tauzaman.calendar
Class CalendarRepository

java.lang.Object
  |
  +--tauzaman.calendar.CalendarRepository

public class CalendarRepository

extends java.lang.Object

CalendarRepository class manages a collection of Calendar(s). For example:

    CalendarRepository cr = new CalendarRepository();
    cr.loadCalendar(new URL("http://www.eecs.wsu.edu/greg.xml"));
 

See Also:

Calendar

Status:

design complete, implementation complete

Field Summary

private java.util.Hashtable

calendarCache Currently loaded Calendars in this CalendarRepository

Constructor Summary

CalendarRepository()
Constructs a CalendarRepository object.

Method Summary

Calendar	loadCalendar(java.net.URL url) Loads a Calendar into this CalendarRepository.
java.lang.String	toString() Returns all URLs in this CalendarRepository<>.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

calendarCache

private java.util.Hashtable calendarCache

Currently loaded Calendars in this CalendarRepository

Constructor Detail

CalendarRepository

public CalendarRepository()

Constructs a CalendarRepository object. It also forms a Hashtable, in which keys are URLs and values are Calendar objects.

Method Detail

loadCalendar

public Calendar loadCalendar(java.net.URL url)
                      throws CalendarFormationException

Loads a Calendar into this CalendarRepository. If Calendar with given URL does not exist in this CalendarRepository then URL will chased and Calendar that it points will be loaded and a handle to loaded Calendar will be returned.

Otherwise, if Calendar with given URL exists in this CalendarRepository then a a handle to existing Calendar will be returned.

That's, keep silent.

Parameters:

url - Url of Calendar specification file.

Returns:

a handle to loaded Calendar

Throws:

CalendarFormationException - if there is any problem with parsing the file that given URL points

toString

public java.lang.String toString()

Returns all URLs in this CalendarRepository<>.

Overrides:

toString in class java.lang.Object

Returns:

String representation of urls tokenized with a blankspace