Example usage for org.apache.commons.lang Validate notNull

Introduction

In this page you can find the example usage for org.apache.commons.lang Validate notNull.

Prototype

public static void notNull(Object object)

Source Link

Document

Validate an argument, throwing IllegalArgumentException if the argument is null.

 Validate.notNull(myObject);

The message in the exception is 'The validated object is null'.

Usage

From source file:com.opengamma.maths.lowlevelapi.functions.iss.IsInf.java

/**
 * Walks through a vector looking for infinity regardless of sign, if one is found the routine returns TRUE. 
 * @param v the vector (with possible (+/-)Inf entries)
 * @return a boolean, TRUE if a (+/-)Inf is found in v, FALSE otherwise
 *//*from  w  ww.j  a v a 2  s  .  c  o  m*/
public static boolean any(double[] v) {
    Validate.notNull(v);
    boolean logical = false;
    final int len = v.length;
    for (int i = 0; i < len; i++) {
        if (v[i] == DOUBLEPINF || v[i] == DOUBLENINF) {
            logical = true;
            return logical;
        }
    }
    return logical;
}

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Abs.java

public static double[] stateless(double[] v) {
    Validate.notNull(v);
    final int n = v.length;
    double[] tmp = new double[n];
    for (int i = 0; i < n; i++) {
        tmp[i] = Math.abs(v[i]);//from www . j  a v a2  s. c  o m
    }
    return tmp;
}

From source file:bigbluej.ReflectionUtils.java

public static SortedMap<String, Object> getFieldsAndValuesInSortedMap(Object object)
        throws IllegalAccessException {
    Validate.notNull(object);
    SortedMap<String, Object> fieldAndValues = new TreeMap<>();
    for (Field field : object.getClass().getDeclaredFields()) {
        field.setAccessible(true);//from w  w  w. jav a2s . c om
        String name = field.getName();
        Object value = field.get(object);
        if (!field.isSynthetic() && value != null) {
            fieldAndValues.put(name, value);
        }
    }
    return fieldAndValues;
}

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Permute.java

private static void inputValidator(int[] v, int[] p) {
    Validate.notNull(v);
    Validate.notNull(p);/*from www . j a  v a2s  .  c o m*/
    assertTrue("Permutation is of length: " + p.length + " whereas vector is of length " + v.length
            + ". Permutation is therefore impossible.", v.length == p.length); // shortcut costly parse tests if vectors are not the same length
    assertTrue("Permutation contains indices with impossible range (too large)", Max.value(p) < v.length); // make sure the permutation won't go out of range.
    assertTrue("Permutation doesn't contain index 0", Min.value(p) == 0); // make sure the permutation won't go out of range, also catches -ve indices
    assertTrue("Permutation is nonunique (some indices are repeated)", Unique.bitwise(p).length == p.length); // make sure the permutation is a valid permutation.
}

From source file:ar.com.zauber.commons.web.transformation.utils.WebValidate.java

/**
 * Valida que la URI termine con / y que no sea nula sino 
 * lanza una excepcion.//ww  w  .  j  a  v a  2  s  .  c o m
 * 
 * @param uri URI a validar.
 */
public static void uriNotNull(final String uri) {
    Validate.notNull(uri);
    uriWellFormed(uri);
}

From source file:com.stealthyone.mcb.stbukkitlib.utils.TimeUtils.java

public static String translateSeconds(int seconds, TimeFormat format) {
    Validate.notNull(format);
    if (seconds < 0)
        throw new IllegalArgumentException("Seconds cannot be negative! (" + seconds + ")");
    StringBuilder returnString = new StringBuilder();
    int minutes = seconds / 60;
    seconds = seconds - minutes * 60;/*from   w ww.j a v  a 2s  .c om*/
    int hours = minutes / 60;
    minutes = minutes - hours * 60;
    int days = hours / 24;
    hours = hours - days * 24;

