120 lines
3.9 KiB
Java
120 lines
3.9 KiB
Java
package ley.modding.tcu;
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import ley.modding.tcu.model.LocalPack;
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import ley.modding.tcu.model.RemotePack;
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import ley.modding.tcu.model.VersionDiff;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.List;
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public class Util {
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private static RemotePack rcache = null;
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private static LocalPack lcache = null;
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public static RemotePack getRemote(LocalPack pack) throws IOException {
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if (rcache != null)
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return rcache;
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URL url = new URL(pack.packURL);
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HttpURLConnection con = (HttpURLConnection) url.openConnection();
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con.setRequestMethod("GET");
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con.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11");
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int status = con.getResponseCode();
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if (status != 200) {
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return null;
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}
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InputStreamReader r2 = new InputStreamReader(con.getInputStream());
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RemotePack ret = RemotePack.fromJSON(r2);
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r2.close();
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rcache = ret;
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return ret;
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}
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public static LocalPack getLocal(File local) throws IOException {
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if (lcache != null)
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return lcache;
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Reader r = new FileReader(local);
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LocalPack pack = LocalPack.fromJSON(r);
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r.close();
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lcache = pack;
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return pack;
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}
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public static void writeLocal(File local) throws IOException {
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Writer w = new FileWriter(local);
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lcache.toJson(w);
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w.close();
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}
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public static String[] checkVersion(File local) throws IOException {
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LocalPack lpack = getLocal(local);
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RemotePack rpack = getRemote(lpack);
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if (rpack != null && rpack.versions.contains(lpack.version)) {
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int index = rpack.versions.indexOf(lpack.version);
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int lastIndex = rpack.versions.size() - 1;
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if (index == lastIndex) {
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return new String[0];
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} else {
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String[] ret = new String[lastIndex - index];
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int j = 0;
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for (int i = index + 1; i <= lastIndex; i++) {
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ret [j] = rpack.versions.get(i);
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j++;
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}
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return ret;
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}
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}
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return new String[0];
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}
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public static VersionDiff buildDiff(String[] versions) throws IOException {
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VersionDiff diff = new VersionDiff();
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diff.add = new ArrayList<>();
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diff.remove = new ArrayList<>();
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RemotePack pack = getRemote(lcache);
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for (String ver : versions) {
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VersionDiff vdiff = pack.diff.get(ver);
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if (vdiff != null) {
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if (vdiff.remove != null) {
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for (VersionDiff.RemoveFile f : vdiff.remove) {
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boolean add = true;
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List<VersionDiff.AddFile> toRem = new ArrayList<>();
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for (VersionDiff.AddFile a : diff.add) {
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if (a.dir.equals(f.dir) && a.filename.equals(f.filename)) {
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add = false;
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toRem.add(a);
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}
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}
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diff.add.removeAll(toRem);
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if (add)
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diff.remove.add(f);
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}
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}
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if (vdiff.add != null)
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diff.add.addAll(vdiff.add);
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}
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}
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return diff;
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}
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public static URL getOverrides() {
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if (rcache != null && rcache.overrides != null && !rcache.overrides.isEmpty()) {
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try {
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return new URL(rcache.overrides);
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} catch (MalformedURLException e) {
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e.printStackTrace();
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}
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}
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return null;
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}
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}
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