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*
* Copyright 2000-2003 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
* Date Author Changes
* 10/26/2000 Arnaud Blandin Created
*/
package org.exolab.castor.xml.validators;
import org.exolab.castor.xml.ValidationContext;
import org.exolab.castor.xml.ValidationException;
import org.exolab.castor.xml.TypeValidator;
import org.exolab.castor.types.Duration;
/**
* The Duration Validation class. This class handles validation for the Castor
* XML Schema duration type.
*
* @author <a href="mailto:visco@intalio.com">Keith Visco</a>
* @author <a href="mailto:blandin@intalio.com">Arnaud Blandin</a>
* @version $Revision$ $Date: 2003-03-03 02:57:21 -0700 (Mon, 03 Mar 2003) $
*/
public class DurationValidator extends PatternValidator implements TypeValidator {
/** Maximum allowed value (Inclusive) for a valid instance. (null if not set.) */
private Duration _maxInclusive;
/** Maximum allowed value (Exclusive) for a valid instance. (null if not set.) */
private Duration _maxExclusive;
/** Minimum allowed value (Inclusive) for a valid instance. (null if not set.) */
private Duration _minInclusive;
/** Minimum allowed value (Exclusive) for a valid instance. (null if not set.) */
private Duration _minExclusive;
/** Fixed value. If not null, a valid duration instance MUST have this value. */
private Duration _fixed;
/**
* No-arg constructor.
*/
public DurationValidator() {
super();
} //-- TimeDurationValidator
/**
* Clears the fixed value for this Duration.
*/
public void clearFixed() {
_fixed = null;
} // -- clearFixed
/**
* Clears the maximum value for this Duration.
*/
public void clearMax() {
_maxInclusive = null;
_maxExclusive = null;
} // -- clearMax
/**
* Clears the minimum value for this Duration.
*/
public void clearMin() {
_minInclusive = null;
_minExclusive = null;
} // -- clearMin
/**
* Returns the configured fixed value for Duration validation. Returns null
* if no fixed value has been configured.
*
* @return the fixed value to validate against.
*/
public Duration getFixed() {
return _fixed;
} // -- getFixed
/**
* Returns the configured inclusive maximum value for Duration validation.
* Returns null if no inclusive maximum has been configured.
*
* @return the inclusive maximum value to validate against.
*/
public Duration getMaxInclusive() {
return _maxInclusive;
} // -- getMaxInclusive
/**
* Returns the configured exclusive maximum value for Duration validation.
* Returns null if no exclusive maximum has been configured.
*
* @return the exclusive maximum value to validate against.
*/
public Duration getMaxExclusive() {
return _maxExclusive;
} // -- getMaxInclusive
/**
* Returns the configured inclusive minimum value for Duration validation.
* Returns null if no inclusive minimum has been configured.
*
* @return the inclusive minimum value to validate against.
*/
public Duration getMinInclusive() {
return _minInclusive;
} // -- getMinInclusive
/**
* Returns the configured exclusive minimum value for Duration validation.
* Returns null if no exclusive minimum has been configured.
*
* @return the exclusive minimum value to validate against.
*/
public Duration getMinExclusive() {
return _minExclusive;
} // -- getMinInclusive
/**
* 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 _fixed != null;
} // -- hasFixed
/**
* Sets the fixed value for Duration validation.
* <p>
* NOTE: If maximum and/or minimum values have been set and the fixed value
* is not within that max/min range, then no Duration will pass
* validation. This is as according to the XML Schema spec.
*
* @param fixedValue
* the fixed value that a Duration validated with this
* validator must be equal to.
*/
public void setFixed(final Duration fixedValue) {
_fixed = fixedValue;
}
/**
* Sets the minimum (exclusive) value for Duration validation. To pass
* validation, a Duration must be greater than this value.
*
* @param minValue
* the minimum (exclusive) value for Duration validation.
