Adam Sotona 2b00ac0d02 8308753: Class-File API transition to Preview
Reviewed-by: ihse, mchung, vromero
2023-12-04 07:07:57 +00:00

70 lines
2.5 KiB
Java

/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package java.lang.classfile.attribute;
import java.lang.classfile.constantpool.ModuleEntry;
import java.lang.constant.ModuleDesc;
import jdk.internal.classfile.impl.TemporaryConstantPool;
import jdk.internal.classfile.impl.UnboundAttribute;
import jdk.internal.javac.PreviewFeature;
/**
* Models hash information for a single module in the {@link ModuleHashesAttribute}.
*
* @since 22
*/
@PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API)
public sealed interface ModuleHashInfo
permits UnboundAttribute.UnboundModuleHashInfo {
/**
* {@return the name of the related module}
*/
ModuleEntry moduleName();
/**
* {@return the hash of the related module}
*/
byte[] hash();
/**
* {@return a module hash description}
* @param moduleName the module name
* @param hash the hash value
*/
static ModuleHashInfo of(ModuleEntry moduleName, byte[] hash) {
return new UnboundAttribute.UnboundModuleHashInfo(moduleName, hash);
}
/**
* {@return a module hash description}
* @param moduleDesc the module name
* @param hash the hash value
*/
static ModuleHashInfo of(ModuleDesc moduleDesc, byte[] hash) {
return new UnboundAttribute.UnboundModuleHashInfo(TemporaryConstantPool.INSTANCE.moduleEntry(TemporaryConstantPool.INSTANCE.utf8Entry(moduleDesc.name())), hash);
}
}