#64036 - Replace reflection calls in factories for Java 9+

use ServiceLoader for HSLF Metro Shapes

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1894298 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 33 insertions, 0 deletions

diff --git a/poi/src/main/java/org/apache/poi/sl/usermodel/MetroShapeProvider.java b/poi/src/main/java/org/apache/poi/sl/usermodel/MetroShapeProvider.java
new file mode 100644
index 0000000000..e89a14df56
--- /dev/null
+++ b/poi/src/main/java/org/apache/poi/sl/usermodel/MetroShapeProvider.java
@@ -0,0 +1,31 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.sl.usermodel;
+
+import java.io.IOException;
+
+import org.apache.poi.util.Internal;
+
+/**
+ * Experimental provider / loader for metro shapes.
+ * Metro shapes are xslf fragments stored in hslf shapes.
+ */
+@Internal
+public interface MetroShapeProvider {
+    Shape<?,?> parseShape(byte[] metroBytes) throws IOException;
+}
diff --git a/poi/src/test/java9/module-info.class b/poi/src/test/java9/module-info.class
index 028b943d0a..438e778ab5 100644
--- a/poi/src/test/java9/module-info.class
+++ b/poi/src/test/java9/module-info.class
diff --git a/poi/src/test/java9/module-info.java b/poi/src/test/java9/module-info.java
index 58ac2220c5..7b9cf162cf 100644
--- a/poi/src/test/java9/module-info.java
+++ b/poi/src/test/java9/module-info.java
@@ -24,6 +24,8 @@ module org.apache.poi.poi {
     requires java.logging;
     requires java.desktop;
 
+    uses org.apache.poi.sl.usermodel.MetroShapeProvider;
+
     /* needed for CleanerUtil */
     requires jdk.unsupported;