001    // Copyright 2007, 2008 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.services;
016    
017    import org.apache.tapestry5.ValueEncoder;
018    
019    /**
020     * A source for {@link ValueEncoder} instances of a given type.
021     */
022    public interface ValueEncoderFactory<V>
023    {
024        /**
025         * For a given type, create an encoder.
026         *
027         * @param type type of object for which an encoder is needed
028         * @return the encoder for the object
029         */
030        ValueEncoder<V> create(Class<V> type);
031    }