m

spring-boot-fastDFS/src/main/java/com/neo/fastdfs/FastDFSClient.java

@@ -10,18 +10,11 @@ import java.io.*;
 
 public class FastDFSClient {
 	private static org.slf4j.Logger logger = LoggerFactory.getLogger(FastDFSClient.class);
-	private static TrackerClient trackerClient;
-	private static TrackerServer trackerServer;
-	private static StorageClient storageClient;
-	private static StorageServer storageServer;
 
 	static {
 		try {
 			String filePath = new ClassPathResource("fdfs_client.conf").getFile().getAbsolutePath();;
 			ClientGlobal.init(filePath);
-			trackerClient = new TrackerClient();
-			trackerServer = trackerClient.getConnection();
-			storageServer = trackerClient.getStoreStorage(trackerServer);
 		} catch (Exception e) {
 			logger.error("FastDFS Client Init Fail!",e);
 		}
@@ -35,8 +28,9 @@ public class FastDFSClient {
 
 		long startTime = System.currentTimeMillis();
 		String[] uploadResults = null;
+		StorageClient storageClient=null;
 		try {
-			storageClient = new StorageClient(trackerServer, storageServer);
+			storageClient = getTrackerClient();
 			uploadResults = storageClient.upload_file(file.getContent(), file.getExt(), meta_list);
 		} catch (IOException e) {
 			logger.error("IO Exception when uploadind the file:" + file.getName(), e);
@@ -45,7 +39,7 @@ public class FastDFSClient {
 		}
 		logger.info("upload_file time used:" + (System.currentTimeMillis() - startTime) + " ms");
 
-		if (uploadResults == null) {
+		if (uploadResults == null && storageClient!=null) {
 			logger.error("upload file fail, error code:" + storageClient.getErrorCode());
 		}
 		String groupName = uploadResults[0];
@@ -57,7 +51,7 @@ public class FastDFSClient {
 
 	public static FileInfo getFile(String groupName, String remoteFileName) {
 		try {
-			storageClient = new StorageClient(trackerServer, storageServer);
+			StorageClient storageClient = getTrackerClient();
 			return storageClient.get_file_info(groupName, remoteFileName);
 		} catch (IOException e) {
 			logger.error("IO Exception: Get File from Fast DFS failed", e);
@@ -69,7 +63,7 @@ public class FastDFSClient {
 
 	public static InputStream downFile(String groupName, String remoteFileName) {
 		try {
-			storageClient = new StorageClient(trackerServer, storageServer);
+			StorageClient storageClient = getTrackerClient();
 			byte[] fileByte = storageClient.download_file(groupName, remoteFileName);
 			InputStream ins = new ByteArrayInputStream(fileByte);
 			return ins;
@@ -83,22 +77,38 @@ public class FastDFSClient {
 
 	public static void deleteFile(String groupName, String remoteFileName)
 			throws Exception {
-		storageClient = new StorageClient(trackerServer, storageServer);
+		StorageClient storageClient = getTrackerClient();
 		int i = storageClient.delete_file(groupName, remoteFileName);
 		logger.info("delete file successfully!!!" + i);
 	}
 
 	public static StorageServer[] getStoreStorages(String groupName)
 			throws IOException {
+		TrackerClient trackerClient = new TrackerClient();
+		TrackerServer trackerServer = trackerClient.getConnection();
 		return trackerClient.getStoreStorages(trackerServer, groupName);
 	}
 
 	public static ServerInfo[] getFetchStorages(String groupName,
 												String remoteFileName) throws IOException {
+		TrackerClient trackerClient = new TrackerClient();
+		TrackerServer trackerServer = trackerClient.getConnection();
 		return trackerClient.getFetchStorages(trackerServer, groupName, remoteFileName);
 	}
 
-	public static String getTrackerUrl() {
-		return "http://"+trackerServer.getInetSocketAddress().getHostString()+":"+ClientGlobal.getG_tracker_http_port()+"/";
+	public static String getTrackerUrl() throws IOException {
+		return "http://"+getTrackerServer().getInetSocketAddress().getHostString()+":"+ClientGlobal.getG_tracker_http_port()+"/";
+	}
+
+	private static StorageClient getTrackerClient() throws IOException {
+		TrackerServer trackerServer = getTrackerServer();
+		StorageClient storageClient = new StorageClient(trackerServer, null);
+		return  storageClient;
+	}
+
+	private static TrackerServer getTrackerServer() throws IOException {
+		TrackerClient trackerClient = new TrackerClient();
+		TrackerServer trackerServer = trackerClient.getConnection();
+		return  trackerServer;
 	}
 }
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