Java tutorial
/********************************************************************************** * Copyright 2015 Tom Praschan * <p/> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ********************************************************************************/ package de.tap.easy_xkcd.utils; import android.content.Context; import android.preference.PreferenceManager; import android.util.Log; import com.tap.xkcd_reader.R; import org.json.JSONException; import org.json.JSONObject; import java.io.IOException; import java.util.Arrays; public class Comic { private String[] comicData; private String jsonUrl; protected int comicNumber; private JSONObject json; public Comic(Integer number, Context context) throws IOException { if (number != 0) { jsonUrl = "https://xkcd.com/" + number.toString() + "/info.0.json"; } else { jsonUrl = "https://xkcd.com/info.0.json"; } try { comicData = loadComicData(jsonUrl); } catch (JSONException e) { e.printStackTrace(); } if (context != null) { if (Arrays.binarySearch(context.getResources().getIntArray(R.array.interactive_comics), comicNumber) >= 0) { //Check for interactive comic comicData[0] = comicData[0] + " " + context.getResources().getString(R.string.title_interactive); } int i = Arrays.binarySearch(context.getResources().getIntArray(R.array.large_comics), comicNumber); if (i >= 0 && PreferenceManager.getDefaultSharedPreferences(context).getBoolean("pref_large", true)) { //Check for large comic comicData[2] = context.getResources().getStringArray(R.array.large_comics_urls)[i]; } } } public Comic(Integer number) throws IOException { if (number != 0) { jsonUrl = "https://xkcd.com/" + number.toString() + "/info.0.json"; } else { jsonUrl = "https://xkcd.com/info.0.json"; } try { comicData = loadComicData(jsonUrl); } catch (JSONException e) { e.printStackTrace(); } } public Comic() { } private String[] loadComicData(String url) throws IOException, JSONException { json = JsonParser.getJSONFromUrl(url); String[] result = new String[3]; if (json != null) { result[0] = new String(json.getString("title").getBytes("ISO-8859-1"), "UTF-8"); result[1] = new String(json.getString("alt").getBytes("ISO-8859-1"), "UTF-8"); result[2] = json.getString("img"); comicNumber = Integer.parseInt(json.getString("num")); } else if (comicNumber == 404) { //xkcd.com/404 doesn't have a json object result[0] = "404"; result[1] = "404"; result[2] = "http://i.imgur.com/p0eKxKs.png"; comicNumber = 404; } else throw new IOException("json not found"); // some image fixes switch (comicNumber) { case 1037: result[2] = "http://www.explainxkcd.com/wiki/images/f/ff/umwelt_the_void.jpg"; break; case 1608: result[2] = "http://www.explainxkcd.com/wiki/images/4/41/hoverboard.png"; break; case 1350: result[2] = "http://www.explainxkcd.com/wiki/images/3/3d/lorenz.png"; break; case 104: result[2] = "http://i.imgur.com/dnCNfPo.jpg"; break; case 76: result[2] = "http://i.imgur.com/h3fi2RV.jpg"; break; case 80: result[2] = "http://i.imgur.com/lWmI1lB.jpg"; break; case 1663: result[2] = "http://explainxkcd.com/wiki/images/c/ce/garden.png"; break; case 1193: result[2] = "https://www.explainxkcd.com/wiki/images/0/0b/externalities.png"; break; case 1054: result[0] = "The Bacon"; break; case 1137: result[0] = "RTL"; break; } return result; } public String getTranscript() { try { return json.getString("transcript"); } catch (JSONException e) { return " "; } } public String[] getComicData() { return comicData; } public int getComicNumber() { return comicNumber; } }