Adding the interceptor and errors

Author: jeancsanchez

errorinterceptor/build.gradle

@@ -19,8 +19,9 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation("com.squareup.okhttp3:okhttp:3.14.0")
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
 }

errorinterceptor/src/androidTest/java/br/org/inec/resterrorinteceptor/ExampleInstrumentedTest.kt

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="br.org.inec.resterrorinteceptor">
+          package="br.com.jeancsanchez.restinterceptor">
 
     <application android:allowBackup="true"
                  android:label="@string/app_name"

errorinterceptor/src/main/AndroidManifest.xml

@@ -0,0 +1,32 @@
+package br.com.jeancsanchez.restinterceptor
+
+import br.com.jeancsanchez.restinterceptor.errors.*
+import okhttp3.Interceptor
+import okhttp3.Response
+
+/**
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 04/04/19.
+ * Jesus is alive!
+ */
+
+class RestErrorInterceptor : Interceptor {
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        val response = chain.proceed(request)
+
+        when (response.code()) {
+            400 -> throw BadRequest
+            401 -> throw Unauthorized
+            403 -> throw Forbidden
+            404 -> throw NotFound
+            405 -> throw MethodNotAllowed
+            500 -> throw InternalServerError
+            502 -> throw BadGateway
+            503 -> throw ServiceUnavailable
+        }
+
+        return response
+    }
+}

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/ErrorInterceptor.kt

@@ -0,0 +1,12 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * The server, while acting as a gateway or proxy, received an invalid response from the upstream
+ * server it accessed in attempting to fulfill the request.
+ * <a href="https://www.restapitutorial.com/httpstatuscodes.html">restapitutorial.com <a/>
+ *
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 16/01/19.
+ * Jesus is alive!
+ */
+object BadGateway : Error(502, "Bad Gateway")

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/errors/BadGateway.kt

@@ -0,0 +1,12 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * The request could not be understood by the server due to malformed syntax.
+ * The client SHOULD NOT repeat the request without modifications.
+ * <a href="https://www.restapitutorial.com/httpstatuscodes.html">restapitutorial.com <a/>
+ *
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 16/01/19.
+ * Jesus is alive!
+ */
+object BadRequest : Error(400, "Bad Request")

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/errors/BadRequest.kt

@@ -0,0 +1,8 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 04/04/19.
+ * Jesus is alive!
+ */
+open class Error(code: Int, msg: String) : Throwable("$code: $msg")

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/errors/Error.kt

@@ -0,0 +1,12 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * The server understood the request, but is refusing to fulfill it. Authorization will not help
+ * and the request SHOULD NOT be repeated.
+ * <a href="https://www.restapitutorial.com/httpstatuscodes.html">restapitutorial.com <a/>
+ *
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 16/01/19.
+ * Jesus is alive!
+ */
+object Forbidden : Error(403, "Forbidden")

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/errors/Forbidden.kt

@@ -0,0 +1,11 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * The server encountered an unexpected condition which prevented it from fulfilling the request.
+ * <a href="https://www.restapitutorial.com/httpstatuscodes.html">restapitutorial.com <a/>
+ *
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 16/01/19.
+ * Jesus is alive!
+ */
+object InternalServerError : Error(500, "Internal Server Error")

errorinterceptor/src/main/java/br/com/jeancsanchez/restinterceptor/errors/InternalServerError.kt

@@ -0,0 +1,12 @@
+package br.com.jeancsanchez.restinterceptor.errors
+
+/**
+ * The method specified in the Request-Line is not allowed for the resource identified by the Request-URI.
+ * The response MUST include an Allow header containing a list of valid methods for the requested resource.
+ * <a href="https://www.restapitutorial.com/httpstatuscodes.html">restapitutorial.com <a/>
+ *
+ * @author Jean Carlos (Github: @jeancsanchez)
+ * @date 16/01/19.
+ * Jesus is alive!
+ */
+object MethodNotAllowed : Error(405, "Method Not Allowed")