4 files changed, 58 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/common/error/DomainError.scala b/src/main/scala/xyz/driver/common/error/DomainError.scala
new file mode 100644
index 0000000..d277543
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/error/DomainError.scala
@@ -0,0 +1,31 @@
+package xyz.driver.common.error
+
+import xyz.driver.common.logging.{PhiString, Unsafe}
+import xyz.driver.common.utils.Utils
+
+trait DomainError {
+
+  protected def userMessage: String
+
+  def getMessage: String = userMessage
+
+}
+
+object DomainError {
+
+  // 404 error
+  trait NotFoundError extends DomainError
+
+  // 401 error
+  trait AuthenticationError extends DomainError
+
+  // 403 error
+  trait AuthorizationError extends DomainError
+
+  implicit def toPhiString(x: DomainError): PhiString = {
+    // userMessage possibly can contain a personal information,
+    // so we should prevent it to be printed in logs.
+    Unsafe(Utils.getClassSimpleName(x.getClass))
+  }
+
+}
diff --git a/src/main/scala/xyz/driver/common/error/ExceptionFormatter.scala b/src/main/scala/xyz/driver/common/error/ExceptionFormatter.scala
new file mode 100644
index 0000000..33dd94c
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/error/ExceptionFormatter.scala
@@ -0,0 +1,19 @@
+package xyz.driver.common.error
+
+import java.io.{ByteArrayOutputStream, PrintStream}
+
+object ExceptionFormatter {
+
+  def format(e: Throwable): String = s"$e\n${printStackTrace(e)}"
+
+  def printStackTrace(e: Throwable): String = {
+    val baos = new ByteArrayOutputStream()
+    val ps = new PrintStream(baos)
+
+    e.printStackTrace(ps)
+
+    ps.close()
+    baos.toString()
+  }
+
+}
diff --git a/src/main/scala/xyz/driver/common/error/FailedValidationException.scala b/src/main/scala/xyz/driver/common/error/FailedValidationException.scala
new file mode 100644
index 0000000..018ce58
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/error/FailedValidationException.scala
@@ -0,0 +1,5 @@
+package xyz.driver.common.error
+
+import xyz.driver.common.validation.ValidationError
+
+class FailedValidationException(val error: ValidationError) extends RuntimeException("The validation is failed")
diff --git a/src/main/scala/xyz/driver/common/error/IncorrectIdException.scala b/src/main/scala/xyz/driver/common/error/IncorrectIdException.scala
new file mode 100644
index 0000000..a91065c
--- /dev/null
+++ b/src/main/scala/xyz/driver/common/error/IncorrectIdException.scala
@@ -0,0 +1,3 @@
+package xyz.driver.common.error
+
+case class IncorrectIdException(message: String) extends Exception(message)