How download an installed app with nanohttpd - java

Hello i want to make a http server with nanohttpd that shows installed apps, and convert them to apk and download. I can list but how can i download the app i select
List<ApplicationInfo> packages = packageManager.getInstalledApplications(PackageManager.GET_META_DATA;
for (ApplicationInfo packageInfo : packages) {
String name = String.valueOf(packageManager.getApplicationLabel(packageInfo));
if (name.isEmpty()) {
name = packageInfo.packageName;
}
Drawable icon = packageManager.getApplicationIcon(packageInfo);
String apkPath = packageInfo.sourceDir;
apps.add(new App(name, apkPath, icon, packageInfo.packageName));
}
if (method.equals(Method.GET)) {
for (App file : apps) {
answer += "<a href=\"" + file.getAppName()
+ "\" alt = \"\">" + file.getAppName()
+ "</a><br>";
}

Ok, I basicly take the url after list the apps and check which appname equal to url after that i start to download it like that
if (method.equals(Method.GET)) {
if (a) {
answer = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; " +
"charset=utf-8\"><title> HTTP File Browser</title>";
for (App file : appShare) {
answer += "<a href=\"" + file.getAppName()
+ "\" alt = \"\">" + file.getAppName()
+ "</a><br>";
}
answer += "</head></html>";
if(blabla.equals(header.get("referer"))){
a=false;
}
} else {
for (int i = 0; i < appShare.size(); i++) {
if (appShare.get(i).getAppName().equals(appnames))
arrayC = i;
}
answer = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; " +
"charset=utf-8\"><title> Download " + appShare.get(arrayC).getAppName() + "</title>";
// serve file download
InputStream inputStream;
Response response = null;
if (mStatusUpdateListener != null) {
mStatusUpdateListener.onDownloadingFile(
new File(appShare.get(arrayC).getApkPath()), false);
}
try {
inputStream = new FileInputStream(
new File(appShare.get(arrayC).getApkPath()));
response = new DownloadResponse(
new File(appShare.get(arrayC).getApkPath()), inputStream);
} catch (Exception e) {
e.printStackTrace();
} response.addHeader(
"Content-Disposition", "attachment; filename=" + appShare.get(arrayC).getAppName()+".apk");
return response;
}

Related

Java moving files to another directory issue

Hello i`ve made a program where i unmarshall XML file, get those informations and use them for connecting to server and move files to another folder.
The program goes like this:
1.get the informations from xml
2.connect and upload them to server
3.move the files that have been uploaded to another folder locally.
The problem is when i put Object and method of Upload. The upload is okay, the files are uploaded, new folders are created for files to move there, but the files dont move, they are in the same directory.
If i put Move object and method above Upload its opposite. The files are moved to another folder(locally) but they are not uploaded...
What can be the problem and how to fix this?
Thank you!
Here is my method for marsh and there i use both methods(upload and move):
public void unmarshallList() {
try {
JAXBContext jc = JAXBContext.newInstance(ListNodes.class);
Unmarshaller ums = jc.createUnmarshaller();
ListNodes ln = (ListNodes) ums.unmarshal(new File("C:\\Users\\Desktop\\marshList.xml"));
System.out.println("INFORMATIONS");
System.out.println("-------------------------------");
for (Node p : ln.getListNode()) {
System.out.println("Hostname: " + p.getHostname());
System.out.println("Username: " + p.getUsername());
System.out.println("Password: " + p.getPassword());
System.out.println("Port: " + p.getPort());
System.out.println("Pc Directory: " + p.getPcDirectory());
System.out.println("Node Directory: " + p.getNodeDirectory());
System.out.println("Time interval: " + p.getTimeInterval());
System.out.println("Move Directory" + p.getMoveDir());
System.out.println("-------------------------------");
Upload up = new Upload();
up.connection(p.getHostname(), p.getPort(), p.getUsername(), p.getPassword(), p.getNodeDirectory(), p.getPcDirectory(), p.getTimeInterval(), p.getMoveDir());
Move mv = new Move();
mv.moveFiles(p.getPcDirectory(), p.getMoveDir());
}
} catch (Exception e) {
// TODO: handle exception
System.out.println(e.getMessage());
}
}
And here is my move method:
public static void moveFiles (String oldLocation, String newLocation) {
File source = new File(oldLocation);
File dest = new File(newLocation);
new File(newLocation).mkdir();
File[] files = source.listFiles();
for (File file : source.listFiles()) {
System.out.println(source + "\\" + file.getName());
String x = (source + "\\" + file.getName());
String y = (dest + "\\" + file.getName());
File f1 = new File(x);
f1.renameTo(new File(y));
System.out.println("This file is moved "+x );
}
System.out.println("The files are moved" );
}
And here is the upload method:
private static void recursiveFolderUpload(String sourcePath, String
destinationPath) throws SftpException, FileNotFoundException {
File sourceFile = new File(sourcePath);
if (sourceFile.isFile()) {
// copy if it is a file
channelSftp.cd(destinationPath);
if (!sourceFile.getName().endsWith(".xml"));
channelSftp.put(new FileInputStream(sourceFile), sourceFile.getName(), ChannelSftp.OVERWRITE);
} else {
System.out.println("inside " + sourceFile.getName());
File[] files = sourceFile.listFiles();
if (files != null && !sourceFile.getName().endsWith(".xml")) {
channelSftp.cd(destinationPath);
SftpATTRS attrs = null;
// check if the directory is already existing
try {
attrs = channelSftp.stat(destinationPath + "/" + sourceFile.getName());
} catch (Exception e) {
System.out.println(destinationPath + "/" + sourceFile.getName() + " not found");
}
// else create a directory
if (attrs != null) {
System.out.println("Directory exists IsDir=" + attrs.isDir());
} else {
System.out.println("Creating dir " + sourceFile.getName());
channelSftp.mkdir(sourceFile.getName());
}
for (File f: files) {
recursiveFolderUpload(f.getAbsolutePath(), destinationPath + "/" + sourceFile.getName());
}
}
}
My guess would be the InputStream of the source file is not closed.
I'd try
InputStream in = new FileInputStream(sourceFile)
try {
channelSftp.put(in, sourceFile.getName(), ChannelSftp.OVERWRITE);
} finally {
in.close();
}
or another way
try (InputStream in = new FileInputStream(sourceFile)) {
channelSftp.put(in, sourceFile.getName(), ChannelSftp.OVERWRITE);
}
which closes the InputStream uppon exiting the try statement.
However - without debugging / any exception message it is almost impossible to be sure

