All Downloads are FREE. Search and download functionalities are using the official Maven repository.

cn.novelweb.tool.upload.fastdfs.FastDfsClient Maven / Gradle / Ivy

There is a newer version: 1.3.22
Show newest version
package cn.novelweb.tool.upload.fastdfs;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.thread.ThreadUtil;
import cn.novelweb.tool.io.FileUtils;
import cn.novelweb.tool.upload.fastdfs.callback.FastDfsUploadCompletionHandler;
import cn.novelweb.tool.upload.fastdfs.client.DefaultStorageClient;
import cn.novelweb.tool.upload.fastdfs.client.DefaultTrackerClient;
import cn.novelweb.tool.upload.fastdfs.client.StorageClient;
import cn.novelweb.tool.upload.fastdfs.client.TrackerClient;
import cn.novelweb.tool.upload.fastdfs.config.FastDfsConfig;
import cn.novelweb.tool.upload.fastdfs.conn.DefaultCommandExecutor;
import cn.novelweb.tool.upload.fastdfs.model.FileInfo;
import cn.novelweb.tool.upload.fastdfs.model.MateData;
import cn.novelweb.tool.upload.fastdfs.model.StorageNode;
import cn.novelweb.tool.upload.fastdfs.model.StorePath;
import cn.novelweb.tool.upload.fastdfs.pool.ConnectionPool;
import cn.novelweb.tool.upload.fastdfs.pool.PooledConnectionFactory;
import cn.novelweb.tool.upload.fastdfs.protocol.storage.callback.DownloadCallback;
import cn.novelweb.tool.upload.fastdfs.utils.Log;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.pool2.impl.GenericKeyedObjectPoolConfig;

