.class工具类测试
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public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, world!"); } }
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<groupId>com.muyu</groupId>
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<artifactId>cloud-common-security</artifactId>
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</dependency>
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<dependency>
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<groupId>com.aliyun.oss</groupId>
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<artifactId>aliyun-sdk-oss</artifactId>
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<version>3.17.4</version>
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<scope>compile</scope>
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</dependency>
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<!-- <dependency>-->
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<!-- <groupId>org.springframework.boot</groupId>-->
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package com.muyu.utils;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.muyu.common.core.domain.Result;
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import java.io.ByteArrayInputStream;
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import java.nio.charset.StandardCharsets;
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public class OssUpload {
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private static final String endpoint = "https://oss-cn-shanghai.aliyuncs.com";
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private static final String accessKeyId = "LTAI5t8LmMHfW8ckPaAZR6oQ";
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private static final String accessKeySecret = "pwzEwkpxcTFgurkARyr7sG7V6syc9x";
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private static final String bucketName = "011811";
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public static Result<Object> uploadFiles(String content, String fileName) {
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OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
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String objectName = "build/rule/version/" + fileName + ".java";
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try {
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ByteArrayInputStream inputStream = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
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PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, inputStream);
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ossClient.putObject(putObjectRequest);
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return Result.success(null, "文件" + fileName + ".java" + "存储成功");
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} catch (Exception e) {
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e.printStackTrace();
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return Result.error(null, "文件" + fileName + ".java" + "存储失败");
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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}
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}
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//package com.muyu.utils;
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//
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//import lombok.extern.log4j.Log4j2;
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//import org.springframework.web.multipart.MultipartFile;
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//
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//import java.io.*;
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//import java.time.LocalDateTime;
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//import java.util.UUID;
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//
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///**
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// * Oss服务调用
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// */
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//@Log4j2
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//public class OssUtil {
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//
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// /**
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// * Endpoint 存储对象概述 阿里云主账号AccessKey，accessKeySecret拥有所有API的访问权限 访问路径前缀 存储对象概述
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// */
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// private static String endPoint = "oss-cn-beijing.aliyuncs.com";
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// private static String accessKeyId = " LTAI5tFNfBpzEbLkntksCgwC";
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// private static String accessKeySecret = "XmYwUEea6BpgssdLKXMlpdzCI42Pk7";
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// private static String accessPre = "https://qdm123.oss-cn-beijing.aliyuncs.com/";
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//
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// /**
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// * bucket名称
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// *
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// * @return
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// */
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// private static String bucketName = "qdm123";
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//
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// private static Oss ossClient;
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//
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// static {
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// ossClient = new OSSClientBuilder().build(
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// endPoint,
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// accessKeyId,
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// accessKeySecret);
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// log.info("oss服务连接成功！");
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// }
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//
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// /**
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// * 默认路径上传本地文件
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// *
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// * @param filePath
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// */
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// public static String uploadFile(String filePath) {
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// return uploadFileForBucket(bucketName, getOssFilePath(filePath), filePath);
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// }
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//
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// /**
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// * 默认路径上传multipartFile文件
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// *
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// * @param multipartFile
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// */
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// public static String uploadMultipartFile(MultipartFile multipartFile) {
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// return uploadMultipartFile(bucketName, getOssFilePath(multipartFile.getOriginalFilename()), multipartFile);
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// }
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//
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// /**
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// * 上传 multipartFile 类型文件
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// *
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// * @param bucketName
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// * @param ossPath
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// * @param multipartFile
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// */
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// public static String uploadMultipartFile(String bucketName, String ossPath, MultipartFile multipartFile) {
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// InputStream inputStream = null;
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// try {
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// inputStream = multipartFile.getInputStream();
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// } catch (IOException e) {
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// e.printStackTrace();
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// }
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// uploadFileInputStreamForBucket(bucketName, ossPath, inputStream);
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// return accessPre + ossPath;
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// }
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//
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// /**
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// * 使用File上传PutObject上传文件 ** 程序默认使用次方法上传
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// *
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// * @param bucketName 实例名称
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// * @param ossPath oss存储路径
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// * @param filePath 本地文件路径