java- resize image on ftp by thumbnailator library

I am uploading image from url on ftp by this code.
Image uploaded successful but when i try to resize uploaded image get error as the follows.
String imageUrl = "http://www.totaldesign.ir/wp-content/uploads/2014/11/hamayesh.jpg";
FTPClient ftpClient = new FTPClient();
ftpClient.connect(ftp_server, ftp_port);
ftpClient.login(ftp_user, ftp_pass);
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.enterLocalPassiveMode();
// APPROACH #2: uploads second file using an OutputStream
URL url = new URL(imageUrl);
//**************select new name for image***********/
//get file extention
File file = new File(imageUrl);
String ext = getFileExtension(file);
//get file name from url
String fileName = imageUrl.substring(imageUrl.lastIndexOf('/') + 1, imageUrl.length());
String fileNameWithoutExtn = fileName.substring(0, fileName.lastIndexOf('.'));
//create new image name for upload
String img_name = "simjin.com_" + fileNameWithoutExtn;
//get current year time for image upload dir
Date date = new Date();
DateFormat yeae = new SimpleDateFormat("yyyy");
String current_year = yeae.format(date);
//create dirs if not exist
ftpClient.changeWorkingDirectory(current_year);
int dirCode = ftpClient.getReplyCode();
if (dirCode == 550) {
//create dir
ftpClient.makeDirectory(current_year);
System.out.println("created folder: " + current_year);
}
//get current month time for image upload dir
DateFormat month = new SimpleDateFormat("MM");
String current_month = month.format(date);
//create dirs if not exist
ftpClient.changeWorkingDirectory("/" + current_year + "/" + current_month);
dirCode = ftpClient.getReplyCode();
if (dirCode == 550) {
//create dir
ftpClient.makeDirectory("/" + current_year + "/" + current_month);
System.out.println("created folder: " + "/" + current_year + "/" + current_month);
}
String uploadDir = "/" + current_year + "/" + current_month;
//rename image file if exist
boolean exists;
String filePath = uploadDir + "/" + img_name + "." + ext;
exists = checkFileExists(filePath);
System.out.println("old file path=> " + exists);
//Rename file if exist
int i = 0;
while (exists) {
i++;
img_name = "simjin.com_" + fileNameWithoutExtn + i;
filePath = uploadDir + "/" + img_name + "." + ext;
exists = checkFileExists(filePath);
//break loop if file dont exist
if (!exists) {
break;
}
}
System.out.println("new file path=> " + filePath);
//set image name in array for return
result[0] = img_name;
//*************end select new name for image**********/
System.out.println("ftpClinet Replay Code=> " + ftpClient.getStatus());
//Start uploading second file
InputStream inputStream = new BufferedInputStream(url.openStream());
OutputStream outputStream = ftpClient.storeFileStream(filePath);
System.out.println("outputStream Status=> " + outputStream);
byte[] bytesIn = new byte[10240];
int read = 0;
while ((read = inputStream.read(bytesIn)) != -1) {
outputStream.write(bytesIn, 0, read);
}
inputStream.close();
outputStream.close();
boolean completed = ftpClient.completePendingCommand();
after success upload. I want to resize image by thumbnailator:
if (completed) {
System.out.println("The file is uploaded successfully.");
String new_img_name = uploadDir + "/" + img_name + "-150x150" + "." + ext;
OutputStream os = ftpClient.storeFileStream(filePath);
Thumbnails.of(image_url).size(150, 150).toOutputStream(os);
}
in this section get this error:
OutputStream cannot be null
Where is my wrong? And how to fix it?

