feat: update errorHandler to support the same classes as in Swift. (#236)

Author: didiergarcia

core/src/main/java/com/segment/analytics/kotlin/core/Errors.kt

@@ -1,6 +1,26 @@
 package com.segment.analytics.kotlin.core
 
 import com.segment.analytics.kotlin.core.platform.plugins.logger.segmentLog
+sealed class AnalyticsError(): Throwable() {
+    data class StorageUnableToCreate(override val message: String?): AnalyticsError()
+    data class StorageUnableToWrite(override val message: String?): AnalyticsError()
+    data class StorageUnableToRename(override val message: String?): AnalyticsError()
+    data class StorageUnableToOpen(override val message: String?): AnalyticsError()
+    data class StorageUnableToClose(override val message: String?): AnalyticsError()
+    data class StorageInvalid(override val message: String?): AnalyticsError()
+    data class StorageUnknown(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class NetworkUnexpectedHTTPCode(override val message: String?): AnalyticsError()
+    data class NetworkServerLimited(override val message: String?): AnalyticsError()
+    data class NetworkServerRejected(override val message: String?): AnalyticsError()
+    data class NetworkUnknown(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class NetworkInvalidData(override val message: String?): AnalyticsError()
+    data class JsonUnableToSerialize(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class JsonUnableToDeserialize(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class JsonUnknown(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class PluginError(override val message: String?, override val cause: Throwable?): AnalyticsError()
+    data class EnrichmentError(override val message: String?): AnalyticsError()
+    data class SettingsFetchError(override val message: String?, override val cause: Throwable?): AnalyticsError()
+}
 
 /**
  * Reports an internal error to the user-defined error handler.

core/src/main/java/com/segment/analytics/kotlin/core/Settings.kt

@@ -115,7 +115,7 @@ internal fun Analytics.fetchSettings(
     log("Fetched Settings: $settingsString")
     LenientJson.decodeFromString(settingsString)
 } catch (ex: Exception) {
-    reportErrorWithMetrics(this, ex, "Failed to fetch settings",
+    reportErrorWithMetrics(this, AnalyticsError.SettingsFetchError(ex.message, ex), "Failed to fetch settings",
         Telemetry.INVOKE_ERROR_METRIC, ex.stackTraceToString()) {
         it["error"] = ex.toString()
         it["writekey"] = writeKey