mbeandescriptorbasedassembler.java

jmx在spring中的实现

/*
======================================================================

  MBeanDescriptorAssembler.java

  Created by Claude Duguay
  Copyright (c) 2005

======================================================================
*/

package com.claudeduguay.mbeans.spring;

import java.io.*;

import javax.management.modelmbean.*;

import org.springframework.core.io.*;
import org.springframework.jmx.export.assembler.*;

import com.claudeduguay.mbeans.model.*;

public class MBeanDescriptorBasedAssembler implements MBeanInfoAssembler
{
	public ModelMBeanInfo getMBeanInfo(Object managedBean, String beanKey)
	{
		String name = managedBean.getClass().getName();
		String path = name.replace('.', '/') + ".mbean.xml";
		System.out.println("Load MBean Descriptor: " + path);
		System.out.println(beanKey);
		
		ClassPathResource resource = new ClassPathResource(path);
		InputStream input = null;
		try
		{
			input = resource.getInputStream();
			MBeanDescriptor descriptor = MBeanDescriptorUtil.read(input);
			return descriptor.createMBeanInfo();
		}
		catch (Exception e)
		{
			throw new IllegalStateException("Unable to load resource: " + path);
		}
		finally
		{
			if (input != null)
		  {
				try { input.close(); } catch (Exception x) {}
		  }
		}
	}
}