Fix NEWT DisplayImpl.createPointerIcon: Pass through Exceptions, as required by API doc.

1 files changed, 24 insertions, 10 deletions

diff --git a/src/newt/classes/jogamp/newt/DisplayImpl.java b/src/newt/classes/jogamp/newt/DisplayImpl.java
index c1cd6db32..61a39c133 100644
--- a/src/newt/classes/jogamp/newt/DisplayImpl.java
+++ b/src/newt/classes/jogamp/newt/DisplayImpl.java
@@ -118,6 +118,8 @@ public abstract class DisplayImpl extends Display {
             return null;
         }
         final PointerIconImpl[] res = { null };
+        final Exception[] ex = { null };
+        final String exStr = "Could not resolve "+pngResource.resourcePaths[0];
         runOnEDTIfAvail(true, new Runnable() {
             public void run() {
                 try {
@@ -126,7 +128,7 @@ public abstract class DisplayImpl extends Display {
                     }
                     final URLConnection urlConn = pngResource.resolve(0);
                     if( null == urlConn ) {
-                        throw new IOException("Could not resolve "+pngResource.resourcePaths[0]);
+                        throw new IOException(exStr);
                     }
                     final PNGPixelRect image = PNGPixelRect.read(urlConn.getInputStream(),
                                                                  getNativePointerIconPixelFormat(),
@@ -138,20 +140,32 @@ public abstract class DisplayImpl extends Display {
                     if( DEBUG_POINTER_ICON ) {
                         System.err.println("createPointerIconPNG.0: "+image+", handle: "+toHexString(handle)+", hot "+hotspot);
                     }
-                    if( 0 != handle ) {
-                        res[0] = new PointerIconImpl(DisplayImpl.this, image, hotspot, handle);
-                        if( DEBUG_POINTER_ICON ) {
-                            System.err.println("createPointerIconPNG.0: "+res[0]);
-                        }
+                    if( 0 == handle ) {
+                        throw new IOException(exStr);
+                    }
+                    res[0] = new PointerIconImpl(DisplayImpl.this, image, hotspot, handle);
+                    if( DEBUG_POINTER_ICON ) {
+                        System.err.println("createPointerIconPNG.0: "+res[0]);
                     }
                 } catch (final Exception e) {
-                    e.printStackTrace();
+                    ex[0] = e;
                 }
             } } );
-        if( null != res[0] ) {
-            synchronized(pointerIconList) {
-                pointerIconList.add(res[0]);
+        if( null != ex[0] ) {
+            final Exception e = ex[0];
+            if( e instanceof IllegalArgumentException) {
+                throw new IllegalArgumentException(e);
+            }
+            if( e instanceof IllegalStateException) {
+                throw new IllegalStateException(e);
             }
+            throw new IOException(e);
+        }
+        if( null == res[0] ) {
+            throw new IOException(exStr);
+        }
+        synchronized(pointerIconList) {
+            pointerIconList.add(res[0]);
         }
         return res[0];
     }