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liweinan/Java的ServiceLoader机制.md

Created August 14, 2018 06:59
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Java的ServiceLoader机制.md

首先在META-INF/services里面撰写文件，文件名为io.weli.HelloProvider。

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liweinan commented Aug 14, 2018 •
edited

核心代码在这里：

image

        ServiceLoader<HelloProvider> ldr = ServiceLoader.load(HelloProvider.class);
        for (HelloProvider provider : ldr) {
            //We are only expecting one
            return provider;
        }

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相关文档：https://docs.oracle.com/javase/6/docs/api/java/util/ServiceLoader.html

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