Java：如何从 servlet 将文件上传到 WebDAV 服务器？
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Java: How to upload a file to a WebDAV server from a servlet?
提问by francescoNemesi
my ajax application uploads a file to a Java application container from the user's browser. What I'd like to do is this: once the uploading has completed I want to "send" the file to a WebDAV server, identified by the host name (i.e. localhost), the port (i.e. 8080) and the location where I want to store the file (i.e. dir1/dir2).
我的 ajax 应用程序从用户的浏览器将文件上传到 Java 应用程序容器。我想做的是：一旦上传完成，我想将文件“发送”到 WebDAV 服务器，由主机名（即 localhost）、端口（即 8080）和我想要的位置标识存储文件（即 dir1/dir2）。
What I am after is basically a WebDAV client framework that enables me to upload a file to WebDAV. In my application I am already using "webdavclient4j", but I don't seem to find a way to upload a file with it?
我所追求的基本上是一个 WebDAV 客户端框架，它使我能够将文件上传到 WebDAV。在我的应用程序中，我已经在使用“webdavclient4j”，但我似乎没有找到上传文件的方法？
Any ideas? Thanks in advance for any help you might provide.
有任何想法吗？预先感谢您提供的任何帮助。
F
F
采纳答案by Jon Stevens
You can do it with only a few lines of code using my recently released and super easy to use modern webdav client for java, Sardine. Here is a couple examples (first one uses commons-io to read the file):
您可以使用我最近发布的、超级易用的现代 webdav 客户端 Java 沙丁鱼，只用几行代码就可以做到。这是几个示例（第一个使用 commons-io 读取文件）：
Sardine sardine = SardineFactory.begin("username", "password");
byte[] data = FileUtils.readFileToByteArray(new File("/file/on/disk"));
sardine.put("http://yourdavserver.com/adirectory/nameOfFile.jpg", data);
or using streams:
或使用流：
Sardine sardine = SardineFactory.begin("username", "password");
InputStream fis = new FileInputStream(new File("/some/file/on/disk.txt"));
sardine.put("http://yourdavserver.com/adirectory/nameOfFile.jpg", fis);
https://github.com/lookfirst/sardine
https://github.com/lookfirst/sardine
cheers,
干杯，
jon
乔恩
回答by Desintegr
You can use the Hymanrabbit WebDAV Library.
您可以使用Hymanrabbit WebDAV 库。
An example of a WebDAV client to upload content to a WebDAV server (taken from here):
将内容上传到 WebDAV 服务器的 WebDAV 客户端示例（取自此处）：
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URL;
import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.Hymanrabbit.webdav.client.methods.PutMethod;
...
// WebDAV URL:
final String baseUrl = ...;
// Source file to upload:
File f = ...;
try{
HttpClient client = new HttpClient();
Credentials creds = new UsernamePasswordCredentials("username", "password");
client.getState().setCredentials(AuthScope.ANY, creds);
PutMethod method = new PutMethod(baseUrl + "/" + f.getName());
RequestEntity requestEntity = new InputStreamRequestEntity(
new FileInputStream(f));
method.setRequestEntity(requestEntity);
client.executeMethod(method);
System.out.println(method.getStatusCode() + " " + method.getStatusText());
}
catch(HttpException ex){
// Handle Exception
}
catch(IOException ex){
// Handle Exception
}
