CommentLoaderTask.java

package org.hwbot.opengl.tasks;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Map;

import org.hwbot.api.generic.dto.JsonpApiResponse;
import org.hwbot.opengl.MainActivity;
import org.hwbot.opengl.R;
import org.hwbot.opengl.util.AndroidUtil;
import org.hwbot.prime.service.BenchService;

import android.content.Context;
import android.os.AsyncTask;
import android.text.Html;
import android.util.Log;
import android.view.Gravity;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.google.gson.Gson;

public class CommentLoaderTask extends AsyncTask<Void, Void, Void> {

    private LinearLayout commentBox;
    private String tag;

    public CommentLoaderTask(LinearLayout commentBox, String tag) {
        this.commentBox = commentBox;
        this.tag = tag;
    }

    // @Override
    protected Void doInBackground(Void... params) {
        BufferedReader in = null;
        try {
            URL commentsApiUrl = new URL(BenchService.SERVER + "/external/v3?type=comments&target=android¶ms=" + tag);
            in = new BufferedReader(new InputStreamReader(commentsApiUrl.openStream()));
            // Log.i(this.getClass().getSimpleName(), "Loading comments from url: " + commentsApiUrl);
            final JsonpApiResponse response = new Gson().fromJson(in, JsonpApiResponse.class);

            if (response != null) {
                MainActivity.getActivity().runOnUiThread(new Runnable() {
                    public void run() {
                        Context context = commentBox.getContext();
                        commentBox.removeAllViews();
                        List<Object> list = response.getList();
                        // Log.i(this.getClass().getSimpleName(), "Loaded " + list.size() + " comments.");
                        int row = 1;
                        if (list.size() == 0) {
                            TextView noComments = new TextView(context);
                            noComments.setText(R.string.no_comments);
                            LinearLayout.LayoutParams authorLayout = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
                                    LinearLayout.LayoutParams.WRAP_CONTENT);
                            authorLayout.topMargin = AndroidUtil.dpToPx(20);
                            authorLayout.bottomMargin = AndroidUtil.dpToPx(20);
                            authorLayout.gravity = Gravity.CENTER;
                            noComments.setLayoutParams(authorLayout);
                            noComments.setGravity(Gravity.CENTER);
                            commentBox.addView(noComments);
                        }

                        for (Object object : list) {
                            @SuppressWarnings("unchecked")
                            Map<String, String> comment = (Map<String, String>) object;
                            // Log.i(this.getClass().getSimpleName(), comment.toString());
                            RelativeLayout linearLayout = new RelativeLayout(context);
                            RelativeLayout.LayoutParams authorLayout = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
                                    LinearLayout.LayoutParams.WRAP_CONTENT);
                            RelativeLayout.LayoutParams contentLayout = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
                                    LinearLayout.LayoutParams.WRAP_CONTENT);
                            RelativeLayout.LayoutParams timeAgoLayout = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
                                    LinearLayout.LayoutParams.WRAP_CONTENT);
                            RelativeLayout.LayoutParams recordLayout = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
                                    LinearLayout.LayoutParams.MATCH_PARENT);

                            linearLayout.setBackgroundResource(R.drawable.container_comment);
                            linearLayout.setLayoutParams(recordLayout);

                            TextView author = new TextView(context);
                            author.setText(Html.fromHtml("<b>" + comment.get("author") + ":</b>"));
                            authorLayout.topMargin = AndroidUtil.dpToPx(5);
                            authorLayout.leftMargin = AndroidUtil.dpToPx(10);
                            authorLayout.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
                            author.setLayoutParams(authorLayout);
                            author.setId(71 * row);

                            TextView content = new TextView(context);
                            content.setText(comment.get("content"));
                            contentLayout.leftMargin = AndroidUtil.dpToPx(30);
                            contentLayout.topMargin = AndroidUtil.dpToPx(5);
                            contentLayout.bottomMargin = AndroidUtil.dpToPx(10);
                            contentLayout.addRule(RelativeLayout.BELOW, author.getId());
                            content.setLayoutParams(contentLayout);

                            TextView timeAgo = new TextView(context);
                            timeAgo.setText(Html.fromHtml("<i>" + comment.get("timeAgo") + "</i>"));
                            timeAgoLayout.topMargin = AndroidUtil.dpToPx(8);
                            timeAgoLayout.rightMargin = AndroidUtil.dpToPx(5);
                            timeAgoLayout.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
                            timeAgo.setTextSize(10f);
                            timeAgo.setLayoutParams(timeAgoLayout);

                            linearLayout.addView(author);
                            linearLayout.addView(content);
                            linearLayout.addView(timeAgo);

                            commentBox.addView(linearLayout);
                            row++;
                        }
                    }
                });
            }

        } catch (UnknownHostException e) {
            Log.w(this.getClass().getSimpleName(), "No network access: " + e.getMessage());
        } catch (Exception e) {
            Log.e(this.getClass().getSimpleName(), "Error: " + e.getMessage());
            e.printStackTrace();
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }

}