defaultbeaninforesolver.java

一个demo是关于swing

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package com.l2fprod.common.model;

import com.l2fprod.common.beans.BeanInfoResolver;

import java.beans.BeanInfo;

/**
 * DefaultBeanInfoResolver. <br>
 *  
 */
public class DefaultBeanInfoResolver implements BeanInfoResolver {

  public DefaultBeanInfoResolver() {
    super();
  }

  public BeanInfo getBeanInfo(Object object) {
    if (object == null) {
      return null;
    }

    return getBeanInfo(object.getClass());
  }

  public BeanInfo getBeanInfo(Class clazz) {
    if (clazz == null) {
      return null;
    }

    String classname = clazz.getName();

    // look for .impl.basic., remove it and call getBeanInfo(class)
    int index = classname.indexOf(".impl.basic");
    if (index != -1 && classname.endsWith("Basic")) {
      classname =
        classname.substring(0, index)
          + classname.substring(
            index + ".impl.basic".length(),
            classname.lastIndexOf("Basic"));
      try {
        return getBeanInfo(Class.forName(classname));
      } catch (ClassNotFoundException e) {
        e.printStackTrace();
        return null;
      }
    } else {
      try {
        BeanInfo beanInfo =
          (BeanInfo)Class.forName(classname + "BeanInfo").newInstance();
        return beanInfo;
      } catch (Exception e) {
        e.printStackTrace();
        return null;
      }
    }
  }

}