/*****************************************************************************
* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
* *
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* Patrick Niemeyer (pat@pat.net) *
* Author of Learning Java, O'Reilly & Associates *
* *
*****************************************************************************/
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 );
}