/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001, 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 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 end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.impl.dv.xs;
import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
/**
* All primitive types plus ID/IDREF/ENTITY/INTEGER are derived from this abstract
* class. It provides extra information XSSimpleTypeDecl requires from each
* type: allowed facets, converting String to actual value, check equality,
* comparison, etc.
*
* @author Neeraj Bajaj, Sun Microsystems, inc.
* @author Sandy Gao, IBM
*
* @version $Id: TypeValidator.java,v 1.5 2002/11/18 23:10:10 sandygao Exp $
*/
public abstract class TypeValidator {
// which facets are allowed for this type
public abstract short getAllowedFacets();
// convert a string to an actual value. for example,
// for number types (decimal, double, float, and types derived from them),
// get the BigDecimal, Double, Flout object.
// for some types (string and derived), they just return the string itself
public abstract Object getActualValue(String content, ValidationContext context)
throws InvalidDatatypeValueException;
// for ID/IDREF/ENTITY types, do some extra checking after the value is
// checked to be valid with respect to both lexical representation and
// facets
public void checkExtraRules(Object value, ValidationContext context) throws InvalidDatatypeValueException {
}
// the following methods might not be supported by every DV.
// but XSSimpleTypeDecl should know which type supports which methods,
// and it's an *internal* error if a method is called on a DV that
// doesn't support it.
//order constants
public static final short LESS_THAN = -1;
public static final short EQUAL = 0;
public static final short GREATER_THAN = 1;
public static final short INDETERMINATE = 2;
// check the order relation between the two values
// the parameters are in compiled form (from getActualValue)
public int compare(Object value1, Object value2) {
return -1;
}
// get the length of the value
// the parameters are in compiled form (from getActualValue)
public int getDataLength(Object value) {
return (value instanceof String) ? ((String)value).length() : -1;
}
// get the number of digits of the value
// the parameters are in compiled form (from getActualValue)
public int getTotalDigits(Object value) {
return -1;
}
// get the number of fraction digits of the value
// the parameters are in compiled form (from getActualValue)
public int getFractionDigits(Object value) {
return -1;
}
// check whether the character is in the range 0x30 ~ 0x39
public static final boolean isDigit(char ch) {
return ch >= '0' && ch <= '9';
}
// if the character is in the range 0x30 ~ 0x39, return its int value (0~9),
// otherwise, return -1
public static final int getDigit(char ch) {
return isDigit(ch) ? ch - '0' : -1;
}
} // interface TypeValidator
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