Remove JWT data class

* Code formatting
* Static code analysis

android/app/src/main/java/de/hft/geotracker/GeofenceBroadcastReceiver.kt

@@ -4,12 +4,10 @@ import android.content.BroadcastReceiver
 import android.content.ContentValues.TAG
 import android.content.Context
 import android.content.Intent
-import android.content.SharedPreferences
 import android.util.Log
 import com.google.android.gms.location.Geofence
 import com.google.android.gms.location.GeofenceStatusCodes
 import com.google.android.gms.location.GeofencingEvent
-import de.hft.geotracker.activities.MainActivity
 
 class GeofenceBroadcastReceiver : BroadcastReceiver() {
 
@@ -22,38 +20,39 @@ class GeofenceBroadcastReceiver : BroadcastReceiver() {
             return
         }
 
-        // Get the transition type.
-        val geofenceTransition = geofencingEvent.geofenceTransition
-
         // Test that the reported transition was of interest.
-        if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER) {
+        when (val geofenceTransition = geofencingEvent.geofenceTransition) {
+            Geofence.GEOFENCE_TRANSITION_ENTER -> {
                 context!!.getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
                     ?.edit()
                     ?.putBoolean("ENABLED", true)
                     ?.apply()
 
-            // Get the geofences that were triggered. A single event can trigger
-            // multiple geofences.
+                // Get the geofences that were triggered. A single event can trigger multiple geofences.
                 val triggeringGeofences = geofencingEvent.triggeringGeofences
                 // Get the transition details as a String.
-            val geofenceTransitionDetails = "Transition: $geofenceTransition\nTriggering Geofences: $triggeringGeofences"
+                val geofenceTransitionDetails = "Transition: $geofenceTransition" +
+                        "\nTriggering Geofences: $triggeringGeofences"
                 println("Success Transition: ")
                 Log.i(TAG, geofenceTransitionDetails)
-        } else if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT) {
+            }
+            Geofence.GEOFENCE_TRANSITION_EXIT -> {
                 context!!.getSharedPreferences("LOCATION", Context.MODE_PRIVATE)
                     ?.edit()
                     ?.putBoolean("ENABLED", false)
                     ?.apply()
 
                 val triggeringGeofences = geofencingEvent.triggeringGeofences
-            val geofenceTransitionDetails = "Transition: $geofenceTransition\nTriggering Geofences: $triggeringGeofences"
+                val geofenceTransitionDetails =
+                    "Transition: $geofenceTransition\nTriggering Geofences: $triggeringGeofences"
                 println("Success Transition: ")
                 Log.i(TAG, geofenceTransitionDetails)
-        } else {
-            // Log the error.
+            }
+            else -> {
                 println("Error Transition: ")
                 Log.e(TAG, geofenceTransition.toString())
             }
         }
+    }
 
 }

android/app/src/main/java/de/hft/geotracker/activities/Login.kt

@@ -5,14 +5,13 @@ import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
-import de.hft.geotracker.*
-import de.hft.geotracker.data.JWToken
+import androidx.fragment.app.Fragment
+import de.hft.geotracker.R
 import de.hft.geotracker.retrofit.GeofenceService
 import de.hft.geotracker.retrofit.ValuesUserLogin
 import retrofit2.Call
@@ -25,18 +24,19 @@ import retrofit2.converter.gson.GsonConverterFactory
  * A simple [Fragment] subclass.
  */
 class Login : AppCompatActivity() {
-    lateinit var login : TextView
-    lateinit var reg : TextView
-    lateinit var service : GeofenceService
-    lateinit var token : JWToken
+    lateinit var login: TextView
+    lateinit var reg: TextView
+    lateinit var service: GeofenceService
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_login)
 
-        if (ContextCompat.checkSelfPermission(this,
+        if (ContextCompat.checkSelfPermission(
+                this,
                 Manifest.permission.ACCESS_BACKGROUND_LOCATION
-            ) != PackageManager.PERMISSION_GRANTED) {
+            ) != PackageManager.PERMISSION_GRANTED
+        ) {
             ActivityCompat.requestPermissions(
                 this,
                 arrayOf(Manifest.permission.ACCESS_BACKGROUND_LOCATION),
@@ -72,30 +72,25 @@ class Login  : AppCompatActivity() {
     private fun login() {
         val name = findViewById<TextView>(R.id.setting_input_username).text.toString()
         val pswd = findViewById<TextView>(R.id.input_password).text.toString()
-        var call= service.login(
-            ValuesUserLogin(
-                name,
-                pswd
-            )
-        )
+        val call = service.login(ValuesUserLogin(name, pswd))
 
