Home : How to Check Free/Busy Information From an Exchange Server
Q98399 - HOWTO: How to Check Free/Busy Information From an Exchange Server

How to Check Free/Busy Information From an Exchange Server

The following code demonstrates how to check someone else's schedule for Free/Busy information using J-Integra and Exchange Server's Collaboration Data Objects (CDO 1.2). It is adapted from Microsoft Knowledge Base Article - 186753. Before you run this code, you should first configure your Exchange Server

/*
This example is adapted from Microsoft Knowledge Base Article - 186753
HOWTO: Check Someone Else's Schedule for Free/Busy Information
http://support.microsoft.com/?id=186753
*/
import com.intrinsyc.cdo.*;
import com.linar.jintegra.Cleaner;
public class GetFreeBusy{
    // Modify the following variables based on your specific Exchange setup
    static final String domain   = "DOMAIN";    //make sure it's all capitalized
    static final String user     = "username";  //username of Exchange super user
    static final String password = "password";  //password of Exchange super user
    static final String mailbox  = "mailbox";   //mailbox name of Exchange super user
    static final String CDOmachine = "000.000.000.000"; //IP address of the CDO machine
    static final String server   = "000.000.000.000"; // IP address of Exchange server
    static final String recipient1 = "joedoe"; // alias/login name of recipient

    public static void main (String[] arg ){

        try{
            // authenticate to Windows
            com.linar.jintegra.AuthInfo.setDefault(domain, user, password);
            // create a Session in the CDOmachine
            Session session = new Session(CDOmachine);
            // logon to the Exchange Server
            session.logon(null, null, new Boolean(false), new Boolean(true),
                    new Boolean(false), new Boolean(false),
                    server + "\n" + mailbox);
            // Create a message in Inbox
            Folder inbox = new FolderProxy(session.getInbox());
            Messages messages = new MessagesProxy(inbox.getMessages());
            Message message = new MessageProxy(messages.add("Subject", "text", null, null));
            // Set the recipient(s) of the message
            Recipients recipients = new RecipientsProxy(message.getRecipients());
            Recipient oneRecipient = new RecipientProxy(
                    recipients.add(recipient1, null, null, null));
            oneRecipient.resolve(null);
            AddressEntry address = new AddressEntryProxy(oneRecipient.getAddressEntry());
            //Specify the date/time of the beginning of the first time slot.
            String startTime="2006/05/25 8:00:00 AM";
            //Specify the date/time of the end of the last time slot.
            String endTime="2006/05/25 10:00:00 AM";
            // Specify the length of each time slot in minutes.
            // If Interval parameter is less than 1, GetFreeBusy returns
            // CdoE_INVALID_PARAMETER.
            int interval = 60;
            // Interval parameter determines the number of time slots.
            // For this example, Interval is set to 60 minutes. Therefore,
            // here will be 2 time slots between the StartTime and the EndTime.
            // the first time slot is between 8:00:00-9:00:00 AM.
            // The second time slot is between 9:00:00-10:00:00 AM.
            // Get the free/busy status of recipient at that specified time
            String freeBusy = address.getFreeBusy(
                    startTime, endTime, new Integer(interval)).toString();
            int freeBusyValue = (new Integer(freeBusy)).intValue();
            // Since there are two time slots, the GetFreeBusy method returns a
            // string with length 2. For example, FreeBusy = "21" indicates that
            // there is a tentative commitment during the time slot 1. Also,
            // there is a confirmed commitment during the time slot 2.
            System.out.println("FreeBusy = " + freeBusy);
            String msg= "";
            String tempMsg;
            Integer j;
            for (int i = 0; i < freeBusy.length(); i++){
                j = new Integer(String.valueOf(freeBusy.charAt(i)));
                switch(j.intValue()){
                    case 0:
                        tempMsg = "Available for meetings/appointments " +
                                "during the time slot " + i + "\n";
                        msg = msg + tempMsg;
                        break;
                    case 1:
                        tempMsg = "At least one tentative commitment " +
                                "during the time slot " + i + "\n";
                        msg = msg + tempMsg;
                        break;
                    case 2:
                        tempMsg = "At least one confirmed commitment " +
                                "during the time slot " + i + "\n";
                        msg = msg + tempMsg;
                        break;
                    case 3:
                        tempMsg = "Out-of-office (OOF) for at least part " +
                                "of the time slot " + i + "\n";
                        msg = msg + tempMsg;
                        break;
                }
            }
            System.out.println(recipient1 + "'s availability : \n" + msg);
            // logoff from the session
            session.logoff();
        } catch (Exception ex) {
            ex.printStackTrace();
        }finally{
            // release all COM references
            Cleaner.releaseAll();
        }
    }
}

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Created on 6/23/2006.
Last Modified on 3/30/2009.
Last Modified by J-Integra KB Admin.
Article has been viewed 13632 times.
Rated 6 out of 10 based on 9 votes.
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