com.feilong.lib.ognl.MemberAccess Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of feilong Show documentation
Show all versions of feilong Show documentation
feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
//--------------------------------------------------------------------------
// Copyright (c) 1998-2004, Drew Davidson and Luke Blanshard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 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.
// Neither the name of the Drew Davidson 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 com.feilong.lib.ognl;
import java.lang.reflect.Member;
import java.util.Map;
/**
* This interface provides a hook for preparing for accessing members
* of objects. The Java2 version of this method can allow access
* to otherwise inaccessable members, such as private fields.
*
* @author Luke Blanshard ([email protected])
* @author Drew Davidson ([email protected])
* @version 15 October 1999
*/
public interface MemberAccess{
/**
* Sets the member up for accessibility
*
* @param context
* the current execution context.
* @param target
* the Object upon which to perform the setup operation.
* @param member
* the Member upon which to perform the setup operation.
* @param propertyName
* the property upon which to perform the setup operation.
* @return the Object representing the original accessibility state of the target prior to the setup operation.
*/
public Object setup(Map context,Object target,Member member,String propertyName);
/**
* Restores the member from the previous setup call.
*
* @param context
* the current execution context.
* @param target
* the Object upon which to perform the setup operation.
* @param member
* the Member upon which to perform the setup operation.
* @param propertyName
* the property upon which to perform the setup operation.
* @param state
* the Object holding the state to restore (target state prior to the setup operation).
*/
public void restore(Map context,Object target,Member member,String propertyName,Object state);
/**
* Returns true if the given member is accessible or can be made accessible
* by this object.
*
* @param context
* the current execution context.
* @param target
* the Object to test accessibility for.
* @param member
* the Member to test accessibility for.
* @param propertyName
* the property to test accessibility for.
* @return true if the target/member/propertyName is accessible in the context, false otherwise.
*/
public boolean isAccessible(Map context,Object target,Member member,String propertyName);
}