List of usage examples for java.lang NumberFormatException NumberFormatException
public NumberFormatException(String s)
NumberFormatException with the specified detail message. From source file:Main.java
public static String formatValue(double value) { if (value < 0) { throw new NumberFormatException("Negative value " + value); }//from w w w.j av a 2 s. co m String s = String.format(Locale.US, "%.8f", value); while (s.length() > 1 && (s.endsWith("0") || s.endsWith("."))) { s = (s.substring(0, s.length() - 1)); } return s; }
From source file:org.cryptomath.util.NumberUtil.java
public static String absorbFloats(String value) { String result;//from w w w . j a va 2 s. c om if (value.matches("[\\d]*.[\\d]*")) { logger.info("Absorbing floats"); BigDecimal bd = new BigDecimal(value); int f = CryptoConfigSpec.getInstance().getMathConfig().getFractions(); // logger.info("Absorbed value::check" + value); // logger.info("Absorbed value::check" + bd); bd = bd.multiply(new BigDecimal("10").pow(f)); // logger.info("Absorbed value::check" + bd); String[] tokens = bd.toString().split("\\."); result = tokens[0]; // result = truncate(value, f).toString(); logger.info("Absorbed value::check::" + result); } else { throw new NumberFormatException(MessageFormat.format("Invalid argument {0}", value)); } return result; }
From source file:Main.java
/** * Converts a String to an integer of base radix. * <br><br>/*from w w w . ja va2s .c o m*/ * String constraints are: * <li>Number must be less than 10 digits</li> * <li>Number must be positive</li> * @param s String representation of number * @param radix Number base to use * @return integer value of number * @throws NumberFormatException */ public static int parseInt(String s, int radix) throws NumberFormatException { int length = s.length(); if (length > 9) throw new NumberFormatException("Number can have maximum 9 digits"); int result = 0; int index = 0; int digit = Character.digit(s.charAt(index++), radix); if (digit == -1) throw new NumberFormatException("String contains non-digit"); result = digit; while (index < length) { result *= radix; digit = Character.digit(s.charAt(index++), radix); if (digit == -1) throw new NumberFormatException("String contains non-digit"); result += digit; } return result; }
From source file:Main.java
/** * This function decodes a base 2 string into its corresponding byte array. * * @param base2 The base 2 encoded string. * @return The corresponding byte array. *///w ww. ja va 2 s. c om static public byte[] decode(String base2) { String string = base2.replaceAll("\\s", ""); // remove all white space int length = string.length(); byte[] bytes = new byte[(int) Math.ceil(length / 8)]; for (int i = 0; i < bytes.length; i++) { int b = 0; for (int j = 0; j < 8; j++) { char character = string.charAt(i * 8 + j); int bit = lookupTable.indexOf(character); if (bit < 0) throw new NumberFormatException("Attempted to decode a string that is not base 2: " + string); b = (b << 1) | bit; } bytes[i] = (byte) b; } return bytes; }
From source file:org.ScripterRon.BitcoinMonitor.Utils.java
/** * Parse a hex string and return the decoded bytes * * @param hex String to parse * @return Decoded bytes * @throws NumberFormatException String contains an invalid hex character *//*from w w w . j a va2 s . co m*/ public static byte[] parseHexString(String hex) throws NumberFormatException { if ((hex.length() & 0x01) == 1) throw new NumberFormatException("Hex string length is not a multiple of 2"); byte[] bytes = new byte[hex.length() / 2]; for (int i = 0; i < bytes.length; i++) { int char1 = hex.charAt(i * 2); char1 = (char1 > 0x60 ? char1 - 0x57 : char1 - 0x30); int char2 = hex.charAt(i * 2 + 1); char2 = (char2 > 0x60 ? char2 - 0x57 : char2 - 0x30); if (char1 < 0 || char2 < 0 || char1 > 15 || char2 > 15) throw new NumberFormatException("Invalid hex number: " + hex); bytes[i] = (byte) ((char1 << 4) + char2); } return bytes; }
From source file:Main.java
public static long prefixCodedToLong(final String prefixCoded) { final int shift = prefixCoded.charAt(0) - SHIFT_START_LONG; if (shift > 63 || shift < 0) throw new NumberFormatException( "Invalid shift value in prefixCoded string (is encoded value really a LONG?)"); long sortableBits = 0L; for (int i = 1, len = prefixCoded.length(); i < len; i++) { sortableBits <<= 7;/*from w w w . j a v a2 s .co m*/ final char ch = prefixCoded.charAt(i); if (ch > 0x7f) { throw new NumberFormatException("Invalid prefixCoded numerical value representation (char " + Integer.toHexString(ch) + " at position " + i + " is invalid)"); } sortableBits |= ch; } return (sortableBits << shift) ^ 0x8000000000000000L; }
From source file:Main.java
public static String formatValue(long value) throws NumberFormatException { if (value < 0) { throw new NumberFormatException("Negative value " + value); }/*from w w w . j a v a2s. c om*/ StringBuilder sb = new StringBuilder(Long.toString(value)); while (sb.length() <= 8) { sb.insert(0, '0'); } sb.insert(sb.length() - 8, '.'); while (sb.length() > 1 && (sb.charAt(sb.length() - 1) == '0' || sb.charAt(sb.length() - 1) == '.')) { sb.setLength(sb.length() - 1); } return sb.toString(); }
From source file:com.rackspacecloud.blueflood.utils.Util.java
public static Collection<Integer> parseShards(String s) { ArrayList<Integer> list = new ArrayList<Integer>(); if ("ALL".equalsIgnoreCase(s)) { for (int i = 0; i < Constants.NUMBER_OF_SHARDS; i++) list.add(i);// w w w .j av a 2s . com } else if ("NONE".equalsIgnoreCase(s)) { return list; } else { for (String part : s.split(",", -1)) { int i = Integer.parseInt(part.trim()); if (i >= Constants.NUMBER_OF_SHARDS || i < 0) throw new NumberFormatException("Invalid shard identifier: " + part.trim()); list.add(i); } } return list; }
From source file:com.pokercompany.stringcalc.StringCalculator.java
public int add(String numbers) throws Exception { if (numbers == null) { throw new NullPointerException(); }/* w w w.j a v a2 s. c o m*/ if (numbers.equals("")) { return 0; } if (!numbers.matches("-?[0-9]+([" + separator + "]-?[0-9]+)*[" + separator + "]?")) { throw new NumberFormatException("Bad character(s) in input string: " + numbers); } List<String> numbersList = Arrays.asList(numbers.split("(?<!\\" + separator + ")[" + separator + "]")); List<String> negativeNumbers = StringCalcUtil.getListWherePatternMatches(numbersList, "[-][0-9]+"); if (negativeNumbers.size() > 0) { throw new Exception("Negative not allowed: " + StringUtils.join(negativeNumbers.iterator(), ",")); } int sum = 0; for (String stringNumber : numbersList) { sum += Integer.valueOf(stringNumber); } return sum; }
From source file:org.cryptomath.util.NumberUtil.java
public static String spillFloats(String value, final int pTimes) { String result;// ww w. jav a2 s. c o m if (value.matches("[\\d]*")) { BigDecimal bd = new BigDecimal(value); int f = CryptoConfigSpec.getInstance().getMathConfig().getFractions(); bd = bd.divide(new BigDecimal("10").pow(f * pTimes)); result = bd.toString(); } else { throw new NumberFormatException(MessageFormat.format("Invalid argument {0}", value)); } return result; }