Example usage for java.lang Exception Exception

Introduction

In this page you can find the example usage for java.lang Exception Exception.

Prototype

public Exception(Throwable cause) 

Source Link

Document

Constructs a new exception with the specified cause and a detail message of (cause==null ?

Usage

From source file:Main.java

/**
   Return the first children of a node with a given name.
   @throws Exception if no child is found
 *///  ww w. jav a 2s.  com
static public Node assertChild(Node node, String child_name) throws Exception {
    Node ret = findChild(node, child_name);
    if (ret == null)
        throw new Exception("Cannot find " + child_name + " node");
    return ret;
}

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From source file:Main.java

public static String httpGet(String url) throws Exception {
    ensureHttpClient();//www.  jav a2 s.  c  o m

    HttpGet request = new HttpGet(url);
    HttpResponse response = httpClient.execute(request);
    if (response != null) {
        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode == 200)
            return stringFromInputStream(response.getEntity().getContent());
        else
            throw new Exception("Got error code " + statusCode + " from server");
    }

    throw new Exception("Unable to connect to server");
}

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From source file:Main.java

/**
 * Convert xml to string./*w ww. ja  v a  2s. c  om*/
 *
 * @param pDocument
 *            the p document
 * @param encoding
 *            the encoding
 * @return the string
 * @throws Exception
 *             the exception
 */
public static String convertXML2String(Document pDocument, String encoding) throws Exception {
    TransformerFactory transformerFactory = null;
    Transformer transformer = null;
    DOMSource domSource = null;
    StringWriter writer = new java.io.StringWriter();
    StreamResult result = null;

    try {
        transformerFactory = TransformerFactory.newInstance();
        if (transformerFactory == null) {
            throw new Exception("TransformerFactory error");
        }

        transformer = transformerFactory.newTransformer();
        if (transformer == null) {
            throw new Exception("Transformer error");
        }

        if (encoding != null) {
            transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
        } else {
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        }

        domSource = new DOMSource(pDocument);
        result = new StreamResult(writer);

        transformer.transform(domSource, result);

        return writer.toString();
    } catch (TransformerFactoryConfigurationError e) {
        throw new Exception("TransformerFactoryConfigurationError", e);
    } catch (TransformerConfigurationException e) {
        throw new Exception("TransformerConfigurationException", e);
    } catch (TransformerException e) {
        throw new Exception("TransformerException", e);
    } finally {
        try {
            if (writer != null) {
                writer.close();
            }
        } catch (IOException ex) {
            throw new Exception("IO error", ex);
        }
    }
}

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From source file:Main.java

public static String getElementValue(String elementName, Element element) throws Exception {
    String value = null;//from  ww  w .  j a v a 2 s  .com
    NodeList childNodes = element.getElementsByTagName(elementName);
    Element cn = (Element) childNodes.item(0);
    value = cn.getFirstChild().getNodeValue().trim();
    //value = childNodes.item(0).getNodeValue().trim();
    if (value == null) {
        throw new Exception("No element found with given name:" + elementName);
    }
    return value;
}

---

From source file:com.likya.tlos.utils.PasswordService.java

public static synchronized String encrypt(String plaintext) throws Exception {
    MessageDigest md = null;//from www.  ja v  a 2s.  c  om
    try {
        md = MessageDigest.getInstance("SHA"); // step 2 //$NON-NLS-1$
    } catch (NoSuchAlgorithmException e) {
        throw new Exception(e.getMessage());
    }
    try {
        md.update(plaintext.getBytes("UTF-8")); // step 3 //$NON-NLS-1$
    } catch (UnsupportedEncodingException e) {
        throw new Exception(e.getMessage());
    }
    byte raw[] = md.digest(); // step 4

    /**
     * Sun uygulamasndan vazgeilip apache uygulamas kullanld
     * 16.03.2011 
     * 
     */
    // String hash = (new BASE64Encoder()).encode(raw); // step 5

    String hash = Base64.encodeBase64String(raw);

    return hash; // step 6
}

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From source file:edu.msu.cme.rdp.classifier.comparison.ComparisonCmd.java

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

    String queryFile1 = null;//from www  .jav a  2  s.  c  o m
    String queryFile2 = null;
    String class_outputFile = null;
    String compare_outputFile = null;
    String propFile = null;
    ClassificationResultFormatter.FORMAT format = CmdOptions.DEFAULT_FORMAT;
    float conf_cutoff = CmdOptions.DEFAULT_CONF;
    String gene = null;

    try {
        CommandLine line = new PosixParser().parse(options, args);

        if (line.hasOption(QUERYFILE1_SHORT_OPT)) {
            queryFile1 = line.getOptionValue(QUERYFILE1_SHORT_OPT);
        } else {
            throw new Exception("queryFile1 must be specified");
        }
        if (line.hasOption(QUERYFILE2_SHORT_OPT)) {
            queryFile2 = line.getOptionValue(QUERYFILE2_SHORT_OPT);
        } else {
            throw new Exception("queryFile2 must be specified");
        }

