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-rw-r--r--library/Director/Data/DataArrayHelper.php48
1 files changed, 48 insertions, 0 deletions
diff --git a/library/Director/Data/DataArrayHelper.php b/library/Director/Data/DataArrayHelper.php
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index 0000000..442eb0f
--- /dev/null
+++ b/library/Director/Data/DataArrayHelper.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Icinga\Module\Director\Data;
+
+use InvalidArgumentException;
+use function array_diff;
+use function array_key_exists;
+use function implode;
+use function is_array;
+use function is_object;
+
+class DataArrayHelper
+{
+ public static function wantArray($value)
+ {
+ if (is_object($value)) {
+ return (array) $value;
+ }
+ if (! is_array($value)) {
+ throw new InvalidDataException('Object', $value);
+ }
+
+ return $value;
+ }
+
+ public static function failOnUnknownProperties(array $values, array $knownProperties)
+ {
+ $unknownProperties = array_diff($knownProperties, array_keys($values));
+
+ if (! empty($unknownProperties)) {
+ throw new InvalidArgumentException('Unexpected properties: ' . implode(', ', $unknownProperties));
+ }
+ }
+
+ public static function requireProperties(array $value, array $properties)
+ {
+ $missing = [];
+ foreach ($properties as $property) {
+ if (! array_key_exists($property, $value)) {
+ $missing[] = $property;
+ }
+ }
+
+ if (! empty($missing)) {
+ throw new InvalidArgumentException('Missing properties: ' . implode(', ', $missing));
+ }
+ }
+}