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:at.illecker.hama.rootbeer.examples.matrixmultiplication.cpu.MatrixMultiplicationBSPCpu.java

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

    // Defaults/*from w w  w . ja v  a  2s  .  c om*/
    int numRowsA = 1024;
    int numColsA = 1024;
    int numRowsB = 1024;
    int numColsB = 1024;
    boolean isDebugging = false;

    Configuration conf = new HamaConfiguration();
    BSPJobClient jobClient = new BSPJobClient(conf);
    ClusterStatus cluster = jobClient.getClusterStatus(true);

    if (args.length > 0) {
        if (args.length == 6) {
            conf.setInt("bsp.peers.num", Integer.parseInt(args[0]));
            numRowsA = Integer.parseInt(args[1]);
            numColsA = Integer.parseInt(args[2]);
            numRowsB = Integer.parseInt(args[3]);
            numColsB = Integer.parseInt(args[4]);
            isDebugging = Boolean.parseBoolean(args[5]);

        } else {
            System.out.println("Wrong argument size!");
            System.out.println("    Argument1=numBspTask");
            System.out.println("    Argument2=numRowsA | Number of rows of the first input matrix");
            System.out.println("    Argument3=numColsA | Number of columns of the first input matrix");
            System.out.println("    Argument4=numRowsB | Number of rows of the second input matrix");
            System.out.println("    Argument5=numColsB | Number of columns of the second input matrix");
            System.out.println("    Argument6=debug | Enable debugging (true|false)");
            return;
        }
    } else {
        conf.setInt("bsp.peers.num", cluster.getMaxTasks());
    }

    conf.setBoolean(CONF_DEBUG, isDebugging);

    LOG.info("NumBspTask: " + conf.getInt("bsp.peers.num", 0));
    LOG.info("numRowsA: " + numRowsA);
    LOG.info("numColsA: " + numColsA);
    LOG.info("numRowsB: " + numRowsB);
    LOG.info("numColsB: " + numColsB);
    LOG.info("isDebugging: " + isDebugging);
    LOG.info("outputPath: " + OUTPUT_DIR);

    if (numColsA != numRowsB) {
        throw new Exception("Cols of MatrixA != rows of MatrixB! (" + numColsA + "!=" + numRowsB + ")");
    }

    // Create random DistributedRowMatrix
    // use constant seeds to get reproducible results

    // Matrix A
    DistributedRowMatrix.createRandomDistributedRowMatrix(conf, numRowsA, numColsA, new Random(42L),
            MATRIX_A_PATH, false);
    // Matrix B is stored transposed
    DistributedRowMatrix.createRandomDistributedRowMatrix(conf, numRowsB, numColsB, new Random(1337L),
            MATRIX_B_PATH, true);

    // Load DistributedRowMatrix a and b
    DistributedRowMatrix a = new DistributedRowMatrix(MATRIX_A_PATH, OUTPUT_DIR, numRowsA, numColsA);
    a.setConf(conf);

    DistributedRowMatrix b = new DistributedRowMatrix(MATRIX_B_PATH, OUTPUT_DIR, numRowsB, numColsB);
    b.setConf(conf);

    // MatrixMultiply all within a new BSP job
    long startTime = System.currentTimeMillis();
    DistributedRowMatrix c = a.multiplyBSP(b, MATRIX_C_PATH, false);

    System.out.println("MatrixMultiplicationCpu using Hama finished in "
            + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    // Verification
    // Overwrite matrix B, NOT transposed for verification check
    DistributedRowMatrix.createRandomDistributedRowMatrix(conf, numRowsB, numColsB, new Random(1337L),
            MATRIX_B_PATH, false);
    b = new DistributedRowMatrix(MATRIX_B_PATH, OUTPUT_DIR, numRowsB, numColsB);
    b.setConf(conf);

