Java API 开发中使用 Dropbox 进行存储管理

<dependency>
    <groupId>com.dropbox.core</groupId>
    <artifactId>dropbox-core-sdk</artifactId>
    <version>2.1.2</version>
</dependency>

DbxRequestConfig config = new DbxRequestConfig("dropbox/java-tutorial", "en_US");
DbxClientV2 client = new DbxClientV2(config, ACCESS_TOKEN);

DbxClientV2 client = ...
String path = "/newfolder";
try {
    Metadata metadata = client.files().createFolderV2(path).getMetadata();
    System.out.println(metadata.getPathDisplay() + " has been created");
} catch (CreateFolderErrorException e) {
    System.err.println("Error creating new folder: " + e.getMessage());
}

DbxClientV2 client = ...
String localPath = "path/to/local/file";
String remotePath = "/remote/path/file.txt";
try (InputStream in = new FileInputStream(localPath)) {
    FileMetadata metadata = client.files().uploadBuilder(remotePath)
        .uploadAndFinish(in);
    System.out.println(metadata.getPathDisplay() + " has been uploaded");
} catch (UploadErrorException e) {
    System.err.println("Error uploading file: " + e.getMessage());
}

DbxClientV2 client = ...
String remotePath = "/remote/path/file.txt";
try {
    OutputStream out = new FileOutputStream("path/to/local/file");
    FileMetadata metadata = client.files().downloadBuilder(remotePath)
        .download(out);
    System.out.println(metadata.getPathDisplay() + " has been downloaded");
} catch (DownloadErrorException e) {
    System.err.println("Error downloading file: " + e.getMessage());
}

DbxClientV2 client = ...
String remotePath = "/remote/path/file.txt";
try {
    Metadata metadata = client.files().deleteV2(remotePath).getMetadata();
    System.out.println(metadata.getPathDisplay() + " has been deleted");
} catch (DeleteErrorException e) {
    System.err.println("Error deleting file: " + e.getMessage());
}