src/com/android/exchange/adapter/FolderSyncParser.java - platform/packages/apps/Exchange - Git at Google

 /*
  * Copyright (C) 2008-2009 Marc Blank
  * Licensed to The Android Open Source Project.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.exchange.adapter;

 import com.android.email.provider.EmailContent;
 import com.android.email.provider.EmailProvider;
 import com.android.email.provider.EmailContent.Account;
 import com.android.email.provider.EmailContent.AccountColumns;
 import com.android.email.provider.EmailContent.Mailbox;
 import com.android.email.provider.EmailContent.MailboxColumns;
 import com.android.exchange.Eas;
 import com.android.exchange.EasSyncService;
 import com.android.exchange.MockParserStream;
 import com.android.exchange.SyncManager;

 import android.content.ContentProviderOperation;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.OperationApplicationException;
 import android.database.Cursor;
 import android.os.RemoteException;

 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

 /**
  * Parse the result of a FolderSync command
  *
  * Handles the addition, deletion, and changes to folders in the user's Exchange account.
  **/

 public class FolderSyncParser extends AbstractSyncParser {

     public static final String TAG = "FolderSyncParser";

     // These are defined by the EAS protocol
     public static final int USER_FOLDER_TYPE = 1;
     public static final int INBOX_TYPE = 2;
     public static final int DRAFTS_TYPE = 3;
     public static final int DELETED_TYPE = 4;
     public static final int SENT_TYPE = 5;
     public static final int OUTBOX_TYPE = 6;
     public static final int TASKS_TYPE = 7;
     public static final int CALENDAR_TYPE = 8;
     public static final int CONTACTS_TYPE = 9;
     public static final int NOTES_TYPE = 10;
     public static final int JOURNAL_TYPE = 11;
     public static final int USER_MAILBOX_TYPE = 12;

     public static final List<Integer> mValidFolderTypes = Arrays.asList(INBOX_TYPE, DRAFTS_TYPE,
             DELETED_TYPE, SENT_TYPE, OUTBOX_TYPE, USER_MAILBOX_TYPE, CALENDAR_TYPE, CONTACTS_TYPE);

     public static final String ALL_BUT_ACCOUNT_MAILBOX = MailboxColumns.ACCOUNT_KEY + "=? and " +
         MailboxColumns.TYPE + "!=" + Mailbox.TYPE_EAS_ACCOUNT_MAILBOX;

    private static final String WHERE_SERVER_ID_AND_ACCOUNT = MailboxColumns.SERVER_ID + "=? and " +
         MailboxColumns.ACCOUNT_KEY + "=?";

     private static final String WHERE_DISPLAY_NAME_AND_ACCOUNT = MailboxColumns.DISPLAY_NAME +
         "=? and " + MailboxColumns.ACCOUNT_KEY + "=?";

     private static final String WHERE_PARENT_SERVER_ID_AND_ACCOUNT =
         MailboxColumns.PARENT_SERVER_ID +"=? and " + MailboxColumns.ACCOUNT_KEY + "=?";

     private static final String[] MAILBOX_ID_COLUMNS_PROJECTION =
         new String[] {MailboxColumns.ID, MailboxColumns.SERVER_ID};

     private long mAccountId;
     private String mAccountIdAsString;
     private MockParserStream mMock = null;
     private String[] mBindArguments = new String[2];

     public FolderSyncParser(InputStream in, EasSyncService service) throws IOException {
         super(in, service);
         mAccountId = mAccount.mId;
         mAccountIdAsString = Long.toString(mAccountId);
         if (in instanceof MockParserStream) {
             mMock = (MockParserStream)in;
         }
     }

