Added base functionality, working prototype

src/main/java/com/greinet/tvtotalripper/download/ConnectionUtil.java

@@ -0,0 +1,81 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.greinet.tvtotalripper.download;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+/**
+ *
+ * @author agreiner
+ */
+public class ConnectionUtil {
+    
+    private HttpURLConnection httpConn;
+    private InputStream inputStream;
+    private String fileName;
+    private int contentLength;
+    
+    public void prepare(String fileUrl) throws IOException{
+        URL url = new URL(fileUrl);
+        httpConn = (HttpURLConnection) url.openConnection();
+        int responseCode = httpConn.getResponseCode();
+        
+        // always check HTTP response code first
+        if (responseCode == HttpURLConnection.HTTP_OK) {
+            String disposition = httpConn.getHeaderField("Content-Disposition");
+            String contentType = httpConn.getContentType();
+            contentLength = httpConn.getContentLength();
+ 
+            if (disposition != null) {
+                // extracts file name from header field
+                int index = disposition.indexOf("filename=");
+                if (index > 0) {
+                    fileName = disposition.substring(index + 10,
+                            disposition.length() - 1);
+                }
+            } else {
+                // extracts file name from URL
+                fileName = fileUrl.substring(fileUrl.lastIndexOf("/") + 1,
+                        fileUrl.length());
+            }
+ 
+            // output for debugging purpose only
+            System.out.println("Content-Type = " + contentType);
+            System.out.println("Content-Disposition = " + disposition);
+            System.out.println("Content-Length = " + contentLength);
+            System.out.println("fileName = " + fileName);
+ 
+            // opens input stream from the HTTP connection
+            inputStream = httpConn.getInputStream();
+ 
+        } else {
+            throw new IOException(
+                    "No file to download. Server replied HTTP code: "
+                            + responseCode);
+        }
+    }
+    
+    public void disconnect() throws IOException {
+        inputStream.close();
+        httpConn.disconnect();
+    }
+ 
+    public String getFileName() {
+        return this.fileName;
+    }
+ 
+    public int getContentLength() {
+        return this.contentLength;
+    }
+ 
+    public InputStream getInputStream() {
+        return this.inputStream;
+    }
+    
+}

src/main/java/com/greinet/tvtotalripper/download/DownloadTask.java

@@ -0,0 +1,95 @@
+package com.greinet.tvtotalripper.download;
+
+import com.greinet.tvtotalripper.MetaDataWriter;
+import com.greinet.tvtotalripper.crawler.CrawlerUtil;
+import com.greinet.tvtotalripper.crawler.EpisodeWrapper;
+import com.greinet.tvtotalripper.ui.SettingsRipperPanel;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import javax.swing.SwingWorker;
+
+/**
+ *
+ * @author agreiner
+ */
+public class DownloadTask extends SwingWorker<Void, Void> {
+    private static final int BUFFER_SIZE = 4096;
+    
+    private final EpisodeWrapper episodeWrapper;
+    
+     
+    public DownloadTask(EpisodeWrapper episodeWrapper) {
+        this.episodeWrapper = episodeWrapper;
+    }
+
+    public EpisodeWrapper getEpisodeWrapper() {
+        return episodeWrapper;
+    }
+
+    @Override
+    public String toString() {
+        return episodeWrapper.getTitle();
+    }
+    
+    public long fileSize = 0;
+    
+    public long totalBytesRead = 0;
+    
+    public int percentCompleted = 0;
+    
+    /**
+     * Executed in background thread
+     */
+    @Override
+    protected Void doInBackground() throws Exception {
+        try {
+            String downloadURL = CrawlerUtil.getFetchfileURL(episodeWrapper.getUrl());
+            
+            ConnectionUtil util = new ConnectionUtil();
+            util.prepare(downloadURL);
+             
+            InputStream inputStream = util.getInputStream();
+            
+            String fixedTitle = episodeWrapper.getTitle().replace(":", " ");
+            
+            File outputFile = new File(SettingsRipperPanel.DOWNLOADFOLDER, fixedTitle+".mp4");
+            FileOutputStream outputStream = new FileOutputStream(outputFile);
+            byte[] buffer = new byte[BUFFER_SIZE];
+            int bytesRead = -1;
+            totalBytesRead = 0;
+            percentCompleted = 0;
+            int oldPercentCompleted = 0;
+            fileSize = util.getContentLength();
+ 
+            while ((bytesRead = inputStream.read(buffer)) != -1) {
+                outputStream.write(buffer, 0, bytesRead);
+                totalBytesRead += bytesRead;
+                percentCompleted = (int) (totalBytesRead * 100 / fileSize);
+                firePropertyChange(Long.toString(episodeWrapper.getId()), oldPercentCompleted, percentCompleted);
+                oldPercentCompleted = percentCompleted;
+                //setProgress(percentCompleted);
+            }
+ 
+            outputStream.close();
+ 
+            util.disconnect();
+            
+            MetaDataWriter mdp = new MetaDataWriter();
+            mdp.writeMetadata(outputFile.getAbsolutePath(), episodeWrapper.getTitle(), episodeWrapper.getShow(), episodeWrapper.getShow(), episodeWrapper.getEpisode());
+            
+        } catch (IOException ex) {
+            cancel(true);          
+        }
+        return null;
+    }
+ 
+    /**
+     * Executed in Swing's event dispatching thread
+     */
+    @Override
+    protected void done() {
+        firePropertyChange(Long.toString(episodeWrapper.getId()), 0, 101);
+    }  
+}