判断当前class是否在jar中运行

雁凡彡

于 2020-04-24 16:56:08 发布

阅读量440

点赞数 1

分类专栏： java 文章标签： java

本文链接：https://blog.youkuaiyun.com/youyangrensheng/article/details/105735117

版权

java 专栏收录该内容

7 篇文章

订阅专栏

public static String getPublicKey() throws IOException{
    String publicPath = Thread.currentThread().getContextClassLoader().getResource("rsa_public_key.pem").getPath();
    boolean contains = publicPath.contains(".jar");
    InputStream inStream;
    if (contains) {
        inStream = new FileInputStream("rsa_public_key.pem");
        System.out.println("当前class是在jar运行的");
    } else {
        inStream = new FileInputStream(publicPath);
        System.out.println("当前class是在war运行的");
    }
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int ch;
    while ((ch = inStream.read()) != -1) {
        out.write(ch);
    }
    publicKey = out.toString();
    return publicKey;
}