    if (format == TimeFormat.LONG) {
        if (days > 0) {
            returnString.append(days).append(days == 1 ? " day" : " days");
        }
        if (hours > 0) {
            if (days > 0)
                returnString.append(" ");
            returnString.append(hours).append(hours == 1 ? " hour" : " hours");
        }
        if (minutes > 0) {
            if (hours > 0)
                returnString.append(" ");
            returnString.append(minutes).append(minutes == 1 ? " minute" : " minutes");
        }
        if (seconds > 0 || seconds == 0 && minutes == 0 && hours == 0 && days == 0) {
            if (minutes > 0)
                returnString.append(" ");
            returnString.append(seconds).append(seconds == 1 ? " second" : " seconds");
        }

    } else if (format == TimeFormat.SHORT) {
        if (days > 0) {
            returnString.append(Integer.toString(days).length() == 1 ? "0" : "" + days);
        }
        if (hours > 0) {
            if (days > 0)
                returnString.append(":");
            returnString.append(Integer.toString(hours).length() == 1 ? "0" : "" + hours);
        }

        if (hours > 0)
            returnString.append(":");
        returnString.append(Integer.toString(minutes).length() == 1 ? "0" : "" + minutes);

        if (minutes > 0)
            returnString.append(":");
        returnString.append(Integer.toString(seconds).length() == 1 ? "0" : "" + seconds);
    }

    return returnString.toString();
}

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Sort.java

/**
 * Sorts values statelessly in ascending order
 * @param v1 the values to sort (a native backed array)
 * @return tmp the sorted values/*  w  w w  .ja  va  2s.c  o  m*/
 */
public static int[] stateless(int[] v1) {
    Validate.notNull(v1);
    int[] tmp = Arrays.copyOf(v1, v1.length);
    Arrays.sort(tmp);
    return tmp;
}

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Sum.java

/**
 * Sums over selected indices of a given vector
 * @param v the vector over which the sum will be undertaken
 * @param idx the indices to be included in the sum
 * @return the sum of dereferenced indices of vector v
 *///from w w w. j a  v  a  2 s  .  c  om
public static double overIndices(double[] v, int[] idx) {
    Validate.notNull(v);
    Validate.notNull(idx);
    final int n = v.length;
    Validate.isTrue(Max.value(idx) < n, "Index out of range. Max of indexes is " + Max.value(idx)
            + " whereas vector to dereference is length " + n);
    Validate.isTrue(Min.value(idx) > -1, "Negative index dereference requested on vector");
    double tmp = 0;
    final int idxn = idx.length;
    for (int i = 0; i < idxn; i++) {
        tmp += v[idx[i]];
    }
    return tmp;
}

From source file:com.opengamma.maths.lowlevelapi.functions.utilities.Reverse.java

/**
 * Reverses a vector in place/*from  w  w  w  . j  a  v a 2s.c  om*/
 * @param v1 the vector to be reversed
 */
public static void inPlace(float[] v1) {
    Validate.notNull(v1);
    float tmp;
    final int half = v1.length / 2;
    final int len = v1.length - 1;
    for (int i = 0; i < half; i++) {
        tmp = v1[len - i];
        v1[len - i] = v1[i];
        v1[i] = tmp;
    }
}

From source file:com.opengamma.maths.lowlevelapi.functions.iss.IsNaN.java

/**
 * Walks through a vector looking for NaN's and sets the index of a corresponding boolean vector to TRUE if a NaN is found.
 * @param v the vector (with possible NaN entries)
 * @return a boolean vector, true or false depending on whether a NaN is found in the input vector (true = NaN found at position). 
 *//*from  w w w  . j av a2 s .c  om*/
public static boolean[] getBooleans(double[] v) {
    Validate.notNull(v);
    final int len = v.length;
    boolean[] logical = new boolean[len];
    for (int i = 0; i < len; i++) {
        if (v[i] != v[i]) {
            logical[i] = true;
        }
    }
    return logical;
}