Delete empty directories after rip

Closes #33

Also better error message handling when ripper errors.

src/main/java/com/rarchives/ripme/ripper/AbstractRipper.java

@@ -11,6 +11,7 @@ import java.util.Map;
 import java.util.Observable;
 
 import org.apache.log4j.Logger;
+import org.jsoup.HttpStatusException;
 
 import com.rarchives.ripme.ui.RipStatusHandler;
 import com.rarchives.ripme.ui.RipStatusMessage;
@@ -287,9 +288,21 @@ public abstract class AbstractRipper
     public void run() {
         try {
             rip();
+        } catch (HttpStatusException e) {
+            logger.error("Got exception while running ripper:", e);
+            sendUpdate(STATUS.RIP_ERRORED, "Status=" + e.getStatusCode() + ", URL=" + e.getUrl());
         } catch (IOException e) {
             logger.error("Got exception while running ripper:", e);
-            waitForThreads();
+            sendUpdate(STATUS.RIP_ERRORED, e.getMessage());
+        } finally {
+            if (this.workingDir.list().length == 0) {
+                // No files, delete the dir
+                logger.info("Deleting empty directory " + this.workingDir);
+                boolean deleteResult = this.workingDir.delete();
+                if (!deleteResult) {
+                    logger.error("Unable to delete empty directory " +  this.workingDir);
+                }
+            }
         }
     }
 

src/main/java/com/rarchives/ripme/ripper/AlbumRipper.java

@@ -8,6 +8,11 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.jsoup.Connection;
+import org.jsoup.Connection.Method;
+import org.jsoup.Connection.Response;
+import org.jsoup.Jsoup;
+
 import com.rarchives.ripme.ui.RipStatusMessage;
 import com.rarchives.ripme.ui.RipStatusMessage.STATUS;
 import com.rarchives.ripme.utils.Utils;
@@ -170,4 +175,46 @@ public abstract class AlbumRipper extends AbstractRipper {
           .append(", Errored: "  ).append(itemsErrored.size());
         return sb.toString();
     }
+    
+    public Response getResponse(String url, 
+                                Method method,
+                                String userAgent, 
+                                String referrer, 
+                                Map<String,String> cookies, 
+                                boolean ignoreContentType)
+                    throws IOException {
+        Connection connection = Jsoup.connect(url);
+
+        if (method == null) {
+            method = Method.GET;
+        }
+        connection.method(method);
+
+        if (userAgent == null) {
+            userAgent = USER_AGENT;
+        }
+        connection.userAgent(userAgent);
+
+        if (cookies != null) {
+            connection.cookies(cookies);
+        }
+
+        if (referrer != null) {
+            connection.referrer(referrer);
+        }
+        connection.ignoreContentType(ignoreContentType);
+
+        Response response = null;
+        int retries = Utils.getConfigInteger("download.retries", 1);;
+        while (retries >= 0) {
+            retries--;
+            try {
+                response = connection.execute();
+            } catch (IOException e) {
+                logger.warn("Error while loading " + url, e);
+                continue;
+            }
+        }
+        return response;
+    }
 }

src/main/java/com/rarchives/ripme/ui/MainWindow.java

@@ -735,10 +735,21 @@ public class MainWindow implements Runnable, RipStatusHandler {
         case DOWNLOAD_ERRORED:
             appendLog( "Error: " + (String) msg.getObject(), Color.RED);
             break;
-
         case DOWNLOAD_WARN:
             appendLog( "Warn: " + (String) msg.getObject(), Color.ORANGE);
             break;
+        
+        case RIP_ERRORED:
+            appendLog( "Error: " + (String) msg.getObject(), Color.RED);
+            ripButton.setVisible(true);
+            stopButton.setVisible(false);
+            ripTextfield.setEnabled(true);
+            statusProgress.setValue(0);
+            statusProgress.setVisible(false);
+            openButton.setVisible(false);
+            mainFrame.pack();
+            statusWithColor("Error: " + (String) msg.getObject(), Color.RED);
+            break;
 
         case RIP_COMPLETE:
             if (!historyListModel.contains(ripTextfield.getText())) {

src/main/java/com/rarchives/ripme/ui/RipStatusMessage.java

@@ -13,7 +13,8 @@ public class RipStatusMessage {
         RIP_COMPLETE("Rip Complete"), 
         DOWNLOAD_WARN("Download problem"),
         TOTAL_BYTES("Total bytes"),
-        COMPLETED_BYTES("Completed bytes");
+        COMPLETED_BYTES("Completed bytes"),
+        RIP_ERRORED("Rip Errored");
 
         String value;
         STATUS(String value) {