[PATCH] (issue1794) Safeguard against layers without extent

[Wald Commits]

# HG changeset patch
# User Andre Heinecke <andre.heinecke at intevation.de>
# Date 1424172973 -3600
# Node ID 76a2268942c63c74970ef614236276f7ea536e0f
# Parent  9e66aa006b4231eb2ec62b3f067935d6351651f7
(issue1794) Safeguard against layers without extent.

    Just create a broken layer but don't create a syntax error in a mapfile.
    The syntax error pulls down the whole user wms while this just creates
    one broken layer.

diff -r 9e66aa006b42 -r 76a2268942c6 artifacts/src/main/java/org/dive4elements/river/exports/MapGenerator.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/MapGenerator.java	Fri Jan 30 15:21:35 2015 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/MapGenerator.java	Tue Feb 17 12:36:13 2015 +0100
@@ -301,7 +301,13 @@
 
 
     protected void appendMapInformation(Element parent, ElementCreator c) {
-        String mE = GeometryUtils.jtsBoundsToOLBounds(this.maxExtent);
+        String mE;
+        if (this.maxExtent != null) {
+            mE = GeometryUtils.jtsBoundsToOLBounds(this.maxExtent);
+        } else {
+            log.error("Layer without extent. Probably no geometry at all.");
+            mE = "0 0 0 0";
+        }
 
         Element maxExtent = c.create("maxExtent");
         maxExtent.setTextContent(mE);