Documentation

ExtensionFactory Extension

Summary

Factory to load dubbo extensions.

Extension Interface

org.apache.dubbo.common.extension.ExtensionFactory

Extension Configuration

<dubbo:application compiler="jdk" />

Existing Extension

  • org.apache.dubbo.common.extension.factory.SpiExtensionFactory
  • org.apache.dubbo.config.spring.extension.SpringExtensionFactory

Extension Guide

Directory layout:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxExtensionFactory.java (ExtensionFactory implementation)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.common.extension.ExtensionFactory (plain text file with the content: xxx=com.xxx.XxxExtensionFactory)

XxxExtensionFactory.java:

package com.xxx;
 
import org.apache.dubbo.common.extension.ExtensionFactory;
 
public class XxxExtensionFactory implements ExtensionFactory {
    public Object getExtension(Class<?> type, String name) {
        // ...
    }
}

META-INF/dubbo/org.apache.dubbo.common.extension.ExtensionFactory:

xxx=com.xxx.XxxExtensionFactory