Can't Get Android to Append Data to .txt file

I'm pretty new here, and have been following all I could find on getting my program to append a series of numbers (determined from how often a button was pressed) to a .txt file whenever a timer runs out, but to no avail-I'm not sure what I'm missing...the app starts out by creating a .txt file in the downloads folder with a template in it:
String initialTemplate ="\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"10\",\"11\",\"12\"";
File path = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_DOWNLOADS);
File file = new File(path, filename+".txt");
try {
FileOutputStream fos = new FileOutputStream(file);
fos.write(initialTemplate.getBytes());
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
And then when a countdowntimer object finishes and restarts/ends, it triggers the class writeresults() to append the values:
if (CountsRemaining < 1){
textViewTime.setText("00:00:00");
cancel();
writeResults();
finishcount();
} else {
//append data
writeResults();
//Clear all variables
clearCounts();
start();
}
And the important part, to actually write the data, which is what isn't working:
public void writeResults(){
String Message = Count1 + ", " + Count2 + ", " + Count3 + ", " + Count4 + ", " + Count5 + ", " +
Count6 + ", " + Count7 + ", " + Count8 + ", " + Count9 + ", " + Count10 + ", " + Count11 + Count12;
FileWriter writer;
try {
File path = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_DOWNLOADS);
File file = new File (path + filename+".txt");
writer = new FileWriter(file, true);
writer.append(Message);
writer.append("this is a writing test message");
writer.close();
Toast.makeText(getApplicationContext(), "Data Saved", Toast.LENGTH_SHORT).show();
} catch (IOException e) {
e.printStackTrace();
}
}
Any idea what I might be missing? Parameters?
The problem is in this line:
File file = new File (path + filename+".txt");
It should be like this, if you look at your first code, when creating file:
File file = new File (path, filename+".txt");

How to add folder to zip

I have my GWT project and I want to upload files to server. I want the following algorithm to work
1) create a folder with the name from "userNumber"
2) write uploaded files to this folder
3) add folder to zip
4) delete folder (if exists)
As I write on the server side I think it is just java problem. Here is my code. I can perform only the first and the second steps, i.e. I can create a folder and write files to this folder.
#Override
public String executeAction(HttpServletRequest request,
List<FileItem> sessionFiles) throws UploadActionException {
String response = "";
userNumber = request.getParameter("userNumber");
File f = new File(ConfAppServer.getRealContextPath() + "/edoc/"
+ userNumber);
if (f.mkdir()) {
System.out.println("Directory Created");
} else {
System.out.println("Directory is not created");
}
for (FileItem item : sessionFiles) {
if (false == item.isFormField()) {
try {
String extension = item.getName().substring(
item.getName().length() - 3);
File file = null;
file = new File(ConfAppServer.getRealContextPath()
+ "/edoc/"
+ userNumber
+ System.getProperty("file.separator")
+ item.getName().substring(0,
item.getName().length() - 4) + "."
+ extension);
item.write(file);
receivedFiles.put(item.getFieldName(), file);
receivedContentTypes.put(item.getFieldName(),
item.getContentType());
response += "<file-" + cont + "-field>"
+ item.getFieldName() + "</file-" + cont
+ "-field>\n";
response += "<file-" + cont + "-name>" + item.getName()
+ "</file-" + cont + "-name>\n";
response += "<file-" + cont + "-size>" + item.getSize()
+ "</file-" + cont + "-size>\n";
response += "<file-" + cont + "-type>"
+ item.getContentType() + "</file-" + cont
+ "type>\n";
} catch (Exception e) {
throw new UploadActionException(e);
}
}
}
ZipUtils appZip = new ZipUtils(userNumber + ".zip",
ConfAppServer.getRealContextPath() + "/edoc/" + userNumber);
appZip.generateFileList(new File(ConfAppServer.getRealContextPath()
+ "/edoc/" + userNumber));
appZip.zipIt(userNumber + ".zip");
f.delete();
removeSessionFileItems(request);
return "<response>\n" + response + "</response>\n";
}
Here you can find my ZipUtils class.
When I try to delete my folder, nothing happens. The delete() method doesn't work. Help me please!!
My question is how to add folder to zip and then delete this folder.
Use java.nio.file. You won't have the hassle of manipulating the ZIP API yourself:
final Path pathToZip = Paths.get("path", "to", "your", "zip");
final URI uri = URI.create("jar:" + pathToZip.toUri());
final Map<String, ?> env = Collections.singletonMap("create", "true");
try (
final FileSystem fs = FileSystems.getFileSystem(uri, env);
) {
// write files into the zip here.
// See javadoc for java.nio.file.Files and FileSystem.getPath()
}
More details on how to use the API here.

