1 files changed, 73 insertions, 0 deletions
diff --git a/meshmc/launcher/java/JavaVersion.h b/meshmc/launcher/java/JavaVersion.h
new file mode 100644
index 0000000000..18ab256edb
--- /dev/null
+++ b/meshmc/launcher/java/JavaVersion.h
@@ -0,0 +1,73 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QString>
+
+// NOTE: apparently the GNU C library pollutes the global namespace with
+// these... undef them.
+#ifdef major
+#undef major
+#endif
+#ifdef minor
+#undef minor
+#endif
+
+class JavaVersion
+{
+	friend class JavaVersionTest;
+
+  public:
+	JavaVersion() {};
+	JavaVersion(const QString& rhs);
+
+	JavaVersion& operator=(const QString& rhs);
+
+	bool operator<(const JavaVersion& rhs) const;
+	bool operator==(const JavaVersion& rhs) const;
+	bool operator>(const JavaVersion& rhs) const;
+
+	bool requiresPermGen() const;
+
+	QString toString() const;
+
+	int major() const
+	{
+		return m_major;
+	}
+	int minor() const
+	{
+		return m_minor;
+	}
+	int security() const
+	{
+		return m_security;
+	}
+
+  private:
+	QString m_string;
+	int m_major = 0;
+	int m_minor = 0;
+	int m_security = 0;
+	bool m_parseable = false;
+	QString m_prerelease;
+};