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DatatypeAPIUsage.javaAPI DocApache Xerces 3.0.14652Fri Sep 14 20:33:58 BST 2007jaxp

DatatypeAPIUsage

public class DatatypeAPIUsage extends Object

A sample which demonstrates usage of the JAXP 1.3 Datatype API.

version
$Id: DatatypeAPIUsage.java 447685 2006-09-19 02:37:49Z mrglavas $

Fields Summary
Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)

        try {
            DatatypeFactory df = DatatypeFactory.newInstance();
            // my work number in milliseconds:
            Duration myPhone = df.newDuration(9054133519l);
            Duration myLife = df.newDuration(true, 29, 2, 15, 13, 45, 0);
            int compareVal = myPhone.compare(myLife);
            switch (compareVal) {
                case DatatypeConstants.LESSER:
                    System.out.println("There are fewer milliseconds in my phone number than my lifespan.");
                    break;
                case DatatypeConstants.EQUAL:
                    System.out.println("The same number of milliseconds are in my phone number and my lifespan.");
                    break;
                case DatatypeConstants.GREATER:
                    System.out.println("There are more milliseconds in my phone number than my lifespan.");
                    break;
                case DatatypeConstants.INDETERMINATE:
                    System.out.println("The comparison could not be carried out.");
            }
            
            // create a yearMonthDuration
            Duration ymDuration = df.newDurationYearMonth("P12Y10M");
            System.out.println("P12Y10M is of type: " + ymDuration.getXMLSchemaType());
            
            // create a dayTimeDuration (really this time)
            Duration dtDuration = df.newDurationDayTime("P10DT10H12M0S");
            System.out.println("P10DT10H12M0S is of type: " + dtDuration.getXMLSchemaType());
            
            // try to fool the factory!
            try {
                ymDuration = df.newDurationYearMonth("P12Y10M1D");
            }
            catch(IllegalArgumentException e) {
                System.out.println("'duration': P12Y10M1D is not 'yearMonthDuration'!!!");
            }
            
            XMLGregorianCalendar xgc = df.newXMLGregorianCalendar();
            xgc.setYear(1975);
            xgc.setMonth(DatatypeConstants.AUGUST);
            xgc.setDay(11);
            xgc.setHour(6);
            xgc.setMinute(44);
            xgc.setSecond(0);
            xgc.setMillisecond(0);
            xgc.setTimezone(5);
            xgc.add(myPhone);
            System.out.println("The approximate end of the number of milliseconds in my phone number was " + xgc);
            
            //adding a duration to XMLGregorianCalendar
            xgc.add(myLife);
            System.out.println("Adding the duration myLife to the above calendar:" + xgc);
            
            // create a new XMLGregorianCalendar using the string format of xgc.
            XMLGregorianCalendar xgcCopy = df.newXMLGregorianCalendar(xgc.toXMLFormat());
            
            // should be equal-if not what happened!!
            if (xgcCopy.compare(xgc) != DatatypeConstants.EQUAL) {
                System.out.println("oooops!");
            }
            else {
                System.out.println("Very good: " + xgc +  " is equal to " + xgcCopy);
            }
        }
        catch (DatatypeConfigurationException dce) {
            System.err.println("error: Datatype error occurred - " + dce.getMessage());
            dce.printStackTrace(System.err);
        }