Added Mnetwork download mirror.

URL: http://osu.uu.gl/

Note that there's no API available, so this just parses the HTML for beatmap data.  It's pretty slow compared to the other servers.

Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han 2015-08-08 20:34:49 -05:00
parent 0909377d14
commit 8173b9b4c2
2 changed files with 137 additions and 1 deletions

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@ -0,0 +1,133 @@
/*
* opsu! - an open-source osu! client
* Copyright (C) 2014, 2015 Jeffrey Han
*
* opsu! is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* opsu! is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with opsu!. If not, see <http://www.gnu.org/licenses/>.
*/
package itdelatrisu.opsu.downloads.servers;
import itdelatrisu.opsu.ErrorHandler;
import itdelatrisu.opsu.Utils;
import itdelatrisu.opsu.downloads.DownloadNode;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Download server: http://osu.uu.gl/
*/
public class MnetworkServer extends DownloadServer {
/** Server name. */
private static final String SERVER_NAME = "Mnetwork";
/** Formatted download URL: {@code beatmapSetID} */
private static final String DOWNLOAD_URL = "http://osu.uu.gl/s/%d";
/** Formatted search URL: {@code query} */
private static final String SEARCH_URL = "http://osu.uu.gl/d/%s";
/** Total result count from the last query. */
private int totalResults = -1;
/** Beatmap pattern. */
private Pattern BEATMAP_PATTERN = Pattern.compile("^(\\d+) ([^-]+) - (.+)\\.osz$");
/** Constructor. */
public MnetworkServer() {}
@Override
public String getName() { return SERVER_NAME; }
@Override
public String getDownloadURL(int beatmapSetID) {
return String.format(DOWNLOAD_URL, beatmapSetID);
}
@Override
public DownloadNode[] resultList(String query, int page, boolean rankedOnly) throws IOException {
DownloadNode[] nodes = null;
try {
// read HTML
String queryString = (query.isEmpty()) ? "-" : query;
String search = String.format(SEARCH_URL, URLEncoder.encode(queryString, "UTF-8"));
String html = Utils.readDataFromUrl(new URL(search));
if (html == null) {
this.totalResults = -1;
return null;
}
// parse results
// NOTE: Not using a full HTML parser because this is a relatively simple operation.
// FORMAT:
// <div class="tr_title">
// <b><a href='/s/{{id}}'>{{id}} {{artist}} - {{title}}.osz</a></b><br />
// BPM: {{bpm}} <b>|</b> Total Time: {{m}}:{{s}}<br/>
// Genre: {{genre}} <b>|</b> Updated: {{MMM}} {{d}}, {{yyyy}}<br />
List<DownloadNode> nodeList = new ArrayList<DownloadNode>();
final String START_TAG = "<div class=\"tr_title\">", HREF_TAG = "<a href=", UPDATED = "Updated: ";
int index = -1;
int nextIndex = html.indexOf(START_TAG, index + 1);
while ((index = nextIndex) != -1) {
nextIndex = html.indexOf(START_TAG, index + 1);
int n = (nextIndex == -1) ? html.length() : nextIndex;
int i, j;
// find beatmap
i = html.indexOf(HREF_TAG, index + START_TAG.length());
if (i == -1 || i > n) continue;
i = html.indexOf('>', i + HREF_TAG.length());
if (i == -1 || i >= n) continue;
j = html.indexOf('<', i + 1);
if (j == -1 || j > n) continue;
String beatmap = html.substring(i + 1, j).trim();
// find date
i = html.indexOf(UPDATED, j);
if (i == -1 || i >= n) continue;
j = html.indexOf('<', i + UPDATED.length());
if (j == -1 || j > n) continue;
String date = html.substring(i + UPDATED.length(), j).trim();
// parse id, title, and artist
Matcher m = BEATMAP_PATTERN.matcher(beatmap);
if (!m.matches())
continue;
nodeList.add(new DownloadNode(Integer.parseInt(m.group(1)), date, m.group(3), null, m.group(2), null, ""));
}
nodes = nodeList.toArray(new DownloadNode[nodeList.size()]);
// store total result count
this.totalResults = nodes.length;
} catch (MalformedURLException | UnsupportedEncodingException e) {
ErrorHandler.error(String.format("Problem loading result list for query '%s'.", query), e, true);
}
return nodes;
}
@Override
public int minQueryLength() { return 0; }
@Override
public int totalResults() { return totalResults; }
}

View File

@ -35,6 +35,7 @@ import itdelatrisu.opsu.downloads.DownloadNode;
import itdelatrisu.opsu.downloads.servers.BloodcatServer;
import itdelatrisu.opsu.downloads.servers.DownloadServer;
import itdelatrisu.opsu.downloads.servers.HexideServer;
import itdelatrisu.opsu.downloads.servers.MnetworkServer;
import itdelatrisu.opsu.downloads.servers.YaSOnlineServer;
import itdelatrisu.opsu.ui.MenuButton;
import itdelatrisu.opsu.ui.UI;
@ -74,7 +75,9 @@ public class DownloadsMenu extends BasicGameState {
private static final int MIN_REQUEST_INTERVAL = 300;
/** Available beatmap download servers. */
private static final DownloadServer[] SERVERS = { new BloodcatServer(), new HexideServer(), new YaSOnlineServer() };
private static final DownloadServer[] SERVERS = {
new BloodcatServer(), new HexideServer(), new YaSOnlineServer(), new MnetworkServer()
};
/** The beatmap download server index. */
private int serverIndex = 0;