    DistributedRowMatrix d = a.multiplyJava(b, MATRIX_D_PATH);
    if (c.verify(d)) {
        System.out.println("Verify PASSED!");
    } else {
        System.out.println("Verify FAILED!");
    }

    if (isDebugging) {
        System.out.println("Matrix A:");
        a.printDistributedRowMatrix();
        System.out.println("Matrix B:");
        b.printDistributedRowMatrix();
        System.out.println("Matrix C:");
        c.printDistributedRowMatrix();
        System.out.println("Matrix D:");
        d.printDistributedRowMatrix();

        printOutput(conf);
    }
}

---

From source file:com.edge.media.service.util.HttpUtil.java

public void verifyUrl(String url, String path, String suffix) throws Exception {
    HttpClient client = new HttpClient();
    HttpMethod method = new HeadMethod(url + path + suffix);
    int statusCode = 0;
    try {// ww  w.j av  a2 s  .  co m
        statusCode = client.executeMethod(method);
    } catch (IOException e) {
        // do nothing
    }
    method.releaseConnection();

    if (statusCode != HttpStatus.SC_OK) {
        StringBuilder err = new StringBuilder("Stream does not exist: ");
        err.append(path);
        err.append(", ");
        err.append(statusCode);
        throw new Exception(err.toString());
    }
}

---

From source file:account.dao.ContactDao.java

public void addContact(ContactDTO contactDTO) throws Exception {

    String email = contactDTO.getEmail();
    boolean isContactPresent = checkThatContactCreated(contactDTO);

    if (isContactPresent) {
        throw new Exception("Contact with email " + email + " has allready created");
    }//from w w w .j  a  v  a  2s  .c  om

    Contact contact = new Contact();
    contact.setFirstName(contactDTO.getFirstName());
    contact.setLastName(contactDTO.getLastName());
    contact.setBirthDate(contactDTO.getBirthDate());
    contact.setHobbies(createHobbies(contactDTO.getHobbies()));
    contact.setPlaces(createPlaces(contactDTO.getPlaces()));
    contact.setEmail(email);

    contactList.add(contact);
    System.out.println("Added contact : " + contact);
}

---

From source file:com.grepsound.requests.FollowRequest.java

@Override
public Users loadDataFromNetwork() throws Exception {
    String url;//w  ww . j av a 2s .  c  om
    switch (state) {
    case FOLLOWER:
        url = "/me/followers";
        break;
    case FOLLOWING:
        url = "/me/followings";
        break;
    default:
        throw new Exception("state must be FOLLOWERS or FOLLOWING");
    }
    HttpResponse resp = Api.wrapper.get(Request.to(url));
    JSONArray result = new JSONArray(Http.getString(resp));
    return new Users(result);
}

---

From source file:cat.ogasoft.protocolizer.processor.CompilerPhase.java

public static void processCompiler(RoundEnvironment roundEnv) throws CompilerException {
    try {//from   w  w w .jav  a  2  s  . co  m
        String protocPath = "src" + File.separatorChar + "cat" + File.separatorChar + "ogasoft"
                + File.separatorChar + "protocolizer" + File.separatorChar + "protoc";

        DefaultExecutor de = new DefaultExecutor();
        for (Element element : roundEnv.getElementsAnnotatedWith(ProtoFileV2.Compiler.class)) {
            ProtoFileV2.Compiler compiler = element.getAnnotation(ProtoFileV2.Compiler.class);
            if (compiler.compile()) {
                String base = protocPath.replace('.', File.separatorChar);
                File dst = new File(base);
                if (!dst.exists() && !dst.mkdirs()) {
                    throw new Exception("Cann not be created directory " + dst.getAbsolutePath());
                }
                File rootDirectori = new File(base);
                //Compile all the files in compiler.protoFilePaths()
                FileFilter filter = new FileFilter() {
                    @Override
                    public boolean accept(File pathname) {
                        return pathname.getName().toLowerCase().endsWith(".proto");
                    }
                };
                for (File protoc : rootDirectori.listFiles(filter)) {
                    String target = base + File.separatorChar + protoc.getName();
                    LOG.info("\tCompiling " + target + "...");
                    CommandLine cmd = CommandLine.parse(compiler.command() + " --proto_path=" + protocPath + " "
                            + compiler.language().option + "=src " + target);
                    int result = de.execute(cmd);
                    if (result != 0) {
                        throw new CompilerException("HO ho... somthing went wrong, code: " + result);
                    }
                    LOG.info("\t" + target + " compiled");
                }
            }
        }
    } catch (Exception e) {
        //Any exception is a CompilerException.
        throw new CompilerException(e.getMessage());
    }
}

