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    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