Add a method to detect if the JVM is OpenJDK

ctrueden · ctrueden · commit d7aaf0a6cfe7 · 2015-11-19T16:43:38.000-06:00
diff --git a/src/main/java/org/scijava/plugins/scripting/javascript/JavaScriptScriptLanguage.java b/src/main/java/org/scijava/plugins/scripting/javascript/JavaScriptScriptLanguage.java
@@ -79,6 +79,12 @@ public boolean isRhino() {
 		return getEngineName().contains("Rhino");
 	}
 
+	/** Returns true iff the JVM appears to be the OpenJDK version of Java. */
+	public boolean isOpenJDK() {
+		final String vmName = System.getProperty("java.vm.name");
+		return vmName != null && vmName.startsWith("OpenJDK");
+	}
+
 	// -- ScriptEngineFactory methods --
 
 	@Override
