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Java example source code file (MonthDayDV.java)

This example Java source code file (MonthDayDV.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractdatetimedv, datetimedata, error, invalid, invaliddatatypevalueexception, monthday_size, monthdaydv, object, schemadatetimeexception, stringbuffer, validationcontext, xmlgregoriancalendar

The MonthDayDV.java Java example source code

/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
/*
 * Copyright 1999-2002,2004,2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.impl.dv.xs;

import javax.xml.datatype.DatatypeConstants;
import javax.xml.datatype.XMLGregorianCalendar;

import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;

/**
 * Validator for <gMonthDay> datatype (W3C Schema Datatypes)
 *
 * @xerces.internal
 *
 * @author Elena Litani
 * @author Gopal Sharma, SUN Microsystem Inc.
 *
 * @version $Id: MonthDayDV.java,v 1.7 2010-11-01 04:39:47 joehw Exp $
 */

public class MonthDayDV extends AbstractDateTimeDV {

    //size without time zone: --MM-DD
    private final static int MONTHDAY_SIZE = 7;

    /**
     * Convert a string to a compiled form
     *
     * @param  content The lexical representation of gMonthDay
     * @return a valid and normalized gMonthDay object
     */
    public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException {
        try{
            return parse(content);
        } catch(Exception ex){
            throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "gMonthDay"});
        }
    }

    /**
     * Parses, validates and computes normalized version of gMonthDay object
     *
     * @param str    The lexical representation of gMonthDay object --MM-DD
     *               with possible time zone Z or (-),(+)hh:mm
     * @return normalized date representation
     * @exception SchemaDateTimeException Invalid lexical representation
     */
    protected DateTimeData parse(String str) throws SchemaDateTimeException{
        DateTimeData date = new DateTimeData(str, this);
        int len = str.length();

        //initialize
        date.year=YEAR;

        if (str.charAt(0)!='-' || str.charAt(1)!='-') {
            throw new SchemaDateTimeException("Invalid format for gMonthDay: "+str);
        }
        date.month=parseInt(str, 2, 4);
        int start=4;

        if (str.charAt(start++)!='-') {
            throw new SchemaDateTimeException("Invalid format for gMonthDay: " + str);
        }

        date.day=parseInt(str, start, start+2);

        if ( MONTHDAY_SIZE<len ) {
            if (!isNextCharUTCSign(str, MONTHDAY_SIZE, len)) {
                throw new SchemaDateTimeException ("Error in month parsing:" +str);
            }
            else {
                getTimeZone(str, date, MONTHDAY_SIZE, len);
            }
        }
        //validate and normalize

        validateDateTime(date);

        //save unnormalized values
        saveUnnormalized(date);

        if ( date.utc!=0 && date.utc!='Z' ) {
            normalize(date);
        }
        date.position = 1;
        return date;
    }

    /**
     * Converts gMonthDay object representation to String
     *
     * @param date   gmonthDay object
     * @return lexical representation of month: --MM-DD with an optional time zone sign
     */
    protected String dateToString(DateTimeData date) {
        StringBuffer message = new StringBuffer(8);
        message.append('-');
        message.append('-');
        append(message, date.month, 2);
        message.append('-');
        append(message, date.day, 2);
        append(message, (char)date.utc, 0);
        return message.toString();
    }

    protected XMLGregorianCalendar getXMLGregorianCalendar(DateTimeData date) {
        return datatypeFactory.newXMLGregorianCalendar(DatatypeConstants.FIELD_UNDEFINED, date.unNormMonth, date.unNormDay,
                DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
                DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED,
                date.hasTimeZone() ? date.timezoneHr * 60 + date.timezoneMin : DatatypeConstants.FIELD_UNDEFINED);
    }
}

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