2025 init

code/javaparser-starter/src/main/java/fr/istic/vv/Main.java

@@ -0,0 +1,39 @@
+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;
+
+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");
+            System.exit(1);
+        }
+
+        File file = new File(args[0]);
+        if(!file.exists() || !file.isDirectory() || !file.canRead()) {
+            System.err.println("Provide a path to an existing readable directory");
+            System.exit(2);
+        }
+
+        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;
+        });
+    }
+
+
+}

code/javaparser-starter/src/main/java/fr/istic/vv/PublicElementsPrinter.java

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+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));
+    }
+
+}