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Android™ Examples

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(Android™) IMAP Get Quota

Sends the GETQUOTA command to the IMAP server to get the quota information for a given quota root.

The GetQuota method is available in Chilkat starting at v9.5.0.58, and is only available for IMAP servers that support the QUOTA extension.

The information is returned in JSON format. This example demonstrates how to parse the JSON to get the desired information.

Typically, the quota root for the Inbox is the empty string. The GetQuotaRoot method can be called to get the quota root for a given mailbox.

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Android™ Java Libraries

Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkImap imap = new CkImap();

    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    boolean success = imap.Connect("MY-IMAP-DOMAIN");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Authenticate
    success = imap.Login("MY-IMAP-LOGIN","MY-IMAP-PASSWORD");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // First check to see if the IMAP server supports the QUOTA extension.
    String caps = imap.capability();
    if (imap.get_LastMethodSuccess() != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    if (imap.HasCapability("QUOTA",caps) != true) {
        Log.i(TAG, "IMAP server does not support the QUOTA extension.");
        return;
        }

    // This example assumes we already know the quota root for the given mailbox.
    // For Inbox, it is typically the empty string.  See the documentation and example 
    // for the GetQuotaRoot method to query for the quota root of a mailbox.  
    // (It's probably easier to use GetQuotaRoot because the mailbox name
    // can be passed to it, and in addition, it returns the quota information.)
    // method for details 
    String jsonStr = imap.getQuota("");
    if (imap.get_LastMethodSuccess() != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // The JSON string will look something like this:
    // {"QUOTA":{"root":"","resource":"STORAGE","used":22216,"max":15728640}}
    Log.i(TAG, jsonStr);

    // This is easy to parse...
    CkJsonObject json = new CkJsonObject();
    json.Load(jsonStr);

    // Now get the resource name (which can be STORAGE or MESSAGE) and the used/max values.
    // Most servers have STORAGE quotas, which are for total capacity.  For example, GMail's
    // STORAGE quota is 15GB (at the time of writing this example).
    // A MESSAGE quota sets a limit on the number of messages.
    String resourceName = json.stringOf("QUOTA.resource");
    int quotaUsed = json.IntOf("QUOTA.used");
    int quotaMax = json.IntOf("QUOTA.max");

    Log.i(TAG, "Resource: " + resourceName);
    Log.i(TAG, "Quota Used (in KB): " + String.valueOf(quotaUsed));
    Log.i(TAG, "Quota Max (in KB): " + String.valueOf(quotaMax));

    // Disconnect from the IMAP server.
    success = imap.Disconnect();

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

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