Example usage for java.lang Number toString

Introduction

In this page you can find the example usage for java.lang Number toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:com.cinchapi.concourse.util.ConvertTest.java

@Test
public void testConvertLinkFromLongValue() {
    // A int/long that is wrapped between two at (@) symbols must always
    // convert to a Link
    Number number = Random.getLong();
    String value = MessageFormat.format("{0}{1}", "@", number.toString()); // must
                                                                           // use
                                                                           // number.toString()
                                                                           // so
                                                                           // comma
                                                                           // separators
                                                                           // are
                                                                           // not
                                                                           // added
                                                                           // to
                                                                           // the
                                                                           // output
    Link link = (Link) Convert.stringToJava(value);
    Assert.assertEquals(number.longValue(), link.longValue());
}

---

From source file:net.navasoft.madcoin.backend.model.controller.impl.ApplicationUserDataAccess.java

/**
 * Pre delete.//w ww .  jav  a 2s. co m
 * 
 * @param toDelete
 *            the to delete
 * @return the app users
 * @throws NonexistentEntityException
 *             the nonexistent entity exception
 * @throws IllegalOrphanException
 *             the illegal orphan exception
 * @since 2/09/2014, 09:31:39 PM
 */
@Override
public AppUsers preDelete(Number toDelete) throws NonexistentEntityException, IllegalOrphanException {
    AppUsers appUsers;
    try {
        appUsers = entityManager.getReference(AppUsers.class, toDelete);
    } catch (EntityNotFoundException enfe) {
        throw new NonexistentEntityException(
                "The appUsers with id " + toDelete.toString() + " no longer exists.", enfe);
    }
    List<String> illegalOrphanMessages = null;

    Collection<AppUserXStatus> statiRef = appUsers.getAppUserXStatusCollection();
    for (AppUserXStatus statRef : statiRef) {
        if (illegalOrphanMessages == null) {
            illegalOrphanMessages = new ArrayList<String>();
        }
        illegalOrphanMessages.add("This AppUsers (" + appUsers.toString()
                + ") cannot be destroyed since the AppUserXStatus " + statRef.toString()
                + " in its appUserXStatusCollection field has a non-nullable idUser field.");
    }
    Collection<EndUsers> endUsersRef = appUsers.getEndUsersCollection();
    for (EndUsers endUserRef : endUsersRef) {
        if (illegalOrphanMessages == null) {
            illegalOrphanMessages = new ArrayList<String>();
        }
        illegalOrphanMessages.add("This AppUsers (" + appUsers.toString()
                + ") cannot be destroyed since the EndUsers " + endUserRef.toString()
                + " in its endUsersCollection field has a non-nullable appUsers field.");
    }
    if (illegalOrphanMessages != null) {
        throw new IllegalOrphanException(illegalOrphanMessages);
    }
    return appUsers;
}

---

From source file:NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 *
 * @param number      the number to convert
 * @param targetClass the target class to convert to
 * @return the converted number//from w  w  w .j av  a2  s . c  o m
 * @throws IllegalArgumentException if the target class is not supported
 *                                  (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte
 * @see java.lang.Short
 * @see java.lang.Integer
 * @see java.lang.Long
 * @see java.math.BigInteger
 * @see java.lang.Float
 * @see java.lang.Double
 * @see java.math.BigDecimal
 */
public static Number convertNumberToTargetClass(Number number, Class targetClass)
        throws IllegalArgumentException {

    if (targetClass.isInstance(number)) {
        return number;
    } else if (targetClass.equals(Byte.class)) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.byteValue();
    } else if (targetClass.equals(Short.class)) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.shortValue();
    } else if (targetClass.equals(Integer.class)) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.intValue();
    } else if (targetClass.equals(Long.class)) {
        return number.longValue();
    } else if (targetClass.equals(Float.class)) {
        return number.floatValue();
    } else if (targetClass.equals(Double.class)) {
        return number.doubleValue();
    } else if (targetClass.equals(BigInteger.class)) {
        return BigInteger.valueOf(number.longValue());
    } else if (targetClass.equals(BigDecimal.class)) {
        // using BigDecimal(String) here, to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

