mirror of https://github.com/M66B/FairEmail.git
Prevent crash
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parent
6f98929d72
commit
172a1851fd
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@ -49,55 +49,55 @@ import javax.mail.search.SubjectTerm;
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import androidx.lifecycle.ViewModel;
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public class ViewModelBrowse extends ViewModel {
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private Context context;
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private long fid;
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private String search;
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private int pageSize;
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private State currentState = null;
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private int local = 0;
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private List<Long> messages = null;
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private IMAPStore istore = null;
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private IMAPFolder ifolder = null;
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private Message[] imessages = null;
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private class State {
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private Context context;
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private long fid;
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private String search;
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private int pageSize;
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private int index = -1;
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int local = 0;
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List<Long> messages = null;
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IMAPStore istore = null;
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IMAPFolder ifolder = null;
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Message[] imessages = null;
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void set(Context context, long folder, String search, int pageSize) {
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this.context = context;
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this.fid = folder;
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this.search = search;
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this.pageSize = pageSize;
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this.index = -1;
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int index = -1;
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}
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@Override
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protected void onCleared() {
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context = null;
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istore = null;
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ifolder = null;
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imessages = null;
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void set(Context context, long folder, String search, int pageSize) {
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currentState = new State();
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currentState.context = context;
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currentState.fid = folder;
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currentState.search = search;
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currentState.pageSize = pageSize;
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currentState.index = -1;
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}
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void load() throws MessagingException, IOException {
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DB db = DB.getInstance(context);
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EntityFolder folder = db.folder().getFolder(fid);
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State state = currentState;
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if (state == null)
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return;
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if (search != null)
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DB db = DB.getInstance(state.context);
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EntityFolder folder = db.folder().getFolder(state.fid);
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if (state.search != null)
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try {
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db.beginTransaction();
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if (messages == null)
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messages = db.message().getMessageByFolder(fid);
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if (state.messages == null)
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state.messages = db.message().getMessageByFolder(state.fid);
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int matched = 0;
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for (int i = local; i < messages.size() && matched < pageSize; i++) {
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local = i + 1;
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for (int i = state.local; i < state.messages.size() && matched < state.pageSize; i++) {
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state.local = i + 1;
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boolean match = false;
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String find = search.toLowerCase();
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EntityMessage message = db.message().getMessage(messages.get(i));
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String body = (message.content ? message.read(context) : null);
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String find = state.search.toLowerCase();
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EntityMessage message = db.message().getMessage(state.messages.get(i));
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String body = (message.content ? message.read(state.context) : null);
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if (message.from != null)
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for (int j = 0; j < message.from.length && !match; j++)
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@ -119,19 +119,19 @@ public class ViewModelBrowse extends ViewModel {
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message.ui_found = true;
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message.id = db.message().insertMessage(message);
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if (message.content)
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message.write(context, body);
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message.write(state.context, body);
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}
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}
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db.setTransactionSuccessful();
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if (++matched >= pageSize)
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if (++matched >= state.pageSize)
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return;
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} finally {
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db.endTransaction();
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}
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if (imessages == null) {
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if (state.imessages == null) {
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if (folder.account == null) // outbox
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return;
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@ -142,40 +142,40 @@ public class ViewModelBrowse extends ViewModel {
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Session isession = Session.getInstance(props, null);
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Log.i(Helper.TAG, "Boundary connecting account=" + account.name);
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istore = (IMAPStore) isession.getStore(account.starttls ? "imap" : "imaps");
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Helper.connect(context, istore, account);
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state.istore = (IMAPStore) isession.getStore(account.starttls ? "imap" : "imaps");
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Helper.connect(state.context, state.istore, account);
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Log.i(Helper.TAG, "Boundary opening folder=" + folder.name);
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ifolder = (IMAPFolder) istore.getFolder(folder.name);
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ifolder.open(Folder.READ_WRITE);
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state.ifolder = (IMAPFolder) state.istore.getFolder(folder.name);
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state.ifolder.open(Folder.READ_WRITE);
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Log.i(Helper.TAG, "Boundary searching=" + search);
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if (search == null)
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imessages = ifolder.getMessages();
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Log.i(Helper.TAG, "Boundary searching=" + state.search);
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if (state.search == null)
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state.imessages = state.ifolder.getMessages();
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else
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imessages = ifolder.search(
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state.imessages = state.ifolder.search(
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new OrTerm(
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new OrTerm(
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new FromStringTerm(search),
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new RecipientStringTerm(Message.RecipientType.TO, search)
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new FromStringTerm(state.search),
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new RecipientStringTerm(Message.RecipientType.TO, state.search)
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),
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new OrTerm(
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new SubjectTerm(search),
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new BodyTerm(search)
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new SubjectTerm(state.search),
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new BodyTerm(state.search)
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)
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)
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);
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Log.i(Helper.TAG, "Boundary found messages=" + imessages.length);
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Log.i(Helper.TAG, "Boundary found messages=" + state.imessages.length);
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index = imessages.length - 1;
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state.index = state.imessages.length - 1;
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}
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int count = 0;
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while (index >= 0 && count < pageSize) {
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Log.i(Helper.TAG, "Boundary index=" + index);
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int from = Math.max(0, index - (pageSize - count) + 1);
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Message[] isub = Arrays.copyOfRange(imessages, from, index + 1);
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index -= (pageSize - count);
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while (state.index >= 0 && count < state.pageSize && currentState != null) {
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Log.i(Helper.TAG, "Boundary index=" + state.index);
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int from = Math.max(0, state.index - (state.pageSize - count) + 1);
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Message[] isub = Arrays.copyOfRange(state.imessages, from, state.index + 1);
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state.index -= (state.pageSize - count);
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FetchProfile fp = new FetchProfile();
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fp.add(FetchProfile.Item.ENVELOPE);
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@ -185,18 +185,19 @@ public class ViewModelBrowse extends ViewModel {
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fp.add(IMAPFolder.FetchProfileItem.HEADERS);
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fp.add(FetchProfile.Item.SIZE);
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fp.add(IMAPFolder.FetchProfileItem.INTERNALDATE);
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ifolder.fetch(isub, fp);
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state.ifolder.fetch(isub, fp);
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try {
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db.beginTransaction();
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for (int j = isub.length - 1; j >= 0; j--)
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try {
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long uid = ifolder.getUID(isub[j]);
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long uid = state.ifolder.getUID(isub[j]);
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Log.i(Helper.TAG, "Boundary sync uid=" + uid);
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EntityMessage message = db.message().getMessageByUid(fid, uid, search != null);
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EntityMessage message = db.message().getMessageByUid(state.fid, uid, state.search != null);
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if (message == null) {
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ServiceSynchronize.synchronizeMessage(context, folder, ifolder, (IMAPMessage) isub[j], search != null);
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ServiceSynchronize.synchronizeMessage(
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state.context, folder, state.ifolder, (IMAPMessage) isub[j], state.search != null);
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count++;
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}
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} catch (MessageRemovedException ex) {
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@ -221,19 +222,23 @@ public class ViewModelBrowse extends ViewModel {
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}
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void clear() {
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State state = currentState;
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if (state == null)
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return;
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currentState = null;
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Log.i(Helper.TAG, "Boundary clear");
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try {
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if (istore != null)
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istore.close();
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if (state.istore != null)
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state.istore.close();
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} catch (Throwable ex) {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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} finally {
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context = null;
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local = 0;
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messages = null;
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istore = null;
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ifolder = null;
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imessages = null;
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state.context = null;
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state.messages = null;
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state.istore = null;
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state.ifolder = null;
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state.imessages = null;
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}
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}
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}
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