     @Override
     public boolean parse() throws IOException {
         int status;
         boolean res = false;
         boolean resetFolders = false;
         if (nextTag(START_DOCUMENT) != Tags.FOLDER_FOLDER_SYNC)
             throw new IOException();
         while (nextTag(START_DOCUMENT) != END_DOCUMENT) {
             if (tag == Tags.FOLDER_STATUS) {
                 status = getValueInt();
                 if (status != Eas.FOLDER_STATUS_OK) {
                     mService.errorLog("FolderSync failed: " + status);
                     if (status == Eas.FOLDER_STATUS_INVALID_KEY) {
                         mAccount.mSyncKey = "0";
                         mService.errorLog("Bad sync key; RESET and delete all folders");
                         mContentResolver.delete(Mailbox.CONTENT_URI, ALL_BUT_ACCOUNT_MAILBOX,
                                 new String[] {Long.toString(mAccountId)});
                         // Stop existing syncs and reconstruct _main
                         SyncManager.folderListReloaded(mAccountId);
                         res = true;
                         resetFolders = true;
                     } else {
                         // Other errors are at the server, so let's throw an error that will
                         // cause this sync to be retried at a later time
                         mService.errorLog("Throwing IOException; will retry later");
                         throw new IOException();
                     }
                 }
             } else if (tag == Tags.FOLDER_SYNC_KEY) {
                 mAccount.mSyncKey = getValue();
                 userLog("New Account SyncKey: ", mAccount.mSyncKey);
             } else if (tag == Tags.FOLDER_CHANGES) {
                 changesParser();
             } else
                 skipTag();
         }
         synchronized (mService.getSynchronizer()) {
             if (!mService.isStopped() || resetFolders) {
                 ContentValues cv = new ContentValues();
                 cv.put(AccountColumns.SYNC_KEY, mAccount.mSyncKey);
                 mAccount.update(mContext, cv);
                 userLog("Leaving FolderSyncParser with Account syncKey=", mAccount.mSyncKey);
             }
         }
         return res;
     }

     private Cursor getServerIdCursor(String serverId) {
         mBindArguments[0] = serverId;
         mBindArguments[1] = mAccountIdAsString;
         return mContentResolver.query(Mailbox.CONTENT_URI, EmailContent.ID_PROJECTION,
                 WHERE_SERVER_ID_AND_ACCOUNT, mBindArguments, null);
     }

     public void deleteParser(ArrayList<ContentProviderOperation> ops) throws IOException {
         while (nextTag(Tags.SYNC_DELETE) != END) {
             switch (tag) {
                 case Tags.FOLDER_SERVER_ID:
                     String serverId = getValue();
                     // Find the mailbox in this account with the given serverId
                     Cursor c = getServerIdCursor(serverId);
                     try {
                         if (c.moveToFirst()) {
                             userLog("Deleting ", serverId);
                             ops.add(ContentProviderOperation.newDelete(
                                     ContentUris.withAppendedId(Mailbox.CONTENT_URI,
                                             c.getLong(0))).build());
                         }
                     } finally {
                         c.close();
                     }
                     break;
                 default:
                     skipTag();
             }
         }
     }

     public void addParser(ArrayList<ContentProviderOperation> ops) throws IOException {
         String name = null;
         String serverId = null;
         String parentId = null;
         int type = 0;

         while (nextTag(Tags.FOLDER_ADD) != END) {
             switch (tag) {
                 case Tags.FOLDER_DISPLAY_NAME: {
                     name = getValue();
                     break;
                 }
                 case Tags.FOLDER_TYPE: {
                     type = getValueInt();
                     break;
                 }
                 case Tags.FOLDER_PARENT_ID: {
                     parentId = getValue();
                     break;
                 }
                 case Tags.FOLDER_SERVER_ID: {
                     serverId = getValue();
                     break;
                 }
                 default:
                     skipTag();
             }
         }
         if (mValidFolderTypes.contains(type)) {
             Mailbox m = new Mailbox();
             m.mDisplayName = name;
             m.mServerId = serverId;
             m.mAccountKey = mAccountId;
             m.mType = Mailbox.TYPE_MAIL;
             m.mSyncInterval = Mailbox.CHECK_INTERVAL_NEVER;
             switch (type) {
                 case INBOX_TYPE:
                     m.mSyncInterval = Mailbox.CHECK_INTERVAL_PUSH;
                     m.mType = Mailbox.TYPE_INBOX;
                     break;
                 case OUTBOX_TYPE:
                     m.mSyncInterval = Mailbox.CHECK_INTERVAL_NEVER;
                     // TYPE_OUTBOX mailboxes are known by SyncManager to sync whenever they aren't
                     // empty.  The value of mSyncFrequency is ignored for this kind of mailbox.
                     m.mType = Mailbox.TYPE_OUTBOX;
                     break;
                 case SENT_TYPE:
                     m.mType = Mailbox.TYPE_SENT;
                     break;
                 case DRAFTS_TYPE:
                     m.mType = Mailbox.TYPE_DRAFTS;
                     break;
                 case DELETED_TYPE:
                     m.mType = Mailbox.TYPE_TRASH;
                     break;
                 case CALENDAR_TYPE:
                     m.mType = Mailbox.TYPE_CALENDAR;
                     // TODO This could be push, depending on settings
                     // For now, no sync, since it's not yet implemented
                     break;
                 case CONTACTS_TYPE:
                     m.mType = Mailbox.TYPE_CONTACTS;
                     // TODO Frequency below should depend on settings
                     m.mSyncInterval = Mailbox.CHECK_INTERVAL_PUSH;
                     break;
             }

