooter(FileOutputStream fo) {
    PrintWriter w = new PrintWriter(fo);
    w.print("</body>");
    w.print("</html>");
    w.flush();
}

From source file:com.abid_mujtaba.bitcoin.tracker.data.Data.java

public static void append(String line) throws DataException // Append line to data file.
{
    File file = data_file();/*from w ww  .  ja va 2 s. com*/

    try {
        FileOutputStream fos = new FileOutputStream(file, true); // We pass in true so that the text is appended
        PrintWriter pw = new PrintWriter(fos);
        pw.println(line);
        pw.flush();
        pw.close();
        fos.close();
    } catch (FileNotFoundException e) {
        throw new DataException("Error while writing to file.", e);
    } catch (IOException e) {
        throw new DataException("Error while writing to file.", e);
    }
}

From source file:Main.java

public static boolean appendFile(String strThrift, String filePath) {
    PrintWriter out = null;
    try {/*w w w  . j  a  va2s .com*/
        out = new PrintWriter(new BufferedWriter(new FileWriter(filePath, true)));
        out.println(strThrift);
        out.flush();
        out.close();
    } catch (IOException e) {
        return false;
    }
    return true;

}

From source file:com.talis.entity.TestUtils.java

public static void printQuads(Iterable<Quad> quads) {
    PrintWriter out = new PrintWriter(System.out);
    for (Quad quad : quads) {
        OutputLangUtils.output(out, quad, null, null);
    }//from w ww .j ava  2s.co m
    out.flush();
}