Added Android code

[wl-app.git] / Android / folioreader / src / main / java / com / folioreader / ui / base / WikipediaTask.java

diff --git a/Android/folioreader/src/main/java/com/folioreader/ui/base/WikipediaTask.java b/Android/folioreader/src/main/java/com/folioreader/ui/base/WikipediaTask.java
new file mode 100755 (executable)
index 0000000..67b7180
--- /dev/null
+++ b/Android/folioreader/src/main/java/com/folioreader/ui/base/WikipediaTask.java
@@ -0,0 +1,87 @@
+package com.folioreader.ui.base;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import com.folioreader.model.dictionary.Wikipedia;
+import com.folioreader.util.AppUtil;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.URLConnection;
+
+/**
+ * @author gautam chibde on 4/7/17.
+ */
+
+public class WikipediaTask extends AsyncTask<String, Void, Wikipedia> {
+
+    private static final String TAG = "WikipediaTask";
+
+    private WikipediaCallBack callBack;
+
+    public WikipediaTask(WikipediaCallBack callBack) {
+        this.callBack = callBack;
+    }
+
+    @Override
+    protected Wikipedia doInBackground(String... strings) {
+        String strUrl = strings[0];
+        try {
+            URL url = new URL(strUrl);
+            URLConnection urlConnection = url.openConnection();
+            InputStream inputStream = urlConnection.getInputStream();
+            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, AppUtil.charsetNameForURLConnection(urlConnection)));
+            StringBuilder stringBuilder = new StringBuilder();
+            String line;
+            while ((line = bufferedReader.readLine()) != null) {
+                stringBuilder.append(line);
+            }
+
+            try {
+                JSONArray array = new JSONArray(stringBuilder.toString());
+
+                if (array.length() == 4) {
+                    try {
+                        Wikipedia wikipedia = new Wikipedia();
+                        wikipedia.setWord(array.get(0).toString());
+                        JSONArray defs = (JSONArray) array.get(2);
+                        wikipedia.setDefinition(defs.get(0).toString());
+                        JSONArray links = (JSONArray) array.get(3);
+                        wikipedia.setLink(links.get(0).toString());
+                        return wikipedia;
+                    } catch (Exception e) {
+                        Log.e(TAG, "WikipediaTask failed", e);
+                        return null;
+                    }
+
+                } else {
+                    return null;
+                }
+            } catch (JSONException e) {
+                Log.e(TAG, "WikipediaTask failed", e);
+                return null;
+            }
+        } catch (IOException e) {
+            Log.e(TAG, "WikipediaTask failed", e);
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Wikipedia wikipedia) {
+        super.onPostExecute(wikipedia);
+        if (wikipedia != null) {
+            callBack.onWikipediaDataReceived(wikipedia);
+        } else {
+            callBack.onError();
+        }
+        cancel(true);
+    }
+}