- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999-2002 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;
-
- /**
- * Validator for <gMonth> datatype (W3C Schema Datatypes)
- *
- * @author Elena Litani
- * @author Gopal Sharma, SUN Microsystem Inc.
- *
- * @version $Id: MonthDV.java,v 1.9 2003/01/16 18:34:04 sandygao Exp $
- */
-
- public class MonthDV extends AbstractDateTimeDV {
-
- /**
- * Convert a string to a compiled form
- *
- * @param content The lexical representation of gMonth
- * @return a valid and normalized gMonth object
- */
- public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException{
- try{
- return new DateTimeData(parse(content), this);
- } catch(Exception ex){
- throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "gMonth"});
- }
- }
-
- /**
- * Parses, validates and computes normalized version of gMonth object
- *
- * @param str The lexical representation of gMonth object --MM
- * with possible time zone Z or (-),(+)hh:mm
- * @param date uninitialized date object
- * @return normalized date representation
- * @exception SchemaDateTimeException Invalid lexical representation
- */
- protected int[] parse(String str) throws SchemaDateTimeException{
- int len = str.length();
- int[] date=new int[TOTAL_SIZE];
- int[] timeZone = new int[2];
-
- //set constants
- date[CY]=YEAR;
- date[D]=DAY;
- if (str.charAt(0)!='-' || str.charAt(1)!='-') {
- throw new SchemaDateTimeException("Invalid format for gMonth: "+str);
- }
- int stop = 4;
- date[M]=parseInt(str,2,stop);
-
- // REVISIT: allow both --MM and --MM-- now.
- // need to remove the following 4 lines to disallow --MM--
- // when the errata is offically in the rec.
- if (str.length() >= stop+2 &&
- str.charAt(stop) == '-' && str.charAt(stop+1) == '-') {
- stop += 2;
- }
- if (stop < len) {
- int sign = findUTCSign(str, stop, len);
- if ( sign<0 ) {
- throw new SchemaDateTimeException ("Error in month parsing: "+str);
- }
- else {
- getTimeZone(str, date, sign, len, timeZone);
- }
- }
- //validate and normalize
- validateDateTime(date, timeZone);
-
- if ( date[utc]!=0 && date[utc]!='Z' ) {
- normalize(date, timeZone);
- }
- return date;
- }
-
- /**
- * Overwrite compare algorithm to optimize month comparison
- *
- * REVISIT: this one is lack of the third parameter: boolean strict, so it
- * doesn't override the method in the base. But maybe this method
- * is not correctly implemented, and I did encounter errors when
- * trying to add the extra parameter. I'm leaving it as is. -SG
- *
- * @param date1
- * @param date2
- * @return less, greater, equal, indeterminate
- */
- protected short compareDates(int[] date1, int[] date2) {
-
- if ( date1[utc]==date2[utc] ) {
- return (short)((date1[M]>=date2[M])?(date1[M]>date2[M])?1:0:-1);
- }
-
- if ( date1[utc]=='Z' || date2[utc]=='Z' ) {
-
- if ( date1[M]==date2[M] ) {
- //--05--Z and --05--
- return INDETERMINATE;
- }
- if ( (date1[M]+1 == date2[M] || date1[M]-1 == date2[M]) ) {
- //--05--Z and (--04-- or --05--)
- //REVISIT: should this case be less than or equal?
- // maxExclusive should fail but what about maxInclusive
- //
- return INDETERMINATE;
- }
- }
-
- if ( date1[M]<date2[M] ) {
- return -1;
- }
- else {
- return 1;
- }
-
- }
-
- /**
- * Converts month object representation to String
- *
- * @param date month object
- * @return lexical representation of month: --MM with an optional time zone sign
- */
- protected String dateToString(int[] date) {
- StringBuffer message = new StringBuffer(5);
- message.append('-');
- message.append('-');
- append(message, date[M], 2);
- append(message, (char)date[utc], 0);
- return message.toString();
- }
-
- }