Heritage Transfer ServerFile

app/src/main/java/com/localtransfer/ServerFile.java

@@ -0,0 +1,217 @@
+package com.localtransfer;
+
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.widget.Button;
+import android.widget.LinearLayout;
+
+import com.google.android.material.snackbar.Snackbar;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ServerFile extends Transfer {
+
+    private Integer id;
+
+    public String name;
+
+    public String href;
+
+    public String mime;
+
+    public String type;
+
+    public long size;
+
+    public String save_location;
+
+    public Uri uri;
+
+    public Button button;
+
+    public Progress progress;
+
+    private static List<ServerFile> instances = new ArrayList<>();
+
+    public ServerFile(Integer id) {
+        this.id = id;
+        instances.add(this);
+    }
+
+    public static List getInstances() {
+        return instances;
+    }
+
+    public static ServerFile getFileById(int id) {
+        for (Object obj: instances) {
+            ServerFile p = (ServerFile) obj;
+            if (p.id == id) return p;
+        }
+        return null;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public boolean exist(Context context) {
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
+            Cursor cursor = context.getContentResolver().query(MediaStore.Downloads.EXTERNAL_CONTENT_URI, null, null, null, null);
+            while (cursor.moveToNext()) {
+                String MediaStore_File_name = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Downloads.DISPLAY_NAME));
+                long MediaStore_File_size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Downloads.SIZE));
+                if(MediaStore_File_name.equals(name) && MediaStore_File_size == size) {
+                    int cursor_id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Downloads._ID));
+                    uri = ContentUris.withAppendedId(MediaStore.Downloads.EXTERNAL_CONTENT_URI, cursor_id);
+                    return true;
+                }
+            }
+        }
+        else {
+            File file = new File(save_location, name);
+            new File(save_location).mkdirs();
+            uri = Uri.fromFile(file);
+            if (file.exists() && file.length() == size)
+                return true;
+        }
+        return false;
+    }
+
+    public InputStream getThumbnail() {
+        InputStream thumbnail = null;
+        URL url;
+        try {
+            String query = URLEncoder.encode(href, StandardCharsets.UTF_8.toString());
+            String serverUrl = root + "/thumbnail.php?file=" + query;
+            url = new URL(protocol, host, port, serverUrl);
+            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+            conn.setRequestMethod("GET");
+            conn.setConnectTimeout(2000);
+
+            conn.connect();
+
+            thumbnail = conn.getInputStream();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return thumbnail;
+    }
+
+    public void downloadFile() throws IOException {
+
+        URL url = null;
+        HttpURLConnection conn = null;
+        int maxBufferSize = 1 * 1024 * 1024;
+        byte[] buffer = new byte[maxBufferSize];
+        int bufferLength;
+        long loaded = 0;
+
+        String[] parts = href.split("/");
+        String path = "";
+        for(int i=0; i< parts.length - 1; i++) {
+            path = path + parts[i] + "/";
+        }
+        String query = URLEncoder.encode(parts[parts.length - 1], StandardCharsets.UTF_8.toString());
+        url = new URL(protocol, host, port, path + query.replace("+", "%20"));
+        conn = (HttpURLConnection) url.openConnection();
+        conn.setDoOutput(true);
+        conn.setRequestMethod("GET");
+        conn.setConnectTimeout(2000);
+
+        Log.d("URL", url.toString());
+
+        conn.connect();
+
+        int responseCode = conn.getResponseCode();
+
+        if (responseCode == HttpURLConnection.HTTP_OK) {
+
+            OutputStream fileOutput = activity.getContentResolver().openOutputStream(uri);
+            InputStream in = conn.getInputStream();
+
+            while ((bufferLength = in.read(buffer)) > 0) {
+                fileOutput.write(buffer, 0, bufferLength);
+                loaded+= (long) bufferLength;
+                progress.loaded = loaded;
+                progress.percent = ((loaded * 100) / size);
+                if(Progress.app_started && progress.button != null)
+                    activity.runOnUiThread(() -> progress.button.setText(String.format("Download in progress %d%%", progress.percent)));
+            }
+            fileOutput.close();
+
+            conn.disconnect();
+
+            progress.stopProgress();
+
+            if(progress.button != null) {
+                activity.runOnUiThread(() -> {
+                    final LinearLayout layout = (LinearLayout) progress.button.getParent();
+                    layout.findViewById(R.id.file_view).setVisibility(LinearLayout.VISIBLE);
+                    layout.findViewById(R.id.file_share).setVisibility(LinearLayout.VISIBLE);
+                    progress.button.setVisibility(LinearLayout.GONE);
+                    progress.button.setEnabled(true);
+
+                    progress.button.setText(activity.getString(R.string.file_download));
+                    progress.button.setCompoundDrawables(progress.button.getCompoundDrawables()[0], null, null, null);
+                });
+            }
+            activity.runOnUiThread(() -> {
+                String message = "File " + name + " successful download";
+                System.out.println(message);
+                Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            });
+        }
+        else {
+            String s = conn.getResponseMessage();
+            throw new HttpErrorException("error code: " + responseCode + " " + s);
+        }
+
+        conn.disconnect();
+    }
+
+    public String deleteFile() throws IOException {
+
+        URL url = null;
+        HttpURLConnection conn = null;
+
+        String message;
+
+        String query = URLEncoder.encode(name, StandardCharsets.UTF_8.toString());
+        String serverUrl = root + "/delete.php?file=" + query;
+        url = new URL(protocol, host, port, serverUrl);
+        conn = (HttpURLConnection) url.openConnection();
+        conn.setRequestMethod("GET");
+        conn.setConnectTimeout(2000);
+
+        conn.connect();
+
+        int responseCode = conn.getResponseCode();
+
+        if (responseCode == HttpURLConnection.HTTP_OK) {
+
+            message = "File " + name + " successful deleted";
+        }
+        else {
+            String s = conn.getResponseMessage();
+            throw new HttpErrorException("error code: " + responseCode + " " + s);
+        }
+
+        conn.disconnect();
+
+        return message;
+    }
+}

