sonar issue correction - BIS

Author: David DE CARVALHO

src/main/java/fr/greencodeinitiative/java/checks/AvoidSQLRequestInLoop.java

@@ -39,7 +39,7 @@ public class AvoidSQLRequestInLoop extends IssuableSubscriptionVisitor {
     private static final String JAVA_SQL_CONNECTION = "java.sql.Connection";
     private static final String SPRING_JDBC_OPERATIONS = "org.springframework.jdbc.core.JdbcOperations";
 
-    private final MethodMatchers SQL_METHOD = MethodMatchers.or(
+    private static final MethodMatchers SQL_METHOD = MethodMatchers.or(
             MethodMatchers.create().ofSubTypes("org.hibernate.Session").names("createQuery", "createSQLQuery")
                     .withAnyParameters().build(),
             MethodMatchers.create().ofSubTypes(JAVA_SQL_STATEMENT)

src/main/java/fr/greencodeinitiative/java/checks/AvoidStatementForDMLQueries.java

@@ -39,7 +39,7 @@ public class AvoidStatementForDMLQueries extends IssuableSubscriptionVisitor {
 
     private static final Pattern PATTERN = Pattern.compile("(SELECT|INSERT INTO|UPDATE|DELETE FROM)\\s?.*", Pattern.CASE_INSENSITIVE);
 
-    private final MethodMatchers EXECUTE_METHOD = MethodMatchers.or(
+    private static final MethodMatchers EXECUTE_METHOD = MethodMatchers.or(
             MethodMatchers.create().ofSubTypes("java.sql.Statement").names("executeUpdate")
                     .withAnyParameters().build());
 
@@ -54,7 +54,7 @@ public void visitNode(Tree tree) {
         if (!EXECUTE_METHOD.matches(methodInvocationTree))
             return;
         Arguments arguments = methodInvocationTree.arguments();
-        if (arguments.size() < 1)
+        if (arguments.isEmpty())
             return;
         ExpressionTree first = arguments.get(0);
         if (first.is(Tree.Kind.STRING_LITERAL)) {

src/test/java/fr/greencodeinitiative/java/checks/AvoidConcatenateStringsInLoopTest.java

@@ -21,7 +21,7 @@
 import org.sonar.java.checks.verifier.CheckVerifier;
 
 @Deprecated
-public class AvoidConcatenateStringsInLoopTest {
+class AvoidConcatenateStringsInLoopTest {
 
     @Test
     void checkNonCompliantTests() {

src/test/java/fr/greencodeinitiative/java/checks/AvoidRegexPatternNotStaticTest.java

@@ -20,7 +20,7 @@
 import org.junit.jupiter.api.Test;
 import org.sonar.java.checks.verifier.CheckVerifier;
 
-public class AvoidRegexPatternNotStaticTest {
+class AvoidRegexPatternNotStaticTest {
 
     @Test
     void testHasIssues() {

src/test/java/fr/greencodeinitiative/java/checks/AvoidStatementForDMLQueriesTest.java

@@ -20,7 +20,7 @@
 import org.junit.jupiter.api.Test;
 import org.sonar.java.checks.verifier.CheckVerifier;
 
-public class AvoidStatementForDMLQueriesTest {
+class AvoidStatementForDMLQueriesTest {
     @Test
     void test() {
         CheckVerifier.newVerifier()

src/test/java/fr/greencodeinitiative/java/checks/AvoidUsageOfStaticCollectionsTests.java

@@ -20,7 +20,7 @@
 import org.junit.jupiter.api.Test;
 import org.sonar.java.checks.verifier.CheckVerifier;
 
-public class AvoidUsageOfStaticCollectionsTests {
+class AvoidUsageOfStaticCollectionsTests {
 
     @Test
     void testHasIssues() {