Android Open Source - MyTwitter-Android Twitter

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License

The source code is released under:
Apache License
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Java Source Code

package org.fukata.android.mytw.twitter;
//from w w w. j a  va  2 s.  c  om
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
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.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;
import org.fukata.android.exandroid.util.StringUtil;
import org.fukata.android.mytw.TimelineItem;
import org.fukata.android.mytw.twitter.rs.Status;
import org.fukata.android.mytw.twitter.rs.User;
import org.fukata.android.mytw.util.SettingUtil;

import android.util.Log;

import com.thoughtworks.xstream.XStream;


public class Twitter {
  static final String CHARSET = "UTF-8";
  private Runnable preProcess;
  private Runnable postProcess;
  
  public Twitter() {
  }

  /**
   * ???????????????????????????????????????
   * @param preProcess ??????
   * @param postProcess ?????
   */
  public Twitter(Runnable preProcess, Runnable postProcess) {
    this.preProcess = preProcess;
    this.postProcess = postProcess;
  }

  private String getApiPrefix() {
    String url = SettingUtil.getApiServerUrl();
    if (StringUtil.isNotBlank(url) && url.endsWith("/")) {
      url = url.substring(0, url.length()-1);
    }
    return url;
  }

  private void pre() {
    if (this.preProcess == null) return;
    new Thread(this.preProcess).start();
  }

  private void post() {
    if (this.postProcess == null) return;
    new Thread(this.postProcess).start();
  }

  // ===============================================================
  // statuses/home_timeline
  // ===============================================================
  
  public List<TimelineItem> getHomeTimeline() {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    return loadHomeTimeline(params);
  }
  
  public List<TimelineItem> getMoreHomeTimeline(String maxId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("max_id", maxId));
    return loadHomeTimeline(params);
  }
  
  public List<TimelineItem> getNewHomeTimeline(String sinceId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("since_id", sinceId));
    return loadHomeTimeline(params);
  }
  
  private List<TimelineItem> loadHomeTimeline(List<NameValuePair> parameters) {
    parameters.add(new BasicNameValuePair("count", String.valueOf(SettingUtil.getTimelineCount())));
    
    HttpParams params = new BasicHttpParams();
    List<TimelineItem> list = new ArrayList<TimelineItem>();
    DefaultHttpClient client = new DefaultHttpClient(params);
    StringBuilder url = new StringBuilder(getApiPrefix()+"/statuses/home_timeline/");
    if (parameters!=null && parameters.size()>0) {
      URLEncodedUtils.format(parameters, CHARSET);
      for (int i=0; i<parameters.size(); i++) {
        NameValuePair param = parameters.get(i);
        if (i==0) {
          url.append("?");
        } else {
          url.append("&");
        }
        url.append(param.getName()+"="+param.getValue());
      }
    }
    HttpGet method = new HttpGet(url.toString());
    String xml = null;
    try {
      pre();
      HttpResponse response = client.execute(method);
      xml = EntityUtils.toString(response.getEntity(), CHARSET);
      XStream xStream = new XStream();
      xStream.alias("xml", ArrayList.class);
      xStream.alias("item", Status.class);
      xStream.alias("user", User.class);
      @SuppressWarnings("unchecked")
      List<Status> statuses = (List<Status>) xStream.fromXML(xml);
      for (Status status : statuses) {
        TimelineItem item = new TimelineItem();
        item.setStatusId(status.getId());
        item.setStatus(status.getText());
        item.setUsername(status.getUser().getScreenname());
        item.setUserId(status.getUser().getId());
        item.setSource(status.getSource());
        item.setInReplytoStatusId(status.getInreplytostatusid());
        item.setCreatedAt( new Date(status.getCreatedat()) );
        list.add(item);
      }
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
    } finally {
      post();
    }
    