app/src/main/java/com/localtransfer/Transfer.java

@@ -9,6 +9,7 @@ import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.provider.OpenableColumns;
 import android.util.Log;
+import android.view.Gravity;
 import android.view.animation.Animation;
 import android.view.animation.LinearInterpolator;
 import android.widget.Button;
@@ -289,131 +290,6 @@ public class Transfer {
         return fileList;
     }
 
-    public static InputStream getThumbnail(String href) {
-        InputStream thumbnail = null;
-            URL url;
-            try {
-                String query = URLEncoder.encode(href, StandardCharsets.UTF_8.toString());
-                String serverUrl = root + "/thumbnail.php?file=" + query;
-                url = new URL(protocol, host, port, serverUrl);
-                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
-                conn.setRequestMethod("GET");
-                conn.setConnectTimeout(2000);
-
-                conn.connect();
-
-                thumbnail = conn.getInputStream();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        return thumbnail;
-    }
-
-    public static void downloadFile(TransferFile file) throws IOException {
-
-        URL url = null;
-        HttpURLConnection conn = null;
-        int maxBufferSize = 1 * 1024 * 1024;
-        byte[] buffer = new byte[maxBufferSize];
-        int bufferLength;
-        long loaded = 0;
-
-        String[] parts = file.href.split("/");
-        String path = "";
-        for(int i=0; i< parts.length - 1; i++) {
-            path = path + parts[i] + "/";
-        }
-        String query = URLEncoder.encode(parts[parts.length - 1], StandardCharsets.UTF_8.toString());
-        url = new URL(protocol, host, port, path + query.replace("+", "%20"));
-        conn = (HttpURLConnection) url.openConnection();
-        conn.setDoOutput(true);
-        conn.setRequestMethod("GET");
-        conn.setConnectTimeout(2000);
-
-        Log.d("URL", url.toString());
-
-        conn.connect();
-
-        int responseCode = conn.getResponseCode();
-
-        if (responseCode == HttpURLConnection.HTTP_OK) {
-
-            OutputStream fileOutput = activity.getContentResolver().openOutputStream(file.uri);
-            InputStream in = conn.getInputStream();
-
-            while ((bufferLength = in.read(buffer)) > 0) {
-                fileOutput.write(buffer, 0, bufferLength);
-                loaded+= (long) bufferLength;
-                file.progress.loaded = loaded;
-                file.progress.percent = ((loaded * 100) / file.size);
-                if(Progress.app_started && file.progress.button != null)
-                    activity.runOnUiThread(() -> file.progress.button.setText(String.format("Download in progress %d%%", file.progress.percent)));
-            }
-            fileOutput.close();
-
-            conn.disconnect();
-
-            file.progress.stopProgress();
-
-            if(file.progress.button != null) {
-                activity.runOnUiThread(() -> {
-                    final LinearLayout layout = (LinearLayout) file.progress.button.getParent();
-                    layout.findViewById(R.id.file_view).setVisibility(LinearLayout.VISIBLE);
-                    layout.findViewById(R.id.file_share).setVisibility(LinearLayout.VISIBLE);
-                    file.progress.button.setVisibility(LinearLayout.GONE);
-                    file.progress.button.setEnabled(true);
-
-                    file.progress.button.setText(activity.getString(R.string.file_download));
-                    file.progress.button.setCompoundDrawables(file.progress.button.getCompoundDrawables()[0], null, null, null);
-                });
-            }
-            activity.runOnUiThread(() -> {
-                String message = "File " + file.name + " successful download";
-                System.out.println(message);
-                Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
-                        .setAction("Action", null).show();
-            });
-        }
-        else {
-            String s = conn.getResponseMessage();
-            throw new HttpErrorException("error code: " + responseCode + " " + s);
-        }
-
-        conn.disconnect();
-    }
-
-    public static String deleteFile(String file) throws IOException {
-
-        URL url = null;
-        HttpURLConnection conn = null;
-
-        String message;
-
-        String query = URLEncoder.encode(file, StandardCharsets.UTF_8.toString());
-        String serverUrl = root + "/delete.php?file=" + query;
-        url = new URL(protocol, host, port, serverUrl);
-        conn = (HttpURLConnection) url.openConnection();
-        conn.setRequestMethod("GET");
-        conn.setConnectTimeout(2000);
-
-        conn.connect();
-
-        int responseCode = conn.getResponseCode();
-
-        if (responseCode == HttpURLConnection.HTTP_OK) {
-
-            message = "File " + file + " successful deleted";
-        }
-        else {
-            String s = conn.getResponseMessage();
-            throw new HttpErrorException("error code: " + responseCode + " " + s);
-        }
-
-        conn.disconnect();
-
-        return message;
-    }
-
     private static int timeout;
 
