Added Drawcrowd ripper #8

src/main/java/com/rarchives/ripme/ripper/rippers/DrawcrowdRipper.java

@@ -0,0 +1,102 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.log4j.Logger;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import com.rarchives.ripme.ripper.AlbumRipper;
+import com.rarchives.ripme.ui.RipStatusMessage.STATUS;
+
+public class DrawcrowdRipper extends AlbumRipper {
+
+    private static final String DOMAIN = "drawcrowd.com",
+                                HOST   = "drawcrowd";
+    private static final Logger logger = Logger.getLogger(DrawcrowdRipper.class);
+
+    public DrawcrowdRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return HOST;
+    }
+
+    /**
+     * Reformat given URL into the desired format (all images on single page)
+     */
+    public URL sanitizeURL(URL url) throws MalformedURLException {
+        return url;
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+        Pattern p; Matcher m;
+
+
+        p = Pattern.compile("^.*drawcrowd.com/projects/.*$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            throw new MalformedURLException("Cannot rip drawcrowd.com/projects/ pages");
+        }
+
+        p = Pattern.compile("^.*drawcrowd.com/([a-zA-Z0-9\\-_]+).*$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            return m.group(1);
+        }
+
+        throw new MalformedURLException(
+                "Expected drawcrowd.com gallery format: "
+                        + "drawcrowd.com/username"
+                        + " Got: " + url);
+    }
+
+    @Override
+    public void rip() throws IOException {
+        int index = 0;
+        sendUpdate(STATUS.LOADING_RESOURCE, this.url.toExternalForm());
+        logger.info("    Retrieving " + this.url.toExternalForm());
+        Document albumDoc = Jsoup.connect(this.url.toExternalForm()).get();
+        while (true) {
+            if (isStopped()) {
+                break;
+            }
+            for (Element thumb : albumDoc.select("div.item.asset img")) {
+                String image = thumb.attr("src");
+                image = image
+                        .replaceAll("/medium/", "/large/")
+                        .replaceAll("/small/", "/large/");
+                index++;
+                addURLToDownload(new URL(image), String.format("%03d_", index));
+            }
+            Elements loadMore = albumDoc.select("a#load-more");
+            if (loadMore.size() == 0) {
+                break;
+            }
+            String nextURL = "http://drawcrowd.com" + loadMore.get(0).attr("href");
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                logger.error("Interrupted while waiting to load next page", e);
+                throw new IOException(e);
+            }
+            sendUpdate(STATUS.LOADING_RESOURCE, nextURL);
+            albumDoc = Jsoup.connect(nextURL).get();
+        }
+        waitForThreads();
+    }
+
+    public boolean canRip(URL url) {
+        return url.getHost().endsWith(DOMAIN);
+    }
+
+}