<dependencies>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.10</version>
</dependency>
</dependencies>
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.File;
import java.io.IOException;
public class FileUploader {
public static void main(String[] args) {
HttpClient httpClient = HttpClientBuilder.create().build();
HttpPost httpPost = new HttpPost(url);
File file = new File("path/to/file.txt");
HttpEntity entity = MultipartEntityBuilder.create()
.addBinaryBody("file", file, ContentType.DEFAULT_BINARY, file.getName())
.build();
httpPost.setEntity(entity);
try {
HttpResponse response = httpClient.execute(httpPost);
if (response.getStatusLine().getStatusCode() == 200) {
} else {
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.entity.BufferedHttpEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class FileDownloader {
public static void main(String[] args) {
HttpClient httpClient = HttpClientBuilder.create().build();
HttpGet httpGet = new HttpGet(url);
try {
HttpResponse response = httpClient.execute(httpGet);
if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity entity = response.getEntity();
BufferedHttpEntity bufferedEntity = new BufferedHttpEntity(entity);
InputStream inputStream = bufferedEntity.getContent();
OutputStream outputStream = new FileOutputStream("path/to/save/file.txt");
int bytesRead;
byte[] buffer = new byte[1024];
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
outputStream.close();
inputStream.close();
EntityUtils.consume(entity);
} else {
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
