Android Open Source - transloadit-Android-sdk Default Http Executor

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License

The source code is released under:

MIT License

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Java Source Code

package hu.szabot.transloadit.executor;
/*from w w w.j  a v a  2 s.  c om*/
import hu.szabot.transloadit.IApiRequest.RequestMethod;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.DefaultHttpClient;

public class DefaultHttpExecutor implements IRequestExecutor{

  /**Destination URI*/
  private URI uri;
  
  /**Request method*/
  private RequestMethod method=RequestMethod.GET;
  
  @Override
  public void setUri(URI uri) 
  {
    this.uri=uri;
  }
  
  @Override
  public void setMethod(RequestMethod method) 
  {
    this.method=method;
  }

  @Override
  public String execute(ParsedApiData data) throws ClientProtocolException, IOException 
  {
    HttpClient client = new DefaultHttpClient();
        
        HttpRequestBase request=getRequest(method, uri);
        
        if(method==RequestMethod.POST ||method==RequestMethod.PUT)
        {
          HttpEntityEnclosingRequestBase requestWithEntity=(HttpEntityEnclosingRequestBase)request;
          
          MultipartEntityBuilder entityBuilder=MultipartEntityBuilder.create();
        
        entityBuilder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
        
        for(String key : data.getFields().keySet())
        {
          entityBuilder.addTextBody(key, data.getFields().get(key));
        }
        
        for(String key : data.getFiles().keySet())
        {
          entityBuilder.addPart(key, new FileBody(data.getFiles().get(key)));
        }
        
        HttpEntity entity=entityBuilder.build();
        
        requestWithEntity.setEntity(entity);
        }
        
        HttpResponse response = client.execute(request);
        
        return getContent(response);
        
    }

  /** Export the response string from response object
   * 
   * @param response Response object
   * @return The response string
   * @throws IOException Thrown when I/O error occurred in the communication.
   */
  public static String getContent(HttpResponse response) throws IOException 
  {
      BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
      String body = "";
      String content = "";
  
      while ((body = rd.readLine()) != null) 
      {
          content += body + "\n";
      }
      return content.trim();
  }
  
  
  /**
   * Creates the request object from method and URI
   * @param method The request method
   * @param uri The request URI
   * @return The created request object
   */
  private HttpRequestBase getRequest(RequestMethod method,URI uri)
    {
      switch (method) 
      {
      case GET:
      {
        return new HttpGet(uri);
      }
      case POST:
      {  
        return new HttpPost(uri);
      }
        case PUT:
        {  
        return new HttpPut(uri);
        }
        case DELETE:
        {  
        return new HttpDelete(uri);
      }
      }
      
      return null;
    
    }
}

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