        if (line.hasOption(CmdOptions.OUTFILE_SHORT_OPT)) {
            class_outputFile = line.getOptionValue(CmdOptions.OUTFILE_SHORT_OPT);
        } else {
            throw new Exception("outputFile for classification results must be specified");
        }

        if (line.hasOption(COMPARE_OUTFILE_SHORT_OPT)) {
            compare_outputFile = line.getOptionValue(COMPARE_OUTFILE_SHORT_OPT);
        } else {
            throw new Exception("outputFile for comparsion results must be specified");
        }

        if (line.hasOption(CmdOptions.TRAINPROPFILE_SHORT_OPT)) {
            if (gene != null) {
                throw new IllegalArgumentException(
                        "Already specified the gene from the default location. Can not specify train_propfile");
            } else {
                propFile = line.getOptionValue(CmdOptions.TRAINPROPFILE_SHORT_OPT);
            }
        }
        if (line.hasOption(CmdOptions.BOOTSTRAP_SHORT_OPT)) {
            conf_cutoff = Float.parseFloat(line.getOptionValue(CmdOptions.BOOTSTRAP_SHORT_OPT));
        }
        if (line.hasOption(CmdOptions.FORMAT_SHORT_OPT)) {
            String f = line.getOptionValue(CmdOptions.FORMAT_SHORT_OPT);
            if (f.equalsIgnoreCase("allrank")) {
                format = ClassificationResultFormatter.FORMAT.allRank;
            } else if (f.equalsIgnoreCase("fixrank")) {
                format = ClassificationResultFormatter.FORMAT.fixRank;
            } else if (f.equalsIgnoreCase("filterbyconf")) {
                format = ClassificationResultFormatter.FORMAT.filterbyconf;
            } else if (f.equalsIgnoreCase("db")) {
                format = ClassificationResultFormatter.FORMAT.dbformat;
            } else {
                throw new IllegalArgumentException(
                        "Not valid output format, only allrank, fixrank, filterbyconf and db allowed");
            }

        }
        if (line.hasOption(CmdOptions.GENE_SHORT_OPT)) {
            if (propFile != null) {
                throw new IllegalArgumentException(
                        "Already specified train_propfile. Can not specify gene any more");
            }
            gene = line.getOptionValue(CmdOptions.GENE_SHORT_OPT).toLowerCase();

            if (!gene.equals(ClassifierFactory.RRNA_16S_GENE)
                    && !gene.equals(ClassifierFactory.FUNGALLSU_GENE)) {
                throw new IllegalArgumentException(gene + " is NOT valid, only allows "
                        + ClassifierFactory.RRNA_16S_GENE + " and " + ClassifierFactory.FUNGALLSU_GENE);
            }
        }
    } catch (Exception e) {
        System.out.println("Command Error: " + e.getMessage());
        new HelpFormatter().printHelp(120, "ComparisonCmd", "", options, "", true);
        return;
    }

    if (propFile == null && gene == null) {
        gene = ClassifierFactory.RRNA_16S_GENE;
    }

    ComparisonCmd cmd = new ComparisonCmd(propFile, gene);
    cmd.setConfidenceCutoff(conf_cutoff);
    printLicense();

    cmd.doClassify(queryFile1, queryFile2, class_outputFile, compare_outputFile, format);

}

---

From source file:eu.riscoss.RemoteRiskAnalyserMain.java

static void loadJSmile() throws Exception {
    File dir = new File(FileUtils.getTempDirectory(), "jnativelibs-" + RandomStringUtils.randomAlphabetic(30));
    if (!dir.mkdir()) {
        throw new Exception("failed to make dir");
    }//from  w ww  .j a v a2s. c o  m
    File jsmile = new File(dir, "libjsmile.so");
    URL jsmURL = Thread.currentThread().getContextClassLoader().getResource("libjsmile.so");
    FileUtils.copyURLToFile(jsmURL, jsmile);
    System.setProperty("java.library.path",
            System.getProperty("java.library.path") + ":" + dir.getAbsolutePath());

    // flush the library paths
    Field sysPathsField = ClassLoader.class.getDeclaredField("sys_paths");
    sysPathsField.setAccessible(true);
    sysPathsField.set(null, null);

