Android Open Source - FCV Get Api

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License

The source code is released under:

Apache License

Java Source Code

package fcv.tomazini.automacaoresidencial.util;
/*from  w  w w.j a  v a  2 s.c  o m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;

public class GetApi {
  private static final String ENCODING = "UTF-8";
  private String location = "";
  private String port = "80";

  public GetApi(String location) {
    this.location = location;
  }

  public boolean isConnected(Context context) {
    final ConnectivityManager connectivityManager = (ConnectivityManager) context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    final NetworkInfo networkInfo = connectivityManager
        .getActiveNetworkInfo();

    boolean ativo = (networkInfo != null && networkInfo.isConnected());
    if (ativo)
      return isServerActive(context);
    return false;
  }

  private boolean isServerActive(Context context) {
    try {
      URL myUrl = new URL("http://" + location + ":" + port);
      URLConnection connection = myUrl.openConnection();
      connection.setConnectTimeout(3000);
      connection.connect();
      return true;
    } catch (Exception e) {
      return false;
    }
  }

  public String getFromApi(String action) {
    HttpClient client = new DefaultHttpClient();
    StringBuilder builder = new StringBuilder();
    HttpGet httpGet = new HttpGet("http://" + location + ":" + port + "/"
        + action);
    try {
      HttpResponse response = client.execute(httpGet);
      StatusLine statusLine = response.getStatusLine();
      int statusCode = statusLine.getStatusCode();
      if (statusCode == 200) {
        HttpEntity entity = response.getEntity();
        InputStream content = entity.getContent();
        BufferedReader reader = new BufferedReader(
            new InputStreamReader(content, ENCODING));

        String line;
        while ((line = reader.readLine()) != null) {
          builder.append(line);
        }
      } else {
        Log.e("Error....", "Failed to download file");
      }
    } catch (ClientProtocolException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }

    return builder.toString();
  }
}

Java Source Code List

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