import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import java.io.File;
import java.io.IOException;
private void uploadFile(File file) {
try {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
HttpPost httpPost = new HttpPost("http://example.com/upload");
MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
entityBuilder.addBinaryBody("file", file);
httpPost.setEntity(entityBuilder.build());
HttpResponse response = httpClient.execute(httpPost);
HttpEntity httpEntity = response.getEntity();
if (httpEntity != null) {
String responseString = EntityUtils.toString(httpEntity);
}
httpClient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.*;
private void downloadFile(String fileUrl, String savePath) {
try {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
HttpGet httpGet = new HttpGet(fileUrl);
HttpResponse response = httpClient.execute(httpGet);
HttpEntity httpEntity = response.getEntity();
InputStream inputStream = httpEntity.getContent();
File file = new File(savePath);
FileOutputStream outputStream = new FileOutputStream(file);
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bytesRead);
}
inputStream.close();
outputStream.close();
httpClient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
