org.exolab.castor.xml.validators.IntegerValidator Maven / Gradle / Ivy
Show all versions of castor-xml Show documentation
/*
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices. Redistributions
* must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided with
* the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
* without prior written permission of Intalio, Inc. For written permission, please contact
* [email protected].
*
* 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
* their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
* Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999-2003 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.validators;
import java.text.MessageFormat;
import org.castor.xml.XMLProperties;
import org.exolab.castor.xml.TypeValidator;
import org.exolab.castor.xml.ValidationContext;
import org.exolab.castor.xml.ValidationException;
/**
* The Integer Validation class. This class handles validation for the primitive long
* and java.lang.Long types as well as all xsd:integer-derived types such as
* positive-integer and negative-integer
*
* @author Keith Visco
* @version $Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
*/
public class IntegerValidator extends PatternValidator implements TypeValidator {
/** If true, we perform "minimum value" validation. */
private boolean _useMin = false;
/** If true, we perform "maximum value" validation. */
private boolean _useMax = false;
/** If true, we perform "fixed" validation. */
private boolean _useFixed = false;
/** Minimum value (inclusive) for this long. (Not used unless _useMin == true.) */
private long _min = 0;
/** Maximum value (inclusive) for this long. (Not used unless _useMax == true.) */
private long _max = 0;
/** Maximum number of digits in this long. (Not applied if < 0.) */
private int _totalDigits = -1;
/** Fixed value of this long. (Not used unless _useFixed == true.) */
private long _fixed = 0;
/**
* Creates a new IntegerValidator with no restrictions.
*/
public IntegerValidator() {
super();
}
/**
* Clears the fixed value for this IntegerValidator.
*/
public void clearFixed() {
_useFixed = false;
}
/**
* Clears the maximum value for this IntegerValidator.
*/
public void clearMax() {
_useMax = false;
}
/**
* Clears the minimum value for this IntegerValidator.
*/
public void clearMin() {
_useMin = false;
}
/**
* Returns the configured fixed value for Integer validation. Returns null if no fixed value has
* been configured.
*
* @return the fixed value to validate against.
*/
public Long getFixed() {
if (_useFixed) {
return Long.valueOf(_fixed);
}
return null;
}
/**
* Returns the configured maximum value for xsd:integer validation. Returns null if no maximum has
* been configured.
*
* @return the maximum (inclusive) value to validate against.
*/
public Long getMaxInclusive() {
if (_useMax) {
return Long.valueOf(_max);
}
return null;
}
/**
* Returns the configured minimum value for xsd:integer validation. Returns null if no minimum has
* been configured.
*
* @return the minimum (inclusive) value to validate against.
*/
public Long getMinInclusive() {
if (_useMin) {
return Long.valueOf(_min);
}
return null;
}
/**
* Returns the configured maximum number of digits (inclusive) for xsd:integer validation. Returns
* null if no maximum number of digits has been configured.
*
* @return the maximum number of digits to validate against.
*/
public Integer getTotalDigits() {
if (_totalDigits >= 0) {
return Integer.valueOf(_totalDigits);
}
return null;
}
/**
* Returns true if a fixed value to validate against has been set.
*
* @return true if a fixed value has been set.
*/
public boolean hasFixed() {
return _useFixed;
}
/**
* Sets the fixed value that integers validated with this validated must be equal to.
*
* NOTE: Using Fixed values takes preceedence over using max and mins, and is really the same as
* setting both max-inclusive and min-inclusive to the same value
*
* @param fixedValue the fixed value an integer validated with this validator must be equal to.
*/
public void setFixed(final long fixedValue) {
_useFixed = true;
this._fixed = fixedValue;
}
/**
* Sets the fixed value that integers validated with this validated must be equal to.
*
* NOTE: Using Fixed values takes preceedence over using max and mins, and is really the same as
* setting both max-inclusive and min-inclusive to the same value
*
* Added for backward compatibility with old <xs:integer> implementation.
*
* @param fixedValue the fixed value an integer validated with this validator must be equal to.
*/
public void setFixed(final int fixedValue) {
_useFixed = true;
this._fixed = fixedValue;
}
/**
* Sets the fixed value for xsd:Integer validation.
*
* NOTE: If maximum and/or minimum values have been set and the fixed value is not within that
* max/min range, then no xsd:Integer will pass validation. This is as according to the XML Schema
* spec.
*
* @param fixedValue the fixed value that a xsd:Integer validated with this validator must be
* equal to.
*/
public void setFixed(final Long fixedValue) {
_useFixed = true;
this._fixed = fixedValue.intValue();
}
/**
* Sets the minimum (exclusive) value for xsd:integer validation. To pass validation, an
* xsd:Integer must be greater than this value.
*
* @param minValue the minimum (exclusive) value for xsd:Integer validation.
*/
public void setMinExclusive(final long minValue) {
_useMin = true;
_min = minValue + 1;
}
/**
* Sets the minimum (exclusive) value for xsd:integer validation. To pass validation, an
* xsd:Integer must be greater than this value.
*
* Added for backward compatibility with old <xs:integer> implementation.
*
* @param minValue the minimum (exclusive) value for xsd:Integer validation.
