spring屬性編輯器

 

首先定義UtilDatePropertyEdit類繼承自PropertyEditorSupport

import java.beans.PropertyEditorSupport;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* 自定義屬性編輯器
* @author yqs
*
*/
public class UtilDatePropertyEdit extends PropertyEditorSupport {

   private String format = "yyyy/MM/dd";
    
   public void setAsText(String text) throws IllegalArgumentException {
  System.out.println(text + "----");
    
    SimpleDateFormat sdf = new SimpleDateFormat(format);
     try {
      Date d = sdf.parse(text);
       this.setValue(d);
    } catch (ParseException e) {
      e.printStackTrace();
    }
  }

   public void setFormat(String format) {
     this.format = format;
  }

}

 

而後在applicationContext-editor.xml配置文件裏對編輯器進行定義，代碼以下

  <!-- 定義屬性編輯器 -->
   < bean id ="customEditorConfigurer" class ="org.springframework.beans.factory.config.CustomEditorConfigurer" >
     < property name ="customEditors" >
       < map >
         < entry key ="java.util.Date" >
           < bean class ="com.yqs.spring.UtilDatePropertyEdit" >
             < property name ="format" value ="yyyy-MM-dd" />
           </ bean >
         </ entry >
       </ map >
     </ property >    
   </ bean >

 

在配置文件裏配置一下就能夠使用了

< property name ="dateValue" >
         < value >2008-11-25 </ value >
     </ property >

 

如下是使用方法，包括int、String、list、set、map、arrays等的用法

public class InjectionTest extends TestCase {
   private BeanFactory factory;
    
   protected void setUp() throws Exception {
    factory = new ClassPathXmlApplicationContext( "applicationContext-*.xml");
  }

   public void testInjection() {
    Bean1 bean1 = (Bean1)factory.getBean( "bean1");
    System.out.println(bean1.getStrValue());
    System.out.println(bean1.getIntValue());
    
     //System.out.println(bean1.getListValue());
    List<String> list = bean1.getListValue();    
     for(String element : list) { //Enhanced for loop need Generic
      System.out.println(element);
    }
    
    Set<String> set = bean1.getSetValue();
     for(String str : set) {
      System.out.println(str);
    }
    
    Map map = bean1.getMapValue();
    Collection<String> coll = map.values();
     for(String str : coll) {
      System.out.println(str);
    }
    
    String[] strs = bean1.getArrayValue();
     for(String str : strs) {       System.out.println(str);     }          Date d = bean1.getDateValue();     System.out.println(d);          Date d2 = bean1.getDateValue2();     System.out.println(d2);        } }