Example usage for java.io IOException printStackTrace

List of usage examples for java.io IOException printStackTrace

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Introduction

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

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:com.rockstor.tools.RockStorFsFormat.java

public static void main(String[] args) {
    int res = 0;// w ww  . jav a2  s .c o m
    try {
        res = ToolRunner.run(RockConfiguration.create(), new RockStorFsFormat(), args);
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.exit(res);
}

From source file:grnet.validation.XMLValidation.java

public static void main(String[] args) throws IOException {
    // TODO Auto-generated method ssstub

    Enviroment enviroment = new Enviroment(args[0]);

    if (enviroment.envCreation) {
        String schemaUrl = enviroment.getArguments().getSchemaURL();
        Core core = new Core(schemaUrl);

        XMLSource source = new XMLSource(args[0]);

        File sourceFile = source.getSource();

        if (sourceFile.exists()) {

            Collection<File> xmls = source.getXMLs();

            System.out.println("Validating repository:" + sourceFile.getName());

            System.out.println("Number of files to validate:" + xmls.size());

            Iterator<File> iterator = xmls.iterator();

            System.out.println("Validating against schema:" + schemaUrl + "...");

            ValidationReport report = null;
            if (enviroment.getArguments().createReport().equalsIgnoreCase("true")) {

                report = new ValidationReport(enviroment.getArguments().getDestFolderLocation(),
                        enviroment.getDataProviderValid().getName());

            }//from w w  w . j a va2 s.c o m

            ConnectionFactory factory = new ConnectionFactory();
            factory.setHost(enviroment.getArguments().getQueueHost());
            factory.setUsername(enviroment.getArguments().getQueueUserName());
            factory.setPassword(enviroment.getArguments().getQueuePassword());

            while (iterator.hasNext()) {

                StringBuffer logString = new StringBuffer();
                logString.append(sourceFile.getName());
                logString.append(" " + schemaUrl);

                File xmlFile = iterator.next();
                String name = xmlFile.getName();
                name = name.substring(0, name.indexOf(".xml"));

                logString.append(" " + name);

                boolean xmlIsValid = core.validateXMLSchema(xmlFile);

                if (xmlIsValid) {
                    logString.append(" " + "Valid");
                    slf4jLogger.info(logString.toString());

                    Connection connection = factory.newConnection();
                    Channel channel = connection.createChannel();
                    channel.queueDeclare(QUEUE_NAME, false, false, false, null);

                    channel.basicPublish("", QUEUE_NAME, null, logString.toString().getBytes());
                    channel.close();
                    connection.close();
                    try {
                        if (report != null) {

                            report.raiseValidFilesNum();
                        }

                        FileUtils.copyFileToDirectory(xmlFile, enviroment.getDataProviderValid());
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                } else {
                    logString.append(" " + "Invalid");
                    slf4jLogger.info(logString.toString());

                    Connection connection = factory.newConnection();
                    Channel channel = connection.createChannel();
                    channel.queueDeclare(QUEUE_NAME, false, false, false, null);

                    channel.basicPublish("", QUEUE_NAME, null, logString.toString().getBytes());
                    channel.close();
                    connection.close();

                    try {
                        if (report != null) {

                            if (enviroment.getArguments().extendedReport().equalsIgnoreCase("true"))
                                report.appendXMLFileNameNStatus(xmlFile.getPath(), Constants.invalidData,
                                        core.getReason());

                            report.raiseInvalidFilesNum();
                        }
                        FileUtils.copyFileToDirectory(xmlFile, enviroment.getDataProviderInValid());
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }

            if (report != null) {
                report.writeErrorBank(core.getErrorBank());
                report.appendGeneralInfo();
            }
            System.out.println("Validation is done.");