         call.enqueue(object : Callback<Void> {
             override fun onResponse(call: Call<Void>?, response: Response<Void>?) {
-                if(response != null && response.isSuccessful) {
-                    var headers = response.headers()
-                    var authentication = headers.get("Authorization")
+                if (response != null && response.isSuccessful) {
+                    val headers = response.headers()
+                    val authentication = headers.get("Authorization")
 
                     openFileOutput("JWToken", Context.MODE_PRIVATE).use {
                         it.write(authentication!!.toByteArray())
                     }
-                    token = JWToken(authentication!!)
+
                     println(response.code())
-                    println(token.token)
                     startActivity(intent)
                 } else {
                     if (response != null) {
                         println(response.code())
-                        Toast.makeText(this@Login, "Wrong Username or Password!", Toast.LENGTH_LONG).show()
+                        Toast.makeText(this@Login, "Wrong Username or Password!", Toast.LENGTH_LONG)
+                            .show()
                     } else {
                         println("Response is null")
                     }

android/app/src/main/java/de/hft/geotracker/activities/MainActivity.kt

@@ -1,24 +1,19 @@
 package de.hft.geotracker.activities
 
-import android.Manifest.permission.ACCESS_FINE_LOCATION
 import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageManager
-import android.location.Location
 import android.os.Bundle
-import android.os.Looper
-import android.view.MenuItem
 import android.widget.ArrayAdapter
 import android.widget.Spinner
 import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.app.ActivityCompat
-import androidx.core.app.ActivityCompat.requestPermissions
-import com.google.android.gms.location.*
+import com.google.android.gms.location.Geofence
+import com.google.android.gms.location.GeofencingClient
+import com.google.android.gms.location.GeofencingRequest
+import com.google.android.gms.location.LocationServices
 import de.hft.geotracker.GeofenceBroadcastReceiver
 import de.hft.geotracker.R
-import de.hft.geotracker.data.JWToken
 import de.hft.geotracker.retrofit.AuthenticationInterceptor
 import de.hft.geotracker.retrofit.GeofenceService
 import de.hft.geotracker.retrofit.ValuesUser
@@ -31,8 +26,6 @@ import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
 import java.io.BufferedReader
 import java.io.InputStreamReader
-import java.lang.StringBuilder
-import kotlin.properties.Delegates
 
 
 class MainActivity : AppCompatActivity() {
@@ -40,7 +33,7 @@ class MainActivity : AppCompatActivity() {
     lateinit var geofence: Geofence
     lateinit var actionButton: TextView
     var running = false
-    lateinit var service : GeofenceService
+    lateinit var service: GeofenceService
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -85,18 +78,18 @@ class MainActivity : AppCompatActivity() {
         }
 
         //JWToken lesen
-        var fis = openFileInput("JWToken")
-        var isr = InputStreamReader(fis)
+        val fis = openFileInput("JWToken")
+        val isr = InputStreamReader(fis)
         val bufferedReader = BufferedReader(isr)
         val stringBuilder = StringBuilder()
-        var text : String? = null
-        while ({text = bufferedReader.readLine(); text} () != null) {
+        var text: String? = null
+        while ({ text = bufferedReader.readLine(); text }() != null) {
             stringBuilder.append(text)
         }
         val token = stringBuilder.toString()
         println("Token Main: " + token)
         //Retrofit declaration
-        var httpClient = OkHttpClient.Builder()
+        val httpClient = OkHttpClient.Builder()
         val interceptor = AuthenticationInterceptor(token)
         httpClient.addInterceptor(interceptor)
         val builder = Retrofit.Builder()
@@ -128,7 +121,7 @@ class MainActivity : AppCompatActivity() {
         my_toolbar.setOnMenuItemClickListener { menuItem ->
             when (menuItem.itemId) {
                 R.id.settings -> {
-                    var intent = Intent(this, Settings::class.java)
+                    val intent = Intent(this, Settings::class.java)
                     startActivity(intent)
                     println("Settings pressed")
                     true
@@ -153,7 +146,7 @@ class MainActivity : AppCompatActivity() {
         val call = service.getUser()
         call.enqueue(object : Callback<ValuesUser> {
             override fun onResponse(call: Call<ValuesUser>, response: Response<ValuesUser>) {
-                if(response.isSuccessful) {
+                if (response.isSuccessful) {
                     val firstname = response.body()?.firstname
                     lbl_username.text = firstname
                     println("Body: " + firstname)
@@ -161,10 +154,11 @@ class MainActivity : AppCompatActivity() {
                     println("Response not successful: ${response.code()}")
                 }
             }
+
             override fun onFailure(call: Call<ValuesUser>, t: Throwable) {
                 println("Response 'whoami' failed")
             }
-        } )
+        })
     }
 