---

From source file:com.codebutler.farebot.card.desfire.DesfireFileSettings.java

public static DesfireFileSettings Create(byte[] data) throws Exception {
    byte fileType = (byte) data[0];

    ByteArrayInputStream stream = new ByteArrayInputStream(data);

    if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE)
        return new StandardDesfireFileSettings(stream);
    else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE)
        return new RecordDesfireFileSettings(stream);
    else if (fileType == VALUE_FILE)
        throw new UnsupportedOperationException("Value files not yet supported");
    else/*from w ww . j  a va 2  s  . com*/
        throw new Exception("Unknown file type: " + Integer.toHexString(fileType));
}

---

From source file:com.healthcit.analytics.businessdelegates.ModuleMetadataManager.java

/**
 * Loads module metadata// w  w  w  .  jav  a  2  s  .com
 */
public String loadModuleMetaData() throws Exception {
    String moduleMetadata = couchDb.getAttachment(PropertyUtils.getProperty("couchDBModuleMetadataDoc"));

    if (StringUtils.isEmpty(moduleMetadata))
        throw new Exception("ERROR: Could not load the module metadata");

    else
        return moduleMetadata;
}

---

From source file:com.netsteadfast.greenstep.util.JFreeChartDataMapperUtils.java

public static Map<String, Object> fillBarDataMap(String categoryLabel, String valueLabel, String title,
        List<String> names, List<Float> values, List<String> colors, int width, int height, boolean horizontal)
        throws Exception {
    if (names == null || values == null || colors == null || names.size() != values.size()
            || names.size() != colors.size() || names.size() < 1) {
        throw new Exception(SysMessageUtil.get(GreenStepSysMsgConstants.PARAMS_INCORRECT));
    }//w  ww  .  java  2  s  .com
    Map<String, Object> dataMap = new HashMap<String, Object>();
    dataMap.put("categoryLabel", categoryLabel);
    dataMap.put("valueLabel", valueLabel);
    dataMap.put("title", title);
    dataMap.put("names", names);
    dataMap.put("values", values);
    dataMap.put("colors", colors);
    dataMap.put("width", width);
    dataMap.put("height", height);
    dataMap.put("horizontal", (horizontal ? YesNo.YES : YesNo.NO));
    return dataMap;
}

---

From source file:nl.coralic.beta.sms.utils.http.HttpHandler.java

private static List<NameValuePair> createPostData(HashMap<String, String> arguments) throws Exception {
    List<NameValuePair> postdata = new ArrayList<NameValuePair>();
    if (arguments != null) {
        for (String key : arguments.keySet()) {
            postdata.add(new BasicNameValuePair(key, arguments.get(key)));
        }/*from   w  w  w.  j a v a2s.c o m*/
        return postdata;
    }
    throw new Exception("No arguments");
}

---

From source file:Main.java

/**
 * Gets the child of the specified element having the
 * specified name. If the child with this name doesn't exist
 * then the supplied default element is returned instead.
 *
 * @param element      the parent element
 * @param tagName      the name of the desired child
 * @param defaultElement the element to return if the child
 *                       doesn't exist/* w w w  .j  a v  a2 s. com*/
 * @return either the named child or the supplied default
 */
public static Element getOptionalChild(Element element, String tagName, Element defaultElement)
        throws Exception {
    final Iterator goodChildren = getChildrenByTagName(element, tagName);

    if (goodChildren != null && goodChildren.hasNext()) {
        final Element child = (Element) goodChildren.next();
        if (goodChildren.hasNext()) {
            throw new Exception("expected only one " + tagName + " tag");
        }
        return child;
    } else {
        return defaultElement;
    }
}

---

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