From 569ca3956a773d814de10f72a9c1f7b487ba8e0a Mon Sep 17 00:00:00 2001
From: Sergei Morozov <morozov@tut.by>
Date: Tue, 23 Jun 2020 18:12:58 -0700
Subject: [PATCH] Rework deprecated IBMDB2 exceptions

---
 .../DBAL/Driver/IBMDB2/DB2Statement.php       |  9 ++++++---
 .../Exception/CannotCopyStreamToStream.php    | 20 +++++++++++++++++++
 .../Exception/CannotCreateTemporaryFile.php   | 20 +++++++++++++++++++
 .../Exception/CannotWriteToTemporaryFile.php  | 20 +++++++++++++++++++
 4 files changed, 66 insertions(+), 3 deletions(-)
 create mode 100644 lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php
 create mode 100644 lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCreateTemporaryFile.php
 create mode 100644 lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotWriteToTemporaryFile.php

diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
index d65e04c91e0..71954994e53 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
@@ -3,6 +3,9 @@
 namespace Doctrine\DBAL\Driver\IBMDB2;
 
 use Doctrine\DBAL\Driver\FetchUtils;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\CannotCopyStreamToStream;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\CannotCreateTemporaryFile;
+use Doctrine\DBAL\Driver\IBMDB2\Exception\CannotWriteToTemporaryFile;
 use Doctrine\DBAL\Driver\IBMDB2\Exception\StatementError;
 use Doctrine\DBAL\Driver\Result;
 use Doctrine\DBAL\Driver\Statement as StatementInterface;
@@ -522,7 +525,7 @@ private function createTemporaryFile()
         $handle = @tmpfile();
 
         if ($handle === false) {
-            throw new DB2Exception('Could not create temporary file: ' . error_get_last()['message']);
+            throw CannotCreateTemporaryFile::new(error_get_last()['message']);
         }
 
         return $handle;
@@ -537,7 +540,7 @@ private function createTemporaryFile()
     private function copyStreamToStream($source, $target): void
     {
         if (@stream_copy_to_stream($source, $target) === false) {
-            throw new DB2Exception('Could not copy source stream to temporary file: ' . error_get_last()['message']);
+            throw CannotCopyStreamToStream::new(error_get_last()['message']);
         }
     }
 
@@ -549,7 +552,7 @@ private function copyStreamToStream($source, $target): void
     private function writeStringToStream(string $string, $target): void
     {
         if (@fwrite($target, $string) === false) {
-            throw new DB2Exception('Could not write string to temporary file: ' . error_get_last()['message']);
+            throw CannotWriteToTemporaryFile::new(error_get_last()['message']);
         }
     }
 }
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php
new file mode 100644
index 00000000000..8223a92d660
--- /dev/null
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\IBMDB2\Exception;
+
+use Doctrine\DBAL\Driver\IBMDB2\DB2Exception;
+
+/**
+ * @internal
+ *
+ * @psalm-immutable
+ */
+final class CannotCopyStreamToStream extends DB2Exception
+{
+    public static function new(string $message): self
+    {
+        return new self('Could not copy source stream to temporary file: ' . $message);
+    }
+}
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCreateTemporaryFile.php b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCreateTemporaryFile.php
new file mode 100644
index 00000000000..48b28dd33d3
--- /dev/null
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCreateTemporaryFile.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\IBMDB2\Exception;
+
+use Doctrine\DBAL\Driver\IBMDB2\DB2Exception;
+
+/**
+ * @internal
+ *
+ * @psalm-immutable
+ */
+final class CannotCreateTemporaryFile extends DB2Exception
+{
+    public static function new(string $message): self
+    {
+        return new self('Could not create temporary file: ' . $message);
+    }
+}
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotWriteToTemporaryFile.php b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotWriteToTemporaryFile.php
new file mode 100644
index 00000000000..8acc269a4ad
--- /dev/null
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotWriteToTemporaryFile.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\IBMDB2\Exception;
+
+use Doctrine\DBAL\Driver\IBMDB2\DB2Exception;
+
+/**
+ * @internal
+ *
+ * @psalm-immutable
+ */
+final class CannotWriteToTemporaryFile extends DB2Exception
+{
+    public static function new(string $message): self
+    {
+        return new self('Could not write string to temporary file: ' . $message);
+    }
+}