08ace26ed6
Change-Id: I8a184a5644e4322ee65d969e14cd47fe119f5df2 Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
252 lines
12 KiB
Java
252 lines
12 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.provider;
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import android.annotation.TargetApi;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.ParcelFileDescriptor;
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import com.android.email.LegacyConversions;
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import com.android.emailcommon.Logging;
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import com.android.emailcommon.internet.MimeUtility;
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import com.android.emailcommon.mail.Message;
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import com.android.emailcommon.mail.MessagingException;
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import com.android.emailcommon.mail.Part;
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import com.android.emailcommon.provider.Account;
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import com.android.emailcommon.provider.EmailContent;
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import com.android.emailcommon.provider.EmailContent.Attachment;
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import com.android.emailcommon.provider.EmailContent.MessageColumns;
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import com.android.emailcommon.provider.EmailContent.SyncColumns;
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import com.android.emailcommon.provider.Mailbox;
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import com.android.emailcommon.utility.ConversionUtilities;
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import com.android.mail.utils.LogUtils;
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import com.android.mail.utils.Utils;
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import java.io.InputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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public class Utilities {
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/**
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* Copy one downloaded message (which may have partially-loaded sections)
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* into a newly created EmailProvider Message, given the account and mailbox
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*
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* @param message the remote message we've just downloaded
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* @param account the account it will be stored into
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* @param folder the mailbox it will be stored into
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* @param loadStatus when complete, the message will be marked with this status (e.g.
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* EmailContent.Message.LOADED)
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*/
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public static void copyOneMessageToProvider(Context context, Message message, Account account,
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Mailbox folder, int loadStatus) {
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EmailContent.Message localMessage = null;
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Cursor c = null;
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try {
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c = context.getContentResolver().query(
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EmailContent.Message.CONTENT_URI,
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EmailContent.Message.CONTENT_PROJECTION,
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EmailContent.MessageColumns.ACCOUNT_KEY + "=?" +
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" AND " + MessageColumns.MAILBOX_KEY + "=?" +
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" AND " + SyncColumns.SERVER_ID + "=?",
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new String[] {
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String.valueOf(account.mId),
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String.valueOf(folder.mId),
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String.valueOf(message.getUid())
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},
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null);
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if (c == null) {
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return;
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} else if (c.moveToNext()) {
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localMessage = EmailContent.getContent(context, c, EmailContent.Message.class);
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} else {
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localMessage = new EmailContent.Message();
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}
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localMessage.mMailboxKey = folder.mId;
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localMessage.mAccountKey = account.mId;
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copyOneMessageToProvider(context, message, localMessage, loadStatus);
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} finally {
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if (c != null) {
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c.close();
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}
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}
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}
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/**
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* Copy one downloaded message (which may have partially-loaded sections)
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* into an already-created EmailProvider Message
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*
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* @param message the remote message we've just downloaded
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* @param localMessage the EmailProvider Message, already created
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* @param loadStatus when complete, the message will be marked with this status (e.g.
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* EmailContent.Message.LOADED)
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* @param context the context to be used for EmailProvider
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*/
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public static void copyOneMessageToProvider(Context context, Message message,
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EmailContent.Message localMessage, int loadStatus) {
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try {
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EmailContent.Body body = null;
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if (localMessage.mId != EmailContent.Message.NO_MESSAGE) {
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body = EmailContent.Body.restoreBodyWithMessageId(context, localMessage.mId);
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}
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if (body == null) {
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body = new EmailContent.Body();
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}
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try {
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// Copy the fields that are available into the message object
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LegacyConversions.updateMessageFields(localMessage, message,
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localMessage.mAccountKey, localMessage.mMailboxKey);
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// Now process body parts & attachments
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ArrayList<Part> viewables = new ArrayList<Part>();
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ArrayList<Part> attachments = new ArrayList<Part>();
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MimeUtility.collectParts(message, viewables, attachments);
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// Don't close the viewables attachment InputStream yet
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final ConversionUtilities.BodyFieldData data =
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ConversionUtilities.parseBodyFields(viewables, false);
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// set body and local message values
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localMessage.setFlags(data.isQuotedReply, data.isQuotedForward);
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localMessage.mSnippet = data.snippet;
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body.mTextContent = data.textContent;
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body.mHtmlContent = data.htmlContent;
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// Commit the message & body to the local store immediately
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saveOrUpdate(localMessage, context);
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body.mMessageKey = localMessage.mId;
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saveOrUpdate(body, context);
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// process (and save) attachments
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if (loadStatus != EmailContent.Message.FLAG_LOADED_PARTIAL
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&& loadStatus != EmailContent.Message.FLAG_LOADED_UNKNOWN) {
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// TODO(pwestbro): What should happen with unknown status?
