cn.novelweb.tool.upload.fastdfs.FastDfsClient Maven / Gradle / Ivy
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.Connection;
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;
}
}