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

static File make_tmpdir(Context context, SQLiteDatabase db) throws Exception {

    File extdir = Environment.getExternalStorageDirectory();
    File tmp_top = new File(extdir, "tmp_LongText");
    if (!tmp_top.exists()) {
        if (!tmp_top.mkdir())
            throw new Exception("cannot create directory: " + tmp_top.getPath());
    }//from  w w  w  .  ja va  2s .c om
    if (!tmp_top.canWrite())
        throw new Exception("missing permission to write to " + tmp_top.getPath());

    File tmpdir;
    Random r = new Random();
    do {
        tmpdir = new File(tmp_top, String.format("%d", r.nextInt()));
    } while (tmpdir.exists());
    if (!tmpdir.mkdir())
        throw new Exception("cannot create directory: " + tmp_top.getPath());
    if (!tmpdir.canWrite())
        throw new Exception("missing permission to write to " + tmp_top.getPath());
    ContentValues v = new ContentValues();
    v.put("pid", Process.myPid());
    v.put("tmpdir", tmpdir.getPath());
    v.put("ctime", System.currentTimeMillis());
    db.insert("tmpdir", null, v);

    return tmpdir;
}

From source file:Main.java

public static Document createDocumentFromFile(File file) throws Exception {
    DocumentBuilderFactory factory = getDocumentBuilderFactory();
    DocumentBuilder builder;/*w  w  w  .j  av a  2 s.c o m*/
    try {
        builder = factory.newDocumentBuilder();
    } catch (ParserConfigurationException e) {
        throw new Exception(e);
    }
    return builder.parse(file);
}

From source file:Main.java

public static Document createDocumentFromStream(InputStream is) throws Exception {
    DocumentBuilderFactory factory = getDocumentBuilderFactory();
    DocumentBuilder builder;/*  ww  w. j a v  a 2s  .c  o m*/
    try {
        builder = factory.newDocumentBuilder();
    } catch (ParserConfigurationException e) {
        throw new Exception(e);
    }
    return builder.parse(is);
}

From source file:Main.java

/**
 * Decrypt data/*  ww  w . j  a  va  2  s  . co m*/
 * @param secretKey -   a secret key used for decryption
 * @param data      -   data to decrypt
 * @return   Decrypted data
 * @throws Exception
 */
public static String decipher(String secretKey, String data) throws Exception {
    // Key has to be of length 8
    if (secretKey == null || secretKey.length() != 8)
        throw new Exception("Invalid key length - 8 bytes key needed!");

    SecretKey key = new SecretKeySpec(secretKey.getBytes(), ALGORITHM);
    Cipher cipher = Cipher.getInstance(ALGORITHM);
    cipher.init(Cipher.DECRYPT_MODE, key);

    return new String(cipher.doFinal(toByte(data)));
}

From source file:Main.java

private static String getTypeByClass(Class<?> type) throws Exception {
    if (type.equals(String.class)) {
        return "TEXT";
    }// w  ww. j  av  a2s .co  m
    if (type.equals(Long.class) || type.equals(Integer.class) || type.equals(long.class)
            || type.equals(Date.class)) {
        return "INTEGER";
    }
    if (type.equals(Boolean.class)) {
        return "BOOLEAN";
    }

    Exception exception = new Exception(
            CONVERSION_CLASS_NOT_FOUND_EXCEPTION.concat(" - Class: ").concat(type.toString()));
    throw exception;
}

From source file:MainClass.java

public static void b() throws Exception {
    throw new Exception("The Root Exception");
}

