mirror of
https://github.com/M66B/FairEmail.git
synced 2025-12-25 23:20:53 +01:00
253 lines
9.7 KiB
Java
253 lines
9.7 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.util.Log;
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import com.sun.mail.imap.IMAPFolder;
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import com.sun.mail.imap.IMAPMessage;
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import com.sun.mail.imap.IMAPStore;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Properties;
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import javax.mail.FetchProfile;
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import javax.mail.Flags;
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import javax.mail.Folder;
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import javax.mail.FolderClosedException;
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import javax.mail.Message;
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import javax.mail.MessageRemovedException;
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import javax.mail.MessagingException;
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import javax.mail.Session;
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import javax.mail.UIDFolder;
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import javax.mail.search.BodyTerm;
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import javax.mail.search.FlagTerm;
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import javax.mail.search.FromStringTerm;
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import javax.mail.search.OrTerm;
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import javax.mail.search.RecipientStringTerm;
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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 State currentState = 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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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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int index = -1;
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}
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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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State state = currentState;
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if (state == null)
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return;
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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 (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 = 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 = 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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match = message.from[j].toString().toLowerCase().contains(find);
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if (message.to != null)
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for (int j = 0; j < message.to.length && !match; j++)
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match = message.to[j].toString().toLowerCase().contains(find);
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if (message.subject != null && !match)
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match = message.subject.toLowerCase().contains(find);
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if (!match && message.content)
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match = body.toLowerCase().contains(find);
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if (match)
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db.message().setMessageFound(message.account, message.thread);
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}
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db.setTransactionSuccessful();
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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 (state.imessages == null) {
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if (folder.account == null) // outbox
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return;
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EntityAccount account = db.account().getAccount(folder.account);
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try {
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Properties props = MessageHelper.getSessionProperties(account.auth_type, account.insecure);
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props.setProperty("mail.imap.throwsearchexception", "true");
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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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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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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=" + 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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state.imessages = state.ifolder.search(
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new OrTerm(
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new OrTerm(
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new OrTerm(
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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(state.search),
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new BodyTerm(state.search)
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)
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),
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new FlagTerm(new Flags(Helper.sanitizeKeyword(state.search)), true)
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)
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);
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Log.i(Helper.TAG, "Boundary found messages=" + state.imessages.length);
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state.index = state.imessages.length - 1;
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} catch (Throwable ex) {
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if (ex instanceof FolderClosedException)
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Log.w(Helper.TAG, "Search " + ex + "\n" + Log.getStackTraceString(ex));
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else {
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Log.e(Helper.TAG, "Search " + ex + "\n" + Log.getStackTraceString(ex));
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throw ex;
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}
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}
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}
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int count = 0;
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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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fp.add(FetchProfile.Item.FLAGS);
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fp.add(FetchProfile.Item.CONTENT_INFO); // body structure
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fp.add(UIDFolder.FetchProfileItem.UID);
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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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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 = 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(state.fid, uid);
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if (message == null) {
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message = ServiceSynchronize.synchronizeMessage(
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state.context,
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folder, state.ifolder, (IMAPMessage) isub[j], true, false);
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count++;
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}
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db.message().setMessageFound(message.account, message.thread);
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} catch (Throwable ex) {
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if ((ex instanceof MessageRemovedException) || (ex instanceof FolderClosedException))
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Log.w(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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else {
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Log.e(Helper.TAG, "Boundary " + ex + "\n" + Log.getStackTraceString(ex));
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throw ex;
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}
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} finally {
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((IMAPMessage) isub[j]).invalidateHeaders();
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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}
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Log.i(Helper.TAG, "Boundary done");
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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 (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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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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