| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999, 2000 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; |
| |
| /** |
| * Validator for <gMonth> datatype (W3C Schema Datatypes) |
| * |
| * @author Elena Litani |
| * @author Gopal Sharma, SUN Microsystem Inc. |
| * |
| * @version $Id$ |
| */ |
| |
| 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 parse(content, null); |
| } catch(Exception ex){ |
| throw new InvalidDatatypeValueException("not a valid month"); |
| } |
| } |
| |
| /** |
| * 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 Exception Invalid lexical representation |
| */ |
| protected int[] parse(String str, int[] date) throws SchemaDateTimeException{ |
| |
| //REVISIT: change --MM-- to --MM |
| resetBuffer(str); |
| |
| //create structure to hold an object |
| if ( date== null ) { |
| date=new int[TOTAL_SIZE]; |
| } |
| resetDateObj(date); |
| |
| //set constants |
| date[CY]=YEAR; |
| date[D]=DAY; |
| if (fBuffer.charAt(0)!='-' || fBuffer.charAt(1)!='-') { |
| throw new SchemaDateTimeException("Invalid format for gMonth: "+str); |
| } |
| int stop = fStart +4; |
| date[M]=parseInt(fStart+2,stop); |
| |
| if (fBuffer.charAt(stop++)!='-' || fBuffer.charAt(stop)!='-') { |
| throw new SchemaDateTimeException("Invalid format for gMonth: "+str); |
| } |
| if ( MONTH_SIZE<fEnd ) { |
| int sign = findUTCSign(MONTH_SIZE, fEnd); |
| if ( sign<0 ) { |
| throw new SchemaDateTimeException ("Error in month parsing: "+str); |
| } |
| else { |
| getTimeZone(date, sign); |
| } |
| } |
| //validate and normalize |
| validateDateTime(date); |
| |
| if ( date[utc]!=0 && date[utc]!='Z' ) { |
| normalize(date); |
| } |
| 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 |
| */ |
| 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) { |
| |
| message.setLength(0); |
| message.append('-'); |
| message.append('-'); |
| message.append(date[M]); |
| message.append('-'); |
| message.append('-'); |
| message.append((char)date[utc]); |
| return message.toString(); |
| } |
| |
| } |
