diff options
Diffstat (limited to 'FileUtility.java')
| -rw-r--r-- | FileUtility.java | 189 |
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;
+ }
+}
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