New MengSkyServer API.
Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han
parent
76c8efb0c2
commit
f3918b7b60
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@ -27,8 +27,9 @@ import java.io.UnsupportedEncodingException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import org.json.JSONArray;
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import org.json.JSONObject;
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/**
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* Download server: http://osu.mengsky.net/
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@ -38,13 +39,10 @@ public class MengSkyServer extends DownloadServer {
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private static final String SERVER_NAME = "MengSky";
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/** Formatted download URL: {@code beatmapSetID} */
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private static final String DOWNLOAD_URL = "http://osu.mengsky.net/d.php?id=%d";
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private static final String DOWNLOAD_URL = "http://osu.mengsky.net/api/download/%d";
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/** Formatted search URL: {@code query} */
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private static final String SEARCH_URL = "http://osu.mengsky.net/index.php?search_keywords=%s";
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/** Formatted home URL: {@code page} */
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private static final String HOME_URL = "http://osu.mengsky.net/index.php?next=1&page=%d";
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/** Formatted search URL: {@code query,page,unranked,approved,qualified} */
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private static final String SEARCH_URL = "http://osu.mengsky.net/api/beatmapinfo?query=%s&page=%d&ranked=1&unrank=%d&approved=%d&qualified=%d";
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/** Maximum beatmaps displayed per page. */
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private static final int PAGE_LIMIT = 20;
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@ -67,127 +65,41 @@ public class MengSkyServer extends DownloadServer {
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public DownloadNode[] resultList(String query, int page, boolean rankedOnly) throws IOException {
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DownloadNode[] nodes = null;
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try {
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// read HTML
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String search;
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boolean isSearch;
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if (query.isEmpty()) {
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isSearch = false;
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search = String.format(HOME_URL, page - 1);
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} else {
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isSearch = true;
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search = String.format(SEARCH_URL, URLEncoder.encode(query, "UTF-8"));
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// read JSON
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int rankedOnlyFlag = rankedOnly ? 0 : 1;
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String search = String.format(
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SEARCH_URL, URLEncoder.encode(query, "UTF-8"), page,
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rankedOnlyFlag, rankedOnlyFlag, rankedOnlyFlag
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);
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JSONObject json = Utils.readJsonObjectFromUrl(new URL(search));
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// parse result list
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JSONArray arr = json.getJSONArray("data");
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nodes = new DownloadNode[arr.length()];
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for (int i = 0; i < nodes.length; i++) {
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JSONObject item = arr.getJSONObject(i);
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String
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title = item.getString("title"), titleU = item.getString("titleU"),
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artist = item.getString("artist"), artistU = item.getString("artistU"),
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creator = item.getString("creator");
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// bug with v1.x API (as of 10-13-16):
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// sometimes titleU is artistU instead of the proper title
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if (titleU.equals(artistU) && !titleU.equals(title))
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titleU = title;
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nodes[i] = new DownloadNode(
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item.getInt("id"), item.getString("syncedDateTime"),
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title, titleU, artist, artistU, creator
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);
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}
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String html = Utils.readDataFromUrl(new URL(search));
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if (html == null) {
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this.totalResults = -1;
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return null;
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}
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// parse results
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// NOTE: Maybe an HTML parser would be better for this...
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// FORMAT:
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// <div class="beatmap" style="{{...}}">
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// <div class="preview" style="background-image:url(http://b.ppy.sh/thumb/{{id}}l.jpg)"></div>
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// <div class="name"> <a href="">{{artist}} - {{title}}</a> </div>
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// <div class="douban_details">
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// <span>Creator:</span> {{creator}}<br>
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// <span>MaxBpm:</span> {{bpm}}<br>
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// <span>Title:</span> {{titleUnicode}}<br>
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// <span>Artist:</span> {{artistUnicode}}<br>
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// <span>Status:</span> <font color={{"#00CD00" || "#EE0000"}}>{{"Ranked?" || "Unranked"}}</font><br>
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// </div>
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// <div class="details"> <a href=""></a> <br>
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// <span>Fork:</span> bloodcat<br>
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// <span>UpdateTime:</span> {{yyyy}}/{{mm}}/{{dd}} {{hh}}:{{mm}}:{{ss}}<br>
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// <span>Mode:</span> <img id="{{'s' || 'c' || ...}}" src="/img/{{'s' || 'c' || ...}}.png"> {{...}}
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// </div>
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// <div class="download">
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// <a href="https://osu.ppy.sh/s/{{id}}" class=" btn" target="_blank">Osu.ppy</a>
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// </div>
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// <div class="download">
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// <a href="http://osu.mengsky.net/d.php?id={{id}}" class=" btn" target="_blank">DownLoad</a>
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// </div>
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// </div>
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List<DownloadNode> nodeList = new ArrayList<DownloadNode>();
