Description: Fixes the compatibility with Java 9
Author: Emmanuel Bourg <ebourg@apache.org>
Forwarded: no
--- a/build.xml
+++ b/build.xml
@@ -52,6 +52,7 @@
 
     <javac destdir="${build.dir}"
            classpath="${classpath};"
+           encoding="ISO-8859-1"
            debug="on" deprecation="off" optimize="on" includeantruntime="false">
         <src path="${src.dir}"/>
            <include name="com/vldocking/**"/>
@@ -127,4 +128,4 @@
   </target>
 </project>
 
-<!-- End of build.xml -->
\ No newline at end of file
+<!-- End of build.xml -->
--- a/src/main/java/com/vlsolutions/swing/docking/DockingUtilities.java
+++ b/src/main/java/com/vlsolutions/swing/docking/DockingUtilities.java
@@ -19,7 +19,6 @@
 package com.vlsolutions.swing.docking;
 
 import java.awt.*;
-import java.awt.peer.LightweightPeer;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -291,9 +290,7 @@
 	public static boolean isHeavyWeightComponent(Component comp) {
 		if(comp instanceof Container) {
 			// short cut
-			@SuppressWarnings("deprecation")
-			Object peer = comp.getPeer();
-			if(! (peer == null || peer instanceof LightweightPeer)) {
+			if (comp.isDisplayable() && !comp.isLightweight()){
 				// it's not a lightweight
 				return true;
 			} else {
@@ -308,9 +305,7 @@
 				return false;
 			}
 		} else {
-			@SuppressWarnings("deprecation")
-			Object peer = comp.getPeer();
-			return ! (peer == null || peer instanceof LightweightPeer);
+			return comp.isDisplayable() && !comp.isLightweight();
 		}
 	}