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// */
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// public static String uploadFileForBucket(String bucketName, String ossPath, String filePath) {
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// // 创建PutObjectRequest对象。
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// PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, ossPath, new File(filePath));
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//
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// // 上传
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// ossClient.putObject(putObjectRequest);
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// return accessPre + ossPath;
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// }
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//
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// /**
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// * 使用文件流上传到指定的bucket实例
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// *
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// * @param bucketName 实例名称
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// * @param ossPath oss存储路径
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// * @param filePath 本地文件路径
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// */
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// public static String uploadFileInputStreamForBucket(String bucketName, String ossPath, String filePath) {
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//
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// // 填写本地文件的完整路径。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
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// InputStream inputStream = null;
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// try {
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// inputStream = new FileInputStream(filePath);
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// } catch (FileNotFoundException e) {
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// e.printStackTrace();
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// }
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// // 填写Bucket名称和Object完整路径。Object完整路径中不能包含Bucket名称。
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// uploadFileInputStreamForBucket(bucketName, ossPath, inputStream);
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// return accessPre + ossPath;
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// }
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//
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// public static void uploadFileInputStreamForBucket(String bucketName, String ossPath, InputStream inputStream) {
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// ossClient.putObject(bucketName, ossPath, inputStream);
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// }
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//
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// /**
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// * 下载
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// *
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// * @param ossFilePath
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// * @param filePath
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// */
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// public static void downloadFile(String ossFilePath, String filePath) {
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// downloadFileForBucket(bucketName, ossFilePath, filePath);
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// }
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//
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// /**
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// * 下载
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// *
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// * @param bucketName 实例名称
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// * @param ossFilePath oss存储路径
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// * @param filePath 本地文件路径
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// */
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// public static void downloadFileForBucket(String bucketName, String ossFilePath, String filePath) {
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// ossClient.getObject(new GetObjectRequest(bucketName, ossFilePath), new File(filePath));
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// }
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//
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// /**
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// * @return
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// */
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// public static String getOssDefaultPath() {
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// LocalDateTime now = LocalDateTime.now();
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// String url =
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// now.getYear() + "/" +
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// now.getMonth() + "/" +
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// now.getDayOfMonth() + "/" +
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// now.getHour() + "/" +
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// now.getMinute() + "/";
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// return url;
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// }
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//
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// public static String getOssFilePath(String filePath) {
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// String fileSuf = filePath.substring(filePath.indexOf(".") + 1);
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// return getOssDefaultPath() + UUID.randomUUID().toString() + "." + fileSuf;
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// }
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//
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//}
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//
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//
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//
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//
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//
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//
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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<!-- //创建测试工程，引入依赖-->
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<dependency>
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<groupId>com.aliyun.oss</groupId>
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<artifactId>aliyun-sdk-oss</artifactId>
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<version>3.17.4</version>
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</dependency>
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<dependency>
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<groupId>javax.xml.bind</groupId>
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<artifactId>jaxb-api</artifactId>
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<version>2.3.1</version>
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</dependency>
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<dependency>
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<groupId>javax.activation</groupId>
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<artifactId>activation</artifactId>
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<version>1.1.1</version>
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</dependency>
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<!-- no more than 2.3.3-->
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<dependency>
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<groupId>org.glassfish.jaxb</groupId>
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<artifactId>jaxb-runtime</artifactId>
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<version>2.3.3</version>
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</dependency>
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<!-- Mysql Connector -->
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<dependency>
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<groupId>com.mysql</groupId>
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</dependency>
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<!-- <!– XllJob定时任务 –>-->
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<!-- <dependency>-->
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<!-- <groupId>com.muyu</groupId>-->
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*/
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@PostMapping("/generate")
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public EngineVersion generate(@RequestBody EngineVersion engineVersion) {
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EngineVersion byId1 = engineVersionService.getById(engineVersion.getId());
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EngineMaintenance byId = engIneService.selectById(byId1.getId());
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EngineMaintenance byId = engIneService.selectById(engineVersion.getId());
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byId.setName("generate" + "_" + byId.getEngineCode() + "_" + engineVersion.getVersionCode());
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engineVersion.setRuleContent(GenerateConstant.generateConstant(byId, engineVersion));
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return engineVersion;
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package com.muyu.input;
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import com.aliyun.oss.ClientException;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.common.auth.*;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.OSSException;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.aliyun.oss.model.PutObjectResult;
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import java.io.FileInputStream;
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import java.io.InputStream;
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public class Demo {
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public static void main(String[] args) throws Exception {
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// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
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String endpoint = "https://oss-cn-shanghai.aliyuncs.com";
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// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
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EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
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// 填写Bucket名称，例如examplebucket。
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String bucketName = "011811";
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// 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
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String objectName = "localpath\\examplefile.txt";
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// 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
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// 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
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String filePath= "C:\\Users\\qdm\\Desktop\\Project\\CLOUD-ETL-UI-ENGINE\\cloud-etl-engine\\cloud-etl-server\\target\\";
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// 创建OSSClient实例。
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OSS ossClient = new OSSClientBuilder().build(endpoint, credentialsProvider);
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try {
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InputStream inputStream = new FileInputStream(filePath);
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// 创建PutObjectRequest对象。
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PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, inputStream);
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// 创建PutObject请求。
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PutObjectResult result = ossClient.putObject(putObjectRequest);
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} catch (OSSException oe) {
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System.out.println("Caught an OSSException, which means your request made it to OSS, "
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+ "but was rejected with an error response for some reason.");
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System.out.println("Error Message:" + oe.getErrorMessage());
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System.out.println("Error Code:" + oe.getErrorCode());
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System.out.println("Request ID:" + oe.getRequestId());
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System.out.println("Host ID:" + oe.getHostId());
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} catch (ClientException ce) {
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System.out.println("Caught an ClientException, which means the client encountered "
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+ "a serious internal problem while trying to communicate with OSS, "
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+ "such as not being able to access the network.");
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System.out.println("Error Message:" + ce.getMessage());
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} finally {
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if (ossClient != null) {
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ossClient.shutdown();
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}
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}
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}
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}
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package com.muyu.javacomplier;
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import lombok.extern.log4j.Log4j2;
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import javax.tools.*;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.Arrays;
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@Log4j2
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public class JavaCompilerDemo {
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public static void main(String[] args) {
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String sourceCode = "public class HelloWorld { public static void main(String[] args) { System.out.println(\"Hello, world!\"); } }";
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String fileName = "HelloWorld.java";
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try {
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// 将源代码写入文件
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writeToFile(fileName, sourceCode);
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// 获取Java编译器实例
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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// 设置编译参数
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DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
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StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
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Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjectsFromStrings(Arrays.asList(fileName));
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// 执行编译
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JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, null, null, compilationUnits);
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log.info("数据是:{}"+task);
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boolean success = task.call();
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// 处理编译结果
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if (success) {
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System.out.println("编译成功");
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} else {
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System.out.println("编译失败");
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diagnostics.getDiagnostics().forEach(d -> System.out.format("Line %d, Column %d: %s%n", d.getLineNumber(), d.getColumnNumber(), d.getMessage(null)));
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}
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// 释放资源
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fileManager.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private static void writeToFile(String fileName, String sourceCode) throws IOException {
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try (FileWriter writer = new FileWriter(fileName)) {
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writer.write(sourceCode);
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}
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}
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}
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package com.itranswarp.compiler;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Map;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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import javax.tools.JavaCompiler.CompilationTask;
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/**
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* In-memory compile Java source code as String.
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*
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* @author michael
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*/
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public class JavaStringCompiler {
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JavaCompiler compiler;
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StandardJavaFileManager stdManager;
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public JavaStringCompiler() {
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this.compiler = ToolProvider.getSystemJavaCompiler();
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this.stdManager = compiler.getStandardFileManager(null, null, null);
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}
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/**
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* Compile a Java source file in memory.
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*
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* @param fileName
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* Java file name, e.g. "Test.java"
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* @param source
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* The source code as String.
