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package org.apache.velocity.util.introspection;
/*
* 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.
*/
import java.util.Iterator;
/**
* 'Federated' introspection/reflection interface to allow the introspection
* behavior in Velocity to be customized.
*
* @author <a href="mailto:geirm@apache.org">Geir Magusson Jr.</a>
* @version $Id$
*/
public interface Uberspect
{
/**
* Initializer - will be called before use
*/
void init();
/**
* To support iteratives - #foreach()
* @param obj
* @param info
* @return An Iterator.
*/
Iterator getIterator(Object obj, Info info);
/**
* Returns a general method, corresponding to $foo.bar( $woogie )
* @param obj
* @param method
* @param args
* @param info
* @return A Velocity Method.
*/
VelMethod getMethod(Object obj, String method, Object[] args, Info info);
/**
* Property getter - returns VelPropertyGet appropos for #set($foo = $bar.woogie)
* @param obj
* @param identifier
* @param info
* @return A Velocity Getter.
*/
VelPropertyGet getPropertyGet(Object obj, String identifier, Info info);
/**
* Property setter - returns VelPropertySet appropos for #set($foo.bar = "geir")
* @param obj
* @param identifier
* @param arg
* @param info
* @return A Velocity Setter.
*/
VelPropertySet getPropertySet(Object obj, String identifier, Object arg, Info info);
}
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