[FEATURE] Реализована полоска загрузки при использовании WebSockets

This commit is contained in:
Gravit 2019-04-04 17:48:34 +07:00
parent e008c33aff
commit d805fb7515
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GPG key ID: 061981E1E85D3216
2 changed files with 80 additions and 8 deletions

View file

@ -10,8 +10,10 @@
import ru.gravit.utils.helper.IOHelper;
import ru.gravit.utils.helper.LogHelper;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
@ -19,21 +21,42 @@
import java.util.List;
public class ListDownloader {
public void download(String base, List<String> applies, Path dstDirFile) throws IOException, URISyntaxException {
@FunctionalInterface
public interface DownloadCallback
{
void stateChanged(String filename,long downloadedSize, long size);
}
@FunctionalInterface
public interface DownloadTotalCallback
{
void addTotal(long size);
}
public static class DownloadTask
{
public String apply;
public long size;
public DownloadTask(String apply, long size) {
this.apply = apply;
this.size = size;
}
}
public void download(String base, List<DownloadTask> applies, Path dstDirFile, DownloadCallback callback, DownloadTotalCallback totalCallback) throws IOException, URISyntaxException {
try (CloseableHttpClient httpclient = HttpClients.custom()
.setRedirectStrategy(new LaxRedirectStrategy())
.build()) {
HttpGet get = null;
for (String apply : applies) {
URI u = new URL(base.concat(escapeURL(apply))).toURI();
for (DownloadTask apply : applies) {
URI u = new URL(base.concat(escapeURL(apply.apply))).toURI();
callback.stateChanged(apply.apply,0L, apply.size);
LogHelper.debug("Download URL: %s", u.toString());
if (get == null) get = new HttpGet(u);
else {
get.reset();
get.setURI(u);
}
httpclient.execute(get, new FileDownloadResponseHandler(dstDirFile.resolve(apply)));
httpclient.execute(get, new FileDownloadResponseHandler(dstDirFile.resolve(apply.apply), apply, callback, totalCallback));
}
}
}
@ -59,16 +82,59 @@ public String escapeURL(String apply)
static class FileDownloadResponseHandler implements ResponseHandler<Path> {
private final Path target;
private final DownloadTask task;
private final DownloadCallback callback;
private final DownloadTotalCallback totalCallback;
public FileDownloadResponseHandler(Path target) {
this.target = target;
this.task = null;
callback = null;
totalCallback = null;
}
public FileDownloadResponseHandler(Path target, DownloadTask task, DownloadCallback callback, DownloadTotalCallback totalCallback) {
this.target = target;
this.task = task;
this.callback = callback;
this.totalCallback = totalCallback;
}
@Override
public Path handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
InputStream source = response.getEntity().getContent();
IOHelper.transfer(source, this.target);
if(callback != null && task != null)
{
callback.stateChanged(task.apply, 0, task.size);
transfer(source, this.target, task.apply, task.size, callback, totalCallback);
}
else
IOHelper.transfer(source, this.target);
return this.target;
}
}
public static void transfer(InputStream input, Path file, String filename, long size, DownloadCallback callback, DownloadTotalCallback totalCallback) throws IOException
{
try (OutputStream fileOutput = IOHelper.newOutput(file)) {
long downloaded = 0L;
// Download with digest update
byte[] bytes = IOHelper.newBuffer();
while (downloaded < size) {
int remaining = (int) Math.min(size - downloaded, bytes.length);
int length = input.read(bytes, 0, remaining);
if (length < 0)
throw new EOFException(String.format("%d bytes remaining", size - downloaded));
// Update file
fileOutput.write(bytes, 0, length);
// Update state
downloaded += length;
//totalDownloaded += length;
totalCallback.addTotal(length);
callback.stateChanged(filename, downloaded, size);
}
}
}
}

View file

@ -206,15 +206,21 @@ public UpdateRequestEvent requestWebSockets() throws Exception {
LogHelper.debug("Start update");
Launcher.profile.pushOptionalFile(e.hdir, !Launcher.profile.isUpdateFastCheck());
HashedDir.Diff diff = e.hdir.diff(localDir, matcher);
final List<String> adds = new ArrayList<>();
final List<ListDownloader.DownloadTask> adds = new ArrayList<>();
diff.mismatch.walk(IOHelper.CROSS_SEPARATOR, (path, name, entry) -> {
if(entry.getType() == HashedEntry.Type.FILE) adds.add(path);
if(entry.getType() == HashedEntry.Type.FILE) {
HashedFile file = (HashedFile) entry;
totalSize += file.size;
adds.add(new ListDownloader.DownloadTask(path, file.size));
}
});
totalSize = diff.mismatch.size();
startTime = Instant.now();
updateState("UnknownFile", 0L, 100);
ListDownloader listDownloader = new ListDownloader();
listDownloader.download(e.url, adds, dir);
listDownloader.download(e.url, adds, dir, this::updateState, (add) -> {
totalDownloaded += add;
});
deleteExtraDir(dir, diff.extra, diff.extra.flag);
LogHelper.debug("Update success");
return e;