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Implement Storage Access Framework

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* re-work finished mission database
* re-work DownloadMission and bump it Serializable version
* keep the classic Java IO API
* SAF Tree API support on Android Lollipop or higher
* add wrapper for SAF stream opening
* implement Closeable in SharpStream to replace the dispose() method

* do required changes for this API:
** remove any file creation logic from DownloadInitializer
** make PostProcessing Serializable and reduce the number of iterations
** update all strings.xml files
** storage helpers: StoredDirectoryHelper & StoredFileHelper
** best effort to handle any kind of SAF errors/exceptions
This commit is contained in:
kapodamy 2019-04-05 14:45:39 -03:00
parent 9e34fee58c
commit f6b32823ba
62 changed files with 2439 additions and 1180 deletions
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16
app/src/main/java/us/shandian/giga/get/DownloadRunnableFallback.java
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@ -4,13 +4,13 @@ import android.annotation.SuppressLint;
import android.support.annotation.NonNull;
import android.util.Log;
import org.schabi.newpipe.streams.io.SharpStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.net.HttpURLConnection;
import java.nio.channels.ClosedByInterruptException;
import us.shandian.giga.util.Utility;
import static org.schabi.newpipe.BuildConfig.DEBUG;
@ -22,11 +22,10 @@ public class DownloadRunnableFallback extends Thread {
private static final String TAG = "DownloadRunnableFallback";
private final DownloadMission mMission;
private final int mId = 1;
private int mRetryCount = 0;
private InputStream mIs;
private RandomAccessFile mF;
private SharpStream mF;
private HttpURLConnection mConn;
DownloadRunnableFallback(@NonNull DownloadMission mission) {
@ -43,11 +42,7 @@ public class DownloadRunnableFallback extends Thread {
// nothing to do
}
try {
if (mF != null) mF.close();
} catch (IOException e) {
// ¿ejected media storage? ¿file deleted? ¿storage ran out of space?
}
if (mF != null) mF.close();
}
@Override
@ -67,6 +62,7 @@ public class DownloadRunnableFallback extends Thread {
try {
long rangeStart = (mMission.unknownLength || start < 1) ? -1 : start;
int mId = 1;
mConn = mMission.openConnection(mId, rangeStart, -1);
mMission.establishConnection(mId, mConn);
@ -81,7 +77,7 @@ public class DownloadRunnableFallback extends Thread {
if (!mMission.unknownLength)
mMission.unknownLength = Utility.getContentLength(mConn) == -1;
mF = new RandomAccessFile(mMission.getDownloadedFile(), "rw");
mF = mMission.storage.getStream();
mF.seek(mMission.offsets[mMission.current] + start);
mIs = mConn.getInputStream();