             // Make boxes like Contacts and Calendar invisible in the folder list
             m.mFlagVisible = (m.mType < Mailbox.TYPE_NOT_EMAIL);

             if (!parentId.equals("0")) {
                 m.mParentServerId = parentId;
             }

             userLog("Adding mailbox: ", m.mDisplayName);
             ops.add(ContentProviderOperation
                     .newInsert(Mailbox.CONTENT_URI).withValues(m.toContentValues()).build());
         }

         return;
     }

     public void changesParser() throws IOException {
         // Keep track of new boxes, deleted boxes, updated boxes
         ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();

         while (nextTag(Tags.FOLDER_CHANGES) != END) {
             // TODO Handle FOLDER_CHANGE and FOLDER_DELETE
             if (tag == Tags.FOLDER_ADD) {
                 addParser(ops);
             } else if (tag == Tags.FOLDER_DELETE) {
                 deleteParser(ops);
             } else if (tag == Tags.FOLDER_COUNT) {
                 getValueInt();
             } else
                 skipTag();
         }

         // The mock stream is used for junit tests, so that the parsing code can be tested
         // separately from the provider code.
         // TODO Change tests to not require this; remove references to the mock stream
         if (mMock != null) {
             mMock.setResult(null);
             return;
         }

         // Create the new mailboxes in a single batch operation
         // Don't save any data if the service has been stopped
         synchronized (mService.getSynchronizer()) {
             if (!ops.isEmpty() && !mService.isStopped()) {
                 userLog("Applying ", ops.size(), " mailbox operations.");

                 // Then, we create an update for the account (most importantly, updating the syncKey)
                 ops.add(ContentProviderOperation.newUpdate(
                         ContentUris.withAppendedId(Account.CONTENT_URI, mAccountId)).withValues(
                                 mAccount.toContentValues()).build());

                 // Finally, we execute the batch
                 try {
                     mContentResolver.applyBatch(EmailProvider.EMAIL_AUTHORITY, ops);
                     userLog("New Account SyncKey: ", mAccount.mSyncKey);
                 } catch (RemoteException e) {
                     // There is nothing to be done here; fail by returning null
                 } catch (OperationApplicationException e) {
                     // There is nothing to be done here; fail by returning null
                 }

                 // Look for sync issues and its children and delete them
                 // I'm not aware of any other way to deal with this properly
                 mBindArguments[0] = "Sync Issues";
                 mBindArguments[1] = mAccountIdAsString;
                 Cursor c = mContentResolver.query(Mailbox.CONTENT_URI,
                         MAILBOX_ID_COLUMNS_PROJECTION, WHERE_DISPLAY_NAME_AND_ACCOUNT,
                         mBindArguments, null);
                 String parentServerId = null;
                 long id = 0;
                 try {
                     if (c.moveToFirst()) {
                         id = c.getLong(0);
                         parentServerId = c.getString(1);
                     }
                 } finally {
                     c.close();
                 }
                 if (parentServerId != null) {
                     mContentResolver.delete(ContentUris.withAppendedId(Mailbox.CONTENT_URI, id),
                             null, null);
                     mBindArguments[0] = parentServerId;
                     mContentResolver.delete(Mailbox.CONTENT_URI, WHERE_PARENT_SERVER_ID_AND_ACCOUNT,
                             mBindArguments);
                 }
             }
         }
     }

