/*****************************************************************************
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* *
* Sun Public License Notice: *
* *
* The contents of this file are subject to the Sun Public License Version *
* 1.0 (the "License"); you may not use this file except in compliance with *
* the License. A copy of the License is available at http://www.sun.com *
* *
* The Original Code is BeanShell. The Initial Developer of the Original *
* Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright *
* (C) 2000. All Rights Reserved. *
* *
* GNU Public License Notice: *
* *
* Alternatively, the contents of this file may be used under the terms of *
* the GNU Lesser General Public License (the "LGPL"), in which case the *
* provisions of LGPL are applicable instead of those above. If you wish to *
* allow use of your version of this file only under the terms of the LGPL *
* and not to allow others to use your version of this file under the SPL, *
* indicate your decision by deleting the provisions above and replace *
* them with the notice and other provisions required by the LGPL. If you *
* do not delete the provisions above, a recipient may use your version of *
* this file under either the SPL or the LGPL. *
* *
* Patrick Niemeyer (pat@pat.net) *
* Author of Learning Java, O'Reilly & Associates *
* http://www.pat.net/~pat/ *
* *
*****************************************************************************/
package bsh;
import bsh.Capabilities.Unavailable;
/**
ReflectManager is a dynamically loaded extension that supports extended
reflection features supported by JDK1.2 and greater.
In particular it currently supports accessible method and field access
supported by JDK1.2 and greater.
*/
public abstract class ReflectManager
{
private static ReflectManager rfm;
/**
Return the singleton bsh ReflectManager.
@throws Unavailable
*/
public static ReflectManager getReflectManager()
throws Unavailable
{
if ( rfm == null )
{
Class clas;
try {
clas = Class.forName( "bsh.reflect.ReflectManagerImpl" );
rfm = (ReflectManager)clas.newInstance();
} catch ( Exception e ) {
throw new Unavailable("Reflect Manager unavailable: "+e);
}
}
return rfm;
}
/**
Reflect Manager Set Accessible.
Convenience method to invoke the reflect manager.
@throws Unavailable
*/
public static boolean RMSetAccessible( Object obj )
throws Unavailable
{
return getReflectManager().setAccessible( obj );
}
/**
Set a java.lang.reflect Field, Method, Constructor, or Array of
accessible objects to accessible mode.
@return true if the object was accessible or false if it was not.
*/
public abstract boolean setAccessible( Object o );
}