--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/platform/java/jni/treearchive.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,59 @@
+// Copyright (C) 2004-2025 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF 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 Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+/* TreeArchive interface */
+
+JNIEXPORT jlong JNICALL
+FUN(TreeArchive_newNativeTreeArchive)(JNIEnv *env, jobject self)
+{
+	fz_context *ctx = get_context(env);
+	fz_archive *arch = NULL;
+
+	if (!ctx) return 0;
+
+	fz_try(ctx)
+		arch = fz_new_tree_archive(ctx, NULL);
+	fz_catch(ctx)
+		jni_rethrow(env, ctx);
+
+	return jlong_cast(arch);
+}
+
+JNIEXPORT void JNICALL
+FUN(TreeArchive_add)(JNIEnv *env, jobject self, jstring jname, jobject jbuf)
+{
+	fz_context *ctx = get_context(env);
+	fz_archive *arch = from_Archive(env, self);
+	fz_buffer *buf = from_Buffer(env, jbuf);
+	const char *name = NULL;
+
+	if (!ctx || !arch) return;
+	if (!jname) jni_throw_arg_void(env, "name must not be null");
+	name = (*env)->GetStringUTFChars(env, jname, NULL);
+
+	fz_try(ctx)
+		fz_tree_archive_add_buffer(ctx, arch, name, buf);
+	fz_always(ctx)
+		(*env)->ReleaseStringUTFChars(env, jname, name);
+	fz_catch(ctx)
+		jni_rethrow_void(env, ctx);
+}