     @Override
     public void commandsParser() throws IOException {
     }

     @Override
     public void wipe() {
     }

 }
	/*
	* Copyright (C) 2008-2009 Marc Blank
	* Licensed to The Android Open Source Project.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.exchange.adapter;

	import com.android.email.provider.EmailContent;
	import com.android.email.provider.EmailProvider;
	import com.android.email.provider.EmailContent.Account;
	import com.android.email.provider.EmailContent.AccountColumns;
	import com.android.email.provider.EmailContent.Mailbox;
	import com.android.email.provider.EmailContent.MailboxColumns;
	import com.android.exchange.Eas;
	import com.android.exchange.EasSyncService;
	import com.android.exchange.MockParserStream;
	import com.android.exchange.SyncManager;

	import android.content.ContentProviderOperation;
	import android.content.ContentUris;
	import android.content.ContentValues;
	import android.content.OperationApplicationException;
	import android.database.Cursor;
	import android.os.RemoteException;

	import java.io.IOException;
	import java.io.InputStream;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	/**
	* Parse the result of a FolderSync command
	*
	* Handles the addition, deletion, and changes to folders in the user's Exchange account.
	**/

	public class FolderSyncParser extends AbstractSyncParser {

	public static final String TAG = "FolderSyncParser";

	// These are defined by the EAS protocol
	public static final int USER_FOLDER_TYPE = 1;
	public static final int INBOX_TYPE = 2;
	public static final int DRAFTS_TYPE = 3;
	public static final int DELETED_TYPE = 4;
	public static final int SENT_TYPE = 5;
	public static final int OUTBOX_TYPE = 6;
	public static final int TASKS_TYPE = 7;
	public static final int CALENDAR_TYPE = 8;
	public static final int CONTACTS_TYPE = 9;
	public static final int NOTES_TYPE = 10;
	public static final int JOURNAL_TYPE = 11;
	public static final int USER_MAILBOX_TYPE = 12;

	public static final List<Integer> mValidFolderTypes = Arrays.asList(INBOX_TYPE, DRAFTS_TYPE,
	DELETED_TYPE, SENT_TYPE, OUTBOX_TYPE, USER_MAILBOX_TYPE, CALENDAR_TYPE, CONTACTS_TYPE);

	public static final String ALL_BUT_ACCOUNT_MAILBOX = MailboxColumns.ACCOUNT_KEY + "=? and " +
	MailboxColumns.TYPE + "!=" + Mailbox.TYPE_EAS_ACCOUNT_MAILBOX;

	private static final String WHERE_SERVER_ID_AND_ACCOUNT = MailboxColumns.SERVER_ID + "=? and " +
	MailboxColumns.ACCOUNT_KEY + "=?";

	private static final String WHERE_DISPLAY_NAME_AND_ACCOUNT = MailboxColumns.DISPLAY_NAME +
	"=? and " + MailboxColumns.ACCOUNT_KEY + "=?";

	private static final String WHERE_PARENT_SERVER_ID_AND_ACCOUNT =
	MailboxColumns.PARENT_SERVER_ID +"=? and " + MailboxColumns.ACCOUNT_KEY + "=?";

	private static final String[] MAILBOX_ID_COLUMNS_PROJECTION =
	new String[] {MailboxColumns.ID, MailboxColumns.SERVER_ID};

	private long mAccountId;
	private String mAccountIdAsString;
	private MockParserStream mMock = null;
	private String[] mBindArguments = new String[2];

	public FolderSyncParser(InputStream in, EasSyncService service) throws IOException {
	super(in, service);
	mAccountId = mAccount.mId;
	mAccountIdAsString = Long.toString(mAccountId);
	if (in instanceof MockParserStream) {
	mMock = (MockParserStream)in;
	}
	}

