org.mvel2.ConversionHandler Maven / Gradle / Ivy
/**
* MVEL 2.0
* Copyright (C) 2007 MVFLEX/Valhalla Project and the Codehaus
* Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
*
* Licensed 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.
*/
package org.mvel2;
/**
* The conversion handler interface defines the basic interface for implementing conversion handlers in MVEL.
*
* @see org.mvel2.DataConversion
*/
public interface ConversionHandler {
/**
* Converts the passed argument to the type represented by the handler.
*
* @param in - the input type
* @return - the converted type
*/
public Object convertFrom(Object in);
/**
* This method is used to indicate to the runtime whehter or not the handler knows how to convert
* from the specified type.
*
* @param cls - the source type
* @return - true if the converter supports converting from the specified type.
*/
public boolean canConvertFrom(Class cls);
}