Example usage for java.lang Long valueOf

Introduction

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

Prototype

public static Long valueOf(String s, int radix) throws NumberFormatException 

Source Link

Document

Returns a Long object holding the value extracted from the specified String when parsed with the radix given by the second argument.

Usage

From source file:Main.java

public static void main(String[] args) {

    String str = "123456789098765";
    System.out.println("Value = " + Long.valueOf(str, 10));
}

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From source file:Main.java

public static <RET> RET fromBase36(String basecode) {
    Long result = Long.valueOf(basecode, 36);
    long maxInt = new Long(Integer.MAX_VALUE);

    if (result > maxInt) {
        return ((RET) result);
    } else {//from   w w w . j a  v  a 2s. co  m
        return ((RET) (Integer) result.intValue());
    }

}

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From source file:Main.java

public static int toInteger(byte[] source, int index) {
    StringBuilder valueStr = new StringBuilder("");
    for (int i = 0; i < 4; i++) {
        valueStr.append(chars[(byte) ((source[index * 4 + i] & 0xF0) >> 4)]);
        valueStr.append(chars[(byte) (source[index * 4 + i] & 0x0F)]);
    }/*  w w  w.j  ava2  s .  c o m*/
    return Long.valueOf(valueStr.toString(), 16).intValue();

}

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From source file:com.blockwithme.longdb.tools.Utils.java

/** Attempts to read file with name - 'OriginalFileName'.crc32 if present :
 * Assumes that the content inside 'OriginalFileName'.crc32 file is equal to
 * the CRC32 value of the Original file. Calculates CRC32 value of the
 * current file and Compares it with the original value. In case if the
 * .crc32 file is not found, or the file size is not 8 bytes this method
 * returns false, If the file is found but the values don't match this
 * method throws a RuntimeExcepiton./*from  w w w.ja  va2  s  .c  om*/
 * 
 * @param theFile
 *        the file
 * @param isCompressed
 *        true if compressed
 * @return true, if checksum successful
 * @throws Exception */
// TODO: When do we need to differentiate the "no crc file" and
// "bad crc" cases? Is it not a failure, one way or another?
public static boolean checkSum(final File theFile, final boolean isCompressed) throws Exception {

    final File crcFile = new File(theFile.getAbsolutePath() + ".crc32");
    if (!crcFile.exists() || crcFile.length() != INT_BYTES * 2) {
        return false;
    }
    final String crcCode = FileUtils.readFileToString(crcFile);
    final long expectedCRC = Long.valueOf(crcCode, 16); // $codepro.audit.disable
                                                        // handleNumericParsingErrors

    if (getCRC32(theFile, isCompressed) != expectedCRC)
        throw new RuntimeException("CRC-32 validation failed for file:" + theFile.getAbsolutePath());
    return true;
}

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