add workflow, checkstyle and configurations

.github/workflows/checkstyle.yml

@@ -0,0 +1,13 @@
+name: Call Checkstyle
+
+on:
+  pull_request:
+    branches: ["master", "develop"]
+    paths:
+      - '**/*.java'
+
+jobs:
+  style-check:
+    uses: PSMRI/.github/.github/workflows/checkstyle.yml@main
+    with:
+      java-version: '17'

checkstyle.xml

@@ -0,0 +1,67 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+          "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
+          "https://checkstyle.org/dtds/configuration_1_3.dtd">
+
+<module name="Checker">
+    <property name="severity" value="error"/>
+    <property name="fileExtensions" value="java"/>
+
+    <!-- Checks for Size Violations -->
+    <module name="FileLength">
+        <property name="max" value="500"/>
+    </module>
+    <module name="LineLength">
+        <property name="max" value="120"/>
+    </module>
+
+    <module name="TreeWalker">
+        <!-- Checks for Naming Conventions -->
+        <module name="MethodName"/>
+        <module name="PackageName"/>
+        <module name="TypeName"/>
+        <module name="ParameterName"/>
+        <module name="LocalVariableName"/>
+        <module name="MemberName"/>
+
+        <!-- Checks for imports -->
+        <module name="AvoidStarImport"/>
+        <module name="IllegalImport"/>
+        <module name="RedundantImport"/>
+        <module name="UnusedImports"/>
+
+        <!-- Checks for Size Violations -->
+        <module name="MethodLength">
+            <property name="max" value="50"/>
+        </module>
+
+        <!-- Checks for whitespace -->
+        <module name="EmptyLineSeparator"/>
+        <module name="GenericWhitespace"/>
+        <module name="MethodParamPad"/>
+        <module name="NoWhitespaceAfter"/>
+        <module name="NoWhitespaceBefore"/>
+        <module name="ParenPad"/>
+        <module name="TypecastParenPad"/>
+        <module name="WhitespaceAfter"/>
+        <module name="WhitespaceAround"/>
+
+        <!-- Modifier Checks -->
+        <module name="ModifierOrder"/>
+        <module name="RedundantModifier"/>
+
+        <!-- Checks for blocks -->
+        <module name="EmptyBlock"/>
+        <module name="LeftCurly"/>
+        <module name="RightCurly"/>
+        <module name="NeedBraces"/>
+
+        <!-- Checks for common coding problems -->
+        <module name="EmptyStatement"/>
+        <module name="EqualsHashCode"/>
+        <module name="IllegalInstantiation"/>
+        <module name="MissingSwitchDefault"/>
+        <module name="SimplifyBooleanExpression"/>
+        <module name="SimplifyBooleanReturn"/>
+    </module>
+</module>

command_output.log

@@ -0,0 +1,11 @@
+
+Command: shopt -s histappend
+Output:
+
+Exit Code: 0
+----
+Command: pwd
+Output:
+/home/harsh/HWC-API
+Exit Code: 0
+----

pom.xml

@@ -435,6 +435,35 @@
 					</webResources>
 				</configuration>
 			</plugin>
+
+			<plugin>
+    <groupId>org.apache.maven.plugins</groupId>
+    <artifactId>maven-checkstyle-plugin</artifactId>
+    <version>3.3.1</version>
+    <dependencies>
+        <dependency>
+            <groupId>com.puppycrawl.tools</groupId>
+            <artifactId>checkstyle</artifactId>
+            <version>10.12.7</version>
+        </dependency>
+    </dependencies>
+    <configuration>
+        <configLocation>checkstyle.xml</configLocation>
+        <encoding>UTF-8</encoding>
+        <consoleOutput>true</consoleOutput>
+        <failsOnError>true</failsOnError>
+        <linkXRef>false</linkXRef>
+    </configuration>
+    <executions>
+        <execution>
+            <id>validate</id>
+            <phase>validate</phase>
+            <goals>
+                <goal>check</goal>
+            </goals>
+        </execution>
+    </executions>
+</plugin>
 		</plugins>
 	</build>