Example usage for java.io PrintWriter checkError

Introduction

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

Prototype

public boolean checkError() 

Source Link

Document

Flushes the stream if it's not closed and checks its error state.

Usage

From source file:Main.java

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

    PrintWriter pw = new PrintWriter(new FileWriter("logfile.txt", true));
    timeStamp("File opened", pw);
    pw.close();// ww w  . java 2s .  c om
    if (pw.checkError())
        System.out.println("I/O error occurred.");
}

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From source file:Main.java

public static void main(String[] args) {
    String s = "tutorial from java2s.com ";

    PrintWriter pw = new PrintWriter(System.out);

    // append the sequence
    pw.append(s);//  w  w  w . j  a  v  a2 s  .  c  om

    // check if there is an error and flush
    System.out.println("" + pw.checkError());

}

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From source file:Main.java

public static void outputData(short[] data, PrintWriter writer) {
    for (int i = 0; i < data.length; i++) {
        writer.println(String.valueOf(data[i]));
    }/*from   w  ww .j  a  v  a  2s.  c  o m*/
    if (writer.checkError()) {
        Log.w(TAG, "Error writing sensor event data");
    }
}

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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   w  ww . jav  a2 s .com
 *
 * @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");
    }
}

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From source file:org.owasp.jbrofuzz.fuzz.io.Save.java

/**
 * <p>Method for writing a ".jbrofuzz" file, given the file, the URL
 * the Request string, the Fuzzers, as well as any specified
 * transforms.</p>// w  w w  . j  a  v a  2  s  .  c  o  m
 * 
 * @param The file to which data will be written to.
 * @param The URL string, as specified in the fuzzing tab.
 * @param The request string, as specified in the fuzzing tab.
 * @param The fuzzers, specified in consecutive CSV type lines:
 * e.g.  
 * <code>
 * 045-A85-RFC,5,10
 * 034-B02-BIN,118,128
 * </code>
 * @param The transforms, specified also in consecutive CSV type lines:
 * e.g.
 * <code>
 * URL UTF-8,111,222
 * SHA-1 Hash,FED,THI
 * </code>
 */
public static void writeFile(final File outputFile, final String url, final String request,
        final String fuzzers, final String transforms) {

    try {

        final PrintWriter out = new PrintWriter(outputFile);
        // Write the file
        out.println("[JBroFuzz]");
        out.println(JBroFuzzFormat.VERSION);
        out.println("[Fuzzing]");
        out.println(JBroFuzzFormat.DATE);
        out.println("[Comment]");
        out.println("_");
        out.println("[URL]");
        out.println(url);
        out.println("[Request]");
        out.println(request);
        out.println("[Fuzzers]");
        out.println(fuzzers);
        out.println("[Transforms]");
        out.println(transforms);
        out.println("[End]");

        if (out.checkError()) {
            Logger.log("Errors occured while saving", 4);
        }

        out.close();

    } catch (final FileNotFoundException e) {

        Logger.log("File Could Not Be Found To Save", 4);

    } catch (final SecurityException e) {

        Logger.log("A Security Exception Occured While Saving", 4);

    }

}

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From source file:eu.brokeratcloud.rest.gui.AdminFacingComponent.java

public static boolean writeFile(String fileName, String content) throws java.io.IOException {
    PrintWriter pw = new PrintWriter(new java.io.FileWriter(fileName, false)); // No append
    try {//from w  w w  . ja va2s .c  o m
        pw.print(content);
        if (pw.checkError()) {
            logger.error("An error occured while openning or writing output file: " + fileName);
            return false;
        }
    } finally {
        pw.close();
        if (pw.checkError()) {
            logger.error("An error occured while closing output file: " + fileName);
            return false;
        }
    }
    return true;
}

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From source file:org.codice.alliance.nsili.mockserver.server.MockNsili.java

private ORB getOrbForServer(int port)
        throws InvalidName, AdapterInactive, WrongPolicy, ServantNotActive, IOException {

    System.setProperty("org.omg.CORBA.ORBInitialPort", String.valueOf(port));

    final ORB orb = ORB.init(new String[0], null);

