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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.iget.ccnx.igetandroid;
import android.Manifest;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.os.Environment;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.iget.ccnx.adapter.ListViewAdapter;
import com.iget.ccnx.adapter.OutputListViewElement;
import com.iget.ccnx.utility.Constants;
import com.iget.ccnx.utility.ResourcesEnumerator;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.nio.ByteBuffer;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Date;
public class iGetActivity extends AppCompatActivity {
static {
System.loadLibrary("native-lib");
}
private static String TAG = "iGetAcrivity";
public native String downloadFile(String path);
ArrayList<OutputListViewElement> outputListViewElementArrayList = new ArrayList<OutputListViewElement>();
ListViewAdapter adapter;
static int fCount = 0;
SharedPreferences sharedPreferences;
EditText urlEditText;
EditText downloadPathEditText;
Button downloadButton;
ListView resultListView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_i_get);
adapter = new ListViewAdapter(this, outputListViewElementArrayList);
resultListView = (ListView) findViewById(R.id.resultsListView);
resultListView.setAdapter(adapter);
checkEnabledPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
checkEnabledPermission(Manifest.permission.READ_EXTERNAL_STORAGE);
init();
}
public static final String md5(final String s) {
final String MD5 = "MD5";
try {
// Create MD5 Hash
MessageDigest digest = java.security.MessageDigest
.getInstance(MD5);
digest.update(s.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuilder hexString = new StringBuilder();
for (byte aMessageDigest : messageDigest) {
String h = Integer.toHexString(0xFF & aMessageDigest);
while (h.length() < 2)
h = "0" + h;
hexString.append(h);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putSerializable(Constants.LIST_ITEMS_ID, outputListViewElementArrayList);
super.onSaveInstanceState(outState);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
if (savedInstanceState != null) {
outputListViewElementArrayList = (ArrayList<OutputListViewElement>) savedInstanceState.getSerializable(Constants.LIST_ITEMS_ID);
adapter = new ListViewAdapter(this, outputListViewElementArrayList);
resultListView = (ListView) findViewById(R.id.resultsListView);
resultListView.setAdapter(adapter);
}
super.onRestoreInstanceState(savedInstanceState);
}
private void init() {
Log.v("storage path", Environment.getExternalStorageDirectory().toString());
sharedPreferences = getSharedPreferences(Constants.I_GET_PREFERENCES, MODE_PRIVATE);
urlEditText = (EditText) findViewById(R.id.urlEditText);
urlEditText.setText(sharedPreferences.getString(ResourcesEnumerator.URL.key(), Constants.DEFAULT_URL));
downloadPathEditText = (EditText) findViewById(R.id.downloadPathEditText);
downloadPathEditText.setText(sharedPreferences.getString(ResourcesEnumerator.DOWNLOAD_PATH.key(), Constants.DEFAULT_DOWNLOAD_PATH));
downloadButton = (Button) findViewById(R.id.downloadButton);
downloadButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences.Editor sharedPreferencesEditor = getSharedPreferences(Constants.I_GET_PREFERENCES, MODE_PRIVATE).edit();
sharedPreferencesEditor.putString(ResourcesEnumerator.URL.key(), urlEditText.getText().toString());
sharedPreferencesEditor.putString(ResourcesEnumerator.DOWNLOAD_PATH.key(), downloadPathEditText.getText().toString());
sharedPreferencesEditor.commit();
String[] urlSplitted = urlEditText.getText().toString().split(File.separator);
File downloadPath = new File(downloadPathEditText.getText().toString());
if (!downloadPath.exists()) {
downloadPath.mkdirs();
}
Date startDate = new Date();
String content = downloadFile(urlEditText.getText().toString());
Date stopDate = new Date();
if (content.length() > 0) {
String nameFile = writeToFile(content, downloadPathEditText.getText().toString(), urlSplitted[urlSplitted.length - 1]);
outputListViewElementArrayList.add(0, new OutputListViewElement(urlEditText.getText().toString(), downloadPathEditText.getText().toString(), nameFile, md5(content), content.length()));
adapter.notifyDataSetChanged();
} else {
outputListViewElementArrayList.add(0, new OutputListViewElement(urlEditText.getText().toString(), Constants.DASH, Constants.DASH, Constants.DASH, 0));
}
}
});
}
private void checkEnabledPermission(String permission) {
if (ContextCompat.checkSelfPermission(this,
permission)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
permission)) {
} else {
ActivityCompat.requestPermissions(this,
new String[]{permission},
1);
}
}
}
private String writeToFile(String content, String path, String nameFile) {
try {
nameFile = checkGenerateNameFile(path, nameFile.trim());
PrintStream out = new PrintStream(new FileOutputStream(path + File.separator + nameFile));
out.print(content);
} catch (FileNotFoundException e) {
Log.v(TAG, e.toString());
}
return nameFile;
}
private String checkGenerateNameFile(String path, String nameFile) {
String newNameFile = nameFile.trim();
File file;
int count = 1;
do {
file = new File(path + File.separator + newNameFile);
if (file.exists()) {
newNameFile = nameFile.trim() + Constants.UNDERSCORE + Integer.toString(count);
count++;
}
} while (file.exists());
return newNameFile;
}
}
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