import java.io.*;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * 

FastDFS客户端工具

*

2020-02-03 15:03

* * @author Dai Yuanchuan **/ @Slf4j public class FastDfsClient { private static TrackerClient trackerClient; private static StorageClient storageClient; private static boolean isSuccessInit = false; /** * 指定配置文件进行初始化 * * @param confFileName 配置文件名称 */ public static void init(String confFileName) { FastDfsConfig.init(confFileName); } /** * 初始化配置 * * @param fastDfsConfig 配置信息 */ public static void init(FastDfsConfig fastDfsConfig) { Log.debugLog = fastDfsConfig.getDebugLog(); PooledConnectionFactory pooledConnectionFactory = new PooledConnectionFactory( fastDfsConfig.getSoTimeout(), fastDfsConfig.getConnectTimeout()); GenericKeyedObjectPoolConfig conf = new GenericKeyedObjectPoolConfig<>(); conf.setMaxTotal(fastDfsConfig.getMaxTotal()); conf.setMaxTotalPerKey(fastDfsConfig.getMaxTotalPerKey()); conf.setMaxIdlePerKey(fastDfsConfig.getMaxIdlePerKey()); ConnectionPool connectionPool = new ConnectionPool(pooledConnectionFactory, conf); String[] split = fastDfsConfig.getTrackerServers().split(","); Set trackerSet = new HashSet<>(split.length); trackerSet.addAll(Arrays.asList(split)); DefaultCommandExecutor commandExecutor = new DefaultCommandExecutor(trackerSet, connectionPool); trackerClient = new DefaultTrackerClient(commandExecutor); storageClient = new DefaultStorageClient(commandExecutor, trackerClient); isSuccessInit = true; } /** * 上传input流 * 获取默认的group * * @param stream 需要上传的文件输入流 * @param length 文件大小 * @param ext 文件扩展名 * @return 返回存储文件的路径信息 */ public static StorePath uploader(InputStream stream, long length, String ext) { StorageNode node = trackerClient.getStorageNode(); if (node == null) { return null; } return uploader(node.getGroupName(), stream, length, ext); } /** * 上传input流 * 自定义group名 * * @param group 组名称 * @param stream 文件输入流 * @param length 文件大小 * @param ext 文件扩展名 * @return 返回存储文件的路径信息 */ public static StorePath uploader(String group, InputStream stream, long length, String ext) { if (successInit()) { return null; } return storageClient.uploadFile(group, stream, length, ext); } /** * 异步上传input流 * 自定义组名称 * * @param group 组名称 * @param stream 文件输入流 * @param length 文件大小 * @param ext 文件扩展名 * @param handler 异步上传完成后的回调接口,需要实现它 */ public static void asynchronousUpload(final String group, InputStream stream, long length, String ext, FastDfsUploadCompletionHandler handler) { if (successInit()) { return; } ThreadUtil.execAsync(() -> { StorePath storePath = storageClient.uploadFile(group, stream, length, ext); handler.complete(storePath); }); } /** * 字符串上传 * 自定义组名称 * * @param group 自定义组名 * @param str 需要上传的字符串 * @param ext 文件的扩展名(如:json) * @param charsetName 字符集(如:UTF-8) * @return 返回存储文件的路径信息 */ public static StorePath characterStringUploader(String group, String str, String ext, String charsetName) { ByteArrayInputStream inputStream = IoUtil.toStream(str, charsetName); return uploader(group, inputStream, inputStream.available(), ext); } /** * 字符串上传 * 获取默认的使用group * 默认字符集UTF-8 * * @param str 需要上传的字符串 * @param ext 文件的扩展名(如:json) * @return 返回存储文件的路径信息 */ public static StorePath characterStringUploader(String str, String ext) { StorageNode node = trackerClient.getStorageNode(); if (node == null) { return null; } return characterStringUploader(node.getGroupName(), str, ext, "UTF-8"); } /** * 直接上传文件 * 获取默认的group * * @param file 需要上传的文件 * @return 返回存储文件的路径信息 */ public static StorePath uploader(File file) { try { InputStream stream = new FileInputStream(file.getAbsolutePath()); StorageNode node = trackerClient.getStorageNode(); if (node == null) { return null; } return uploader(node.getGroupName(), stream, file.length(), FileUtil.extName(file.getAbsolutePath())); } catch (FileNotFoundException e) { e.printStackTrace(); } return null; } /** * 直接上传文件 * 自定义组的名称 * * @param group 组名称 * @param file 需要上传的文件 * @return 返回存储文件的路径信息 */ public static StorePath uploader(String group, File file) { try { InputStream stream = new FileInputStream(file.getAbsolutePath()); return uploader(group, stream, file.length(), FileUtil.extName(file.getAbsolutePath())); } catch (FileNotFoundException e) { e.printStackTrace(); } return null; } /** * 删除文件 * 自定义组名称 * * @param group 组名称 * @param path 主文件路径 * @return 返回是否删除成功的布尔值 */ public static boolean delete(String group, String path) { if (successInit()) { return false; } return storageClient.deleteFile(group, path); } /** * 删除文件 * * @param fileId 文件id(格式如:group1/M00/00/00/xxx.png) * @return 返回是否删除成功的布尔值 */ public static boolean delete(String fileId) { if (successInit()) { return false; } int i = fileId.indexOf("/"); return storageClient.deleteFile(fileId.substring(0, i), fileId.substring(i + 1)); } /** * 获取文件元信息 * * @param groupName 组名称 * @param path 主文件路径 * @return 获取文件元信息集合,不存在返回空集合 */ public static Set getMetadata(String groupName, String path) { if (successInit()) { return null; } return storageClient.getMetadata(groupName, path); } /** * 获取文件的信息 * * @param groupName 组名称 * @param path 主文件路径 * @return 文件信息(不存在返回null) */ public static FileInfo queryFileInfo(String groupName, String path) { if (successInit()) { return null; } return storageClient.queryFileInfo(groupName, path); } /** * 下载整个文件 * * @param groupName 组名称 * @param path 主文件路径 * @param callback 下载回调接口 * @return 下载回调接口返回结果 */ public static T downloadFile(String groupName, String path, DownloadCallback callback) { if (successInit()) { return null; } return storageClient.downloadFile(groupName, path, callback); } /** * 字符串下载 * 将下载下的数据转为字符串 * * @param groupName 组名称 * @param path 主文件路径 * @return 返回文本数据 */ public static String characterStringDownload(String groupName, String path) { if (successInit()) { return ""; } return storageClient.downloadFile(groupName, path, (InputStream inputStream) -> { String string = FileUtils.inputStreamToString(inputStream); inputStream.close(); return string; }); } /** * 字符串下载 * 将下载下的数据转为字符串 * * @param fileId 文件id(格式如:group1/M00/00/00/xxx.png) * @return 返回文本数据 */ public static String characterStringDownload(String fileId) { if (successInit()) { return ""; } int i = fileId.indexOf("/"); return characterStringDownload(fileId.substring(0, i), fileId.substring(i + 1)); } public static TrackerClient getTrackerClient() { return trackerClient; } public static StorageClient getStorageClient() { return storageClient; } /** * 判断是否完成了init初始化 * * @return 布尔值 */ private static boolean successInit() { if (!isSuccessInit) { log.error("请调用FastDfsClient.init()方法完成初始化设置"); } return !isSuccessInit; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy