1 files changed, 20 insertions, 0 deletions
diff --git a/src/corelib/serialization/qjsondocument.cpp b/src/corelib/serialization/qjsondocument.cpp
index 0cd86d3ded..179a87c699 100644
--- a/src/corelib/serialization/qjsondocument.cpp
+++ b/src/corelib/serialization/qjsondocument.cpp
@@ -47,6 +47,7 @@
 #include "qjsonwriter_p.h"
 #include "qjsonparser_p.h"
 #include "qjson_p.h"
+#include "qdatastream.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -657,4 +658,23 @@ QDebug operator<<(QDebug dbg, const QJsonDocument &o)
 }
 #endif
 
+#ifndef QT_NO_DATASTREAM
+QDataStream &operator<<(QDataStream &stream, const QJsonDocument &doc)
+{
+    stream << doc.toJson(QJsonDocument::Compact);
+    return stream;
+}
+
+QDataStream &operator>>(QDataStream &stream, QJsonDocument &doc)
+{
+    QByteArray buffer;
+    stream >> buffer;
+    QJsonParseError parseError{};
+    doc = QJsonDocument::fromJson(buffer, &parseError);
+    if (parseError.error && !buffer.isEmpty())
+        stream.setStatus(QDataStream::ReadCorruptData);
+    return stream;
+}
+#endif
+
 QT_END_NAMESPACE