67 lines
2.8 KiB
Java
67 lines
2.8 KiB
Java
package net.ME1312.SubServers.Bungee.Library.Compatibility;
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import com.google.common.io.Resources;
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import net.ME1312.SubServers.Bungee.Library.UniversalFile;
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import net.ME1312.SubServers.Bungee.SubAPI;
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import java.io.FileOutputStream;
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import java.net.URL;
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import java.net.URLClassLoader;
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/**
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* Load JNA Library
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*/
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public class JNA {
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private static ClassLoader JNA = null;
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private static final String JNA_VERSION = "5.2.0";
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private static final String JNA_DOWNLOAD = "https://oss.sonatype.org/service/local/repositories/releases/content/net/java/dev/jna/$1/" + JNA_VERSION + "/$1-" + JNA_VERSION + ".jar";
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@SuppressWarnings("deprecation")
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public static ClassLoader get() {
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if (JNA == null) {
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boolean announced = false;
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UniversalFile library = new UniversalFile(SubAPI.getInstance().getInternals().dir, "SubServers:Cache:Libraries");
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library.mkdirs();
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UniversalFile jna = new UniversalFile(library, "jna-" + JNA_VERSION + ".jar");
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if (!jna.exists()) {
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jna.getParentFile().mkdirs();
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if (!jna.exists()) {
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System.out.println(">> Downloading JNA Library v" + JNA_VERSION);
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try (FileOutputStream fin = new FileOutputStream(jna)) {
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Resources.copy(new URL(JNA_DOWNLOAD.replace("$1", "jna")), fin);
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} catch (Throwable e) {
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jna.delete();
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e.printStackTrace();
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}
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announced = true;
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}
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}
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UniversalFile platform = new UniversalFile(library, "jna-platform-" + JNA_VERSION + ".jar");
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if (!platform.exists()) {
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platform.getParentFile().mkdirs();
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if (!platform.exists()) {
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if (!announced) System.out.println(">> Downloading JNA Library v" + JNA_VERSION);
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try (FileOutputStream fin = new FileOutputStream(platform)) {
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Resources.copy(new URL(JNA_DOWNLOAD.replace("$1", "jna-platform")), fin);
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} catch (Throwable e) {
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platform.delete();
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e.printStackTrace();
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}
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}
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}
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if (jna.exists()) {
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System.out.println(">> Loading JNA Library");
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try {
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JNA = new URLClassLoader(new URL[]{jna.toURI().toURL(), platform.toURI().toURL()});
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} catch (Throwable e) {
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e.printStackTrace();
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throw new IllegalArgumentException("Could not load JNA Library");
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}
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} else {
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throw new IllegalArgumentException("Could not find JNA Library");
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}
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}
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return JNA;
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}
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}
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