001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.extensions.ajax.markup.html.autocomplete;
018
019/**
020 * A renderer that calls object.toString() to get the text value. Great for quickly generating a
021 * list of assists.
022 * 
023 * @since 1.2
024 * 
025 * @author Igor Vaynberg (ivaynberg)
026 */
027public final class StringAutoCompleteRenderer extends AbstractAutoCompleteTextRenderer<Object>
028{
029        private static final long serialVersionUID = 1L;
030
031        /**
032         * A singleton instance
033         */
034        @SuppressWarnings("rawtypes")
035        public static final IAutoCompleteRenderer INSTANCE = new StringAutoCompleteRenderer();
036
037        /**
038         * @param <T>
039         * @return the single instance
040         */
041        @SuppressWarnings("unchecked")
042        public static <T> IAutoCompleteRenderer<T> instance()
043        {
044                return INSTANCE;
045        }
046
047        @Override
048        protected String getTextValue(final Object object)
049        {
050                return object.toString();
051        }
052}