        }

    }
}

From source file:examples.mail.IMAPImportMbox.java

public static void main(String[] args) throws IOException {
    if (args.length < 2) {
        System.err.println(/* w  ww .  ja  va2s  . c om*/
                "Usage: IMAPImportMbox imap[s]://user:password@host[:port]/folder/path <mboxfile> [selectors]");
        System.err.println("\tWhere: a selector is a list of numbers/number ranges - 1,2,3-10"
                + " - or a list of strings to match in the initial From line");
        System.exit(1);
    }

    final URI uri = URI.create(args[0]);
    final String file = args[1];

    final File mbox = new File(file);
    if (!mbox.isFile() || !mbox.canRead()) {
        throw new IOException("Cannot read mailbox file: " + mbox);
    }

    String path = uri.getPath();
    if (path == null || path.length() < 1) {
        throw new IllegalArgumentException("Invalid folderPath: '" + path + "'");
    }
    String folder = path.substring(1); // skip the leading /

    List<String> contains = new ArrayList<String>(); // list of strings to find
    BitSet msgNums = new BitSet(); // list of message numbers

    for (int i = 2; i < args.length; i++) {
        String arg = args[i];
        if (arg.matches("\\d+(-\\d+)?(,\\d+(-\\d+)?)*")) { // number,m-n
            for (String entry : arg.split(",")) {
                String[] parts = entry.split("-");
                if (parts.length == 2) { // m-n
                    int low = Integer.parseInt(parts[0]);
                    int high = Integer.parseInt(parts[1]);
                    for (int j = low; j <= high; j++) {
                        msgNums.set(j);
                    }
                } else {
                    msgNums.set(Integer.parseInt(entry));
                }
            }
        } else {
            contains.add(arg); // not a number/number range
        }
    }
    //        System.out.println(msgNums.toString());
    //        System.out.println(java.util.Arrays.toString(contains.toArray()));

    // Connect and login
    final IMAPClient imap = IMAPUtils.imapLogin(uri, 10000, null);

    int total = 0;
    int loaded = 0;
    try {
        imap.setSoTimeout(6000);

        final BufferedReader br = new BufferedReader(new FileReader(file)); // TODO charset?

        String line;
        StringBuilder sb = new StringBuilder();
        boolean wanted = false; // Skip any leading rubbish
        while ((line = br.readLine()) != null) {
            if (line.startsWith("From ")) { // start of message; i.e. end of previous (if any)
                if (process(sb, imap, folder, total)) { // process previous message (if any)
                    loaded++;
                }
                sb.setLength(0);
                total++;
                wanted = wanted(total, line, msgNums, contains);
            } else if (startsWith(line, PATFROM)) { // Unescape ">+From " in body text
                line = line.substring(1);
            }
            // TODO process first Received: line to determine arrival date?
            if (wanted) {
                sb.append(line);
                sb.append(CRLF);
            }
        }
        br.close();
        if (wanted && process(sb, imap, folder, total)) { // last message (if any)
            loaded++;
        }
    } catch (IOException e) {
        System.out.println(imap.getReplyString());
        e.printStackTrace();
        System.exit(10);
        return;
    } finally {
        imap.logout();
        imap.disconnect();
    }
    System.out.println("Processed " + total + " messages, loaded " + loaded);
}

From source file:com.comcast.oscar.examples.InsertDigitMapToConfigurationBinaryTest.java

/**
 * @param args/*from   ww  w  .ja v a 2  s  .c  om*/
 */
@SuppressWarnings("deprecation")
public static void main(String[] args) {

    boolean debug = Boolean.FALSE;

    File fDigitMap = null;
    File fPacketCableTxt = null;
    File fPacketCableBin = null;

    //Get DigitMap
    try {

        fDigitMap = new File(new java.io.File(".").getCanonicalPath() + File.separatorChar + "testfiles"
                + File.separatorChar + "digitMap.txt");

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

    //OID
    String sOID = "enterprises.4491.2.2.8.2.1.1.3.1.1.2.1";

    //Convert File to ByteArray
    byte[] bDigitMap = HexString.fileToByteArray(fDigitMap);

    //Need to get the JSON Dictionary Object, in this case, we need to use Snmp64
    DictionarySQLQueries dsqSnmp64 = new DictionarySQLQueries(
            DictionarySQLQueries.PACKET_CABLE_DICTIONARY_TABLE_NAME);

