Joli\Jane\Reference\Resolver::resolveSchema PHP Method

    protected function resolveSchema(Reference $reference, $currentSchema)
    {
        if ($reference->isInCurrentDocument() && $reference->hasFragment()) {
            return $currentSchema;
        }
        if ($reference->isRelative() && !$currentSchema->getId()) {
            throw new UnsupportedException(sprintf("Reference is relative and no id found in current schema, cannot resolve reference %s", $reference->getReference()));
        }
        // Build url
        $schemaUrl = sprintf('%s://%s:%s', $reference->getScheme() ?: 'http', $reference->getHost(), $reference->getPort() ?: '80');
        if ($reference->isRelative()) {
            $parsedUrl = parse_url($currentSchema->getId());
            $schemaUrl = sprintf('%s://%s:%s', $parsedUrl['scheme'] ?: 'http', $parsedUrl['host'], $parsedUrl['port'] ?: '80');
        }
        if ($reference->getPath()) {
            $schemaUrl = sprintf("%s/%s", $schemaUrl, $reference->getPath());
        }
        if ($reference->getQuery()) {
            $schemaUrl = sprintf("%s?%s", $schemaUrl, $reference->getQuery());
        }
        if (!isset($this->schemaCache[$schemaUrl])) {
            $schema = $this->serializer->deserialize($this->getJsonSchemaContent($schemaUrl), 'Joli\\Jane\\Model\\JsonSchema', 'json');
            $this->schemaCache[$schemaUrl] = $schema;
        }
        return $this->schemaCache[$schemaUrl];
    }