    // Check that it works...
    System.loadLibrary("jsmile");

    dir.deleteOnExit();
    jsmile.deleteOnExit();
}

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From source file:io.cloudslang.content.database.services.SQLQueryService.java

public static void executeSqlQuery(@NotNull final SQLInputs sqlInputs) throws Exception {
    if (StringUtils.isEmpty(sqlInputs.getSqlCommand())) {
        throw new Exception("command input is empty.");
    }/* w w  w.ja  v a2s  .  c  o  m*/
    ConnectionService connectionService = new ConnectionService();
    try (final Connection connection = connectionService.setUpConnection(sqlInputs)) {

        connection.setReadOnly(true);
        Statement statement = connection.createStatement(sqlInputs.getResultSetType(),
                sqlInputs.getResultSetConcurrency());
        statement.setQueryTimeout(sqlInputs.getTimeout());
        final ResultSet results = statement.executeQuery(sqlInputs.getSqlCommand());

        final ResultSetMetaData mtd = results.getMetaData();

        int iNumCols = mtd.getColumnCount();

        final StringBuilder strColumns = new StringBuilder(sqlInputs.getStrColumns());

        for (int i = 1; i <= iNumCols; i++) {
            if (i > 1) {
                strColumns.append(sqlInputs.getStrDelim());
            }
            strColumns.append(mtd.getColumnLabel(i));
        }
        sqlInputs.setStrColumns(strColumns.toString());

        while (results.next()) {
            final StringBuilder strRowHolder = new StringBuilder();
            for (int i = 1; i <= iNumCols; i++) {
                if (i > 1)
                    strRowHolder.append(sqlInputs.getStrDelim());
                if (results.getString(i) != null) {
                    String value = results.getString(i).trim();
                    if (sqlInputs.isNetcool())
                        value = SQLUtils.processNullTerminatedString(value);

                    strRowHolder.append(value);
                }
            }
            sqlInputs.getLRows().add(strRowHolder.toString());
        }
    }
}

---

From source file:Main.java

/**
 * Convert xml to byte array./*from  ww  w  .  j ava 2  s .  c o  m*/
 *
 * @param pDocument
 *            the p document
 * @param encoding
 *            the encoding
 * @return the byte[]
 * @throws Exception
 *             the exception
 */
public static byte[] convertXML2ByteArray(Node pDocument, String encoding) throws Exception {
    TransformerFactory transformerFactory = null;
    Transformer transformer = null;
    DOMSource domSource = null;
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    StreamResult result = null;

    try {
        transformerFactory = TransformerFactory.newInstance();
        if (transformerFactory == null) {
            throw new Exception("TransformerFactory error");
        }

        transformer = transformerFactory.newTransformer();
        if (transformer == null) {
            throw new Exception("Transformer error");
        }

        if (encoding != null) {
            transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
        } else {
            transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        }

        domSource = new DOMSource(pDocument);
        result = new StreamResult(outputStream);

        transformer.transform(domSource, result);

        return outputStream.toByteArray();
    } catch (TransformerFactoryConfigurationError e) {
        throw new Exception("TransformerFactoryConfigurationError", e);
    } catch (TransformerConfigurationException e) {
        throw new Exception("TransformerConfigurationException", e);
    } catch (TransformerException e) {
        throw new Exception("TransformerException", e);
    } finally {
        try {
            if (outputStream != null) {
                outputStream.close();
            }
        } catch (IOException ex) {
            throw new Exception("IO error", ex);
        }
    }
}

---

From source file:Main.java

/**
 * Gets the encoding of xml byte array./*ww w  .  ja v a  2 s  .c o  m*/
 *
 * @param xmlData
 *            the xml data
 * @return the encoding of xml byte array
 * @throws Exception
 *             the exception
 */
public static String getEncodingOfXmlByteArray(byte[] xmlData) throws Exception {
    String encodingAttributeName = "ENCODING";
    try {
        String first50CharactersInUtf8UpperCase = new String(xmlData, "UTF-8").substring(0, 50).toUpperCase();
        if (first50CharactersInUtf8UpperCase.contains(encodingAttributeName)) {
            int encodingstart = first50CharactersInUtf8UpperCase.indexOf(encodingAttributeName)
                    + encodingAttributeName.length();

            int contentStartEinfach = first50CharactersInUtf8UpperCase.indexOf("'", encodingstart);
            int contentStartDoppelt = first50CharactersInUtf8UpperCase.indexOf("\"", encodingstart);
            int contentStart = Math.min(contentStartEinfach, contentStartDoppelt);
            if (contentStartEinfach < 0) {
                contentStart = contentStartDoppelt;
            }
            if (contentStart < 0) {
                throw new Exception("XmlByteArray-Encoding nicht ermittelbar");
            }
            contentStart = contentStart + 1;

            int contentEndSingle = first50CharactersInUtf8UpperCase.indexOf("'", contentStart);
            int contentEndDouble = first50CharactersInUtf8UpperCase.indexOf("\"", contentStart);
            int contentEnd = Math.min(contentEndSingle, contentEndDouble);
            if (contentEndSingle < 0) {
                contentEnd = contentEndDouble;
            }
            if (contentEnd < 0) {
                throw new Exception("XmlByteArray-Encoding nicht ermittelbar");
            }

            String encodingString = first50CharactersInUtf8UpperCase.substring(contentStart, contentEnd);
            return encodingString;
        } else {
            throw new Exception("XmlByteArray-Encoding nicht ermittelbar");
        }
    } catch (UnsupportedEncodingException e) {
        throw new Exception("XmlByteArray-Encoding nicht ermittelbar");
    }
}

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