MeteoriteDB

commit 106b1c340d04a687823ff8c919990cb43a85ee4e
parent f633744670e8b0bf64b80e642281933e6610084d
Author: William Lindholm <a22willi@student.his.se>
Date:   Wed,  3 May 2023 10:17:44 +0200

Added networking code.

Diffstat:
M
app/src/main/java/com/example/project_assignment/JsonTask.java
 | 
65
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--

1 file changed, 63 insertions(+), 2 deletions(-)
diff --git a/app/src/main/java/com/example/project_assignment/JsonTask.java b/app/src/main/java/com/example/project_assignment/JsonTask.java
@@ -1,5 +1,66 @@
-package com.example.project_assignment;
+package com.example.networking;
 
-public class JsonTask {
+import android.os.AsyncTask;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class JsonTask extends AsyncTask<String, String, String> {
+
+    public interface JsonTaskListener {
+        void onPostExecute(String json);
+    }
+
+    private HttpURLConnection connection = null;
+    private BufferedReader reader = null;
+    private final JsonTaskListener listener;
+
+    @SuppressWarnings("deprecation")
+    public JsonTask(JsonTaskListener listener) {
+        this.listener = listener;
+    }
+
+    protected String doInBackground(String... params) {
+        try {
+            URL url = new URL(params[0]);
+            connection = (HttpURLConnection) url.openConnection();
+            connection.connect();
+
+            InputStream stream = connection.getInputStream();
+            reader = new BufferedReader(new InputStreamReader(stream));
+
+            StringBuilder builder = new StringBuilder();
+            String line;
+            while ((line = reader.readLine()) != null && !isCancelled()) {
+                builder.append(line).append("\n");
+            }
+            return builder.toString();
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (connection != null) {
+                connection.disconnect();
+            }
+            try {
+                if (reader != null) {
+                    reader.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(String json) {
+        listener.onPostExecute(json);
+    }
 }