--- /dev/null
+<?php
+
+namespace JsonSchema\Uri\Retrievers;
+
+use JsonSchema\Validator;
+
+/**
+ * URI retrieved based on a predefined array of schemas
+ *
+ * @example
+ *
+ * $retriever = new PredefinedArray(array(
+ * 'http://acme.com/schemas/person#' => '{ ... }',
+ * 'http://acme.com/schemas/address#' => '{ ... }',
+ * ))
+ *
+ * $schema = $retriever->retrieve('http://acme.com/schemas/person#');
+ */
+class PredefinedArray extends AbstractRetriever
+{
+ /**
+ * Contains schemas as URI => JSON
+ *
+ * @var array
+ */
+ private $schemas;
+
+ /**
+ * Constructor
+ *
+ * @param array $schemas
+ * @param string $contentType
+ */
+ public function __construct(array $schemas, $contentType = Validator::SCHEMA_MEDIA_TYPE)
+ {
+ $this->schemas = $schemas;
+ $this->contentType = $contentType;
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @see \JsonSchema\Uri\Retrievers\UriRetrieverInterface::retrieve()
+ */
+ public function retrieve($uri)
+ {
+ if (!array_key_exists($uri, $this->schemas)) {
+ throw new \JsonSchema\Exception\ResourceNotFoundException(sprintf(
+ 'The JSON schema "%s" was not found.',
+ $uri
+ ));
+ }
+
+ return $this->schemas[$uri];
+ }
+}