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Fix getImplementationVersion returning null on Java 9.

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This commit is contained in:
huanghongxun
2018-08-08 10:02:34 +08:00
parent 09730d74e0
commit a2b74b8e78
7 changed files with 123 additions and 75 deletions
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22
HMCLCore/src/main/java/org/jackhuang/hmcl/game/GameVersion.java
View File

@@ -73,19 +73,17 @@ public final class GameVersion {
if (file == null || !file.exists() || !file.isFile() || !file.canRead())
return Optional.empty();
try {
try (FileSystem gameJar = CompressingUtils.createReadOnlyZipFileSystem(file.toPath())) {
Path minecraft = gameJar.getPath("net/minecraft/client/Minecraft.class");
if (Files.exists(minecraft)) {
Optional<String> result = getVersionOfClassMinecraft(Files.readAllBytes(minecraft));
if (result.isPresent())
return result;
}
Path minecraftServer = gameJar.getPath("net/minecraft/server/MinecraftServer.class");
if (Files.exists(minecraftServer))
return getVersionFromClassMinecraftServer(Files.readAllBytes(minecraftServer));
return Optional.empty();
try (FileSystem gameJar = CompressingUtils.createReadOnlyZipFileSystem(file.toPath())) {
Path minecraft = gameJar.getPath("net/minecraft/client/Minecraft.class");
if (Files.exists(minecraft)) {
Optional<String> result = getVersionOfClassMinecraft(Files.readAllBytes(minecraft));
if (result.isPresent())
return result;
}
Path minecraftServer = gameJar.getPath("net/minecraft/server/MinecraftServer.class");
if (Files.exists(minecraftServer))
return getVersionFromClassMinecraftServer(Files.readAllBytes(minecraftServer));
return Optional.empty();
} catch (IOException e) {
return Optional.empty();
}

18
HMCLCore/src/main/java/org/jackhuang/hmcl/launch/StreamPump.java
View File

@@ -49,17 +49,15 @@ final class StreamPump implements Runnable {
@Override
public void run() {
try {
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, Constants.SYSTEM_CHARSET))) {
String line;
while ((line = bufferedReader.readLine()) != null) {
if (Thread.currentThread().isInterrupted()) {
Thread.currentThread().interrupt();
break;
}
callback.accept(line);
try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, Constants.SYSTEM_CHARSET))) {
String line;
while ((line = bufferedReader.readLine()) != null) {
if (Thread.currentThread().isInterrupted()) {
Thread.currentThread().interrupt();
break;
}
callback.accept(line);
}
} catch (IOException e) {
Logging.LOG.log(Level.SEVERE, "An error occurred when reading stream", e);

72
HMCLCore/src/main/java/org/jackhuang/hmcl/util/JarUtils.java Normal file
View File

@@ -0,0 +1,72 @@
/*
* Hello Minecraft! Launcher.
* Copyright (C) 2018 huangyuhui <huanghongxun2008@126.com>
*
* This program 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.
*
* This program 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 this program. If not, see {http://www.gnu.org/licenses/}.
*/
package org.jackhuang.hmcl.util;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.CodeSource;
import java.util.Optional;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
public final class JarUtils {
public static Optional<Path> thisJar() {
CodeSource codeSource = FileUtils.class.getProtectionDomain().getCodeSource();
if (codeSource == null) {
return Optional.empty();
}
URL url = codeSource.getLocation();
if (url == null) {
return Optional.empty();
}
Path path;
try {
path = Paths.get(url.toURI());
} catch (FileSystemNotFoundException | IllegalArgumentException | URISyntaxException e) {
return Optional.empty();
}
if (!Files.isRegularFile(path)) {
return Optional.empty();
}
return Optional.of(path);
}
public static Optional<Manifest> getManifest(Path jar) {
try (JarFile file = new JarFile(jar.toFile())) {
return Optional.ofNullable(file.getManifest());
} catch (IOException e) {
return Optional.empty();
}
}
public static Optional<String> getImplementationVersion(Path jar) {
return Optional.of(jar).flatMap(JarUtils::getManifest)
.flatMap(manifest -> Optional.ofNullable(manifest.getMainAttributes().getValue(Attributes.Name.IMPLEMENTATION_VERSION)));
}
}

17
HMCLCore/src/main/java/org/jackhuang/hmcl/util/ToStringBuilder.java
View File

@@ -1,3 +1,20 @@
/*
* Hello Minecraft! Launcher.
* Copyright (C) 2018 huangyuhui <huanghongxun2008@126.com>
*
* This program 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.
*
* This program 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 this program. If not, see {http://www.gnu.org/licenses/}.
*/
package org.jackhuang.hmcl.util;
public class ToStringBuilder {