package com.termux.api;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.net.Uri;

import com.termux.api.util.ResultReturner;

import com.termux.api.util.TermuxApiLogger;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

public class StorageGetAPI {

private static final String FILE_EXTRA = "com.termux.api.storage.file";

static void onReceive(TermuxApiReceiver apiReceiver, final Context context, final Intent intent) {

ResultReturner.returnData(apiReceiver, intent, out -> {

final String fileExtra = intent.getStringExtra("file");

if (fileExtra == null || !new File(fileExtra).getParentFile().canWrite()) {

out.println("ERROR: Not a writable folder: " + fileExtra);

return;

}

Intent intent1 = new Intent(context, StorageActivity.class);

intent1.putExtra(FILE_EXTRA, fileExtra);

intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(intent1);

});

}

public static class StorageActivity extends Activity {

private String outputFile;

@Override

public void onResume() {

super.onResume();

outputFile = getIntent().getStringExtra(FILE_EXTRA);

// ACTION_OPEN_DOCUMENT is the intent to choose a file via the system's file browser.

Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);

// Filter to only show results that can be "opened", such as a

// file (as opposed to a list of contacts or timezones)

intent.addCategory(Intent.CATEGORY_OPENABLE);

intent.setType("*/*");

startActivityForResult(intent, 42);

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent resultData) {

super.onActivityResult(requestCode, resultCode, resultData);

if (resultCode == RESULT_OK) {

Uri data = resultData.getData();

try {

try (InputStream in = getContentResolver().openInputStream(data)) {

try (OutputStream out = new FileOutputStream(outputFile)) {

byte[] buffer = new byte[8192];

while (true) {

int read = in.read(buffer);

if (read <= 0) {

break;

} else {

out.write(buffer, 0, read);

}

}

}

}

} catch (IOException e) {

TermuxApiLogger.error("Error copying " + data + " to " + outputFile);

}

}

finish();

}

}

}