@SilhouetteTR #173: Added Picasa Web Albums ripper. (http://picasaweb.google.com)

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

@@ -0,0 +1,124 @@
+package com.rarchives.ripme.ripper.rippers;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+
+import com.rarchives.ripme.ripper.AbstractHTMLRipper;
+import com.rarchives.ripme.utils.Http;
+
+public class PicasaRipper extends AbstractHTMLRipper {
+
+    private Document albumDoc = null;
+
+    public PicasaRipper(URL url) throws IOException {
+        super(url);
+    }
+
+    @Override
+    public String getHost() {
+        return "picasa";
+    }
+    @Override
+    public String getDomain() {
+        return "picasaweb.google.com";
+    }
+
+    @Override
+    public Document getFirstPage() throws IOException {
+        if (albumDoc == null) {
+            albumDoc = Http.url(url).get();
+        }
+        return albumDoc;
+    }
+
+    @Override
+    public Document getNextPage(Document doc) throws IOException {
+        return null;
+    }
+
+    @Override
+    public List<String> getURLsFromPage(Document doc) {
+        List<String> imageURLs = new ArrayList<String>();
+        //for (Element thumb : doc.select("#lhid_content img")) 
+        for (Element thumb : doc.select("img"))
+        {
+        	if (!thumb.hasAttr("src")) {
+                continue;
+            }
+
+        	if (thumb.hasAttr("id") || thumb.hasAttr("width") || thumb.hasAttr("height"))
+        		continue;
+
+        	/*
+        	String cls = thumb.attr("class");
+        	if (cls == null || !cls.equals("goog-icon-list-icon-img"))
+        			continue;
+        	*/
+
+            String image = thumb.attr("src");
+            image = image.replaceAll(
+                    "/s128/",
+                    "/d/");
+            imageURLs.add(image);
+        }
+        return imageURLs;
+    }
+
+    @Override
+    public void downloadURL(URL url, int index) {
+        addURLToDownload(url, getPrefix(index));
+    }
+
+    @Override
+    public String getGID(URL url) throws MalformedURLException {
+
+        Pattern p; Matcher m;
+
+        p = Pattern.compile("^.*picasaweb.google.com/([0-9]+).*$");
+        m = p.matcher(url.toExternalForm());
+        if (m.matches()) {
+            return m.group(1);
+        }
+
+        throw new MalformedURLException(
+                "Expected picasaweb.google.com gallery formats: "
+                        + "picasaweb.google.com/<ID>/... "
+                        + " Got: " + url);
+    }
+
+    @Override
+    public String getAlbumTitle(URL url) throws MalformedURLException {
+
+    	try {
+        	String inUrl = url.toExternalForm();
+        	String sUrl;
+
+            if (inUrl.endsWith("/"))
+            	sUrl = inUrl.substring(0, inUrl.length()-1);
+            else
+            	sUrl = inUrl;
+
+            String id = sUrl.substring(sUrl.lastIndexOf('/') + 1);
+        	id = id.replaceAll("noredirect=1", "");
+
+            if (id.endsWith("?"))
+            	id = id.substring(0, id.length()-1);
+
+        	return getHost() + "_" + getGID(url) + "_" + id;
+
+        } catch (Exception e) {
+            // Fall back to default album naming convention
+        }
+
+    	return super.getAlbumTitle(url);
+    }
+
+}