sxyRain
2013-09-25 15:12javabean 如何 通过内省 获取 自定义的BeanInfo?
package com.foo;
import java.beans.*;
import java.util.*;
public class MyJavaBean {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
//-----------------------------------------------------
package com.foo;
import java.awt.Image;
import java.beans.*;
import java.util.*;
public class MyJavaBeanBeanInfo implements BeanInfo{
public BeanInfo[] getAdditionalBeanInfo() {
// TODO Auto-generated method stub
return null;
}
public BeanDescriptor getBeanDescriptor() {
// TODO Auto-generated method stub
return null;
}
public int getDefaultEventIndex() {
// TODO Auto-generated method stub
return 0;
}
public int getDefaultPropertyIndex() {
// TODO Auto-generated method stub
return 0;
}
public EventSetDescriptor[] getEventSetDescriptors() {
// TODO Auto-generated method stub
return null;
}
public Image getIcon(int iconKind) {
// TODO Auto-generated method stub
return null;
}
public MethodDescriptor[] getMethodDescriptors() {
// TODO Auto-generated method stub
return null;
}
public PropertyDescriptor[] getPropertyDescriptors() {
// TODO Auto-generated method stub
return null;
}
}
//-----------------------------------------------------
package com.foo;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import com.foo.MyJavaBean;
public class BeanInfoTest {
public static void main(String[] args) throws IntrospectionException {
BeanInfo beanInfo=Introspector.getBeanInfo(new MyJavaBean().getClass(),Introspector.USE_ALL_BEANINFO);
System.out.println(beanInfo);
}
}
//此处打印结果: java.beans.GenericBeanInfo@83cc67
问题:我想通过 BeanInfo beanInfo=Introspector.getBeanInfo(new MyJavaBean().getClass(),Introspector.USE_ALL_BEANINFO); 来获MyJavaBean类的自定义的BeanInfo类(MyJavaBeanBeanInfo),为什么总是获取不到,获取的结果总是GenericBeanInfo,我想要的是MyJavaBeanBeanInfo类。
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