create a zip file. and manage the output stream

I created a button that allows to create a zip file., the function that zips the file works correctly, but when I call her via the button (in the JS file) it crashes and it gives a blank page (I think I do not manage the output stream)
would please an idea
here is my code:
Button
isc.ToolStripButton.create({
ID: "BooksApp_GetXmlImage_Button"
,autoDraw:false
,icon: getUIIcon("icon_xml_16")
,prompt: getUIMsg("book_report_get_xml",4)
,showHover:true
,hoverStyle:"book_hover_style"
,click : function () {
BooksApp_Action_loadFile("objx");
// isc.say("test");
}
});
function to call the zipfile() method:
function BooksApp_Action_loadFile(p_UsedFormat) {
var tmpBookID = BooksApp_Application.FP_BookID;
var tmpIDs = BooksApp_Application.FP_fct_getSelectedPOVIDs();
var tmpUsr_ID = FPIUser.FP_fct_getID();
var tmpFormat = p_UsedFormat;
var showInWindow=false;
books_objects.exportData(
{
r_book_idnum : tmpBookID
,sBook_ID : tmpBookID
,sPOV_IDs : tmpIDs
,sUser_ID : tmpUsr_ID
,sFormat : tmpFormat
}
,{ operationId: "customExport"
,exportDisplay: (showInWindow ? "window" : "download") }
,function (dsResponse, data, dsRequest) {
//Never called
BooksApp_Action_Log("BooksApp_Action_loadFile:"+data);
}
);
}
customExport() function
public static String customExport(RPCManager rpc,
HttpServletResponse response) throws Exception {
String sReturn = _Return_OK;
try {
// setting doCustomResponse() notifies the RPCManager that we'll
// bypass RPCManager.send
// and instead write directly to the servletResponse output stream
rpc.doCustomResponse();
RequestContext.setNoCacheHeaders(response);
writeServerDebug("customExport : start");
DSRequest req = rpc.getDSRequest();
List<?> results = req.execute().getDataList();
String sReqData = (String) req.getParameter("exportDisplay");
String sReqData_sBook_ID = "" + req.getCriteriaValue("sBook_ID");
String sReqData_sPOV_IDs = "" + req.getCriteriaValue("sPOV_IDs");
String sReqData_sUser_ID = "" + req.getCriteriaValue("sUser_ID");
String sReqData_sFormat = "" + req.getCriteriaValue("sFormat");
StringBuilder content = new StringBuilder("get (sReqData:"
+ sReqData + ",sBook_ID:" + sReqData_sBook_ID
+ ",sPOV_IDs:" + sReqData_sPOV_IDs + ",sUser_ID:"
+ sReqData_sUser_ID + ",sFormat:" + sReqData_sFormat + ")"
+ results.size() + " line(s):");
for (Iterator<?> i = results.iterator(); i.hasNext();) {
Map<?, ?> record = (Map<?, ?>) i.next();
content.append("\n" + Books.Column_IDNum + ":"
+ record.get(Books.Column_IDNum));
content.append("\n" + Books.Column_Name + ":"
+ record.get(Books.Column_Name));
}
writeServerDebug("The content is \n" + content.toString());
// Create the new Office Engine
OfficeEngine myOfficeEngine = new OfficeEngine();
boolean bIsConnected = myOfficeEngine._RepositoryBridge
.connectSourceDataBase(false);
if (bIsConnected) {
//Connected to the repository, so get the files
if (sReqData_sFormat.equalsIgnoreCase("pdf") || sReqData_sFormat.equalsIgnoreCase("pptx")) {
//The book end user format
String sReturnPptx = myOfficeEngine.performGeneratePptx(
req.getHttpServletRequest(), response,
sReqData_sBook_ID, sReqData_sPOV_IDs,
sReqData_sUser_ID, sReqData_sFormat);
writeServerDebug("customExport call performGeneratePptx, return is "
+ sReturnPptx);
}
else {
AppZip appZip = new AppZip();
appZip.ZipFile(" ", " ");
String r = "sReturn_OK";;
return r;
}
//Free the connection to repository
myOfficeEngine._RepositoryBridge.freeConnectionSource();
} else {
response.setContentType("text/plain");
response.addHeader("content-disposition",
"attachment; filename=book.txt");
ServletOutputStream os = response.getOutputStream();
os.print(content.toString());
os.flush();
}
} catch (Exception e) {
writeServerDebug("ERROR:" + e.getLocalizedMessage());
sReturn = Repository._Return_KO;
}
return sReturn;
}

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