    return list;
  } 
  
  public TimelineItem show(String statusId) {
    List<TimelineItem> list = new ArrayList<TimelineItem>();
    DefaultHttpClient client = new DefaultHttpClient();
    String url = getApiPrefix()+"/statuses/show?id=" + statusId;
    HttpGet method = new HttpGet(url);
    String xml = null;
    try {
      pre();
      HttpResponse response = client.execute(method);
      xml = EntityUtils.toString(response.getEntity(), CHARSET);
      XStream xStream = new XStream(); //initialize.
      xStream.alias("xml", Status.class);
      xStream.alias("user", User.class);
      Status status = (Status) xStream.fromXML(xml);
      TimelineItem item = new TimelineItem();
      item.setStatusId(status.getId());
      item.setStatus(status.getText());
      item.setUsername(status.getUser().getScreenname());
      item.setUserId(status.getUser().getId());
      item.setSource(status.getSource());
      item.setInReplytoStatusId(status.getInreplytostatusid());
      item.setCreatedAt( new Date(status.getCreatedat()) );
      list.add(item);
      return item;
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
    } finally {
      post();
    }
    return null;
  } 

  // ===============================================================
  // statuses/mentions
  // ===============================================================

  public List<TimelineItem> getMentions() {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    return loadMentions(params);
  }
  
  public List<TimelineItem> getMoreMentions(String maxId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("max_id", maxId));
    return loadMentions(params);
  }
  
  public List<TimelineItem> getNewMentions(String sinceId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("since_id", sinceId));
    return loadMentions(params);
  }
  
  private List<TimelineItem> loadMentions(List<NameValuePair> parameters) {
    parameters.add(new BasicNameValuePair("count", String.valueOf(SettingUtil.getTimelineCount())));
    
    HttpParams params = new BasicHttpParams();
    List<TimelineItem> list = new ArrayList<TimelineItem>();
    DefaultHttpClient client = new DefaultHttpClient(params);
    StringBuilder url = new StringBuilder(getApiPrefix()+"/statuses/mentions/");
    if (parameters!=null && parameters.size()>0) {
      URLEncodedUtils.format(parameters, CHARSET);
      for (int i=0; i<parameters.size(); i++) {
        NameValuePair param = parameters.get(i);
        if (i==0) {
          url.append("?");
        } else {
          url.append("&");
        }
        url.append(param.getName()+"="+param.getValue());
      }
    }
    HttpGet method = new HttpGet(url.toString());
    String xml = null;
    try {
      pre();
      HttpResponse response = client.execute(method);
      xml = EntityUtils.toString(response.getEntity(), CHARSET);
      XStream xStream = new XStream();
      xStream.alias("xml", ArrayList.class);
      xStream.alias("item", Status.class);
      xStream.alias("user", User.class);
      @SuppressWarnings("unchecked")
      List<Status> statuses = (List<Status>) xStream.fromXML(xml);
      for (Status status : statuses) {
        TimelineItem item = new TimelineItem();
        item.setStatusId(status.getId());
        item.setStatus(status.getText());
        item.setUsername(status.getUser().getScreenname());
        item.setUserId(status.getUser().getId());
        item.setSource(status.getSource());
        item.setInReplytoStatusId(status.getInreplytostatusid());
        item.setCreatedAt( new Date(status.getCreatedat()) );
        list.add(item);
      }
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
    } finally {
      post();
    }
    
    return list;
  }
  
  // ===============================================================
  // direst_messages
  // ===============================================================
  
  public List<TimelineItem> getDirectMessages() {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    return loadDirectMessages(params);
  }
  
  public List<TimelineItem> getMoreDirectMessages(String maxId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("max_id", maxId));
    return loadDirectMessages(params);
  }
  
  public List<TimelineItem> getNewDirectMessages(String sinceId) {
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("since_id", sinceId));
    return loadDirectMessages(params);
  }
  
