Android Open Source - saostar Timeline Item

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License

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

package net.azyobuzi.azyotter.saostar.timeline_data;
/*from   w  w  w.j  a  v  a  2 s .c o m*/
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import net.azyobuzi.azyotter.saostar.R;
import net.azyobuzi.azyotter.saostar.TwitterUriGenerator;
import net.azyobuzi.azyotter.saostar.activities.MainActivity;
import net.azyobuzi.azyotter.saostar.linq.Enumerable;
import net.azyobuzi.azyotter.saostar.services.FavoriteService;
import net.azyobuzi.azyotter.saostar.services.RetweetService;
import net.azyobuzi.azyotter.saostar.system.Action1;
import net.azyobuzi.azyotter.saostar.system.Func2;

import twitter4j.DirectMessage;
import twitter4j.Status;
import twitter4j.URLEntity;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;

public class TimelineItem {
  public TimelineItemId id;
  public Date createdAt;
  public String originalText;
  public String displayText; //Entities????????
  public String sourceName;
  public Uri sourceUrl;
  public UserInfo from;
  public UserInfo to;
  public long inReplyToStatusId;
  public TimelineItem retweeted;
  public TweetEntities entities;
  public boolean isHomeTweet; //???????????????????????????????????

  public final ArrayList<Action1<TimelineItem>> mergedHandler = new ArrayList<Action1<TimelineItem>>();
  private void raiseMerged() {
    for (Action1<TimelineItem> handler : mergedHandler) {
      handler.invoke(this);
    }
  }

  @Override
  public boolean equals(Object other) {
    if (other == null || !(other instanceof TimelineItem)) return false;
    return id.equals(((TimelineItem)other).id);
  }

  @Override
  public int hashCode() {
    return id.hashCode();
  }

  public static TimelineItem getDummyTweet() {
    TimelineItem re = new TimelineItem();
    re.id = new TimelineItemId(TimelineItemId.TYPE_TWEET, 0);
    re.createdAt = new Date();
    re.originalText = "dummy";
    re.displayText = re.originalText;
    re.sourceName = "web";
    re.sourceUrl = Uri.parse("http://twitter.com/");
    re.from = UserInfo.getDummyUser();
    return re;
  }

  public static TimelineItem create(Status source, boolean isHomeTweet) {
    TimelineItem re = new TimelineItem();
    re.id = new TimelineItemId(TimelineItemId.TYPE_TWEET, source.getId());
    re.createdAt = source.getCreatedAt();
    re.originalText = source.getText();
    re.displayText = createDisplayText(source);
    Matcher sourceMatcher = sourcePattern.matcher(source.getSource());
    if (sourceMatcher.find()) {
      re.sourceName = sourceMatcher.group(2);
      re.sourceUrl = Uri.parse(sourceMatcher.group(1));
    } else {
      re.sourceName = source.getSource();
      re.sourceUrl = Uri.parse("http://twitter.com/");
    }
    re.from = UserCollection.addOrMerge(source.getUser());
    re.inReplyToStatusId = source.getInReplyToStatusId();
    if (source.isRetweet())
      re.retweeted = TimelineItemCollection.addOrMerge(source.getRetweetedStatus(), false);
    re.entities = new TweetEntities(source);
    re.isHomeTweet = isHomeTweet;
    return re;
  }

  public void merge(Status source, boolean isHomeTweet) {
    id = new TimelineItemId(TimelineItemId.TYPE_TWEET, source.getId());
    createdAt = source.getCreatedAt();
    originalText = source.getText();
    displayText = createDisplayText(source);
    Matcher sourceMatcher = sourcePattern.matcher(source.getSource());
    if (sourceMatcher.find()) {
      sourceName = sourceMatcher.group(2);
      sourceUrl = Uri.parse(sourceMatcher.group(1));
    } else {
      sourceName = source.getSource();
      sourceUrl = Uri.parse("http://twitter.com/");
    }
    from = UserCollection.addOrMerge(source.getUser());
    inReplyToStatusId = source.getInReplyToStatusId();
    retweeted = TimelineItemCollection.addOrMerge(source.getRetweetedStatus(), false);
    entities = new TweetEntities(source);
    this.isHomeTweet = isHomeTweet ? true : this.isHomeTweet;
    raiseMerged();
  }

  private static String createDisplayText(final Status source) {
    final StringBuilder sb = new StringBuilder();
    ArrayList<URLEntity> entities = Enumerable.from(source.getURLEntities())
      .concat(Enumerable.from(source.getMediaEntities()))
      .toArrayList();
    Collections.sort(entities, new Comparator<URLEntity>() {
      @Override
      public int compare(URLEntity lhs, URLEntity rhs) {
        return ((Integer)lhs.getStart()).compareTo(rhs.getStart());
      }
    });
    int lastIndex = Enumerable.from(entities)
      .select(new Func2<URLEntity, Integer, Integer>() {
        private int index = 0;

