1 files changed, 55 insertions, 0 deletions
diff --git a/library/Director/Exception/JsonException.php b/library/Director/Exception/JsonException.php
new file mode 100644
index 0000000..dad848d
--- /dev/null
+++ b/library/Director/Exception/JsonException.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Icinga\Module\Director\Exception;
+
+use Icinga\Exception\IcingaException;
+
+class JsonException extends IcingaException
+{
+    public static function forLastJsonError($msg = null)
+    {
+        if ($msg === null) {
+            return new static(static::getJsonErrorMessage(\json_last_error()));
+        } else {
+            return new static($msg . ': ' . static::getJsonErrorMessage(\json_last_error()));
+        }
+    }
+
+    public static function getJsonErrorMessage($code)
+    {
+        $map = [
+            JSON_ERROR_DEPTH          => 'The maximum stack depth has been exceeded',
+            JSON_ERROR_CTRL_CHAR      => 'Control character error, possibly incorrectly encoded',
+            JSON_ERROR_STATE_MISMATCH => 'Invalid or malformed JSON',
+            JSON_ERROR_SYNTAX         => 'JSON Syntax error',
+            JSON_ERROR_UTF8           => 'Malformed UTF-8 characters, possibly incorrectly encoded'
+        ];
+        if (\array_key_exists($code, $map)) {
+            return $map[$code];
+        }
+
+        if (PHP_VERSION_ID >= 50500) {
+            $map = [
+                JSON_ERROR_RECURSION => 'One or more recursive references in the value to be encoded',
+                JSON_ERROR_INF_OR_NAN => 'One or more NAN or INF values in the value to be encoded',
+                JSON_ERROR_UNSUPPORTED_TYPE => 'A value of a type that cannot be encoded was given',
+            ];
+            if (\array_key_exists($code, $map)) {
+                return $map[$code];
+            }
+        }
+
+        if (PHP_VERSION_ID >= 70000) {
+            $map = [
+                JSON_ERROR_INVALID_PROPERTY_NAME => 'A property name that cannot be encoded was given',
+                JSON_ERROR_UTF16 => 'Malformed UTF-16 characters, possibly incorrectly encoded',
+            ];
+
+            if (\array_key_exists($code, $map)) {
+                return $map[$code];
+            }
+        }
+
+        return 'An error occured when parsing a JSON string';
+    }
+}