	@Override
	public boolean parse() throws IOException {
	int status;
	boolean res = false;
	boolean resetFolders = false;
	if (nextTag(START_DOCUMENT) != Tags.FOLDER_FOLDER_SYNC)
	throw new IOException();
	while (nextTag(START_DOCUMENT) != END_DOCUMENT) {
	if (tag == Tags.FOLDER_STATUS) {
	status = getValueInt();
	if (status != Eas.FOLDER_STATUS_OK) {
	mService.errorLog("FolderSync failed: " + status);
	if (status == Eas.FOLDER_STATUS_INVALID_KEY) {
	mAccount.mSyncKey = "0";
	mService.errorLog("Bad sync key; RESET and delete all folders");
	mContentResolver.delete(Mailbox.CONTENT_URI, ALL_BUT_ACCOUNT_MAILBOX,
	new String[] {Long.toString(mAccountId)});
	// Stop existing syncs and reconstruct _main
	SyncManager.folderListReloaded(mAccountId);
	res = true;
	resetFolders = true;
	} else {
	// Other errors are at the server, so let's throw an error that will
	// cause this sync to be retried at a later time
	mService.errorLog("Throwing IOException; will retry later");
	throw new IOException();
	}
	}
	} else if (tag == Tags.FOLDER_SYNC_KEY) {
	mAccount.mSyncKey = getValue();
	userLog("New Account SyncKey: ", mAccount.mSyncKey);
	} else if (tag == Tags.FOLDER_CHANGES) {
	changesParser();
	} else
	skipTag();
	}
	synchronized (mService.getSynchronizer()) {
	if (!mService.isStopped() \|\| resetFolders) {
	ContentValues cv = new ContentValues();
	cv.put(AccountColumns.SYNC_KEY, mAccount.mSyncKey);
	mAccount.update(mContext, cv);
	userLog("Leaving FolderSyncParser with Account syncKey=", mAccount.mSyncKey);
	}
	}
	return res;
	}

	private Cursor getServerIdCursor(String serverId) {
	mBindArguments[0] = serverId;
	mBindArguments[1] = mAccountIdAsString;
	return mContentResolver.query(Mailbox.CONTENT_URI, EmailContent.ID_PROJECTION,
	WHERE_SERVER_ID_AND_ACCOUNT, mBindArguments, null);
	}

	public void deleteParser(ArrayList<ContentProviderOperation> ops) throws IOException {
	while (nextTag(Tags.SYNC_DELETE) != END) {
	switch (tag) {
	case Tags.FOLDER_SERVER_ID:
	String serverId = getValue();
	// Find the mailbox in this account with the given serverId
	Cursor c = getServerIdCursor(serverId);
	try {
	if (c.moveToFirst()) {
	userLog("Deleting ", serverId);
	ops.add(ContentProviderOperation.newDelete(
	ContentUris.withAppendedId(Mailbox.CONTENT_URI,
	c.getLong(0))).build());
	}
	} finally {
	c.close();
	}
	break;
	default:
	skipTag();
	}
	}
	}

	public void addParser(ArrayList<ContentProviderOperation> ops) throws IOException {
	String name = null;
	String serverId = null;
	String parentId = null;
	int type = 0;

	while (nextTag(Tags.FOLDER_ADD) != END) {
	switch (tag) {
	case Tags.FOLDER_DISPLAY_NAME: {
	name = getValue();
	break;
	}
	case Tags.FOLDER_TYPE: {
	type = getValueInt();
	break;
	}
	case Tags.FOLDER_PARENT_ID: {
	parentId = getValue();
	break;
	}
	case Tags.FOLDER_SERVER_ID: {
	serverId = getValue();
	break;
	}
	default:
	skipTag();
	}
	}
	if (mValidFolderTypes.contains(type)) {
	Mailbox m = new Mailbox();
	m.mDisplayName = name;
	m.mServerId = serverId;
	m.mAccountKey = mAccountId;
	m.mType = Mailbox.TYPE_MAIL;
	m.mSyncInterval = Mailbox.CHECK_INTERVAL_NEVER;
	switch (type) {
	case INBOX_TYPE:
	m.mSyncInterval = Mailbox.CHECK_INTERVAL_PUSH;
	m.mType = Mailbox.TYPE_INBOX;
	break;
	case OUTBOX_TYPE:
	m.mSyncInterval = Mailbox.CHECK_INTERVAL_NEVER;
	// TYPE_OUTBOX mailboxes are known by SyncManager to sync whenever they aren't
	// empty. The value of mSyncFrequency is ignored for this kind of mailbox.
	m.mType = Mailbox.TYPE_OUTBOX;
	break;
	case SENT_TYPE:
	m.mType = Mailbox.TYPE_SENT;
	break;
	case DRAFTS_TYPE:
	m.mType = Mailbox.TYPE_DRAFTS;
	break;
	case DELETED_TYPE:
	m.mType = Mailbox.TYPE_TRASH;
	break;
	case CALENDAR_TYPE:
	m.mType = Mailbox.TYPE_CALENDAR;
	// TODO This could be push, depending on settings
	// For now, no sync, since it's not yet implemented
	break;
	case CONTACTS_TYPE:
	m.mType = Mailbox.TYPE_CONTACTS;
	// TODO Frequency below should depend on settings
	m.mSyncInterval = Mailbox.CHECK_INTERVAL_PUSH;
	break;
	}