    //Get JSON Dictionary Object
    JSONObject joDictSnmp64 = dsqSnmp64.getTlvDictionary(64);

    //Create JSON ARRAY for JSON Snmp64 Dictionary
    OIDToJSONArray otjoSnmp64 = new OIDToJSONArray(sOID, bDigitMap);

    try {
        joDictSnmp64 = otjoSnmp64.updateSnmpJsonObject(joDictSnmp64);
    } catch (JSONException e) {
        e.printStackTrace();
    }

    // Validate: http://www.jsoneditoronline.org/
    if (debug)
        System.out.println("Snmp64 - JSON-DICTIONARY: " + joDictSnmp64);

    /* Convert to TLV */

    //Create a    TlvAssembler for the JSON Dictionary         
    TlvAssembler taSnmp64 = null;

    //Create an JSONArray Object - Need to make this more clean
    JSONArray jaSnmp64 = new JSONArray();

    //Add JSONObject to JSONArray for TlvAssembler
    jaSnmp64.put(joDictSnmp64);

    //Get TlvAssembler() with Snmp64 TLV Encoding
    taSnmp64 = new TlvAssembler(jaSnmp64);

    //Display JSONObject
    if (debug)
        System.out.println("Snmp64: " + taSnmp64.toString());

    /*Insert into Configuration File*/

    /********************************
     *       Text To Binary
     ********************************/

    try {

        fPacketCableTxt = new File(new java.io.File(".").getCanonicalPath() + File.separatorChar + "testfiles"
                + File.separatorChar + "IMS-PKT-CABLE-CONFIG-NO-DIGITMAP.txt");

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

    ConfigurationFileImport cfiPacketCable = null;

    try {
        try {
            cfiPacketCable = new ConfigurationFileImport(fPacketCableTxt);
        } catch (ConfigurationFileException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }

    ConfigurationFile cfSnmp64 = new ConfigurationFile(ConfigurationFile.PKT_CBL_VER_20,
            cfiPacketCable.getTlvBuilder());

    //Add DigitMap
    cfSnmp64.add(taSnmp64);

    ConfigurationFile cfPacketCAble = new ConfigurationFile(ConfigurationFile.PKT_CBL_VER_20,
            cfiPacketCable.getTlvBuilder());

    cfPacketCAble.commit();

    try {
        fPacketCableBin = new File(new java.io.File(".").getCanonicalPath() + File.separatorChar + "testfiles"
                + File.separatorChar + File.separatorChar + "output" + File.separatorChar
                + "IMS-PKT-CABLE-CONFIG-WITH-DIGIT-MAP.bin");

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

    cfPacketCAble.setConfigurationFileName(fPacketCableBin);

    if (cfPacketCAble.writeToDisk()) {
        System.out.println("Write to File: ");
    } else {
        System.out.println("Write to File FAILED: ");
    }

    /********************************
     *       Binary To Text
     ********************************/

    System.out.println(
            "+========================================================================================================================+");

    try {
        fPacketCableBin = new File(new java.io.File(".").getCanonicalPath() + File.separatorChar + "testfiles"
                + File.separatorChar + "IMS-PKT-CABLE-CONFIG-NO-DIGITMAP.bin");

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

    ConfigurationFileExport cfePacketCable = new ConfigurationFileExport(fPacketCableBin);

    try {
        cfSnmp64 = new ConfigurationFile(ConfigurationFile.PKT_CBL_VER_20, cfePacketCable.getTlvBuilder());
    } catch (TlvException e) {
        e.printStackTrace();
    }

    //Add Snmp64 DigitMap
    cfSnmp64.add(taSnmp64);

    ConfigurationFileExport cfeSnmp64Insert = new ConfigurationFileExport(cfSnmp64);

    System.out.println(cfeSnmp64Insert.toPrettyPrint(0));