    System.clearProperty("org.omg.CORBA.ORBInitialPort");

    POA rootPOA = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
    rootPOA.the_POAManager().activate();

    org.omg.CORBA.Object objref = rootPOA.servant_to_reference(new LibraryImpl(rootPOA));

    //set ior.txt for http web server
    iorString = orb.object_to_string(objref);

    //set ior.txt for ftp web server
    File ftpIorFile = new File(ftpHomeDirectoryPath + "/data/ior.txt");

    File ftpDataDirectory = new File(ftpHomeDirectoryPath + "/data");
    ftpDataDirectory.mkdirs();//from  w  w w .j a  v a 2s .  co  m

    ftpIorFile.createNewFile();

    PrintWriter printWriter = new PrintWriter(new FileWriter(ftpIorFile.getPath()));
    printWriter.print(orb.object_to_string(objref));

    if (printWriter.checkError()) {
        System.out.println("ERROR: Unable to write ior string to ftp server temporary file");
    }

    printWriter.close();

    return orb;
}

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From source file:com.izforge.izpack.installer.multiunpacker.MultiVolumeFileUnpackerTest.java

/**
 * Creates a new source file./*from www .j  ava2s .co  m*/
 *
 * @param baseDir the base directory
 * @return the source file
 * @throws java.io.IOException for any I/O error
 */
@Override
protected File createSourceFile(File baseDir) throws IOException {
    File source = new File(baseDir, "source.txt");
    PrintWriter stream = new PrintWriter(source);
    for (int i = 0; i < 20000; ++i) {
        stream.println(i);
    }
    assertFalse(stream.checkError());
    stream.close();

    volume = new File(temporaryFolder.getRoot(), "volume");
    FileSpanningOutputStream out = new FileSpanningOutputStream(volume, 8192);
    FileInputStream in = new FileInputStream(source);
    IOUtils.copy(in, out);

    // verify there is more than one volume
    out.close();
    volumeCount = out.getVolumes();
    assertTrue(volumeCount > 1);
    in.close();
    return source;
}

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From source file:org.kalypso.model.wspm.tuhh.core.profile.export.AbstractCsvWriter.java

public final void export(final IProfileFeature[] profiles, final File file, final IProgressMonitor monitor)
        throws CoreException {
    PrintWriter writer = null;
    try {//from w  w w  .  j a v  a 2 s . c o m
        writer = new PrintWriter(file);
        write(profiles, writer, monitor);
        writer.flush();
        writer.close();

        if (writer.checkError())
            throw new IOException();
    } catch (final IOException e) {
        final String message = String.format(Messages.getString("CsvSink_1")); //$NON-NLS-1$
        final IStatus status = new Status(IStatus.ERROR, KalypsoModelWspmCorePlugin.getID(), message, e);
        throw new CoreException(status);
    } finally {
        IOUtils.closeQuietly(writer);
        monitor.done();
    }
}

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From source file:org.omegat.util.PreferencesTest.java

/**
 * Test that if an error is encountered when loading the
 * preferences file, the original file is backed up.
 *///from w w  w.  j a v  a2  s  .c o m
public void testPreferencesBackup() throws Exception {
    File prefsFile = new File(tmpDir, Preferences.FILE_PREFERENCES);

    // Write anything that is malformed XML, to force a parsing error.
    PrintWriter out = new PrintWriter(prefsFile, "UTF-8");
    out.println("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
    out.println("<omegat>");
    out.println("<preference version=\"1.0\">");
    out.close();
    assertFalse(out.checkError());

    // Load bad prefs file.
    new PreferencesImpl(new PreferencesXML(prefsFile, null));

    // The actual backup file will have a timestamp in the filename,
    // so we have to loop through looking for it.
    File backup = null;
    for (File f : tmpDir.listFiles()) {
        String name = f.getName();
        if (name.startsWith(prefsFile.getName()) && name.endsWith(".bak")) {
            backup = f;
            break;
        }
    }

    assertNotNull(backup);
    assertTrue(backup.isFile());

    TestFilterBase.compareBinary(prefsFile, backup);
}

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