---

From source file:com.aw.swing.mvp.validation.support.AWDefaultRulesSource.java

private void validateGreaterThanNumber(Object propertyValidator) {
    Number minValue = (Number) ((PropertyValidator) propertyValidator).getMinValue();
    BindingComponent inputComponent = ((PropertyValidator) propertyValidator).getBindingComponent();
    logger.info("validation " + inputComponent.getFieldName() + ": is greaterThan");
    Number valorCampo = (Number) inputComponent.getValue();
    if (valorCampo != null) {
        if (!(minValue.doubleValue() < valorCampo.doubleValue())) {
            throw new AWValidationException("sw.error.validate.greaterThan",
                    new Object[] { minValue.toString() }, Arrays.asList(new Object[] { inputComponent }));
        }/*from ww  w. ja v a2s . co m*/
    }
}

---

From source file:com.aw.swing.mvp.validation.support.AWDefaultRulesSource.java

private void validateGreaterThanEqualsNumber(Object propertyValidator) {
    Number minValue = (Number) ((PropertyValidator) propertyValidator).getMinValue();
    BindingComponent inputComponent = ((PropertyValidator) propertyValidator).getBindingComponent();
    logger.info("validation " + inputComponent.getFieldName() + ": is greaterThan");
    Number valorCampo = (Number) inputComponent.getValue();
    if (valorCampo != null) {
        if (!(minValue.doubleValue() <= valorCampo.doubleValue())) {
            throw new AWValidationException("sw.error.validate.greaterThan",
                    new Object[] { minValue.toString() }, Arrays.asList(new Object[] { inputComponent }));
        }//from   w w  w.j a v  a  2 s  . c o  m
    }
}

---

From source file:com.cinchapi.concourse.util.ConvertTest.java

@Test
public void testConvertLong() {
    Number number = null;
    while (number == null || (Long) number <= Integer.MAX_VALUE) {
        number = Random.getLong();
    }//from  w w w  . ja  v a 2 s.c  om
    String string = number.toString();
    Assert.assertEquals(number, Convert.stringToJava(string));
}

---

From source file:org.jactr.io.antlr3.misc.ASTSupport.java

/**
 * return a NUMBER wrapping this one ^(NUMBER)
 * /*from  w  ww .  j  ava2s  .  c  o m*/
 * @param num
 * @return
 */
public CommonTree number(Number num) {
    if (num == null)
        num = Double.NaN;
    return create(JACTRBuilder.NUMBER, num.toString());
}

---

From source file:com.jskaleel.xml.JSONObject.java

/**
 * Produce a string from a Number./*ww  w.  ja va 2  s .c  om*/
 *
 * @param number
 *            A Number
 * @return A String.
 * @throws JSONException
 *             If n is a non-finite number.
 */
public static String numberToString(Number number) throws JSONException {
    if (number == null) {
        throw new JSONException("Null pointer");
    }
    testValidity(number);

    // Shave off trailing zeros and decimal point, if possible.

    String string = number.toString();
    if (string.indexOf('.') > 0 && string.indexOf('e') < 0 && string.indexOf('E') < 0) {
        while (string.endsWith("0")) {
            string = string.substring(0, string.length() - 1);
        }
        if (string.endsWith(".")) {
            string = string.substring(0, string.length() - 1);
        }
    }
    return string;
}

---

From source file:org.dashbuilder.dataprovider.backend.sql.dialect.DefaultDialect.java

@Override
public String getNumberParameterSQL(Number param) {
    return param.toString();
}

---

From source file:NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 * @param number the number to convert//from  ww w . ja  va 2s .co  m
 * @param targetClass the target class to convert to
 * @return the converted number
 * @throws IllegalArgumentException if the target class is not supported
 * (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte
 * @see java.lang.Short
 * @see java.lang.Integer
 * @see java.lang.Long
 * @see java.math.BigInteger
 * @see java.lang.Float
 * @see java.lang.Double
 * @see java.math.BigDecimal
 */
public static Number convertNumberToTargetClass(Number number, Class targetClass)
        throws IllegalArgumentException {

    if (targetClass.isInstance(number)) {
        return number;
    } else if (targetClass.equals(Byte.class)) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Byte(number.byteValue());
    } else if (targetClass.equals(Short.class)) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Short(number.shortValue());
    } else if (targetClass.equals(Integer.class)) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return new Integer(number.intValue());
    } else if (targetClass.equals(Long.class)) {
        return new Long(number.longValue());
    } else if (targetClass.equals(Float.class)) {
        return new Float(number.floatValue());
    } else if (targetClass.equals(Double.class)) {
        return new Double(number.doubleValue());
    } else if (targetClass.equals(BigInteger.class)) {
        return BigInteger.valueOf(number.longValue());
    } else if (targetClass.equals(BigDecimal.class)) {
        // using BigDecimal(String) here, to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• »