- /*
- * 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