push ex4 and ex5

code/Exercise5/pom.xml

@@ -63,6 +63,14 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>21</source>
+                    <target>21</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 

code/Exercise5/src/main/java/fr/istic/vv/CyclomaticComplexity.java

@@ -0,0 +1,43 @@
+package fr.istic.vv;
+
+
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.expr.ConditionalExpr;
+import com.github.javaparser.ast.stmt.*;
+import com.github.javaparser.ast.visitor.VoidVisitorAdapter;
+
+import java.io.PrintWriter;
+
+
+public class CyclomaticComplexity extends VoidVisitorAdapter<Void> {
+    private PrintWriter out;
+
+    public CyclomaticComplexity(PrintWriter out) {
+        this.out = out;
+    }
+
+    @Override
+    public void visit(MethodDeclaration method, Void arg) {
+        System.out.println("Found method: " + method.getDeclarationAsString());
+        int cc = 1;
+        for (Node node : method.findAll(Node.class)) {
+            if (node instanceof IfStmt
+                    || node instanceof ForStmt
+                    || node instanceof WhileStmt
+                    || node instanceof DoStmt
+                    || node instanceof CatchClause
+                    || node instanceof ConditionalExpr) {
+                cc++;
+            } else if (node instanceof SwitchEntry) {
+                SwitchEntry se = (SwitchEntry) node;
+                if (!(se.getLabels().isEmpty())) {
+                    cc++;
+                }
+            }
+        }
+        String resultLine = method.getNameAsString()+ ": " + cc;
+        out.println(resultLine);
+        out.flush();
+    }
+}

code/Exercise5/src/main/java/fr/istic/vv/Main.java

@@ -1,20 +1,13 @@
 package fr.istic.vv;
 
-import com.github.javaparser.Problem;
-import com.github.javaparser.ast.CompilationUnit;
-import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
-import com.github.javaparser.ast.body.MethodDeclaration;
-import com.github.javaparser.ast.visitor.VoidVisitor;
-import com.github.javaparser.ast.visitor.VoidVisitorAdapter;
+
 import com.github.javaparser.utils.SourceRoot;
 
 import java.io.File;
 import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
+import java.io.PrintWriter;
 
 public class Main {
-
     public static void main(String[] args) throws IOException {
         if(args.length == 0) {
             System.err.println("Should provide the path to the source code");
@@ -28,12 +21,12 @@ public class Main {
         }
 
         SourceRoot root = new SourceRoot(file.toPath());
-        PublicElementsPrinter printer = new PublicElementsPrinter();
-        root.parse("", (localPath, absolutePath, result) -> {
-            result.ifSuccessful(unit -> unit.accept(printer, null));
-            return SourceRoot.Callback.Result.DONT_SAVE;
-        });
+        try (PrintWriter writer = new PrintWriter("result_exercise5.txt")) {
+            CyclomaticComplexity checker = new CyclomaticComplexity(writer);
+            root.parse("", (localPath, absolutePath, result) -> {
+                result.ifSuccessful(unit -> unit.accept(checker, null));
+                return SourceRoot.Callback.Result.DONT_SAVE;
+            });
+        }
     }
-
-
 }

code/Exercise5/src/main/java/fr/istic/vv/PublicElementsPrinter.java

@@ -1,48 +0,0 @@
-package fr.istic.vv;
-
-import com.github.javaparser.ast.CompilationUnit;
-import com.github.javaparser.ast.body.*;
-import com.github.javaparser.ast.visitor.VoidVisitorWithDefaults;
-
-
-// This class visits a compilation unit and
-// prints all public enum, classes or interfaces along with their public methods
-public class PublicElementsPrinter extends VoidVisitorWithDefaults<Void> {
-
-    @Override
-    public void visit(CompilationUnit unit, Void arg) {
-        for(TypeDeclaration<?> type : unit.getTypes()) {
-            type.accept(this, null);
-        }
-    }
-
-    public void visitTypeDeclaration(TypeDeclaration<?> declaration, Void arg) {
-        if(!declaration.isPublic()) return;
-        System.out.println(declaration.getFullyQualifiedName().orElse("[Anonymous]"));
-        for(MethodDeclaration method : declaration.getMethods()) {
-            method.accept(this, arg);
-        }
-        // Printing nested types in the top level
-        for(BodyDeclaration<?> member : declaration.getMembers()) {
-            if (member instanceof TypeDeclaration)
-                member.accept(this, arg);
-        }
-    }
-
-    @Override
-    public void visit(ClassOrInterfaceDeclaration declaration, Void arg) {
-        visitTypeDeclaration(declaration, arg);
-    }
-
-    @Override
-    public void visit(EnumDeclaration declaration, Void arg) {
-        visitTypeDeclaration(declaration, arg);
-    }
-
-    @Override
-    public void visit(MethodDeclaration declaration, Void arg) {
-        if(!declaration.isPublic()) return;
-        System.out.println("  " + declaration.getDeclarationAsString(true, true));
-    }
-
-}