/** * 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); }