Java tutorial
/* * Copyright 2002-2011 the original author or authors. * * 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 com.devnexus.ting.web.converter; import java.text.ParseException; import java.util.Locale; import org.apache.commons.lang.StringUtils; import org.springframework.core.convert.converter.Converter; import org.springframework.format.Formatter; import com.devnexus.ting.model.Speaker; public class StringToSpeaker implements Converter<String, Speaker>, Formatter<Speaker> { @Override public Speaker convert(String source) { if (StringUtils.isEmpty(source) || !StringUtils.isNumeric(source)) { return null; } else { return new Speaker(Long.valueOf(source)); } } @Override public String print(Speaker object, Locale locale) { // TODO Auto-generated method stub return String.valueOf(object.getId()); } @Override public Speaker parse(String text, Locale locale) throws ParseException { // TODO Auto-generated method stub return null; } }