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* @return The compiled results as Map that contains class name as key,
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* class binary as value.
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* @throws IOException
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* If compile error.
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*/
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public Map<String, byte[]> compile(String fileName, String source) throws IOException {
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try (MemoryJavaFileManager manager = new MemoryJavaFileManager(stdManager)) {
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JavaFileObject javaFileObject = manager.makeStringSource(fileName, source);
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CompilationTask task = compiler.getTask(null, manager, null, null, null, Arrays.asList(javaFileObject));
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Boolean result = task.call();
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if (result == null || !result.booleanValue()) {
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throw new RuntimeException("Compilation failed.");
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}
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return manager.getClassBytes();
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}
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}
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/**
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* Load class from compiled classes.
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*
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* @param name
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* Full class name.
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* @param classBytes
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* Compiled results as a Map.
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* @return The Class instance.
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||||
* @throws ClassNotFoundException
|
||||
* If class not found.
|
||||
* @throws IOException
|
||||
* If load error.
|
||||
*/
|
||||
public Class<?> loadClass(String name, Map<String, byte[]> classBytes) throws ClassNotFoundException, IOException {
|
||||
try (MemoryClassLoader classLoader = new MemoryClassLoader(classBytes)) {
|
||||
return classLoader.loadClass(name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
package com.muyu.javacomplier;
|
||||
|
||||
import java.net.URL;
|
||||
import java.net.URLClassLoader;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* Load class from byte[] which is compiled in memory.
|
||||
*
|
||||
* @author michael
|
||||
*/
|
||||
class MemoryClassLoader extends URLClassLoader {
|
||||
|
||||
// class name to class bytes:
|
||||
Map<String, byte[]> classBytes = new HashMap<String, byte[]>();
|
||||
|
||||
public MemoryClassLoader(Map<String, byte[]> classBytes) {
|
||||
super(new URL[0], MemoryClassLoader.class.getClassLoader());
|
||||
this.classBytes.putAll(classBytes);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected Class<?> findClass(String name) throws ClassNotFoundException {
|
||||
byte[] buf = classBytes.get(name);
|
||||
if (buf == null) {
|
||||
return super.findClass(name);
|
||||
}
|
||||
classBytes.remove(name);
|
||||
return defineClass(name, buf, 0, buf.length);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
package com.itranswarp.compiler;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.FilterOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.OutputStream;
|
||||
import java.net.URI;
|
||||
import java.nio.CharBuffer;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import javax.tools.FileObject;
|
||||
import javax.tools.ForwardingJavaFileManager;
|
||||
import javax.tools.JavaFileManager;
|
||||
import javax.tools.JavaFileObject;
|
||||
import javax.tools.JavaFileObject.Kind;
|
||||
import javax.tools.SimpleJavaFileObject;
|
||||
|
||||
/**
|
||||
* In-memory java file manager.
