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-rw-r--r--src/java/org/apache/fop/layoutmgr/inline/InlineStackingLayoutManager.java3
-rw-r--r--status.xml4
-rw-r--r--test/layoutengine/hyphenation-testcases/empty-inline_hyphenation_bug45667.xml49
3 files changed, 55 insertions, 1 deletions
diff --git a/src/java/org/apache/fop/layoutmgr/inline/InlineStackingLayoutManager.java b/src/java/org/apache/fop/layoutmgr/inline/InlineStackingLayoutManager.java
index a27fc6516..963b98b37 100644
--- a/src/java/org/apache/fop/layoutmgr/inline/InlineStackingLayoutManager.java
+++ b/src/java/org/apache/fop/layoutmgr/inline/InlineStackingLayoutManager.java
@@ -334,7 +334,8 @@ public abstract class InlineStackingLayoutManager extends AbstractLayoutManager
fromIndex = oldListIterator.previousIndex();
} else if (currLM == prevLM) {
bSomethingChanged
- = prevLM.applyChanges(oldList.subList(fromIndex, oldList.size()))
+ = (prevLM != null)
+ && prevLM.applyChanges(oldList.subList(fromIndex, oldList.size()))
|| bSomethingChanged;
} else {
bSomethingChanged
diff --git a/status.xml b/status.xml
index c5d699725..42d606538 100644
--- a/status.xml
+++ b/status.xml
@@ -53,6 +53,10 @@
<changes>
<release version="FOP Trunk" date="TBD">
+ <action context="Code" dev="AD" type="fix" fixes-bug="45667">
+ Quick-fix to avoid a possible NullPointerException when using
+ empty inlines and hyphenation.
+ </action>
<action context="Layout" dev="JM" type="add">
Added missing generation of areas for empty grid units in tables with collapsing border
model.
diff --git a/test/layoutengine/hyphenation-testcases/empty-inline_hyphenation_bug45667.xml b/test/layoutengine/hyphenation-testcases/empty-inline_hyphenation_bug45667.xml
new file mode 100644
index 000000000..c66b10de9
--- /dev/null
+++ b/test/layoutengine/hyphenation-testcases/empty-inline_hyphenation_bug45667.xml
@@ -0,0 +1,49 @@
+<?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 for Bugzilla 45667: NPE thrown by an empty inline
+ in combination with hyphenate="true".
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master master-name="LetterPage" page-width="6in"
+ page-height="3in">
+ <fo:region-body region-name="PageBody" margin="0.7in"
+ background-color="rgb(245,245,245)"/>
+ </fo:simple-page-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="LetterPage" xml:lang="en-US" hyphenate="true">
+ <fo:flow flow-name="PageBody">
+ <fo:block font="12pt sans-serif">
+ <!-- the following line caused a NullPointerException,
+ if hyphenate="true" -->
+ <fo:inline id="document.general.efficiently.dictionary"/>
+ <!-- the following line is working fine -->
+ Some <fo:inline font-weight="bold" color="red">inline text</fo:inline> formatting.
+ </fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <checks /> <!-- only basic checks to see if no NPE occurred -->
+</testcase>