}

From source file:btrplace.fromEntropy.Converter.java

public static void main(String[] args) {
    String src, dst = null, output, scriptDC = null, dirScriptsCL = null;

    if (args.length < 5 || args.length > 6 || !args[args.length - 2].equals("-o")) {
        usage(1);/*from  w  w  w.  j  a v a  2 s . c o  m*/
    }
    src = args[0];
    output = args[args.length - 1];
    if (args.length > 5) {
        dst = args[1];
    }
    scriptDC = args[args.length - 4];
    dirScriptsCL = args[args.length - 3];

    OutputStreamWriter out = null;
    try {
        // Convert the src file
        ConfigurationConverter conv = new ConfigurationConverter(src);
        Instance i = conv.getInstance();

        // Read the dst file, deduce and add the states constraints
        if (dst != null) {
            i.getSatConstraints().addAll(conv.getNextStates(dst));
        }

        // Read the script files
        ScriptBuilder scriptBuilder = new ScriptBuilder(i.getModel());
        //scriptBuilder.setIncludes(new PathBasedIncludes(scriptBuilder,
        //        new File("src/test/resources")));

        // Read the datacenter script file if exists
        if (scriptDC != null) {
            String strScriptDC = null;
            try {
                strScriptDC = readFile(scriptDC);
            } catch (IOException e) {
                e.printStackTrace();
            }
            Script scrDC = null;
            try {
                // Build the DC script
                scrDC = scriptBuilder.build(strScriptDC);

            } catch (ScriptBuilderException sbe) {
                System.out.println(sbe);
            }

            // Set the DC script as an include
            BasicIncludes bi = new BasicIncludes();
            bi.add(scrDC);
            scriptBuilder.setIncludes(bi);
        }

        // Read all the client script files
        String scriptCL = null, strScriptCL = null;
        Script scrCL = null;
        Iterator it = FileUtils.iterateFiles(new File(dirScriptsCL), null, false);
        while (it.hasNext()) {
            scriptCL = dirScriptsCL + "/" + ((File) it.next()).getName();

            if (scriptCL != null) {
                // Read
                try {
                    strScriptCL = readFile(scriptCL);
                } catch (IOException e) {
                    e.printStackTrace();
                }

                // Parse
                try {
                    scrCL = scriptBuilder.build(strScriptCL);

                } catch (ScriptBuilderException sbe) {
                    System.out.println(sbe);
                    sbe.printStackTrace();
                }

                // Add the resulting constraints
                if (scrCL.getConstraints() != null) {
                    i.getSatConstraints().addAll(scrCL.getConstraints());
                }
            }
        }

        /************** PATCH **************/
        // State constraints;
        for (Node n : i.getModel().getMapping().getOnlineNodes()) {
            i.getSatConstraints().add(new Online(n));
        }
        for (Node n : i.getModel().getMapping().getOfflineNodes()) {
            i.getSatConstraints().add(new Offline(n));
        }
        // Remove preserve constraints
        for (Iterator<SatConstraint> ite = i.getSatConstraints().iterator(); ite.hasNext();) {
            SatConstraint s = ite.next();
            if (s instanceof Preserve && src.contains("nr")) {
                ite.remove();
            }
        }
        /************************************/

        // Convert to JSON
        InstanceConverter iConv = new InstanceConverter();
        JSONObject o = iConv.toJSON(i);

        // Check for gzip extension
        if (output.endsWith(".gz")) {
            out = new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(output)));
        } else {
            out = new FileWriter(output);
        }

        // Write the output file
        o.writeJSONString(out);
        out.close();

    } catch (Exception e) {
        System.err.println(e.getMessage());
        e.printStackTrace();
        System.exit(1);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                System.err.println(e.getMessage());
                System.exit(1);
            }
        }
    }
}

From source file:de.uni_koblenz.jgralab.utilities.greqlinterface.GReQLConsole.java

/**
 * Performs some queries, extend this method to perform more queries
 * // w  ww.j  a  v a2 s  . com
 * @param args
 */
public static void main(String[] args) {
    CommandLine comLine = processCommandLineOptions(args);
    assert comLine != null;

