Android Open Source - EdXVideoViewer Http Get Request

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From Project

Back to project page EdXVideoViewer.

License

The source code is released under:

MIT License

Java Source Code

package com.github.krooken.edxvideoviewer;
//  www . j  a  v a2s.  c o  m
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.net.URI;
import java.util.LinkedList;

import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.util.Log;

public class HttpGetRequest {
  
  private static final String TAG = "HttpGetRequest";
  private URI getRequestUri;
  private String cookieHeader = "";
  private Header[] responseHeaders;
  private String responseContent;
  private LinkedList<BasicNameValuePair> postData = 
      new LinkedList<BasicNameValuePair>();
  private String referer = "";
  private String xCsrfToken = "";
  private int statusCode = -1;

  public HttpGetRequest(URI uri) {
    getRequestUri = uri;
  }
  
  public void addCookieHeader(String cookieString) {
    cookieHeader += cookieString;
  }
  
  public void addPostData(String name, String value) {
    postData.add(new BasicNameValuePair(name, value));
  }
  
  public void setReferer(String referer) {
    this.referer = referer;
  }
  
  public void setXCsrfToken(String csrfToken) {
    this.xCsrfToken = csrfToken;
  }
  
  private String executeRequest(String method) {
    Log.d(TAG, "Requesting " + getRequestUri.toString());
    
    HttpResponse response = null;
    try {        
      HttpClient client = new DefaultHttpClient();
      HttpRequestBase request;
      if(method.trim().equalsIgnoreCase("post")) {
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(postData);
        HttpPost postRequest = new HttpPost();
        postRequest.setEntity(entity);
        postRequest.addHeader("Referer", referer);
        postRequest.addHeader("X-CSRFToken", xCsrfToken);
        postRequest.addHeader("Content-Type", "application/x-www-form-urlencoded");
        request = postRequest;
      } else {
        // Method get is default.
        request = new HttpGet();
      }
      request.setURI(getRequestUri);
      request.addHeader("Cookie", cookieHeader);
      response = client.execute(request);
    } catch (ClientProtocolException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    if(response != null) {
      
      Log.d(TAG, "Status code: " + response.getStatusLine().getStatusCode()
          + " " + response.getStatusLine().getReasonPhrase());
      statusCode = response.getStatusLine().getStatusCode();
      
      responseHeaders = response.getAllHeaders();
      for(int i=0; i<responseHeaders.length; i++) {
        Log.d(TAG, "Header name: " + responseHeaders[i].getName() + 
            " value: " + responseHeaders[i].getValue());
      }
    }
    
    InputStream responseStream = null;
    try {
      responseStream = response.getEntity().getContent();
    } catch (IllegalStateException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }

    if(responseStream != null) {
      Writer writer = new StringWriter();

      char[] buffer = new char[1024];
      try {
        Reader reader = new BufferedReader(new InputStreamReader(responseStream, "UTF-8"),1024);
        int n;
        while ((n = reader.read(buffer)) != -1) {
          writer.write(buffer, 0, n);
        }
      } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      } finally {
        try {
          responseStream.close();
        } catch (IOException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
      responseContent = writer.toString();
    }
    else {
      responseContent = "";
    }
    
    if(response != null) {
      try {
        response.getEntity().consumeContent();
      } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
    
    return responseContent;
  }
  
  public String executeGetRequest() {
    return executeRequest("GET");
  }
  
  public String executePostRequest() {
    return executeRequest("POST");
  }
  
  public Header[] getResponseHeaders() {
    return responseHeaders;
  }
  
  public String getResponseContent() {
    return responseContent;
  }
  
  public int getStatusCode() {
    return statusCode;
  }
}

Java Source Code List

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