Create, Update or Delete Tasks on MS Exchange Server in Java

readme.md

Read the complete article on how to add, update, and delete tasks on MS Exchange Server in Java: https://blog.aspose.com/2022/03/11/create-update-or-delete-tasks-on-ms-exchange-server-in-java/

create-task.java

// Create instance of EWSClient class by giving credentials
IEWSClient client = EWSClient.getEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");

// Create Exchange task object
ExchangeTask task = new ExchangeTask();

// Set task subject and status (and other properties)
task.setSubject("New-Test");
task.setStatus(ExchangeTaskStatus.InProgress);

// Create task
client.createTask(client.getMailboxInfo().getTasksUri(), task);

delete-task.java

// Create instance of ExchangeClient class by giving credentials
IEWSClient client = EWSClient.getEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");

// Get all tasks' info collection from Exchange
ExchangeMessageInfoCollection tasks = client.listMessages(client.getMailboxInfo().getTasksUri());

// Parse all the tasks info objects in the list
for (ExchangeMessageInfo info : (Iterable<ExchangeMessageInfo>) tasks) {
    // Fetch task from Exchange using current task info
    ExchangeTask task = client.fetchTask(info.getUniqueUri());

    // Check if the current task fulfills the search criteria
    if (task.getSubject().equals("test")) {
        // Delete task from Exchange
        client.deleteItem(task.getUniqueUri(), DeletionOptions.getDeletePermanently());
    }
}

update-task.java

// Create instance of ExchangeClient class by giving credentials
IEWSClient client = EWSClient.getEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");

// Get all tasks info collection from Exchange
ExchangeMessageInfoCollection tasks = client.listMessages(client.getMailboxInfo().getTasksUri());

// Parse all the tasks info objects in the list
for (ExchangeMessageInfo info : (Iterable<ExchangeMessageInfo>) tasks) {
    // Fetch task from Exchange using current task info
    ExchangeTask task = client.fetchTask(info.getUniqueUri());

    // Update the task's status
    task.setStatus(ExchangeTaskStatus.NotStarted);

    // Set the task's due date
    SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
    task.setDueDate(sdf.parse("26/02/2013 00:00:00"));

    // Set task's priority
    task.setPriority(MailPriority.Low.getValue());

    // Update task on Exchange
    client.updateTask(task);
}