<dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.3.5</version>
    </dependency>

import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.NTCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class HttpDeleteWithHttpClient {
  /**
   * delete a file in a sharepoint library
   */
   public static void main(String[] args) throws Exception{
     CloseableHttpClient httpclient = HttpClients.custom()
      .setRetryHandler(new DefaultHttpRequestRetryHandler(0,false))
      .build();

     String user = "myusername";
     String pwd = "mypassword";
     CredentialsProvider credsProvider = new BasicCredentialsProvider();
     credsProvider.setCredentials(AuthScope.ANY,
        new NTCredentials(user, pwd, "", ""));
     // You may get 401 if you go through a load-balancer.
     // To fix this, go directly to one the sharepoint web server or
     // change the config. See this article :
     // http://blog.crsw.com/2008/10/14/unauthorized-401-1-exception-calling-web-services-in-sharepoint/
     HttpHost target = new HttpHost("web.mysharepoint.local", 80, "http");
     HttpClientContext context = HttpClientContext.create();
     context.setCredentialsProvider(credsProvider);
     // The authentication is NTLM.
     // To trigger it, we send a minimal http request
     HttpHead request1 = new HttpHead("/");
     CloseableHttpResponse response1 = null;
     try {
       response1 = httpclient.execute(target, request1, context);
       EntityUtils.consume(response1.getEntity());
       System.out.println("1 : " + response1.getStatusLine().getStatusCode());
     }
     finally {
       if (response1 != null ) response1.close();
     }

     // The real request, reuse authentication
     HttpDelete request2 = new HttpDelete("/30500C/PubDoc/TEST/jira.log");  // target
     CloseableHttpResponse resp = httpclient.execute(target,request2, context);
     System.out.println("2 : " + resp.getStatusLine().getStatusCode());
     resp.close();
     //
     // 204 No Content
     //     The server successfully processed the request, but is not returning any content.
     //     Usually used as a response to a successful delete request.
     // other
     //     we have a problem
   }
}