     public static void error(final String message, final TextView title, final LinearLayout layout) {
@@ -422,18 +298,18 @@ public class Transfer {
 
         if (timeout == 0) {
             if (activity != null) {
-                activity.runOnUiThread(new Runnable() {
+                activity.runOnUiThread(() -> {
-                    @Override
-                    public void run() {
                     if(layout != null)
                         layout.removeAllViews();
                     if(title != null) {
+                        title.setTextSize(18);
+                        title.setGravity(Gravity.CENTER);
+                        title.setHeight(1000);
                         layout.addView(title);
                         title.setText(message);
                     }
                     Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
                             .setAction("Action", null).show();
-                    }
                 });
             }
             timeout = 1;

app/src/main/java/com/localtransfer/TransferFile.java

@@ -1,81 +0,0 @@
-package com.localtransfer;
-
-import android.content.ContentUris;
-import android.content.Context;
-import android.database.Cursor;
-import android.net.Uri;
-import android.provider.MediaStore;
-import android.widget.Button;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
-
-public class TransferFile {
-
-    private Integer id;
-
-    public String name;
-
-    public String href;
-
-    public String mime;
-
-    public String type;
-
-    public long size;
-
-    public String save_location;
-
-    public Uri uri;
-
-    public Button button;
-
-    public Progress progress;
-
-    private static List<TransferFile> instances = new ArrayList<>();
-
-    public TransferFile(Integer id) {
-        this.id = id;
-        instances.add(this);
-    }
-
-    public static List getInstances() {
-        return instances;
-    }
-
-    public static TransferFile getDownload(int id) {
-        for (Object obj: instances) {
-            TransferFile p = (TransferFile) obj;
-            if (p.id == id) return p;
-        }
-        return null;
-    }
-
-    public Integer getId() {
-        return id;
-    }
-
-    public boolean exist(Context context) {
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-            Cursor cursor = context.getContentResolver().query(MediaStore.Downloads.EXTERNAL_CONTENT_URI, null, null, null, null);
-            while (cursor.moveToNext()) {
-                String MediaStore_File_name = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Downloads.DISPLAY_NAME));
-                long MediaStore_File_size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Downloads.SIZE));
-                if(MediaStore_File_name.equals(name) && MediaStore_File_size == size) {
-                    int cursor_id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Downloads._ID));
-                    uri = ContentUris.withAppendedId(MediaStore.Downloads.EXTERNAL_CONTENT_URI, cursor_id);
-                    return true;
-                }
-            }
-        }
-        else {
-            File file = new File(save_location, name);
-            new File(save_location).mkdirs();
-            uri = Uri.fromFile(file);
-            if (file.exists() && file.length() == size)
-                return true;
-        }
-        return false;
-    }
-}

app/src/main/java/com/localtransfer/fragment/DownloadFragment.java

@@ -30,7 +30,7 @@ import com.google.android.material.snackbar.Snackbar;
 import com.localtransfer.Progress;
 import com.localtransfer.R;
 import com.localtransfer.Transfer;
-import com.localtransfer.TransferFile;
+import com.localtransfer.ServerFile;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -111,10 +111,10 @@ public class DownloadFragment extends Fragment {
     public boolean onContextItemSelected(MenuItem item) {
         if (item.getTitle() == "Delete") {
             LinearLayout fileDesc = (LinearLayout) root.findViewById(item.getItemId());
-            final String file = String.valueOf(fileDesc.getTag(R.id.ID_FILE_NAME));
+            ServerFile file = ServerFile.getFileById((Integer) fileDesc.getTag(R.id.ID_DOWNLOAD));
             new Thread(() -> {
                 try {
-                    String message = Transfer.deleteFile(file);
+                    String message = file.deleteFile();
                     System.out.println(message);
                     getActivity().runOnUiThread(() ->
                             Snackbar.make(getActivity().findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
@@ -164,7 +164,7 @@ public class DownloadFragment extends Fragment {
                         JSONArray array = new JSONArray(data);
                         for (int i = 0; i < array.length(); i++) {
                             Integer id = View.generateViewId();
-                            TransferFile trFile = new TransferFile(id);
+                            ServerFile trFile = new ServerFile(id);
 
