/*
* Copyright 2002-2013 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 org.springframework.samples.petclinic.web;
import java.text.ParseException;
import java.util.Collection;
import java.util.Locale;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.Formatter;
import org.springframework.samples.petclinic.model.PetType;
import org.springframework.samples.petclinic.service.ClinicService;
/**
* Instructs Spring MVC on how to parse and print elements of type 'PetType'. Starting from Spring 3.0, Formatters have
* come as an improvement in comparison to legacy PropertyEditors. See the following links for more details: - The
* Spring ref doc: http://static.springsource.org/spring/docs/current/spring-framework-reference/html/validation.html#format-Formatter-SPI
* - A nice blog entry from Gordon Dickens: http://gordondickens.com/wordpress/2010/09/30/using-spring-3-0-custom-type-converter/
* <p/>
* Also see how the bean 'conversionService' has been declared inside /WEB-INF/mvc-core-config.xml
*
* @author Mark Fisher
* @author Juergen Hoeller
* @author Michael Isvy
*/
public class PetTypeFormatter implements Formatter<PetType> {
private final ClinicService clinicService;
@Autowired
public PetTypeFormatter(ClinicService clinicService) {
this.clinicService = clinicService;
}
@Override
public String print(PetType petType, Locale locale) {
return petType.getName();
}
@Override
public PetType parse(String text, Locale locale) throws ParseException {
Collection<PetType> findPetTypes = this.clinicService.findPetTypes();
for (PetType type : findPetTypes) {
if (type.getName().equals(text)) {
return type;
}
}
throw new ParseException("type not found: " + text, 0);
}
}