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POhow to rename a file while uploading it to the server?
 

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  1. POhow to rename a file while uploading it to the server?
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    <p>I am developing an android app where i am getting all the images from the gallery in a grid view and displaying it along with a checkbox..i m able to select the images and upload multiple images to the server....but now before uploading it to the server i need to rename the images i am selecting as per my conventions.....m not able to do that!! How do i go about that??? anybody has any idea?? Please help!! I really need to do this!! i am getting the paths of the selected images in an array list ...</p> <pre><code>public void btnChoosePhotosClick(View v){ selectedItems=new ArrayList&lt;String&gt;(); **selectedItems** = imageAdapter.getCheckedItems(); Toast.makeText(MultiPhotoSelectActivity.this, "Total photos selected: "+selectedItems.size(), Toast.LENGTH_SHORT).show(); Log.d(MultiPhotoSelectActivity.class.getSimpleName(), "Selected Items: " + selectedItems.toString()); } </code></pre> <p>and i am trying to change the name while uploading but i get file not found exception...</p> <pre><code>UploadToServer upload=new UploadToServer(); protected Void doInBackground(Void... params) { // TODO Auto-generated method stub String imagepath; String imagename; doctype_imagename="1234_doctype_pageno_"+System.currentTimeMillis()+".jpg"; for( int i=0;i&lt;selectedItems.size();i++) { if (isCancelled()) { break; } else { try { imagepath=selectedItems.get(i); //upload.uploadFile(imagepath); sourcefile=new File(imagepath); imagename=imagepath.substring(imagepath.lastIndexOf("/")+1); from=new File(Environment.getExternalStorageDirectory(),imagename); to=new File(Environment.getExternalStorageDirectory(),doctype_imagename); from.renameTo(to); upload.uploadFile(to.getAbsolutePath()); } catch(Exception e) { e.printStackTrace(); ftp=null; } } } return null; } </code></pre> <p><strong>upoalFile() method:</strong></p> <pre><code> public int uploadFile(String sourceFileUri) { String fileName = sourceFileUri; HttpURLConnection conn = null; DataOutputStream dos = null; String lineEnd = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 1 * 1024 * 1024; File sourceFile = new File(sourceFileUri); upLoadServerUri = "http://10.0.2.2/android/UploadToServer.php"; try { // open a URL connection to the Servlet FileInputStream fileInputStream = new FileInputStream(sourceFile); URL url = new URL(upLoadServerUri); // Open a HTTP connection to the URL conn = (HttpURLConnection) url.openConnection(); conn.setDoInput(true); // Allow Inputs conn.setDoOutput(true); // Allow Outputs conn.setUseCaches(false); // Don't use a Cached Copy conn.setRequestMethod("POST"); conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("ENCTYPE", "multipart/form-data"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary); conn.setRequestProperty("uploaded_file", fileName); dos = new DataOutputStream(conn.getOutputStream()); dos.writeBytes(twoHyphens + boundary + lineEnd); dos.writeBytes("Content-Disposition: form-data; name=uploaded_file;filename=" + fileName + "" + lineEnd); dos.writeBytes(lineEnd); // create a buffer of maximum size bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize]; // read file and write it into form... bytesRead = fileInputStream.read(buffer, 0, bufferSize); while (bytesRead &gt; 0) { dos.write(buffer, 0, bufferSize); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } // send multipart form data necesssary after file data... dos.writeBytes(lineEnd); dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); // Responses from the server (code and message) serverResponseCode = conn.getResponseCode(); String serverResponseMessage = conn.getResponseMessage(); Log.i("uploadFile", "HTTP Response is : " + serverResponseMessage + ": " + serverResponseCode); if(serverResponseCode == 200){ Log.e("Upload ", "Image Uploaded Successfully"); } //close the streams // fileInputStream.close(); dos.flush(); dos.close(); } catch (MalformedURLException ex) { ex.printStackTrace(); Log.e("Upload file to server", "error: " + ex.getMessage(), ex); } catch (Exception e) { e.printStackTrace(); } return serverResponseCode; // End else block } </code></pre> <p><strong>the logcat:</strong></p> <pre><code>06-07 06:13:05.538: W/System.err(1011): java.io.FileNotFoundException: /mnt/sdcard/1234_doctype_pageno_1370585584714.jpg: open failed: ENOENT (No such file or directory) 06-07 06:13:05.789: W/System.err(1011): at java.io.FileInputStream.&lt;init&gt;(FileInputStream.java:78) 06-07 06:13:05.848: W/System.err(1011): at com.example.sampletestapp.UploadToServer.uploadFile(UploadToServer.java:61) 06-07 06:13:05.848: W/System.err(1011): at com.example.sampletestapp.MultiPhotoSelectActivity$SaveImage.doInBackground(MultiPhotoSelectActivity.java:235) 06-07 06:13:05.848: W/System.err(1011): at com.example.sampletestapp.MultiPhotoSelectActivity$SaveImage.doInBackground(MultiPhotoSelectActivity.java:1) 06-07 06:13:05.848: W/System.err(1011): at android.os.AsyncTask$2.call(AsyncTask.java:287) 06-07 06:13:05.848: W/System.err(1011): at java.util.concurrent.FutureTask.run(FutureTask.java:234) 06-07 06:13:05.858: W/System.err(1011): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 06-07 06:13:05.868: W/System.err(1011): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 06-07 06:13:05.868: W/System.err(1011): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 06-07 06:13:05.868: W/System.err(1011): at java.lang.Thread.run(Thread.java:856) 06-07 06:13:05.868: W/System.err(1011): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory) </code></pre>
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    1. USshivani
    1. USshivani
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    1. CODid you even bother to Google and read the documentation?
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      1. POhow to rename a file while uploading it to the server?
      1. USSimon
    2. COPossible duplicate of http://stackoverflow.com/questions/10424997/android-how-to-rename-a-file
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      1. POhow to rename a file while uploading it to the server?
      1. USTriode
    3. CO@Simon yes i did google this topic for a day...but could not get what i needed..i need to pass the file path to that **uploadFile() method**..how do get the path after renaming it?? my code shows FileNotFound Exception
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      1. USshivani
 

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