  private List<TimelineItem> loadDirectMessages(List<NameValuePair> parameters) {
    parameters.add(new BasicNameValuePair("count", String.valueOf(SettingUtil.getTimelineCount())));
    HttpParams params = new BasicHttpParams();
    List<TimelineItem> list = new ArrayList<TimelineItem>();
    DefaultHttpClient client = new DefaultHttpClient(params);
    StringBuilder url = new StringBuilder(getApiPrefix()+"/direct_messages/");
    if (parameters!=null && parameters.size()>0) {
      URLEncodedUtils.format(parameters, CHARSET);
      for (int i=0; i<parameters.size(); i++) {
        NameValuePair param = parameters.get(i);
        if (i==0) {
          url.append("?");
        } else {
          url.append("&");
        }
        url.append(param.getName()+"="+param.getValue());
      }
    }
    HttpGet method = new HttpGet(url.toString());
    String xml = null;
    try {
      pre();
      HttpResponse response = client.execute(method);
      xml = EntityUtils.toString(response.getEntity(), CHARSET);
      XStream xStream = new XStream();
      xStream.alias("xml", ArrayList.class);
      xStream.alias("item", Status.class);
      xStream.alias("user", User.class);
      @SuppressWarnings("unchecked")
      List<Status> statuses = (List<Status>) xStream.fromXML(xml);
      for (Status status : statuses) {
        TimelineItem item = new TimelineItem();
        item.setStatusId(status.getId());
        item.setStatus(status.getText());
        item.setUsername(status.getSenderscreenname());
        item.setUserId(status.getSenderid());
        item.setSource(status.getSource());
        item.setInReplytoStatusId(status.getInreplytostatusid());
        item.setCreatedAt( new Date(status.getCreatedat()) );
        list.add(item);
      }
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
    } finally {
      post();
    }
    
    return list;
  }

  private boolean updateBase(String apiPath, HashMap<String, String> map) {
    HttpParams params = new BasicHttpParams();
    DefaultHttpClient client = new DefaultHttpClient(params);
    HttpPost method = new HttpPost(getApiPrefix() + apiPath);
    try {
      pre();
      List<NameValuePair> parameters = new ArrayList<NameValuePair>();
      for (String key : map.keySet()) {
        parameters.add(new BasicNameValuePair(key, map.get(key)));        
      }
      UrlEncodedFormEntity entity = new UrlEncodedFormEntity(parameters, CHARSET);
      method.setEntity(entity);
      HttpResponse response = client.execute(method);
      return response.getStatusLine().getStatusCode() == HttpStatus.SC_OK;
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
      return false;
    } finally {
      post();
    }
  }

  public boolean updateStatus(String status) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("status", status);
    return updateBase("/statuses/update/", map);
  }
  
  public boolean postReTweet(String statusId) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("id", statusId);
    return updateBase("/statuses/retweet/", map);
  }
  
  public boolean deleteDirectMessage(String statusId) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("id", statusId);
    return updateBase("/direct_messages/destroy/", map);
  }

  public boolean postFavorites(String statusId) {
    HashMap<String, String> map = new HashMap<String, String>();
    map.put("id", statusId);
    return updateBase("/favorites/create/", map);
  }
  
  // ===============================================================
  // users
  // ===============================================================
  public User getUser() {
    HttpParams params = new BasicHttpParams();
    DefaultHttpClient client = new DefaultHttpClient(params);
    StringBuilder url = new StringBuilder(getApiPrefix()+"/users/show/");
    HttpGet method = new HttpGet(url.toString());
    String xml = null;
    
    User user = null;
    try {
      pre();
      HttpResponse response = client.execute(method);
      xml = EntityUtils.toString(response.getEntity(), CHARSET);
      XStream xStream = new XStream();
      xStream.alias("xml", User.class);
      user = (User) xStream.fromXML(xml);
    } catch (Exception e) {
      Log.e(getClass().getSimpleName(), e.getMessage());
    } finally {
      post();
    }
    
    return user;
  }

}
Java Source Code List
