Schema validator plugin

pkg/plugin/definition/schemaValidator.go

@@ -0,0 +1,38 @@
+package definition
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// SchemaValError represents a single schema validation failure.
+type SchemaValError struct {
+	Path    string
+	Message string
+}
+
+// SchemaValidationErr represents a collection of schema validation failures.
+type SchemaValidationErr struct {
+	Errors []SchemaValError
+}
+
+// Validator interface for schema validation.
+type SchemaValidator interface {
+	Validate(ctx context.Context, url *url.URL, payload []byte) error
+}
+
+// ValidatorProvider interface for creating validators.
+type SchemaValidatorProvider interface {
+	New(ctx context.Context, config map[string]string) (SchemaValidator, func() error, error)
+}
+
+// Error implements the error interface for SchemaValidationErr.
+func (e *SchemaValidationErr) Error() string {
+	var errorMessages []string
+	for _, err := range e.Errors {
+		errorMessages = append(errorMessages, fmt.Sprintf("%s: %s", err.Path, err.Message))
+	}
+	return strings.Join(errorMessages, "; ")
+}