import java.net.MalformedURLException;
import java.net.URL;
+import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;
+import net.pterodactylus.arachne.parser.ParserFactory;
import de.ina.util.service.AbstractService;
import de.ina.util.thread.DumpingThreadFactory;
import de.ina.util.validation.Validation;
// INTERNAL MEMBERS
//
+ /** The parser factory. */
+ private ParserFactory parserFactory = new ParserFactory();
+
/** Thread pool for the URL fetches. */
private Executor urlFetcherExecutor = Executors.newFixedThreadPool(1, new DumpingThreadFactory("URLFetcher-"));
*/
public void addPage(URL url) {
Validation.begin().isNotNull("url", url).check().isEqual("url.getHost()", url.getHost(), (Object) nodeHost).isEqual("url.getPort()", url.getPort(), nodePort).check();
- String path = url.getPath();
- if (path.length() == 0) {
- path = "/";
- }
- String[] pathComponents = path.split("/");
- if (pathComponents.length < 2) {
- throw new IllegalArgumentException("URL “" + url + "” is not a valid freenet page.");
- }
- String siteName = pathComponents[1];
- String[] siteComponents = siteName.split("@");
- if (siteComponents.length != 2) {
- throw new IllegalArgumentException("siteName “" + siteName + "” is not a valid freenet page.");
- }
- if (!"USK".equals(siteComponents[0]) && !"SSK".equals(siteComponents[0]) && !"CHK".equals(siteComponents[0])) {
- throw new IllegalArgumentException("siteName “" + siteName + "” is not a valid freenet page.");
- }
- if ("USK".equals(siteComponents[0])) {
- Site site = new Site(siteComponents[1], pathComponents[2]);
- Edition edition = new Edition(site, Integer.parseInt(pathComponents[3]));
- Page page = new Page(edition, createPath(pathComponents, 4));
- addPage(page);
- }
- if ("SSK".equals(siteComponents[0])) {
- int lastDash = pathComponents[2].lastIndexOf('-');
- String basename = pathComponents[2].substring(0, lastDash);
- int editionNumber = Integer.parseInt(pathComponents[2].substring(lastDash + 1));
- Site site = new Site(siteComponents[1], basename);
- Edition edition = new Edition(site, editionNumber);
- Page page = new Page(edition, createPath(pathComponents, 3));
- addPage(page);
- }
- /* TODO: handle CHK */
}
/**
* @see de.ina.util.service.AbstractService#serviceRun()
*/
@Override
+ @SuppressWarnings("null")
protected void serviceRun() {
while (!shouldStop()) {
Page nextPage = null;
if (shouldStop()) {
break;
}
- URL nextURL = createURL(nextPage);
+ URL nextURL = nextPage.toURL(nodeHost, nodePort);
if (nextURL == null) {
logger.log(Level.INFO, "Skipping “" + nextPage + "”.");
continue;
}
- URLFetcher urlFetcher = new URLFetcher(this, nextURL);
- urlFetcherExecutor.execute(urlFetcher);
- }
- }
-
- //
- // PRIVATE METHODS
- //
-
- /**
- * Creates a path from the given String array, starting at the given index.
- * The path is created by joining all Strings from the array, separating
- * them with a slash (‘/’).
- *
- * @param pathComponents
- * The array of path components
- * @param index
- * The index of the first path components
- * @return The joined path
- */
- private String createPath(String[] pathComponents, int index) {
- Validation.begin().isNotNull("pathComponents", pathComponents).check().isLessOrEqual("index", index, pathComponents.length).check();
- StringBuilder path = new StringBuilder();
- for (int pathComponentIndex = index; pathComponentIndex < pathComponents.length; pathComponentIndex++) {
- if (path.length() > 0) {
- path.append('/');
+ URLFetcher urlFetcher;
+ try {
+ logger.log(Level.INFO, "Fetching “" + nextURL + "”...");
+ urlFetcher = new URLFetcher(parserFactory, nextURL);
+ urlFetcherExecutor.execute(urlFetcher);
+ } catch (NoSuchAlgorithmException nsae1) {
+ logger.log(Level.SEVERE, "Could not get “SHA-256” message digest!", nsae1);
}
- path.append(pathComponents[pathComponentIndex]);
- }
- return path.toString();
- }
-
- /**
- * Creates a URL from the given page.
- *
- * @param page
- * The page to create a URL from
- * @return The created URL, or <code>null</code> if the URL could not be
- * created
- */
- private URL createURL(Page page) {
- try {
- return new URL("http://" + nodeHost + ":" + nodePort + "/SSK@" + page.getEdition().getSite().getKey() + "/" + page.getEdition().getSite().getBasename() + "-" + page.getEdition().getNumber() + "/" + page.getPath());
- } catch (MalformedURLException mue1) {
- /* nearly impossible. */
}
- return null;
}
}