    String queryFile = comLine.getOptionValue("q");
    String graphFile = comLine.getOptionValue("g");
    boolean loadSchema = comLine.hasOption("s");

    JGraLab.setLogLevel(Level.SEVERE);
    GReQLConsole console = new GReQLConsole(graphFile, loadSchema, comLine.hasOption('v'));
    Object result = console.performQuery(new File(queryFile));

    if (comLine.hasOption("o")) {
        try {
            console.resultToHTML(result, comLine.getOptionValue("o"));
        } catch (IOException e) {
            System.err.println("Exception while creating HTML output:");
            e.printStackTrace();
        }
    } else {
        System.out.println("Result: " + result);
    }
}

From source file:edu.southampton.wais.crowd.terrier.applications.Indexing.java

/** 
 * Used for testing purposes.//from   w  ww  .  j  av a  2s  . c  o m
 * @param args the command line arguments.
 */
public static void main(String[] args) {
    long startTime = System.currentTimeMillis();

    Indexing t = new Indexing();

    t.setTRECIndexing(t.terrierIndexPath, t.terrierIndexPrefix);

    logger.info("Cleaning the dirs with previous index..");

    try {

        FileUtils.cleanDirectory(new File(t.terrierIndexPath));

    } catch (IOException e) {
        // TODO Auto-generated catch block

        e.printStackTrace();

        logger.info("Exception : " + e.getMessage());

    }

    logger.info("Cleaning done");

    t.index();

    long endTime = System.currentTimeMillis();

    if (logger.isInfoEnabled())

        logger.info("Elapsed time=" + ((endTime - startTime) / 1000.0D));

}

From source file:com.tmo.swagger.main.GenrateSwaggerJson.java

public static void main(String[] args)
        throws JsonGenerationException, JsonMappingException, IOException, EmptyXlsRows {

    PropertyReader pr = new PropertyReader();

    Properties prop = pr.readPropertiesFile(args[0]);
    //Properties prop =pr.readClassPathPropertyFile("common.properties");
    String swaggerFile = prop.getProperty("swagger.json");
    String sw = "";
    if (swaggerFile != null && swaggerFile.length() > 0) {
        Swagger swagger = populatePropertiesOnlyPaths(prop, new SwaggerParser().read(swaggerFile));
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        sw = mapper.writeValueAsString(swagger);
    } else {//from  w w w  .jav a2  s.  c o m
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_NULL);
        Swagger swagger = populateProperties(prop);
        sw = mapper.writeValueAsString(swagger);
    }
    try {
        File file = new File(args[1] + prop.getProperty("path.operation.tags") + ".json");
        //File file = new File("src/main/resources/"+prop.getProperty("path.operation.tags")+".json");
        if (!file.exists()) {
            file.createNewFile();
        }
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(sw);
        logger.info("Swagger Genration Done!");
        bw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:test1.ApacheHttpRestClient2.java

public final static void main(String[] args) {

    HttpClient httpClient = new DefaultHttpClient();
    try {//from  w w  w.  jav a  2 s  .  c o m
        // this ona api call returns results in a JSON format
        HttpGet httpGetRequest = new HttpGet("https://api.ona.io/api/v1/users");

        // Execute HTTP request
        HttpResponse httpResponse = httpClient.execute(httpGetRequest);

        System.out.println("------------------HTTP RESPONSE----------------------");
        System.out.println(httpResponse.getStatusLine());
        System.out.println("------------------HTTP RESPONSE----------------------");

        // Get hold of the response entity
        HttpEntity entity = httpResponse.getEntity();

        // If the response does not enclose an entity, there is no need
        // to bother about connection release
        byte[] buffer = new byte[1024];
        if (entity != null) {
            InputStream inputStream = entity.getContent();
            try {
                int bytesRead = 0;
                BufferedInputStream bis = new BufferedInputStream(inputStream);
                while ((bytesRead = bis.read(buffer)) != -1) {
                    String chunk = new String(buffer, 0, bytesRead);
                    FileWriter file = new FileWriter("C:\\Users\\fred\\Desktop\\webicons\\output.txt");
                    //file.write(chunk.toJSONString());
                    file.write(chunk.toCharArray());
                    file.flush();
                    file.close();