*/
public void setMinExclusive(final Duration minValue) {
_minExclusive = minValue;
_minInclusive = null;
} //-- setMinExclusive
/**
* Sets the minimum (inclusive) value for Duration validation. To pass
* validation, a Duration must be greater than or equal to this value.
*
* @param minValue
* the minimum (inclusive) value for Duration validation.
*/
public void setMinInclusive(final Duration minValue) {
_minInclusive = minValue;
_minExclusive = null;
} //-- setMinInclusive
/**
* Sets the maximum (exclusive) value for Duration validation. To pass
* validation, a Duration must be less than this value.
*
* @param maxValue
* the maximum (exclusive) value for Duration validation.
*/
public void setMaxExclusive(final Duration maxValue) {
_maxExclusive = maxValue;
_maxInclusive = null;
} //-- setMaxExclusive
/**
* Sets the maximum (inclusive) value for Duration validation. To pass
* validation, a Duration must be less than or equal to this value.
*
* @param maxValue
* the maximum (inclusive) value for Duration validation.
*/
public void setMaxInclusive(final Duration maxValue) {
_maxInclusive = maxValue;
_maxExclusive = null;
} //-- setMaxInclusive
/**
* Validate a duration instance.
* @param duration the duration to validate
* @throws ValidationException if the duration fails validation
*/
public void validate(final Duration duration) throws ValidationException {
validate(duration, (ValidationContext) null);
}
/**
* Validates a duration instance.
* @param duration the duration type to validate
* @param context the ValidationContext
* @throws ValidationException if the duration fails validation
*/
public void validate(final Duration duration, final ValidationContext context)
throws ValidationException {
boolean isThereMinInclusive = (_minInclusive != null);
boolean isThereMinExclusive = (_minExclusive != null);
boolean isThereMaxInclusive = (_maxInclusive != null);
boolean isThereMaxExclusive = (_maxExclusive != null);
if (isThereMinExclusive && isThereMinInclusive) {
throw new ValidationException("Both minInclusive and minExclusive are defined");
}
if (isThereMaxExclusive && isThereMaxInclusive) {
throw new ValidationException("Both maxInclusive and maxExclusive are defined");
}
if (_fixed != null && !duration.equal(_fixed)) {
String err = "Duration " + duration + " is not equal to the fixed value: " + _fixed;
throw new ValidationException(err);
}
if (isThereMinInclusive && _minInclusive.isGreater(duration)) {
String err = "Duration " + duration + " is less than the minimum allowed value: "
+ _minInclusive;
throw new ValidationException(err);
}
if (isThereMinExclusive && (_minExclusive.isGreater(duration)
|| duration.equals(_minExclusive))) {
String err = "Duration " + duration
+ " is less than or equal to the minimum exclusive value: " + _minExclusive;
throw new ValidationException(err);
}
if (isThereMaxInclusive && duration.isGreater(_maxInclusive)) {
String err = "Duration " + duration + " is greater than the maximum allowed value "
+ _maxInclusive;
throw new ValidationException(err);
}
if (isThereMaxExclusive && ((duration.isGreater(_maxExclusive))
|| duration.equals(_maxExclusive))) {
String err = "Duration " + duration
+ " is greater than or equal to the maximum exclusive value: " + _maxExclusive;
throw new ValidationException(err);
}
if (hasPattern()) {
super.validate(duration.toString(), context);
}
} //-- validate
/**
* 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);
} //-- validate
/**
* 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) {
String err = "durationValidator cannot validate a null object.";
throw new ValidationException(err);
}
if (object instanceof String) {
try {
Duration duration = Duration.parseDuration((String) object);
validate(duration, context);
return;
} catch (java.text.ParseException pe) {
String err = "String provided fails to parse into a Duration: " + (String) object;
throw new ValidationException(err, pe);
}
}
Duration value = null;
try {
value = (Duration) object;
} catch (Exception ex) {
String err = "Expecting a duration, received instead: " + object.getClass().getName();
throw new ValidationException(err);
}
validate(value, context);
} //-- validate
}