Work around Java11 bug resulting in FindBugs false positive warning

Author: cross

BEXCodeRefactoringExamples/pom.xml

@@ -24,6 +24,12 @@
 			<artifactId>becr</artifactId>
 			<version>0.12.0</version>
 		</dependency>
+		<dependency>
+			<groupId>com.github.spotbugs</groupId>
+			<artifactId>spotbugs-annotations</artifactId>
+			<version>4.0.3</version>
+			<optional>true</optional>
+		</dependency>
 		<!-- Used for making Excel report -->
 		<dependency>
 			<groupId>org.apache.poi</groupId>

BEXCodeRefactoringExamples/src/main/java/info/codesaway/becr/comparedirectories/CompareDirectories.java

@@ -71,6 +71,7 @@
 import com.google.common.collect.RangeMap;
 import com.google.common.collect.TreeRangeMap;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import info.codesaway.becr.diff.CorrespondingCode;
 import info.codesaway.becr.diff.FileType;
 import info.codesaway.becr.diff.ImpactType;
@@ -847,6 +848,7 @@ public String getHeaderName() {
 
 	private XSSFCellStyle WRAP_TEXT_CELL_STYLE;
 
+	@SuppressFBWarnings(value = "RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE", justification = "https://github.com/spotbugs/spotbugs/issues/756")
 	public XSSFWorkbook generateExcelReport(final Path excelReportPath,
 			final Map<String, String> projectSheetNameMap,
 			final CompareDirectoriesResult compareDirectoriesResult) throws IOException {