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// ASM: a very small and fast Java bytecode manipulation framework
// Copyright (c) 2000-2011 INRIA, France Telecom
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package org.objectweb.asm.commons;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ByteVector;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Label;
/**
* A ModuleResolution attribute. This attribute is specific to the OpenJDK and may change in the
* future.
*
* @author Remi Forax
*/
public final class ModuleResolutionAttribute extends Attribute {
/**
* The resolution state of a module meaning that the module is not available from the class-path
* by default.
*/
public static final int RESOLUTION_DO_NOT_RESOLVE_BY_DEFAULT = 1;
/** The resolution state of a module meaning the module is marked as deprecated. */
public static final int RESOLUTION_WARN_DEPRECATED = 2;
/**
* The resolution state of a module meaning the module is marked as deprecated and will be removed
* in a future release.
*/
public static final int RESOLUTION_WARN_DEPRECATED_FOR_REMOVAL = 4;
/**
* The resolution state of a module meaning the module is not yet standardized, so in incubating
* mode.
*/
public static final int RESOLUTION_WARN_INCUBATING = 8;
/**
* The resolution state of the module. Must be one of {@link #RESOLUTION_WARN_DEPRECATED}, {@link
* #RESOLUTION_WARN_DEPRECATED_FOR_REMOVAL}, and {@link #RESOLUTION_WARN_INCUBATING}.
*/
public int resolution;
/**
* Constructs a new {@link ModuleResolutionAttribute}.
*
* @param resolution the resolution state of the module. Must be one of {@link
* #RESOLUTION_WARN_DEPRECATED}, {@link #RESOLUTION_WARN_DEPRECATED_FOR_REMOVAL}, and {@link
* #RESOLUTION_WARN_INCUBATING}.
*/
public ModuleResolutionAttribute(final int resolution) {
super("ModuleResolution");
this.resolution = resolution;
}
/**
* Constructs an empty {@link ModuleResolutionAttribute}. This object can be passed as a prototype
* to the {@link ClassReader#accept(org.objectweb.asm.ClassVisitor, Attribute[], int)} method.
*/
public ModuleResolutionAttribute() {
this(0);
}
@Override
protected Attribute read(
final ClassReader classReader,
final int offset,
final int length,
final char[] charBuffer,
final int codeOffset,
final Label[] labels) {
return new ModuleResolutionAttribute(classReader.readUnsignedShort(offset));
}
@Override
protected ByteVector write(
final ClassWriter classWriter,
final byte[] code,
final int codeLength,
final int maxStack,
final int maxLocals) {
ByteVector byteVector = new ByteVector();
byteVector.putShort(resolution);
return byteVector;
}
}