| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2001 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 org.apache.xerces.impl.dv.xs_new; |
| |
| import org.apache.xerces.impl.dv.InvalidDatatypeValueException; |
| import org.apache.xerces.impl.validation.ValidationContext; |
| |
| /** |
| * All primitive types plus ID/IDREF/ENTITY 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 $Id$ |
| */ |
| 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 { |
| } |
| |
| // whether two values are equal |
| // the parameters are in compiled form (from getActualValue) |
| public boolean isEqual(Object value1, Object value2) { |
| return value1.equals(value2); |
| } |
| |
| // 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; |
| } |
| |
| } // interface TypeValidator |