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package com.zeapo.pwdstore.git;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import com.zeapo.pwdstore.PasswordStore;
import com.zeapo.pwdstore.R;
import org.eclipse.jgit.api.CommitCommand;
import org.eclipse.jgit.api.GitCommand;
import org.eclipse.jgit.api.PullCommand;
import org.eclipse.jgit.api.PullResult;
import org.eclipse.jgit.api.PushCommand;
import org.eclipse.jgit.api.RebaseResult;
import org.eclipse.jgit.api.StatusCommand;
import org.eclipse.jgit.transport.PushResult;
import org.eclipse.jgit.transport.RemoteRefUpdate;
import java.lang.ref.WeakReference;
public class GitAsyncTask extends AsyncTask<GitCommand, Integer, String> {
private WeakReference<Activity> activityWeakReference;
private boolean finishOnEnd;
private boolean refreshListOnEnd;
private ProgressDialog dialog;
private GitOperation operation;
public GitAsyncTask(Activity activity, boolean finishOnEnd, boolean refreshListOnEnd, GitOperation operation) {
this.activityWeakReference = new WeakReference<>(activity);
this.finishOnEnd = finishOnEnd;
this.refreshListOnEnd = refreshListOnEnd;
this.operation = operation;
dialog = new ProgressDialog(getActivity());
}
private Activity getActivity() {
return activityWeakReference.get();
}
protected void onPreExecute() {
this.dialog.setMessage(getActivity().getResources().getString(R.string.running_dialog_text));
this.dialog.setCancelable(false);
this.dialog.show();
}
@Override
protected String doInBackground(GitCommand... commands) {
Integer nbChanges = null;
final Activity activity = getActivity();
for (GitCommand command : commands) {
try {
if (command instanceof StatusCommand) {
// in case we have changes, we want to keep track of it
org.eclipse.jgit.api.Status status = ((StatusCommand) command).call();
nbChanges = status.getChanged().size() + status.getMissing().size();
} else if (command instanceof CommitCommand) {
// the previous status will eventually be used to avoid a commit
if (nbChanges == null || nbChanges > 0)
command.call();
} else if (command instanceof PullCommand) {
final PullResult result = ((PullCommand) command).call();
final RebaseResult rr = result.getRebaseResult();
if (rr.getStatus() == RebaseResult.Status.STOPPED) {
return activity.getString(R.string.git_pull_fail_error);
}
} else if (command instanceof PushCommand) {
for (final PushResult result : ((PushCommand) command).call()) {
// Code imported (modified) from Gerrit PushOp, license Apache v2
for (final RemoteRefUpdate rru : result.getRemoteUpdates()) {
switch (rru.getStatus()) {
case REJECTED_NONFASTFORWARD:
return activity.getString(R.string.git_push_nff_error);
case REJECTED_NODELETE:
case REJECTED_REMOTE_CHANGED:
case NON_EXISTING:
case NOT_ATTEMPTED:
return activity.getString(R.string.git_push_generic_error) + rru.getStatus().name();
case REJECTED_OTHER_REASON:
if ("non-fast-forward".equals(rru.getMessage())) {
return activity.getString(R.string.git_push_other_error);
} else {
return activity.getString(R.string.git_push_generic_error) + rru.getMessage();
}
default:
break;
}
}
}
} else {
command.call();
}
} catch (Exception e) {
e.printStackTrace();
return e.getMessage() + "\nCaused by:\n" + e.getCause();
}
}
return "";
}
protected void onPostExecute(String result) {
if (this.dialog != null)
try {
this.dialog.dismiss();
} catch (Exception e) {
// ignore
}
if (result == null)
result = "Unexpected error";
if (!result.isEmpty()) {
this.operation.onError(result);
} else {
this.operation.onSuccess();
if (finishOnEnd) {
this.getActivity().setResult(Activity.RESULT_OK);
this.getActivity().finish();
}
if (refreshListOnEnd) {
try {
((PasswordStore) this.getActivity()).updateListAdapter();
} catch (ClassCastException e) {
// oups, mistake
}
}
}
}
}
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