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final String
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START_TAG = "<div class=\"beatmap\"", NAME_TAG = "<div class=\"name\"> <a href=\"\">",
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CREATOR_TAG = "<span>Creator:</span> ", TITLE_TAG = "<span>Title:</span> ", ARTIST_TAG = "<span>Artist:</span> ",
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TIMESTAMP_TAG = "<span>UpdateTime:</span> ", DOWNLOAD_TAG = "<div class=\"download\">",
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BR_TAG = "<br>", HREF_TAG = "<a href=\"", HREF_TAG_END = "</a>";
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int index = -1;
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int nextIndex = html.indexOf(START_TAG, index + 1);
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int divCount = 0;
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while ((index = nextIndex) != -1) {
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nextIndex = html.indexOf(START_TAG, index + 1);
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int n = (nextIndex == -1) ? html.length() : nextIndex;
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divCount++;
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int i, j;
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// find beatmap
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i = html.indexOf(NAME_TAG, index + START_TAG.length());
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if (i == -1 || i > n) continue;
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j = html.indexOf(HREF_TAG_END, i + 1);
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if (j == -1 || j > n) continue;
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String beatmap = html.substring(i + NAME_TAG.length(), j);
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String[] beatmapTokens = beatmap.split(" - ", 2);
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if (beatmapTokens.length < 2)
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continue;
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String artist = beatmapTokens[0];
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String title = beatmapTokens[1];
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// find other beatmap details
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i = html.indexOf(CREATOR_TAG, j + HREF_TAG_END.length());
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if (i == -1 || i > n) continue;
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j = html.indexOf(BR_TAG, i + CREATOR_TAG.length());
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if (j == -1 || j > n) continue;
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String creator = html.substring(i + CREATOR_TAG.length(), j);
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i = html.indexOf(TITLE_TAG, j + BR_TAG.length());
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if (i == -1 || i > n) continue;
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j = html.indexOf(BR_TAG, i + TITLE_TAG.length());
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if (j == -1 || j > n) continue;
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String titleUnicode = html.substring(i + TITLE_TAG.length(), j);
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i = html.indexOf(ARTIST_TAG, j + BR_TAG.length());
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if (i == -1 || i > n) continue;
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j = html.indexOf(BR_TAG, i + ARTIST_TAG.length());
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if (j == -1 || j > n) continue;
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String artistUnicode = html.substring(i + ARTIST_TAG.length(), j);
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i = html.indexOf(TIMESTAMP_TAG, j + BR_TAG.length());
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if (i == -1 || i >= n) continue;
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j = html.indexOf(BR_TAG, i + TIMESTAMP_TAG.length());
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if (j == -1 || j > n) continue;
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String date = html.substring(i + TIMESTAMP_TAG.length(), j);
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// find beatmap ID
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i = html.indexOf(DOWNLOAD_TAG, j + BR_TAG.length());
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if (i == -1 || i >= n) continue;
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i = html.indexOf(HREF_TAG, i + DOWNLOAD_TAG.length());
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if (i == -1 || i > n) continue;
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j = html.indexOf('"', i + HREF_TAG.length());
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if (j == -1 || j > n) continue;
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String downloadURL = html.substring(i + HREF_TAG.length(), j);
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String[] downloadTokens = downloadURL.split("(?=\\d*$)", 2);
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if (downloadTokens[1].isEmpty()) continue;
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int id;
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try {
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id = Integer.parseInt(downloadTokens[1]);
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} catch (NumberFormatException e) {
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continue;
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}
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nodeList.add(new DownloadNode(id, date, title, titleUnicode, artist, artistUnicode, creator));
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}
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nodes = nodeList.toArray(new DownloadNode[nodeList.size()]);
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// store total result count
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if (isSearch)
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this.totalResults = nodes.length;
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else {
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int resultCount = nodes.length + (page - 1) * PAGE_LIMIT;
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if (divCount == PAGE_LIMIT)
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resultCount++;
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this.totalResults = resultCount;
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}
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int pageTotal = json.getInt("pageTotal");
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int resultCount = nodes.length;
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if (page == pageTotal)
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resultCount = nodes.length + (pageTotal - 1) * PAGE_LIMIT;
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else
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resultCount = 1 + (pageTotal - 1) * PAGE_LIMIT;
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this.totalResults = resultCount;
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} catch (MalformedURLException | UnsupportedEncodingException e) {
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ErrorHandler.error(String.format("Problem loading result list for query '%s'.", query), e, true);
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}
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@ -195,7 +107,7 @@ public class MengSkyServer extends DownloadServer {
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}
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@Override
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public int minQueryLength() { return 2; }
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public int minQueryLength() { return 1; }
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@Override
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public int totalResults() { return totalResults; }
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