FOP-3072: Empty link url gives NPE
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1900951 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
index da010d2..84e4e3a 100644
--- a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
+++ b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
@@ -980,10 +980,12 @@
this.deferredLinks.add(link);
} else if (ip instanceof BasicLinkArea) {
BasicLinkArea linkArea = (BasicLinkArea) ip;
- String id = linkArea.getResolver().getIDRefs()[0];
- action = getGoToActionForID(id, -1);
- Link link = new Link(action, ipRect);
- this.deferredLinks.add(link);
+ if (linkArea.getResolver() != null) {
+ String id = linkArea.getResolver().getIDRefs()[0];
+ action = getGoToActionForID(id, -1);
+ Link link = new Link(action, ipRect);
+ this.deferredLinks.add(link);
+ }
}
}
diff --git a/fop/test/intermediate/basic-link_empty.xml b/fop/test/intermediate/basic-link_empty.xml
new file mode 100644
index 0000000..b4c570f
--- /dev/null
+++ b/fop/test/intermediate/basic-link_empty.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+ <info>
+ <p>
+ This test checks a empty fo:basic-link
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master master-name="page" page-height="420pt" page-width="320pt" margin="10pt">
+ <fo:region-body/>
+ </fo:simple-page-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="page">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block>
+ <fo:basic-link external-destination="url('')">a</fo:basic-link>
+ </fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <if-checks xmlns:if="http://xmlgraphics.apache.org/fop/intermediate">
+ <eval expected="a" xpath="//if:text"/>
+ </if-checks>
+</testcase>
