Android Open Source - SelfossAndroidClient Fetch Items Operation

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Back to project page SelfossAndroidClient.

License

The source code is released under:

GNU General Public License

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Java Source Code

package org.vester.selfoss.operation;
/*from w w  w .j  a  v a2  s .c o  m*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import org.json.JSONArray;
import org.json.JSONException;
import org.vester.selfoss.FeedEntryMainActivity;
import org.vester.selfoss.R;
import org.vester.selfoss.SettingsActivity;

import android.content.SharedPreferences;
import android.preference.PreferenceManager;

public class FetchItemsOperation implements Operation {
  /**
   * 
   */
  private final FeedEntryMainActivity itemListActivity;
  protected String stringURL;
  private final String condition;
  private String login;

  public FetchItemsOperation(FeedEntryMainActivity itemListActivity) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(itemListActivity);
    this.condition = prefs.getString(SettingsActivity.TYPE, SettingsActivity.TYPE_DEFAULT);
    this.itemListActivity = itemListActivity;
  }

  @Override
  public String getRequestMethod() {
    return "GET";
  }

  @Override
  public URL createURL() throws MalformedURLException {
    String string = stringURL + "/items?" + condition;
    if (login != null) {
      if (!condition.isEmpty()) {
        string = string + "&";
      }
      string = string + login;
    }
    return new URL(string);
  }

  @Override
  public void setURL(String url) {
    this.stringURL = url;
  }

  @Override
  public void processResponse(InputStream in) throws JSONException, IOException {
    BufferedReader streamReader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
    StringBuilder responseStrBuilder = new StringBuilder();
    String inputStr;
    while ((inputStr = streamReader.readLine()) != null) {
      responseStrBuilder.append(inputStr);
    }

    JSONArray json = new JSONArray(responseStrBuilder.toString());
    itemListActivity.onEntriesFetched(json, isAppendEntries());
  }

  boolean isAppendEntries() {
    return false;
  }

  @Override
  public void writeOutput(HttpURLConnection con) throws IOException {
    // only used by POST request with a body

  }

  @Override
  public void setLogin(String login) {
    this.login = login;
  }

  @Override
  public int getOperationTitle() {
    return R.string.refresh_items;
  }

}

Java Source Code List