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Better PlatformMethods errors

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shedaniel
2020-11-27 18:10:23 +08:00
parent 5822bb9460
commit 37dc3ef630
2 changed files with 65 additions and 8 deletions
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32
common/src/main/java/me/shedaniel/architectury/PlatformMethods.java
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@@ -19,20 +19,36 @@
package me.shedaniel.architectury;
import me.shedaniel.architectury.utils.PlatformExpectedError;
import org.jetbrains.annotations.ApiStatus;
import java.lang.invoke.CallSite;
import java.lang.invoke.ConstantCallSite;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.invoke.*;
@ApiStatus.Internal
public class PlatformMethods {
public static CallSite platform(MethodHandles.Lookup lookup, String name, MethodType type)
throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException {
public static CallSite platform(MethodHandles.Lookup lookup, String name, MethodType type) {
Class<?> lookupClass = lookup.lookupClass();
String lookupType = lookupClass.getName().replace("$", "") + "Impl";
Class<?> newClass = Class.forName(lookupType.substring(0, lookupType.lastIndexOf('.')) + "." + Architectury.getModLoader() + "." + lookupType.substring(lookupType.lastIndexOf('.') + 1), false, lookupClass.getClassLoader());
return new ConstantCallSite(lookup.findStatic(newClass, name, type));
String platformExpectedClass = lookupType.substring(0, lookupType.lastIndexOf('.')) + "." + Architectury.getModLoader() + "." +
lookupType.substring(lookupType.lastIndexOf('.') + 1);
Class<?> newClass;
try {
newClass = Class.forName(platformExpectedClass, false, lookupClass.getClassLoader());
} catch (ClassNotFoundException exception) {
throw new PlatformExpectedError(lookupClass.getName() + "#" + name + " expected platform implementation in " + platformExpectedClass +
"#" + name + ", but the class doesn't exist!", exception);
}
MethodHandle platformMethod;
try {
platformMethod = lookup.findStatic(newClass, name, type);
} catch (NoSuchMethodException exception) {
throw new PlatformExpectedError(lookupClass.getName() + "#" + name + " expected platform implementation in " + platformExpectedClass +
"#" + name + ", but the method doesn't exist!", exception);
} catch (IllegalAccessException exception) {
throw new PlatformExpectedError(lookupClass.getName() + "#" + name + " expected platform implementation in " + platformExpectedClass +
"#" + name + ", but the method's modifier doesn't match the access requirements!", exception);
}
return new ConstantCallSite(platformMethod);
}
}

41
common/src/main/java/me/shedaniel/architectury/utils/PlatformExpectedError.java Normal file
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@@ -0,0 +1,41 @@
/*
* This file is part of architectury.
* Copyright (C) 2020 shedaniel
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package me.shedaniel.architectury.utils;
public class PlatformExpectedError extends Error {
public PlatformExpectedError() {
}
public PlatformExpectedError(String message) {
super(message);
}
public PlatformExpectedError(String message, Throwable cause) {
super(message, cause);
}
public PlatformExpectedError(Throwable cause) {
super(cause);
}
public PlatformExpectedError(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
super(message, cause, enableSuppression, writableStackTrace);
}
}