001    // Copyright 2010 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    package org.apache.tapestry5.services;
015    
016    import java.util.List;
017    
018    import org.apache.tapestry5.SelectModel;
019    
020    /**
021     * Used to create an {@link org.apache.tapestry5.SelectModel}.
022     * 
023     * @since 5.2.0
024     */
025    public interface SelectModelFactory
026    {   
027        /**
028         * Creates a {@link org.apache.tapestry5.SelectModel} from a list of objects of the same type and a label property name.
029         * The returned model creates for every object in the list a selectable option and relies on existing 
030         * {@link org.apache.tapestry5.ValueEncoder} for the object type. The value of the label property is used as user-presentable label for the option.
031         * 
032         * @param objects objects to create model from
033         * @param labelProperty property for the client-side value
034         * @return the model
035         */
036        public SelectModel create(List<?> objects, String labelProperty);
037    }