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package com.mizo0203.timeline.talker;
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import com.mizo0203.timeline.talker.util.DisplayNameUtil;
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import com.mizo0203.timeline.talker.util.UrlUtil;
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import org.jetbrains.annotations.NotNull;
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import twitter4j.*;
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import twitter4j.conf.Configuration;
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import java.util.Collections;
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import java.util.Locale;
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import java.util.Timer;
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import java.util.TimerTask;
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import java.util.concurrent.TimeUnit;
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public class TwitterTimelineTalker implements TimelineTalker {
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/** ISO 639 言語コード - 日本語 (ja) */
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private static final String LANG_JA = Locale.JAPAN.getLanguage();
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@NotNull private final RequestHomeTimelineTimerTask mRequestHomeTimelineTimerTask;
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public TwitterTimelineTalker(@NotNull Configuration configuration, Talker talker) {
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Twitter twitter = new TwitterFactory(configuration).getInstance();
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mRequestHomeTimelineTimerTask = new RequestHomeTimelineTimerTask(twitter, talker);
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}
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@Override
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public void start() {
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new Timer().schedule(mRequestHomeTimelineTimerTask, 0L, TimeUnit.MINUTES.toMillis(1));
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}
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private static class RequestHomeTimelineTimerTask extends TimerTask {
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private static final int HOME_TIMELINE_COUNT_MAX = 200;
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private static final int HOME_TIMELINE_COUNT_MIN = 1;
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private final Twitter mTwitter;
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private final Talker mTalker;
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/** mStatusSinceId より大きい(つまり、より新しい) ID を持つ HomeTimeline をリクエストする */
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private long mStatusSinceId = 1L;
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private boolean mIsUpdatedStatusSinceId = false;
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private RequestHomeTimelineTimerTask(Twitter twitter, Talker talker) {
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mTwitter = twitter;
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mTalker = talker;
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}
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/** The action to be performed by this timer task. */
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@Override
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public void run() {
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try {
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// mStatusSinceId が未更新ならば、 Status を 1 つだけ取得する
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int count = mIsUpdatedStatusSinceId ? HOME_TIMELINE_COUNT_MAX : HOME_TIMELINE_COUNT_MIN;
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Paging paging = new Paging(1, count, mStatusSinceId);
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ResponseList<Status> statusResponseList = mTwitter.getHomeTimeline(paging);
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if (statusResponseList.isEmpty()) {
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return;
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}
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// mStatusSinceId を、取得した最新の ID に更新する
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mStatusSinceId = statusResponseList.get(0).getId();
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mIsUpdatedStatusSinceId = true;
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// Status が古い順になるよう、 statusResponseList を逆順に並び替える
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Collections.reverse(statusResponseList);
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for (Status status : statusResponseList) {
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onStatus(status);
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}
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} catch (TwitterException e) {
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e.printStackTrace();
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}
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}
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private void onStatus(final Status status) {
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if (!LANG_JA.equalsIgnoreCase(status.getLang())) {
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return;
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}
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final StringBuffer buffer = new StringBuffer();
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if (status.isRetweet()) {
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Status retweetedStatus = status.getRetweetedStatus();
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buffer
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.append(DisplayNameUtil.removeContext(status.getUser().getName()))
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.append("さんがリツイート。");
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buffer
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.append(DisplayNameUtil.removeContext(retweetedStatus.getUser().getName()))
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.append("さんから、");
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buffer.append(retweetedStatus.getText());
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} else {
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buffer.append(DisplayNameUtil.removeContext(status.getUser().getName())).append("さんから、");
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buffer.append(status.getText());
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}
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mTalker.talkAlternatelyAsync(UrlUtil.convURLEmpty(buffer).replaceAll("\n", "。"));
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}
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}
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}
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