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LegacyConversions.updateAttachments(context, localMessage, attachments);
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LegacyConversions.updateInlineAttachments(context, localMessage, viewables);
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} else {
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EmailContent.Attachment att = new EmailContent.Attachment();
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// Since we haven't actually loaded the attachment, we're just putting
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// a dummy placeholder here. When the user taps on it, we'll load the attachment
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// for real.
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// TODO: This is not a great way to model this. What we're saying is, we don't
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// have the complete message, without paying any attention to what we do have.
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// Did the main body exceed the maximum initial size? If so, we really might
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// not have any attachments at all, and we just need a button somewhere that
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// says "load the rest of the message".
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// Or, what if we were able to load some, but not all of the attachments?
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// Then we should ideally not be dropping the data we have on the floor.
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// Also, what behavior we have here really should be based on what protocol
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// we're dealing with. If it's POP, then we don't actually know how many
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// attachments we have until we've loaded the complete message.
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// If it's IMAP, we should know that, and we should load all attachment
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// metadata we can get, regardless of whether or not we have the complete
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// message body.
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att.mFileName = "";
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att.mSize = message.getSize();
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att.mMimeType = "text/plain";
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att.mMessageKey = localMessage.mId;
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att.mAccountKey = localMessage.mAccountKey;
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att.mFlags = Attachment.FLAG_DUMMY_ATTACHMENT;
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att.save(context);
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localMessage.mFlagAttachment = true;
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}
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// Close any parts that may still be open
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for (final Part part : viewables) {
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if (part.getBody() == null) {
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continue;
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}
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try {
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InputStream is = part.getBody().getInputStream();
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if (is != null) {
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is.close();
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}
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} catch (IOException io) {
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// Ignore
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}
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}
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// One last update of message with two updated flags
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localMessage.mFlagLoaded = loadStatus;
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ContentValues cv = new ContentValues();
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cv.put(EmailContent.MessageColumns.FLAG_ATTACHMENT, localMessage.mFlagAttachment);
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cv.put(EmailContent.MessageColumns.FLAG_LOADED, localMessage.mFlagLoaded);
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Uri uri = ContentUris.withAppendedId(EmailContent.Message.CONTENT_URI,
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localMessage.mId);
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context.getContentResolver().update(uri, cv, null, null);
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} catch (MessagingException me) {
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LogUtils.e(Logging.LOG_TAG, "Error while copying downloaded message." + me);
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}
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} catch (RuntimeException rte) {
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LogUtils.e(Logging.LOG_TAG, "Error while storing downloaded message." + rte.toString());
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} catch (IOException ioe) {
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LogUtils.e(Logging.LOG_TAG, "Error while storing attachment." + ioe.toString());
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}
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}
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public static void saveOrUpdate(EmailContent content, Context context) {
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if (content.isSaved()) {
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content.update(context, content.toContentValues());
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} else {
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content.save(context);
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}
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}
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/**
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* Converts a string representing a file mode, such as "rw", into a bitmask suitable for use
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* with {@link android.os.ParcelFileDescriptor#open}.
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* <p>
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* @param mode The string representation of the file mode.
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* @return A bitmask representing the given file mode.
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* @throws IllegalArgumentException if the given string does not match a known file mode.
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*/
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@TargetApi(19)
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public static int parseMode(String mode) {
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if (Utils.isRunningKitkatOrLater()) {
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return ParcelFileDescriptor.parseMode(mode);
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}
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final int modeBits;
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if ("r".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_ONLY;
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} else if ("w".equals(mode) || "wt".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_TRUNCATE;
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} else if ("wa".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_WRITE_ONLY
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_APPEND;
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} else if ("rw".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_WRITE
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| ParcelFileDescriptor.MODE_CREATE;
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} else if ("rwt".equals(mode)) {
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modeBits = ParcelFileDescriptor.MODE_READ_WRITE
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| ParcelFileDescriptor.MODE_CREATE
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| ParcelFileDescriptor.MODE_TRUNCATE;
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} else {
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throw new IllegalArgumentException("Bad mode '" + mode + "'");
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}
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return modeBits;
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}
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}
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