1 files changed, 70 insertions, 0 deletions
diff --git a/app/src/main/java/moe/yuuta/workmode/update/UpdateChecker.kt b/app/src/main/java/moe/yuuta/workmode/update/UpdateChecker.kt
new file mode 100644
index 0000000..e88ab80
--- /dev/null
+++ b/app/src/main/java/moe/yuuta/workmode/update/UpdateChecker.kt
@@ -0,0 +1,70 @@
+package moe.yuuta.workmode.update
+
+import com.elvishew.xlog.XLog
+import moe.yuuta.workmode.BuildConfig
+import moe.yuuta.workmode.async.Runnable
+import org.json.JSONObject
+import java.io.BufferedReader
+import java.io.InputStreamReader
+import java.net.HttpURLConnection
+import java.net.URL
+
+
+class UpdateChecker : Runnable<Update> {
+    private val logger = XLog.tag("UpdateChecker").build()
+    override fun run(): Update {
+        logger.d("Start checking")
+        var httpURLConnection: HttpURLConnection? = null
+        try {
+            val url = URL("https://raw.githubusercontent.com/Trumeet/_priv/master/update/${BuildConfig.APPLICATION_ID}.json")
+            httpURLConnection = url.openConnection() as HttpURLConnection
+            httpURLConnection.requestMethod = "GET"
+            httpURLConnection.connect()
+
+            val inputStream = httpURLConnection.inputStream
+            val buffer = StringBuffer()
+
+            if (inputStream == null) {
+                throw IllegalStateException("Str is null.")
+            }
+            val reader = BufferedReader(InputStreamReader(inputStream))
+
+            var line: String?
+            while (true) {
+                line = reader.readLine()
+                if (line == null) break
+                buffer.append(line + "\n")
+            }
+
+            if (buffer.isEmpty()) {
+                throw IllegalStateException("Buffer is empty")
+            }
+
+            val response = buffer.toString()
+
+            logger.i("Response: ${httpURLConnection.responseCode} (${httpURLConnection.responseMessage}), data: $response")
+
+            val json = JSONObject(response)
+            return Update(json.getInt("version"),
+                    json.getString("name"),
+                    json.getString("alt_url"),
+                    json.getBoolean("alt_url_enable"),
+                    json.getBoolean("alt_url_force"))
+        } catch (e: Exception) {
+            logger.e("Unable to check", e)
+            throw e
+        } finally {
+            // this is done so that there are no open connections left when this task is going to complete
+            if (httpURLConnection != null)
+                httpURLConnection.disconnect()
+        }
+    }
+}
+
+data class Update(
+        val version: Int,
+        val name: String,
+        val altUrl: String,
+        val altUrlEnabled: Boolean,
+        val altUrlForce: Boolean
+)
+\ No newline at end of file