	// Make boxes like Contacts and Calendar invisible in the folder list
	m.mFlagVisible = (m.mType < Mailbox.TYPE_NOT_EMAIL);

	if (!parentId.equals("0")) {
	m.mParentServerId = parentId;
	}

	userLog("Adding mailbox: ", m.mDisplayName);
	ops.add(ContentProviderOperation
	.newInsert(Mailbox.CONTENT_URI).withValues(m.toContentValues()).build());
	}

	return;
	}

	public void changesParser() throws IOException {
	// Keep track of new boxes, deleted boxes, updated boxes
	ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();

	while (nextTag(Tags.FOLDER_CHANGES) != END) {
	// TODO Handle FOLDER_CHANGE and FOLDER_DELETE
	if (tag == Tags.FOLDER_ADD) {
	addParser(ops);
	} else if (tag == Tags.FOLDER_DELETE) {
	deleteParser(ops);
	} else if (tag == Tags.FOLDER_COUNT) {
	getValueInt();
	} else
	skipTag();
	}

	// The mock stream is used for junit tests, so that the parsing code can be tested
	// separately from the provider code.
	// TODO Change tests to not require this; remove references to the mock stream
	if (mMock != null) {
	mMock.setResult(null);
	return;
	}

	// Create the new mailboxes in a single batch operation
	// Don't save any data if the service has been stopped
	synchronized (mService.getSynchronizer()) {
	if (!ops.isEmpty() && !mService.isStopped()) {
	userLog("Applying ", ops.size(), " mailbox operations.");

	// Then, we create an update for the account (most importantly, updating the syncKey)
	ops.add(ContentProviderOperation.newUpdate(
	ContentUris.withAppendedId(Account.CONTENT_URI, mAccountId)).withValues(
	mAccount.toContentValues()).build());

	// Finally, we execute the batch
	try {
	mContentResolver.applyBatch(EmailProvider.EMAIL_AUTHORITY, ops);
	userLog("New Account SyncKey: ", mAccount.mSyncKey);
	} catch (RemoteException e) {
	// There is nothing to be done here; fail by returning null
	} catch (OperationApplicationException e) {
	// There is nothing to be done here; fail by returning null
	}

	// Look for sync issues and its children and delete them
	// I'm not aware of any other way to deal with this properly
	mBindArguments[0] = "Sync Issues";
	mBindArguments[1] = mAccountIdAsString;
	Cursor c = mContentResolver.query(Mailbox.CONTENT_URI,
	MAILBOX_ID_COLUMNS_PROJECTION, WHERE_DISPLAY_NAME_AND_ACCOUNT,
	mBindArguments, null);
	String parentServerId = null;
	long id = 0;
	try {
	if (c.moveToFirst()) {
	id = c.getLong(0);
	parentServerId = c.getString(1);
	}
	} finally {
	c.close();
	}
	if (parentServerId != null) {
	mContentResolver.delete(ContentUris.withAppendedId(Mailbox.CONTENT_URI, id),
	null, null);
	mBindArguments[0] = parentServerId;
	mContentResolver.delete(Mailbox.CONTENT_URI, WHERE_PARENT_SERVER_ID_AND_ACCOUNT,
	mBindArguments);
	}
	}
	}
	}

	@Override
	public void commandsParser() throws IOException {
	}

	@Override
	public void wipe() {
	}

	}