                    System.out.print(chunk);
                    System.out.println(chunk);
                }
            } catch (IOException ioException) {
                // In case of an IOException the connection will be released
                // back to the connection manager automatically
                ioException.printStackTrace();
            } catch (RuntimeException runtimeException) {
                // In case of an unexpected exception you may want to abort
                // the HTTP request in order to shut down the underlying
                // connection immediately.
                httpGetRequest.abort();
                runtimeException.printStackTrace();
            }
            //          try {
            //              FileWriter file = new FileWriter("C:\\Users\\fred\\Desktop\\webicons\\output.json");
            //                file.write(bis.toJSONString());
            //                file.flush();
            //                file.close();
            //
            //                System.out.print(bis);
            //          } catch (Exception e) {
            //          }

            finally {
                // Closing the input stream will trigger connection release
                try {
                    inputStream.close();
                } catch (Exception ignore) {
                }
            }
        }
    } catch (ClientProtocolException e) {
        // thrown by httpClient.execute(httpGetRequest)
        e.printStackTrace();
    } catch (IOException e) {
        // thrown by entity.getContent();
        e.printStackTrace();
    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpClient.getConnectionManager().shutdown();
    }
}

From source file:de.moritzrupp.stockreader.Main.java

/**
 * main/*from w w w. j  a  v  a2  s .  c o  m*/
 * @param args
 */
public static void main(String[] args) {

    initOptions();
    clParser = new GnuParser();

    if (args.length == 0) { // if no arguments

        formatter.printHelp("stockreader", header, options, footer);
        System.exit(1);
    }

    try {

        CommandLine line = clParser.parse(options, args);

        if (line.hasOption("h")) {

            printHelp();
        }

        if (line.hasOption("v")) {

            System.out.println("stockreader version " + VERSION
                    + ". Copyright 2013 by Moritz Rupp. All rights reserved.\n"
                    + "This application is licensed under The MIT License (MIT). See https://github.com/moritzrupp/stockreader/blob/master/LICENSE.md");
            System.exit(0);
        }

        if (line.hasOption("p")) {

            priceArg = true;
        }

        if (line.hasOption("f")) {

            fileArg = true;
            theFile = new File(line.getOptionValue("f"));
        }

        host = line.getOptionValue("host");
        username = line.getOptionValue("user");
        passwd = line.getOptionValue("password");
        from = line.getOptionValue("from");
        to = line.getOptionValue("to");
    } catch (ParseException exp) {
        // TODO Auto-generated catch block
        exp.printStackTrace();
    }

    try {

        reader = new StockReader(';', new StockQuote(), "UTF-8",
                (fileArg) ? theFile.toString()
                        : new File(".").getCanonicalPath()
                                + ((System.getProperty("os.name").toLowerCase().startsWith("win")) ? "\\" : "/")
                                + "stocks.csv");

        for (int i = 0; i < args.length; i++) {

            switch (args[i].charAt(0)) {

            case '-':
                if (args[i].length() < 2) {

                    System.err.println("Not a valid argument: " + args[i]);
                    printHelp();
                    System.exit(1);
                }

                if (args[i].charAt(1) == 'f' || (args[i].charAt(1) == '-' && args[i].charAt(2) == 'f')) {

                    // get the path and set it to "nosymbol"
                    args[i + 1] = "nosymbol";
                }

                break;
            default:
                if (!args[i].equals("nosymbol")) {
                    reader.addSymbol(args[i]);
                }
                break;
            }
        }

        reader.getQuotes();
        reader.writeToCSV(priceArg);
        reader.sendmail(from, to, "Aktienkurse", host, username, passwd);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (JAXBException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (java.text.ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}