|
||||
*
|
||||
* @author michael
|
||||
*/
|
||||
class MemoryJavaFileManager extends ForwardingJavaFileManager<JavaFileManager> {
|
||||
|
||||
// compiled classes in bytes:
|
||||
final Map<String, byte[]> classBytes = new HashMap<String, byte[]>();
|
||||
|
||||
MemoryJavaFileManager(JavaFileManager fileManager) {
|
||||
super(fileManager);
|
||||
}
|
||||
|
||||
public Map<String, byte[]> getClassBytes() {
|
||||
return new HashMap<String, byte[]>(this.classBytes);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void flush() throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void close() throws IOException {
|
||||
classBytes.clear();
|
||||
}
|
||||
|
||||
@Override
|
||||
public JavaFileObject getJavaFileForOutput(JavaFileManager.Location location, String className, Kind kind,
|
||||
FileObject sibling) throws IOException {
|
||||
if (kind == Kind.CLASS) {
|
||||
return new MemoryOutputJavaFileObject(className);
|
||||
} else {
|
||||
return super.getJavaFileForOutput(location, className, kind, sibling);
|
||||
}
|
||||
}
|
||||
|
||||
JavaFileObject makeStringSource(String name, String code) {
|
||||
return new MemoryInputJavaFileObject(name, code);
|
||||
}
|
||||
|
||||
static class MemoryInputJavaFileObject extends SimpleJavaFileObject {
|
||||
|
||||
final String code;
|
||||
|
||||
MemoryInputJavaFileObject(String name, String code) {
|
||||
super(URI.create("string:///" + name), Kind.SOURCE);
|
||||
this.code = code;
|
||||
}
|
||||
|
||||
@Override
|
||||
public CharBuffer getCharContent(boolean ignoreEncodingErrors) {
|
||||
return CharBuffer.wrap(code);
|
||||
}
|
||||
}
|
||||
|
||||
class MemoryOutputJavaFileObject extends SimpleJavaFileObject {
|
||||
final String name;
|
||||
|
||||
MemoryOutputJavaFileObject(String name) {
|
||||
super(URI.create("string:///" + name), Kind.CLASS);
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
@Override
|
||||
public OutputStream openOutputStream() {
|
||||
return new FilterOutputStream(new ByteArrayOutputStream()) {
|
||||
@Override
|
||||
public void close() throws IOException {
|
||||
out.close();
|
||||
ByteArrayOutputStream bos = (ByteArrayOutputStream) out;
|
||||
classBytes.put(name, bos.toByteArray());
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
package com.muyu.cloud.rule.utils.upload;
|
||||
|
||||
import com.aliyun.oss.OSSClient;
|
||||
import com.aliyun.oss.model.GetObjectRequest;
|
||||
import com.aliyun.oss.model.ObjectMetadata;
|
||||
import com.muyu.common.core.domain.Result;
|
||||
|
||||
import java.io.File;
|
||||
|
||||
|
||||
public class OssDownload {
|
||||
|
||||
// 阿里云 endpoint
|
||||
private static final String endpoint = "oss-cn-wulanchabu.aliyuncs.com";
|
||||
// 阿里云 accessKeyId
|
||||
private static final String accessKeyId = "LTAI5t8mk6aWqDq5w6WA49et";
|
||||
// 阿里云 accessKeySecret
|
||||
private static final String accessKeySecret = "SuLwzfEOruGOs1RSCq4vA1Bcf1849R";
|
||||
// bucket
|
||||
private static final String bucketName = "oss-1209";
|
||||
// OSS文件路径
|
||||
private static final String filePath = "build/rule/version/";
|
||||
|
||||
public static Result<Object> streamingDownload(String fileName) {
|
||||
String source = null;
|
||||
// 创建 OSSClient 实例
|
||||
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
|
||||
// 判断 bucket 是否存在
|
||||
Boolean flag_bucket = ossClient.doesBucketExist(bucketName);
|
||||
if (!flag_bucket) {
|
||||
System.out.println("bucket不存在");
|
||||
return Result.error("bucket不存在");
|
||||
}
|
||||
String objectName = fileName + ".java";
|
||||
Boolean flag_file = ossClient.doesObjectExist(bucketName, filePath+objectName);
|
||||
if (!flag_file) {
|
||||
System.out.println("预下载文件不存在");
|
||||
return Result.error("预下载文件不存在");
|
||||
}
|
||||
// 本地文件下载路径
|
||||
String localPath = "home/"+objectName;
|
||||
ObjectMetadata object = ossClient.getObject(new GetObjectRequest(bucketName, filePath + objectName), new File(localPath));
|
||||
System.out.println(object);
|
||||
ossClient.shutdown();
|
||||
return Result.success(source);
|
||||
}
|
||||
|
||||
}
|
||||
4
pom.xml
4
pom.xml
|
|
@ -22,8 +22,8 @@
|
|||
<module>cloud-etl-server</module>
|
||||
</modules>
|
||||
<properties>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<maven.compiler.source>17</maven.compiler.source>
|
||||
<maven.compiler.target>17</maven.compiler.target>
|
||||
<maven.compiler.parameters>true</maven.compiler.parameters>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
|
|||
Loading…
Reference in New Issue