Java插件开发-取插件下的某个文件

//找到插件所在处
Bundle bundle = Activator.getDefault().getBundle();

//根据插件转义成URL路径
URL url = FileLocator.toFileURL(bundle.getEntry("ZipFileName"));
String zipPath = url.getPath();
File zipPathFile = new File(zipPath);
if(!zipPathFile.exists()) {
　　throw new RuntimeException("");
}