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移除 Pack200 支持 (#4267)

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Glavo
2025-08-16 15:45:12 +08:00
committed by GitHub
parent 4445021d66
commit a4f9438d9e
4 changed files with 2 additions and 145 deletions
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122
HMCLCore/src/main/java/org/jackhuang/hmcl/util/Pack200Utils.java
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@@ -1,122 +0,0 @@
/*
* Hello Minecraft! Launcher
* Copyright (C) 2021 huangyuhui <huanghongxun2008@126.com> and contributors
*
* 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 <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl.util;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.util.jar.JarOutputStream;
import static org.jackhuang.hmcl.util.logging.Logger.LOG;
/**
* @author Glavo
*/
public final class Pack200Utils {
private Pack200Utils() {
}
private static final String[] IMPL_NAMES = {
"java.util.jar.Pack200",
"org.glavo.pack200.Pack200",
"io.pack200.Pack200"
};
private static final MethodHandle newUnpackerHandle;
private static final MethodHandle unpackHandle;
private static final MethodHandle unpackFileHandle;
static {
Class<?> pack200Class = null;
Class<?> unpackerClass = null;
for (String implName : IMPL_NAMES) {
try {
pack200Class = Class.forName(implName);
unpackerClass = Class.forName(implName + "$Unpacker");
break;
} catch (ClassNotFoundException ignored) {
}
}
if (pack200Class == null) {
LOG.warning("Pack200 not found");
newUnpackerHandle = null;
unpackHandle = null;
unpackFileHandle = null;
} else {
final MethodHandles.Lookup lookup = MethodHandles.publicLookup();
MethodHandle newUnpacker = null;
MethodHandle unpack = null;
MethodHandle unpackFile = null;
try {
newUnpacker = lookup.findStatic(pack200Class, "newUnpacker", MethodType.methodType(unpackerClass));
unpack = lookup.findVirtual(unpackerClass, "unpack", MethodType.methodType(void.class, InputStream.class, JarOutputStream.class));
unpackFile = lookup.findVirtual(unpackerClass, "unpack", MethodType.methodType(void.class, File.class, JarOutputStream.class));
} catch (Throwable e) {
LOG.warning("Failed to find pack200 methods", e);
}
if (newUnpacker != null) {
newUnpackerHandle = newUnpacker;
unpackHandle = unpack;
unpackFileHandle = unpackFile;
} else {
newUnpackerHandle = null;
unpackHandle = null;
unpackFileHandle = null;
}
}
}
public static boolean isSupported() {
return newUnpackerHandle != null;
}
public static void unpack(InputStream in, JarOutputStream out) throws IOException {
if (newUnpackerHandle == null) {
throw new UnsupportedOperationException("Pack200");
}
try {
unpackHandle.invoke(newUnpackerHandle.invoke(), in, out);
} catch (IOException | RuntimeException | Error e) {
throw e;
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
public static void unpack(File in, JarOutputStream out) throws IOException {
if (newUnpackerHandle == null) {
throw new UnsupportedOperationException("Pack200");
}
try {
unpackFileHandle.invoke(newUnpackerHandle.invoke(), in, out);
} catch (IOException | RuntimeException | Error e) {
throw e;
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
}