From 5ced1cc41f894e26af310f1722dcd94e68af5b9e Mon Sep 17 00:00:00 2001
From: XDEV Renovate Bot <renovate@xdev-software.de>
Date: Sat, 29 Mar 2025 04:13:09 +0000
Subject: [PATCH 1/3] Update net.sourceforge.pmd to v7.12.0

---
 pom.xml                      | 4 ++--
 template-placeholder/pom.xml | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/pom.xml b/pom.xml
index f41e09d6..07c70bad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,12 +82,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.11.0</version>
+								<version>7.12.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.11.0</version>
+								<version>7.12.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>
diff --git a/template-placeholder/pom.xml b/template-placeholder/pom.xml
index db200048..47dd4d83 100644
--- a/template-placeholder/pom.xml
+++ b/template-placeholder/pom.xml
@@ -284,12 +284,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.11.0</version>
+								<version>7.12.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.11.0</version>
+								<version>7.12.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>

From 49db248d25fd4a3106ddaaf092c86a205d357c4c Mon Sep 17 00:00:00 2001
From: XDEV Renovate Bot <renovate@xdev-software.de>
Date: Mon, 31 Mar 2025 04:15:29 +0000
Subject: [PATCH 2/3] Update dependency com.puppycrawl.tools:checkstyle to
 v10.22.0

---
 pom.xml                      | 2 +-
 template-placeholder/pom.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index f41e09d6..eb66486e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>10.21.4</version>
+								<version>10.22.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/template-placeholder/pom.xml b/template-placeholder/pom.xml
index db200048..014b6081 100644
--- a/template-placeholder/pom.xml
+++ b/template-placeholder/pom.xml
@@ -247,7 +247,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>10.21.4</version>
+								<version>10.22.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>

From 4eef9ec75c98fcddb0845dfe527b5ae6615db1c3 Mon Sep 17 00:00:00 2001
From: AB <a.bierler@xdev-software.de>
Date: Mon, 31 Mar 2025 08:37:19 +0200
Subject: [PATCH 3/3] Improve Code Analysis

See https://github.com/xdev-software/java-template/issues/13
---
 .config/checkstyle/checkstyle.xml | 13 +++++++++-
 .config/pmd/ruleset.xml           | 43 ++++++++++++++++++++++++++++---
 2 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/.config/checkstyle/checkstyle.xml b/.config/checkstyle/checkstyle.xml
index a0d7f178..43b52907 100644
--- a/.config/checkstyle/checkstyle.xml
+++ b/.config/checkstyle/checkstyle.xml
@@ -52,6 +52,7 @@
 	<module name="TreeWalker">
 		<!-- Checks - sorted alphabetically -->
 		<module name="ArrayTypeStyle"/>
+		<module name="AvoidDoubleBraceInitialization"/>
 		<module name="AvoidStarImport"/>
 		<module name="ConstantName"/>
 		<module name="DefaultComesLast"/>
@@ -68,6 +69,11 @@
 		<module name="FinalParameters"/>
 		<module name="GenericWhitespace"/>
 		<module name="HideUtilityClassConstructor"/>
+		<module name="IllegalCatch">
+			<!-- https://docs.pmd-code.org/pmd-doc-7.11.0/pmd_rules_java_errorprone.html#avoidcatchingnpe -->
+			<!-- https://docs.pmd-code.org/pmd-doc-7.11.0/pmd_rules_java_errorprone.html#avoidcatchingthrowable -->
+			<property name="illegalClassNames" value="Error,Throwable,NullPointerException,java.lang.Error,java.lang.Throwable,java.lang.NullPointerException"/>
+		</module>
 		<module name="IllegalImport"/>
 		<module name="InterfaceIsType"/>
 		<module name="JavadocStyle">
@@ -93,7 +99,6 @@
 		<module name="MethodParamPad"/>
 		<module name="MissingDeprecated"/>
 		<module name="MissingOverride"/>
-		<module name="MissingSwitchDefault"/>
 		<module name="ModifierOrder"/>
 		<module name="NeedBraces"/>
 		<module name="NoClone"/>
@@ -122,7 +127,13 @@
 		</module>
 		<module name="TypecastParenPad"/>
 		<module name="TypeName"/>
+		<module name="UnnecessaryParentheses"/>
+		<module name="UnnecessarySemicolonAfterOuterTypeDeclaration"/>
+		<module name="UnnecessarySemicolonAfterTypeMemberDeclaration"/>
+		<module name="UnnecessarySemicolonInEnumeration"/>
+		<module name="UnnecessarySemicolonInTryWithResources"/>
 		<module name="UnusedImports"/>
+		<module name="UnusedLocalVariable"/>
 		<module name="UpperEll"/>
 		<module name="VisibilityModifier">
 			<property name="packageAllowed" value="true"/>
diff --git a/.config/pmd/ruleset.xml b/.config/pmd/ruleset.xml
index 7a03f17c..88a7b5ae 100644
--- a/.config/pmd/ruleset.xml
+++ b/.config/pmd/ruleset.xml
@@ -10,16 +10,38 @@
 
