Jenkins Plugin Developer Guide

Plugin tutorial

​​Plugin tutorial​​

重要接口

1. ExtensionPoint & Describable：a plugin may simply implement extension points, registering them with the @hudson.Extension annotation for automatic detection by Jenkins.
2. GlobalVariable
3. Plugin：A plugin’s main entry point may be a PluginImpl class that extends from Plugin. Once Jenkins detects this plugin class (via its inheritance relationship from Plugin), it will create an instance, and invoke methods.
4. @Initializer
5. hudson.model.Action 和它的子接口们

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Extensions

​​Extensions Index​​：Extension points defined in Jenkins Core 中列出的是Jenkins Core中所有的扩展点及目前所有的Jenkins插件中实现此扩展点的插件；剩余的部分是从每个插件的视角，描述了每个插件实现了Jenkins Core中的哪些扩展点，以及有哪些雷类实现了此扩展点；

Defining a new extension point

1. ​​Singleton Pattern​​
2. ​​Describable/Descriptor pattern​​

常用扩展点及精彩示例

Dependencies among plugins

一个插件可以依赖其他的插件，假设插件X依赖于插件Y，则在运行时，Jenkins会把X插件的classloader委托给已经创建好的Y插件的classloader

参考

​​Extend Jenkins​​​​Plugin Tutorial​​​​How-To Guides​​​​Jenkins Developer Reference ​​​​Extensions Index ​​Jenkins使用及插件开发介绍
火线教你如何开发Jenkins插件