                             JSONObject row = array.getJSONObject(i);
                             trFile.name = row.getString("name");
@@ -192,9 +192,9 @@ public class DownloadFragment extends Fragment {
         }).start();
     }
 
-    private void setThumbnail(String href, ImageView image) {
+    private void setThumbnail(ServerFile file, ImageView image) {
         new Thread(() -> {
-            InputStream thumbnail = Transfer.getThumbnail(href);
+            InputStream thumbnail = file.getThumbnail();
             Bitmap bitmap = BitmapFactory.decodeStream(thumbnail);
             getActivity().runOnUiThread(() -> {
                 image.setImageBitmap(bitmap);
@@ -202,7 +202,7 @@ public class DownloadFragment extends Fragment {
         }).start();
     }
 
-    private void showFileList(TransferFile trFile) {
+    private void showFileList(ServerFile trFile) {
 
         final LinearLayout main_layout = root.findViewById(R.id.main_layout);
 
@@ -217,8 +217,11 @@ public class DownloadFragment extends Fragment {
 
         fileDesc.setId(View.generateViewId());
 
+        registerForContextMenu(fileDesc);
+
         file_buttons.setId(trFile.getId());
         file_buttons.setTag(R.id.ID_DOWNLOAD, trFile.getId());
+        fileDesc.setTag(R.id.ID_DOWNLOAD, trFile.getId());
         file_buttons.setTag(R.id.ID_FILE_BUTTONS, "FOR VISIBILITY");
 
         trFile.button = file_buttons.findViewById(R.id.file_download);
@@ -228,9 +231,6 @@ public class DownloadFragment extends Fragment {
         else
             trFile.save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
 
-        registerForContextMenu(fileDesc);
-        fileDesc.setTag(R.id.ID_FILE_NAME, trFile.name);
-
         viewName.setText(trFile.name);
         viewType.setText(trFile.mime);
         viewSize.setText(Transfer.humanReadableByteCountBin(trFile.size));
@@ -238,11 +238,11 @@ public class DownloadFragment extends Fragment {
         switch (trFile.type) {
             case "file-image":
                 image.setImageResource(R.drawable.ic_icon_image);
-                setThumbnail(trFile.href, image);
+                setThumbnail(trFile, image);
                 break;
             case "file-video":
                 image.setImageResource(R.drawable.ic_icon_video);
-                setThumbnail(trFile.href, image);
+                setThumbnail(trFile, image);
                 break;
             case "file-audio":
                 image.setImageResource(R.drawable.ic_icon_music);
@@ -317,7 +317,7 @@ public class DownloadFragment extends Fragment {
         anim.setInterpolator(new LinearInterpolator());
         anim.start();
 
-        TransferFile file = TransferFile.getDownload(id);
+        ServerFile file = ServerFile.getFileById(id);
 
         file.progress = new Progress(file.name, file.size, Progress.DOWNLOAD);
         file.progress.button = file.button;
@@ -332,7 +332,7 @@ public class DownloadFragment extends Fragment {
 
         new Thread(() -> {
             try {
-                Transfer.downloadFile(file);
+                file.downloadFile();
             } catch (IOException e) {
                 final String ExceptionName = e.getClass().getSimpleName();
                 final String ExceptionMess = e.getMessage();
@@ -349,7 +349,7 @@ public class DownloadFragment extends Fragment {
         LinearLayout layout = (LinearLayout) v.getParent();
         final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
 
-        TransferFile dl = TransferFile.getDownload(id);
+        ServerFile dl = ServerFile.getFileById(id);
 
         if(dl.type.equals("text/plain")) {
             String text = null;
@@ -398,7 +398,7 @@ public class DownloadFragment extends Fragment {
         LinearLayout layout = (LinearLayout) v.getParent();
         final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
 
-        TransferFile dl = TransferFile.getDownload(id);
+        ServerFile dl = ServerFile.getFileById(id);
 
         try {
             Intent intent = new Intent(Intent.ACTION_VIEW);

app/src/main/res/values/ids.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <item name="ID_DOWNLOAD" type="id" />
-    <item name="ID_FILE_NAME" type="id" />
     <item name="ID_FILE_BUTTONS" type="id" />
 </resources>