 	<!-- Only rules that don't overlap with CheckStyle! -->
 
+	<rule ref="category/java/bestpractices.xml/AvoidPrintStackTrace"/>
+	<rule ref="category/java/bestpractices.xml/AvoidStringBufferField"/>
 	<rule ref="category/java/bestpractices.xml/AvoidUsingHardCodedIP"/>
+	<rule ref="category/java/bestpractices.xml/ConstantsInInterface"/>
+	<rule ref="category/java/bestpractices.xml/ExhaustiveSwitchHasDefault"/>
+	<rule ref="category/java/bestpractices.xml/LiteralsFirstInComparisons"/>
+	<!-- CheckStyle can't handle this switch behavior -> delegated to PMD -->
+	<rule ref="category/java/bestpractices.xml/NonExhaustiveSwitch"/>
+	<rule ref="category/java/bestpractices.xml/OneDeclarationPerLine">
+		<properties>
+			<property name="strictMode" value="true"/>
+		</properties>
+	</rule>
 	<rule ref="category/java/bestpractices.xml/PreserveStackTrace"/>
+	<rule ref="category/java/bestpractices.xml/SimplifiableTestAssertion"/>
+	<rule ref="category/java/bestpractices.xml/SystemPrintln"/>
+	<rule ref="category/java/bestpractices.xml/UnusedAssignment"/>
+	<rule ref="category/java/bestpractices.xml/UnusedFormalParameter"/>
+	<rule ref="category/java/bestpractices.xml/UnusedPrivateField"/>
+	<rule ref="category/java/bestpractices.xml/UnusedPrivateMethod"/>
 	<rule ref="category/java/bestpractices.xml/UseCollectionIsEmpty"/>
+	<rule ref="category/java/bestpractices.xml/UseEnumCollections"/>
 	<rule ref="category/java/bestpractices.xml/UseStandardCharsets"/>
+	<rule ref="category/java/bestpractices.xml/UseTryWithResources"/>
 
 	<!-- Native code is platform dependent; Loading external native libs might pose a security threat -->
 	<rule ref="category/java/codestyle.xml/AvoidUsingNativeCode"/>
 	<rule ref="category/java/codestyle.xml/IdenticalCatchBranches"/>
+	<rule ref="category/java/codestyle.xml/LambdaCanBeMethodReference"/>
 	<rule ref="category/java/codestyle.xml/NoPackage"/>
 	<rule ref="category/java/codestyle.xml/PrematureDeclaration"/>
+	<rule ref="category/java/codestyle.xml/UnnecessarySemicolon"/>
 
 	<rule ref="category/java/design.xml">
 		<!-- Sometimes abstract classes have just fields -->
@@ -76,9 +98,6 @@
 
 		<!-- Limit too low -->
 		<exclude name="UseObjectForClearerAPI"/>
-
-		<!-- Handled by checkstyle -->
-		<exclude name="UseUtilityClass"/>
 	</rule>
 
 	<rule ref="category/java/design.xml/AvoidDeeplyNestedIfStmts">
@@ -114,17 +133,33 @@
 		</properties>
 	</rule>
 
+	<rule ref="category/java/errorprone.xml/AssignmentToNonFinalStatic"/>
+	<rule ref="category/java/errorprone.xml/AvoidDecimalLiteralsInBigDecimalConstructor"/>
+	<rule ref="category/java/errorprone.xml/AvoidMultipleUnaryOperators"/>
 	<rule ref="category/java/errorprone.xml/AvoidUsingOctalValues"/>
 	<rule ref="category/java/errorprone.xml/BrokenNullCheck"/>
 	<rule ref="category/java/errorprone.xml/ComparisonWithNaN"/>
 	<rule ref="category/java/errorprone.xml/DoNotCallGarbageCollectionExplicitly"/>
 	<rule ref="category/java/errorprone.xml/DontImportSun"/>
+	<rule ref="category/java/errorprone.xml/DontUseFloatTypeForLoopIndices"/>
+	<rule ref="category/java/errorprone.xml/EqualsNull"/>
+	<rule ref="category/java/errorprone.xml/IdempotentOperations"/>
+	<rule ref="category/java/errorprone.xml/ImplicitSwitchFallThrough"/>
+	<rule ref="category/java/errorprone.xml/InstantiationToGetClass"/>
+	<rule ref="category/java/errorprone.xml/InvalidLogMessageFormat"/>
+	<rule ref="category/java/errorprone.xml/JumbledIncrementer"/>
 	<rule ref="category/java/errorprone.xml/MisplacedNullCheck"/>
+	<rule ref="category/java/errorprone.xml/MoreThanOneLogger"/>
+	<rule ref="category/java/errorprone.xml/NonStaticInitializer"/>
+	<rule ref="category/java/errorprone.xml/ReturnFromFinallyBlock"/>
+	<rule ref="category/java/errorprone.xml/SingletonClassReturningNewInstance"/>
+	<rule ref="category/java/errorprone.xml/UnconditionalIfStatement"/>
 	<rule ref="category/java/errorprone.xml/UnnecessaryCaseChange"/>
+	<rule ref="category/java/errorprone.xml/UselessOperationOnImmutable"/>
 
 
 	<rule ref="category/java/multithreading.xml">
-		<!-- Just bloats code -->
+		<!-- Just bloats code; improved in JEP-491/Java 24+ -->
 		<exclude name="AvoidSynchronizedAtMethodLevel"/>
 
 		<!-- NOPE -->