From source file:Main.java

/**
 * Method to decode a string xml text./*  w ww  . j  a  va  2 s . c  o m*/
 * @param text string xml to decode.
 * @return the string xml decoded.
 * @throws Exception throw if any  error is occurred.
 */
public static String xmlDecode(String text) throws Exception {
    String origText = text;
    String newText = "";
    while (text.contains("&")) {
        int pos = text.indexOf("&");
        newText += text.substring(0, pos);
        text = text.substring(pos + 1);
        pos = text.indexOf(";");
        if (pos <= 0) {
            throw new Exception("Improperly escaped character: " + origText);
        }
        String charref = text.substring(0, pos);
        text = text.substring(pos + 1);
        if (charref.equals("lt")) {
            newText += "<";
        } else if (charref.equals("gt")) {
            newText += ">";
        } else if (charref.equals("amp")) {
            newText += "&";
        } else if (charref.equals("quot")) {
            newText += "\"";
        } else if (charref.equals("apos")) {
            newText += "'";
        } else if (charref.startsWith("#")) {
            String number = charref.substring(1);
            int radix = 10;
            if (charref.startsWith("#x") || charref.startsWith("#X")) {
                number = charref.substring(2);
                radix = 16;
            }
            if ("".equals(number)) {
                throw new Exception("Improperly escaped character: " + charref);
            }
            char ch;
            try {
                ch = (char) Integer.parseInt(number, radix);
            } catch (NumberFormatException nfe) {
                throw new Exception("Improperly escaped character: " + charref);
            }
            newText += ch;
        } else {
            throw new Exception("Improperly escaped character: " + charref);
        }
    } //while
    return newText + text;
}

From source file:ExceptionTrial.java

public static void theRoot() throws Exception {
    throw new Exception("The Root Exception");
}

From source file:eu.socialSensor.diverseImages2014.datasetCreation.MakeRelevanceDataset.java

/**
 * @param args//w w w.j a  v  a 2s  .c  om
 *            [0] collection path<br>
 *            [1] comma separated feature types e.g. "HOG,SURF,CM" <br>
 *            [2] comma separated individual feature normalizations e.g. "l2,no,l2" <br>
 *            [3] the type of normalization to apply on the concatenation of the features that are
 *            individually normalized, e.g. "l2" or "no" <br>
 *            [4] the type of normalization to apply on the overall vector, e.g. "l2" or "no" <br>
 *            [5] whether to include Wikipedia image vectors <br>
 *            [6] whether to write the dataset in sparse format<br>
 *            [7] the filename extension (typically "dev" or "test")
 * 
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    String collectionPath = args[0];
    String[] featureTypes = args[1].split(",");
    String[] individualNorms = args[2].split(",");
    if (featureTypes.length != individualNorms.length) {
        throw new Exception("Features types and normalizations have different sizes!");
    }
    String level1Norm = args[3];
    String finalNorm = args[4];
    boolean includeWiki = Boolean.parseBoolean(args[5]);
    boolean writeSparse = Boolean.parseBoolean(args[6]);
    String datasetExtension = args[7];

    MEDI2014Collection dataStoreTrain = new MEDI2014Collection(collectionPath);
    dataStoreTrain.loadAll(includeWiki, featureTypes, individualNorms);

    MakeRelevanceDataset marf = new MakeRelevanceDataset(dataStoreTrain, featureTypes);

    String arffFileName = Arrays.toString(featureTypes) + "-" + Arrays.toString(individualNorms) + "-"
            + level1Norm + "-" + finalNorm;
    arffFileName += "-" + datasetExtension + ".arff";
    marf.writeFile(arffFileName, individualNorms, level1Norm, finalNorm, writeSparse);

}

From source file:Main.java

/**
 * Encrypt data//  w ww  .  ja  v a  2s  . c o m
 * @param secretKey   -   a secret key used for encryption
 * @param data      -   data to encrypt
 * @return   Encrypted data
 * @throws Exception
 */
public static String cipher(String secretKey, String data) throws Exception {
    // Key has to be of length 8
    if (secretKey == null || secretKey.length() != 8)
        throw new Exception("Invalid key length - 8 bytes key needed!");

    SecretKey key = new SecretKeySpec(secretKey.getBytes(), ALGORITHM);
    Cipher cipher = Cipher.getInstance(ALGORITHM);
    cipher.init(Cipher.ENCRYPT_MODE, key);

    return toHex(cipher.doFinal(data.getBytes()));
}