package com.paderlol.spring.practice.properties.editor;import com.paderlol.spring.practice.properties.pojo.Movie;import java.beans.PropertyEditorSupport;import lombok.extern.slf4j.Slf4j;import org.springframework.beans.PropertyEditorRegistrar;import org.springframework.beans.PropertyEditorRegistry;/** * @author pader PropertyEditor 在不同的包下面 */@Slf4jpublic class CustomMovieEditor extends PropertyEditorSupportimplements PropertyEditorRegistrar {  @Override  public String getAsText() {    Movie movie = (Movie) getValue();    return movie == null ? "" : movie.getName();  }  @Override  public void setAsText(String text) throws IllegalArgumentException {    log.info("繼承[PropertyEditorSupport]類,轉換數據={}", text);    String[] data = text.split("-");    Movie movie = Movie.builder().name(data[0]    .toUpperCase()).seat(Integer.parseInt(data[1]))    .build();    setValue(movie);  }  @Override  public void registerCustomEditors(PropertyEditorRegistry registry) {    registry.registerCustomEditor(Movie.class,this);  }}

@Beanpublic CustomEditorConfigurer customEditorConfigurer() {  CustomEditorConfigurer customEditorConfigurer = new CustomEditorConfigurer();      // 有兩種注冊方式 這是第一種  customEditorConfigurer.setPropertyEditorRegistrars(     new PropertyEditorRegistrar[]{ new CustomMovieEditor() });     // 第二 種    Map<Class<?>,Class<? extends PropertyEditor>> maps = new HashMap<>();    maps.put(Movie.class,CustomMovieEditor.class);  return customEditorConfigurer;}

//注意@Component@ConfigurationPropertiesBindingpublic class StringToPersonConverter implements Converter<String, Person> {  @Override  public Person convert(String from) {    log.info("使用[Converter]接口,轉換數據={}", from);    String[] data = from.split(",");    return Person.builder().name(data[0]).age(Integer.parseInt(data[1])).build();  }}

@Autowired(required = false)@ConfigurationPropertiesBindingpublic void setConverters(List<Converter<?, ?>> converters) {   this.converters = converters;}/*** A list of custom converters (in addition to the defaults) to use when* converting properties for binding.* @param converters the converters to set*/@Autowired(required = false)@ConfigurationPropertiesBindingpublic void setGenericConverters(List<GenericConverter> converters) {this.genericConverters = converters; }

public ConversionService getConversionService() {    try {      //默認首先尋找Bean名稱叫conversionService的ConversionService的Bean類      return this.applicationContext.getBean(          ConfigurableApplicationContext.CONVERSION_SERVICE_BEAN_NAME,          ConversionService.class);    }    catch (NoSuchBeanDefinitionException ex) {      //找不到就默認生成ApplicationConversionService類      return this.applicationContext.getAutowireCapableBeanFactory()          .createBean(Factory.class).create();    }}