*/
public void setMinExclusive(final int minValue) {
_useMin = true;
_min = minValue + 1;
}
/**
* Sets the minimum (inclusive) value for xsd:integer validation. To pass validation, an
* xsd:integer must be greater than or equal to this value.
*
* @param minValue the minimum (inclusive) value for xsd:integer validation.
*/
public void setMinInclusive(final long minValue) {
_useMin = true;
_min = minValue;
}
/**
* Sets the minimum (inclusive) value for xsd:integer validation. To pass validation, an
* xsd:integer must be greater than or equal to this value.
*
* Added for backward compatibility with old <xs:integer> implementation.
*
* @param minValue the minimum (inclusive) value for xsd:integer validation.
*/
public void setMinInclusive(final int minValue) {
_useMin = true;
_min = minValue;
}
/**
* Sets the maximum (exclusive) value for xsd:integer validation. To pass validation, a
* xsd:integer must be less than this value.
*
* @param maxValue the maximum (exclusive) value for xsd:integer validation.
*/
public void setMaxExclusive(final long maxValue) {
_useMax = true;
_max = maxValue - 1;
}
/**
* Sets the maximum (exclusive) value for xsd:integer validation. To pass validation, a
* xsd:integer must be less than this value.
*
* Added for backward compatibility with old <xs:integer> implementation.
*
* @param maxValue the maximum (exclusive) value for xsd:integer validation.
*/
public void setMaxExclusive(final int maxValue) {
_useMax = true;
_max = maxValue - 1;
}
/**
* Sets the maximum (inclusive) value for xsd:integer validation. To pass validation, a
* xsd:integer must be less than or equal to this value.
*
* @param maxValue the maximum (inclusive) value for xsd:integer validation.
*/
public void setMaxInclusive(final long maxValue) {
_useMax = true;
_max = maxValue;
}
/**
* Sets the maximum (inclusive) value for xsd:integer validation. To pass validation, a
* xsd:integer must be less than or equal to this value.
*
* Added for backward compatibility with old <xs:integer> implementation.
*
* @param maxValue the maximum (inclusive) value for xsd:integer validation.
*/
public void setMaxInclusive(final int maxValue) {
_useMax = true;
_max = maxValue;
}
/**
* Sets the maximum number of digits for xsd:integer validation. To pass validation, a xsd:integer
* must have this many digits or fewer. Leading zeros are not counted.
*
* @param totalDig the maximum (inclusive) number of digits for xsd:integer validation. (must be >
* 0)
*/
public void setTotalDigits(final int totalDig) {
if (totalDig <= 0) {
throw new IllegalArgumentException(
"IntegerValidator: the totalDigits facet must be positive");
}
_totalDigits = totalDig;
}
/**
* Validates the given Object.
*
* @param value the long to validate
* @param context the ValidationContext
* @throws ValidationException if the object fails validation.
*/
public void validate(final long value, final ValidationContext context)
throws ValidationException {
if (_useFixed && value != _fixed) {
String err =
MessageFormat.format(resourceBundle.getString("integerValidator.error.not.fixed.value"),
new Object[] {"long", value, _fixed});
throw new ValidationException(err);
}
if (_useMin && value < _min) {
String err =
MessageFormat.format(resourceBundle.getString("integerValidator.error.less.than.minimum"),
new Object[] {"long", value, _min});
throw new ValidationException(err);
}
if (_useMax && value > _max) {
String err = MessageFormat.format(
resourceBundle.getString("integerValidator.error.greater.than.maximum"),
new Object[] {"long", value, _min});
throw new ValidationException(err);
}
if (_totalDigits != -1) {
int length = Long.toString(value).length();
if (value < 0) {
length--;
}
if (length > _totalDigits) {
String err =
MessageFormat.format(resourceBundle.getString("integerValidator.error.too.many.digits"),
new Object[] {"long", value, _totalDigits});
throw new ValidationException(err);
}
}
if (hasPattern()) {
super.validate(Long.toString(value), context);
}
}
/**
* Validates the given Object.
*
* @param object the Object to validate
* @throws ValidationException if the object fails validation.
*/
public void validate(final Object object) throws ValidationException {
validate(object, (ValidationContext) null);
}
/**
* Validates the given Object.
*
* @param object the Object to validate
* @param context the ValidationContext
* @throws ValidationException if the object fails validation.
*/
public void validate(final Object object, final ValidationContext context)
throws ValidationException {
if (object == null) {
throw new ValidationException(resourceBundle.getString("integerValidator.error.null.object"));
}
long value = 0;
try {
value = ((Long) object).longValue();
} catch (Exception ex) {
String lenientProperty =
context.getInternalContext().getStringProperty(XMLProperties.LENIENT_INTEGER_VALIDATION);
if (Boolean.valueOf(lenientProperty).booleanValue()) {
try {
value = ((Integer) object).longValue();
} catch (Exception e) {
String err = MessageFormat.format(
resourceBundle.getString("integerValidator.error.wrong.class.lenient"),
new Object[] {object.getClass().getName()});
throw new ValidationException(err);
}
} else {
String err =
MessageFormat.format(resourceBundle.getString("integerValidator.error.wrong.class"),
new Object[] {object.getClass().getName()});
throw new ValidationException(err);
}
}
validate(value, context);
}
}