Fixed bug where files don't download due to missing thumbnail

code will now check multiple formats for thumbnails. Resolution may be lost but its better than nothing

1 files changed, 189 insertions, 0 deletions

diff --git a/FileUtility.java b/FileUtility.java
new file mode 100644
index 0000000..3a1504a
--- /dev/null
+++ b/FileUtility.java
@@ -0,0 +1,189 @@
+import javax.swing.*;

+import javax.swing.filechooser.FileNameExtensionFilter;

+import java.io.*;

+import java.net.URL;

+import java.util.ArrayList;

+import java.util.regex.Matcher;

+import java.util.regex.Pattern;

+

+public class FileUtility {

+    public void deleteFile(String fileName) {

+        File file = new File(fileName);

+        if (file.exists()) {

+            file.delete();

+        }

+    }

+

+    public void downloadImage(String url, String fileName,String[] formats)  {

+        boolean successfulDownload = false;

+        int formatIndex = 0;

+        while(!successfulDownload) {

+            try {

+                FileOutputStream fos = new FileOutputStream(fileName);

+                URL urlObj = new URL(url+formats[formatIndex]);

+                InputStream is = urlObj.openStream();

+                byte[] b = new byte[2048];

+                int length;

+                while ((length = is.read(b)) != -1) {

+                    fos.write(b, 0, length);

+                }

+                fos.close();

+                is.close();

+                successfulDownload = true;

+            } catch (Exception e) {

+                formatIndex++;

+            }

+        }

+

+    }

+

+    public void moveFile(String source, String destination) {

+        File sourceFile = new File(source);

+        File destinationFile = new File(destination);

+        sourceFile.renameTo(destinationFile);

+        System.out.println("Moved file to Completed Folder");

+    }

+    public String removeNonAlphaNumeric(String str) {

+        return str.replaceAll("[^a-zA-Z0-9]", "");

+    }

+    public static String showTextFileChooser() {

+        javax.swing.JFileChooser chooser = new javax.swing.JFileChooser();

+        FileNameExtensionFilter filter = new FileNameExtensionFilter("Text File", "txt", "text");

+        chooser.setFileFilter(filter);

+        chooser.setDialogTitle("Select a text file");

+        chooser.setFileSelectionMode(javax.swing.JFileChooser.FILES_ONLY);

+        chooser.setAcceptAllFileFilterUsed(false);

+        if (chooser.showOpenDialog(null) == javax.swing.JFileChooser.APPROVE_OPTION) {

+            return chooser.getSelectedFile().getAbsolutePath();

+        } else {

+            return null;

+        }

+    }

+    public static File findMP3File(String directory){

+        File dir = new File(directory);

+        File[] files = dir.listFiles();

+        for(File file : files){

+            if(file.getName().endsWith(".mp3")){

+                return file;

+            }

+        }

+        return null;

+    }

+

+    public static String findJsonFile(String folderName) {

+        File folder = new File(folderName);

+        File[] listOfFiles = folder.listFiles();

+        for (int i = 0; i < listOfFiles.length; i++) {

+            if (listOfFiles[i].isFile()) {

+                if (listOfFiles[i].getName().endsWith(".json")) {

+                    return listOfFiles[i].getAbsolutePath();

+                }

+            }

+        }

+        return null;

+    }

+    public static String[] parseJson(String json) {

+        String title = "";

+        String uploader = "";

+        String id = "";

+        Pattern titlePattern = Pattern.compile("\"fulltitle\": \"(.*?)\",");

+        Matcher titleMatcher = titlePattern.matcher(json);

+        Pattern uploaderPattern = Pattern.compile("\"uploader\": \"(.*?)\",");

+        Matcher uploaderMatcher = uploaderPattern.matcher(json);

+        Pattern idPattern = Pattern.compile("\"id\": \"(.*?)\",");

+        Matcher idMatcher = idPattern.matcher(json);

+        titleMatcher.find();

+        idMatcher.find();

+        uploaderMatcher.find();

+        title = titleMatcher.group(1);

+        uploader = uploaderMatcher.group(1);

+        id = idMatcher.group(1);

+        String[] info = {title,uploader,id};

+        return info;

+

+    }

+    public static String jsonToString(String fileName) {

+        String json = "";

+        try {

+            BufferedReader br = new BufferedReader(new FileReader(fileName));

+            StringBuilder sb = new StringBuilder();

+            String line = br.readLine();

+            while (line != null) {

+                sb.append(line);

+                line = br.readLine();

+            }

+            json = sb.toString();

+            br.close();

+        } catch (Exception e) {

+            e.printStackTrace();

+        }

+        return json;

+    }

+    public static void deleteAllFilesDir(String path) {

+        File folder = new File(path);

+        File[] files = folder.listFiles();

+        if (files != null) {

+            for (File f : files) {

+                f.delete();

+            }

+        }

+    }

+

+    public static String showImageFileChooser() {

+        javax.swing.JFileChooser chooser = new javax.swing.JFileChooser();

+        FileNameExtensionFilter filter = new FileNameExtensionFilter("JPEG Image File", "jpg", "jpeg");

+        chooser.setFileFilter(filter);

+        chooser.setDialogTitle("Select a image file");

+        chooser.setFileSelectionMode(javax.swing.JFileChooser.FILES_ONLY);

+        chooser.setAcceptAllFileFilterUsed(false);

+        if (chooser.showOpenDialog(null) == javax.swing.JFileChooser.APPROVE_OPTION) {

+            return chooser.getSelectedFile().getAbsolutePath();

+        } else {

+            return null;

+        }

+    }

+    public static ArrayList<String> txtToArrayList(String fileName) {

+        ArrayList<String> lines = new ArrayList<String>();

+        try {

+            FileReader fr = new FileReader(fileName);

+            BufferedReader br = new BufferedReader(fr);

+            String line;

+            while ((line = br.readLine()) != null) {

+                lines.add(line);

+            }

+            br.close();

+        } catch (Exception e) {

+            e.printStackTrace();

+        }

+        return lines;

+    }

+    public String showDirectoryChooser(){

+        try {

+            JFileChooser fileChooser = new JFileChooser();

+            fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

+            int result = fileChooser.showOpenDialog(null);

+            if (result == JFileChooser.APPROVE_OPTION) {

+                return fileChooser.getSelectedFile().getAbsolutePath();

+            }

+        }

+        catch(Exception e){

+            JOptionPane.showMessageDialog(null,"An unexpected error has occured");

+        }

+        return "";

+    }

+    //get the path of all mp3 files in a directory and return them as a file arraylist

+    public ArrayList<File> getMp3Files(String path){

+        ArrayList<File> mp3Files = new ArrayList<File>();

+        File folder = new File(path);

+        File[] listOfFiles = folder.listFiles();

+

+        for(int i=0;i<listOfFiles.length;i++){

+            if(listOfFiles[i].isFile()){

+                if(listOfFiles[i].getName().endsWith(".mp3")){

+                    mp3Files.add(listOfFiles[i]);

+                }

+            }

+        }

+        return mp3Files;

+    }

+}