     private fun getGeofencingRequest(): GeofencingRequest {

android/app/src/main/java/de/hft/geotracker/activities/Register.kt

@@ -1,13 +1,13 @@
 package de.hft.geotracker.activities
 
 import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 import de.hft.geotracker.R
 
 class Register : AppCompatActivity() {
-    lateinit var reg : TextView
+    lateinit var reg: TextView
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_register)
@@ -18,8 +18,7 @@ class Register : AppCompatActivity() {
     }
 
     private fun createAccount() {
-        var intent = Intent(this, MainActivity::class.java)
-        startActivity(intent)
+        startActivity(Intent(this, MainActivity::class.java))
     }
 
 

android/app/src/main/java/de/hft/geotracker/activities/Settings.kt

@@ -2,7 +2,6 @@ package de.hft.geotracker.activities
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import androidx.preference.PreferenceFragmentCompat
 import de.hft.geotracker.R
 import kotlinx.android.synthetic.main.activity_home.*
 

android/app/src/main/java/de/hft/geotracker/data/JWToken.kt

@@ -1,7 +0,0 @@
-package de.hft.geotracker.data
-
-data class JWToken (var token : String) {
-    public fun getJWToken() : String {
-        return token
-    }
-}

android/app/src/main/java/de/hft/geotracker/retrofit/AuthenticationInterceptor.kt

@@ -1,18 +1,14 @@
 package de.hft.geotracker.retrofit
 
-import de.hft.geotracker.data.JWToken
 import okhttp3.Interceptor
 import okhttp3.Response
-import java.io.BufferedReader
-import java.io.InputStreamReader
-import java.lang.StringBuilder
 
-class AuthenticationInterceptor(pToken : String) : Interceptor {
-    val token = pToken
+class AuthenticationInterceptor(pToken: String) : Interceptor {
+    private val token = pToken
 
     override fun intercept(chain: Interceptor.Chain): Response {
-        var original = chain.request()
-        var builder = original.newBuilder()
+        val original = chain.request()
+        val builder = original.newBuilder()
             .header("Authorization", token)
         val request = builder.build()
         return chain.proceed(request)

android/app/src/main/java/de/hft/geotracker/retrofit/GeofenceService.kt

@@ -1,12 +1,14 @@
 package de.hft.geotracker.retrofit
 
 import retrofit2.Call
-import retrofit2.http.*
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.POST
 
 interface GeofenceService {
     @POST("/login")
-    fun login(@Body login_data : ValuesUserLogin) : Call<Void>
+    fun login(@Body login_data: ValuesUserLogin): Call<Void>
 
     @GET("whoami")
-    fun getUser() : Call<ValuesUser>
+    fun getUser(): Call<ValuesUser>
 }

android/app/src/main/java/de/hft/geotracker/retrofit/ValuesUser.kt

@@ -2,24 +2,30 @@ package de.hft.geotracker.retrofit
 
 import com.google.gson.annotations.SerializedName
 
-class ValuesUser (
-    role : String,
-    firstname : String,
-    lastname : String,
-    username : String,
-    location : String,
-    id : kotlin.Int) {
+class ValuesUser(
+    role: String,
+    firstname: String,
+    lastname: String,
+    username: String,
+    location: String,
+    id: Int
+) {
 
     @SerializedName("role")
     var role = role
+
     @SerializedName("firstname")
     var firstname = firstname
+
     @SerializedName("lastname")
     var lastname = lastname
+
     @SerializedName("username")
     var username = username
+
     @SerializedName("location")
     var location = location
+
     @SerializedName("id")
     var id = id
 

android/app/src/main/java/de/hft/geotracker/retrofit/ValuesUserLogin.kt

@@ -2,10 +2,11 @@ package de.hft.geotracker.retrofit
 
 import com.google.gson.annotations.SerializedName
 
-class ValuesUserLogin (name : String, pswd : String) {
+class ValuesUserLogin(name: String, pswd: String) {
 
     @SerializedName("username")
     var username = name
+
     @SerializedName("password")
     var password = pswd