Added Android code

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

diff --git a/Android/folioreader/src/main/java/com/folioreader/ui/base/DictionaryTask.java b/Android/folioreader/src/main/java/com/folioreader/ui/base/DictionaryTask.java
new file mode 100755 (executable)
index 0000000..12e5e5a
--- /dev/null
+++ b/Android/folioreader/src/main/java/com/folioreader/ui/base/DictionaryTask.java
@@ -0,0 +1,65 @@
+package com.folioreader.ui.base;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.folioreader.model.dictionary.Dictionary;
+import com.folioreader.util.AppUtil;
+
+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 DictionaryTask extends AsyncTask<String, Void, Dictionary> {
+
+    private static final String TAG = "DictionaryTask";
+
+    private DictionaryCallBack callBack;
+
+    public DictionaryTask(DictionaryCallBack callBack) {
+        this.callBack = callBack;
+    }
+
+    @Override
+    protected Dictionary 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);
+            }
+
+            ObjectMapper objectMapper = new ObjectMapper();
+            objectMapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
+            return objectMapper.readValue(stringBuilder.toString(), Dictionary.class);
+        } catch (IOException e) {
+            Log.e(TAG, "DictionaryTask failed", e);
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Dictionary dictionary) {
+        super.onPostExecute(dictionary);
+        if (dictionary != null) {
+            callBack.onDictionaryDataReceived(dictionary);
+        } else {
+            callBack.onError();
+        }
+        cancel(true);
+    }
+}