add builtin httpserver component

component/builtin/httpserver.go

@@ -0,0 +1,54 @@
+package builtin
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gopherd/core/component"
+)
+
+// HTTPServerComponent is the interface that wraps the Handle method.
+type HTTPServerComponent interface {
+	Handle(path string, handler http.Handler)
+}
+
+const HTTPServerComponentName = "github.com/gopherd/core/component/httpserver"
+
+func init() {
+	// Register the HTTPServerComponent implementation.
+	component.Register(HTTPServerComponentName, func() component.Component {
+		return new(httpServerComponent)
+	})
+}
+
+// Ensure httpServerComponent implements HTTPServerComponent interface.
+var _ HTTPServerComponent = (*httpServerComponent)(nil)
+
+type httpServerComponent struct {
+	component.BaseComponent[struct {
+		Addr            string
+		DefaultServeMux bool
+	}]
+	mux    *http.ServeMux
+	server *http.Server
+}
+
+func (com *httpServerComponent) Start(ctx context.Context) error {
+	if com.Options().DefaultServeMux {
+		com.mux = http.DefaultServeMux
+	} else {
+		com.mux = http.NewServeMux()
+	}
+	com.server = &http.Server{Addr: com.Options().Addr, Handler: com.mux}
+	go com.server.ListenAndServe()
+	return nil
+}
+
+func (com *httpServerComponent) Shutdown(ctx context.Context) error {
+	return com.server.Shutdown(ctx)
+}
+
+// Handle implements the HTTPServerComponent interface.
+func (com *httpServerComponent) Handle(path string, handler http.Handler) {
+	com.mux.Handle(path, handler)
+}