59 lines
2.4 KiB
Java
59 lines
2.4 KiB
Java
/*
|
|
* Minecraft Forge
|
|
* Copyright (c) 2016-2018.
|
|
*
|
|
* This library 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 version 2.1
|
|
* of the License.
|
|
*
|
|
* This library 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 library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
package net.minecraftforge.fml.loading;
|
|
|
|
import java.util.Optional;
|
|
|
|
/**
|
|
* Finds Version data from a package, with possible default values
|
|
*/
|
|
public class JarVersionLookupHandler {
|
|
public static Optional<String> getImplementationVersion(final String pkgName) {
|
|
// Note that with Java 9, you'll probably want the module's version data, hence pulling this out
|
|
final String pkgVersion = Package.getPackage(pkgName).getImplementationVersion();
|
|
return Optional.ofNullable(pkgVersion);
|
|
}
|
|
|
|
public static Optional<String> getSpecificationVersion(final String pkgName) {
|
|
// Note that with Java 9, you'll probably want the module's version data, hence pulling this out
|
|
final String pkgVersion = Package.getPackage(pkgName).getSpecificationVersion();
|
|
return Optional.ofNullable(pkgVersion);
|
|
}
|
|
|
|
public static Optional<String> getImplementationVersion(final Class<?> clazz) {
|
|
// With java 9 we'll use the module's version if it exists in preference.
|
|
final String pkgVersion = clazz.getPackage().getImplementationVersion();
|
|
return Optional.ofNullable(pkgVersion);
|
|
}
|
|
|
|
public static Optional<String> getImplementationTitle(final Class<?> clazz) {
|
|
// With java 9 we'll use the module's version if it exists in preference.
|
|
final String pkgVersion = clazz.getPackage().getImplementationTitle();
|
|
return Optional.ofNullable(pkgVersion);
|
|
}
|
|
|
|
|
|
public static Optional<String> getSpecificationVersion(final Class<?> clazz) {
|
|
// With java 9 we'll use the module's version if it exists in preference.
|
|
final String pkgVersion = clazz.getPackage().getSpecificationVersion();
|
|
return Optional.ofNullable(pkgVersion);
|
|
}
|
|
}
|