        @Override
        public Integer invoke(URLEntity arg0, Integer arg1) {
          sb.append(source.getText().substring(index, arg0.getStart()));
          sb.append(arg0.getDisplayURL());
          index = arg0.getEnd();
          return index;
        }
      })
      .lastOrDefault(0);
    sb.append(source.getText().substring(lastIndex));
    return sb.toString();
  }

  private static Pattern sourcePattern = Pattern.compile("^<a href=\"(https?://[\\w\\d/%#$&?!()~_.=+-]+)\" rel=\"nofollow\">(.+)</a>$");

  public static TimelineItem create(DirectMessage source) {
    TimelineItem re = new TimelineItem();
    re.id = new TimelineItemId(TimelineItemId.TYPE_DIRECT_MESSAGE, source.getId());
    re.createdAt = source.getCreatedAt();
    re.originalText = source.getText();
    re.displayText = source.getText();
    re.from = UserCollection.addOrMerge(source.getSender());
    re.to = UserCollection.addOrMerge(source.getRecipient());
    return re;
  }

  public void merge(DirectMessage source) {
    id = new TimelineItemId(TimelineItemId.TYPE_DIRECT_MESSAGE, source.getId());
    createdAt = source.getCreatedAt();
    originalText = source.getText();
    displayText = source.getText();
    from = UserCollection.addOrMerge(source.getSender());
    to = UserCollection.addOrMerge(source.getRecipient());
    raiseMerged();
  }
  
  public boolean canReply() {
    return id.type == TimelineItemId.TYPE_TWEET; //TODO:DM??????????????
  }
  
  public void reply(Context ctx) {
    ctx.startActivity(
      new Intent(Intent.ACTION_VIEW)
        .setData(TwitterUriGenerator.tweetWebIntent("@" + from.screenName + " ", id.id))
        .putExtra(MainActivity.CALLED_FROM_AZYOTTER, true)
    );
  }
  
  public boolean canQuote() {
    return id.type == TimelineItemId.TYPE_TWEET && !from.isProtected;
  }
  
  public void quote(Context ctx) {
    ctx.startActivity(
      new Intent(Intent.ACTION_VIEW)
        .setData(TwitterUriGenerator.tweetWebIntent(
          " QT @" + from.screenName + ": " + originalText,
          id.id
        ))
        .putExtra(MainActivity.CALLED_FROM_AZYOTTER, true)
    );
  }

  public boolean canFavorite() {
    return id.type == TimelineItemId.TYPE_TWEET;
  }

  public void favorite(Context ctx) {
    ctx.startService(new Intent(ctx, FavoriteService.class)
      .putExtra(FavoriteService.STATUSES, String.valueOf(id.id)));
  }

  public boolean canRetweet() {
    return id.type == TimelineItemId.TYPE_TWEET && !from.isProtected;
  }

  public void retweet(Context ctx) {
    ctx.startService(new Intent(ctx, RetweetService.class)
      .putExtra(RetweetService.STATUSES, String.valueOf(id.id)));
  }
  
  public boolean canCook() {
    return id.type == TimelineItemId.TYPE_TWEET && !from.isProtected;
  }
  
  public void cook(Context ctx) {
    ctx.startActivity(
      new Intent(Intent.ACTION_VIEW)
        .setData(TwitterUriGenerator.tweetWebIntent(originalText, inReplyToStatusId))
        .putExtra(MainActivity.CALLED_FROM_AZYOTTER, true)
    );
  }
  
  public boolean canShare() {
    return id.type == TimelineItemId.TYPE_TWEET && !from.isProtected;
  }
  
  public void share(Context ctx) {
    StringBuilder sb = new StringBuilder();
    sb.append(originalText);
    sb.append("\n\n");
    sb.append(from.name);
    sb.append(" / @");
    sb.append(from.screenName);
    sb.append("\n\n");
    sb.append(DateFormat.getDateTimeInstance().format(createdAt));
    sb.append("\n\n");
    sb.append(TwitterUriGenerator.tweetPermalink(from.screenName, id.id));
    
    ctx.startActivity(Intent.createChooser(
      new Intent(Intent.ACTION_SEND)
        .setType("text/plain")
        .putExtra(Intent.EXTRA_TEXT, sb.toString())
        .putExtra(MainActivity.CALLED_FROM_AZYOTTER, true)
        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
      ctx.getText(R.string.share)
    ));
  }
}
Java Source Code List
