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Utilities for ASM, a very small and fast Java bytecode manipulation framework
/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2011 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
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;
/**
* ModuleResolution_attribute.
* This attribute is specific to the OpenJDK and may change in the future.
*
* @author Remi Forax
*/
public final class ModuleResolutionAttribute extends Attribute {
/**
* 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;
/**
* Resolution state of a module meaning the module is marked as deprecated.
*/
public static final int RESOLUTION_WARN_DEPRECATED = 2;
/**
* 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;
/**
* Resolution state of a module meaning the module is not yet standardized,
* so in incubating mode.
*/
public static final int RESOLUTION_WARN_INCUBATING = 8;
public int resolution;
/**
* Creates an attribute with a resolution state value.
* @param resolution the resolution state among
* {@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;
}
/**
* Creates an empty attribute that can be used as prototype
* to be passed as argument of the method
* {@link ClassReader#accept(org.objectweb.asm.ClassVisitor, Attribute[], int)}.
*/
public ModuleResolutionAttribute() {
this(0);
}
@Override
protected Attribute read(ClassReader cr, int off, int len, char[] buf,
int codeOff, Label[] labels) {
int resolution = cr.readUnsignedShort(off);
return new ModuleResolutionAttribute(resolution);
}
@Override
protected ByteVector write(ClassWriter cw, byte[] code, int len,
int maxStack, int maxLocals) {
ByteVector v = new ByteVector();
v.putShort(resolution);
return v;
}
}