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desruisseaux pushed a commit to branch geoapi-4.0
in repository https://gitbox.apache.org/repos/asf/sis.git


The following commit(s) were added to refs/heads/geoapi-4.0 by this push:
     new 1a3bcee  Fix a NullPointerException.
1a3bcee is described below

commit 1a3bceee5f3db4ffc38f8e55e1fbe0ab4a1a5bcd
Author: Martin Desruisseaux <martin.desruisseaux@geomatys.com>
AuthorDate: Mon Apr 20 18:22:51 2020 +0200

    Fix a NullPointerException.
---
 .../java/org/apache/sis/gui/referencing/CRSChooser.java   | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/application/sis-javafx/src/main/java/org/apache/sis/gui/referencing/CRSChooser.java b/application/sis-javafx/src/main/java/org/apache/sis/gui/referencing/CRSChooser.java
index f2c427d..603722b 100644
--- a/application/sis-javafx/src/main/java/org/apache/sis/gui/referencing/CRSChooser.java
+++ b/application/sis-javafx/src/main/java/org/apache/sis/gui/referencing/CRSChooser.java
@@ -300,6 +300,10 @@ public class CRSChooser extends Dialog<CoordinateReferenceSystem> {
      * the {@link #type} and {@link #domain} fields with CRS information.
      */
     private void updateSummary(final Code selected) {
+        if (selected == null) {
+            clearSummary();
+            return;
+        }
         final AuthorityCodes source = getAuthorityCodes();
         final String code = selected.code;
         BackgroundThreads.execute(new Task<CoordinateReferenceSystem>() {
@@ -318,8 +322,7 @@ public class CRSChooser extends Dialog<CoordinateReferenceSystem> {
 
             /** Invoked in JavaFX thread on cancellation. */
             @Override protected void cancelled() {
-                type.setText(null);
-                domain.setText(null);
+                clearSummary();
             }
 
             /** Invoked in JavaFX thread on failure. */
@@ -332,6 +335,14 @@ public class CRSChooser extends Dialog<CoordinateReferenceSystem> {
     }
 
     /**
+     * Clears the {@link #type} and {@link #domain} fields.
+     */
+    private void clearSummary() {
+        type.setText(null);
+        domain.setText(null);
+    }
+
+    /**
      * Sets the text that describes the domain of validity.
      */
     private void setDomainOfValidity(final Extent domainOfValidity, final Locale locale) {