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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.bytecode.accessors;
import java.lang.reflect.Field;
public class InvokeDynamicInfoAccessor
{
private static Class<?> m_class;
private static Field m_bootstrapIndex;
private static Field m_nameAndTypeIndex;
static
{
try
{
m_class = Class.forName( "javassist.bytecode.InvokeDynamicInfo" );
m_bootstrapIndex = m_class.getDeclaredField( "bootstrap" );
m_bootstrapIndex.setAccessible( true );
m_nameAndTypeIndex = m_class.getDeclaredField( "nameAndType" );
m_nameAndTypeIndex.setAccessible( true );
}
catch( Exception ex )
{
throw new Error( ex );
}
}
public static boolean isType( ConstInfoAccessor accessor )
{
return m_class.isAssignableFrom( accessor.getItem().getClass() );
}
private Object m_item;
public InvokeDynamicInfoAccessor( Object item )
{
m_item = item;
}
public int getBootstrapIndex( )
{
try
{
return (Integer)m_bootstrapIndex.get( m_item );
}
catch( Exception ex )
{
throw new Error( ex );
}
}
public void setBootstrapIndex( int val )
{
try
{
m_bootstrapIndex.set( m_item, val );
}
catch( Exception ex )
{
throw new Error( ex );
}
}
public int getNameAndTypeIndex( )
{
try
{
return (Integer)m_nameAndTypeIndex.get( m_item );
}
catch( Exception ex )
{
throw new Error( ex );
}
}
public void setNameAndTypeIndex( int val )
{
try
{
m_nameAndTypeIndex.set( m_item, val );
}
catch( Exception ex )
{
throw new Error( ex );
}
}
}
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