Examples with NewClassTree org.sonar.plugins.java.api.tree.NewClassTree used on opensource projects

Example 6 with NewClassTree

use of org.sonar.plugins.java.api.tree.NewClassTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method enum_constant.

@Test
public void enum_constant() {
    List<Tree> declarations = firstType("enum T { C1, C2(2) { }; }").members();
    assertThat(declarations).hasSize(2);
    EnumConstantTree tree = (EnumConstantTree) declarations.get(0);
    assertThat(tree.is(Tree.Kind.ENUM_CONSTANT)).isTrue();
    assertThat(tree.simpleName().name()).isEqualTo("C1");
    assertThat(tree.separatorToken().text()).isEqualTo(",");
    assertThatChildrenIteratorHasSize(tree, 3);
    NewClassTree newClassTree = tree.initializer();
    assertThat(newClassTree.arguments()).isEmpty();
    assertThat(newClassTree.classBody()).isNull();
    assertThat(newClassTree.newKeyword()).isNull();
    assertThatChildrenIteratorHasSize(newClassTree, 2);
    tree = (EnumConstantTree) declarations.get(1);
    assertThat(tree.is(Tree.Kind.ENUM_CONSTANT)).isTrue();
    assertThat(tree.simpleName().name()).isEqualTo("C2");
    assertThat(tree.separatorToken().text()).isEqualTo(";");
    assertThatChildrenIteratorHasSize(tree, 3);
    newClassTree = tree.initializer();
    assertThat(newClassTree.arguments().openParenToken()).isNotNull();
    assertThat(newClassTree.arguments()).hasSize(1);
    assertThat(newClassTree.arguments().closeParenToken()).isNotNull();
    assertThat(newClassTree.classBody()).isNotNull();
    assertThat(newClassTree.classBody().openBraceToken().text()).isEqualTo("{");
    assertThat(newClassTree.newKeyword()).isNull();
    assertThatChildrenIteratorHasSize(newClassTree, 3);
}

Example 7 with NewClassTree

use of org.sonar.plugins.java.api.tree.NewClassTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method class_instance_creation_expression.

/**
 * 15.9. Class Instance Creation Expressions
 */
@Test
public void class_instance_creation_expression() {
    NewClassTree tree = (NewClassTree) expressionOfReturnStatement("class T { T m() { return new T(true, false) {}; } }");
    assertThat(tree.is(Tree.Kind.NEW_CLASS)).isTrue();
    assertThat(tree.enclosingExpression()).isNull();
    assertThat(tree.dotToken()).isNull();
    assertThat(tree.arguments().openParenToken()).isNotNull();
    assertThat(tree.arguments()).hasSize(2);
    assertThat(tree.arguments().closeParenToken()).isNotNull();
    assertThat(tree.identifier()).isNotNull();
    assertThat(tree.classBody()).isNotNull();
    assertThat(tree.newKeyword()).isNotNull();
    assertThatChildrenIteratorHasSize(tree, 4);
    // assertThat(tree.typeArguments()).isEmpty();
    tree = (NewClassTree) expressionOfReturnStatement("class T { T m() { return Enclosing.new T(true, false) {}; } }");
    assertThat(tree.is(Tree.Kind.NEW_CLASS)).isTrue();
    assertThat(tree.enclosingExpression()).isNotNull();
    assertThat(tree.dotToken()).isNotNull();
    assertThat(tree.identifier()).isNotNull();
    assertThat(tree.arguments().openParenToken()).isNotNull();
    assertThat(tree.arguments()).hasSize(2);
    assertThat(tree.arguments().closeParenToken()).isNotNull();
    assertThat(tree.classBody()).isNotNull();
    assertThat(tree.newKeyword()).isNotNull();
    assertThatChildrenIteratorHasSize(tree, 6);
    // assertThat(tree.typeArguments()).isEmpty();
    tree = (NewClassTree) expressionOfReturnStatement("class T { T m() { return this.new T(true, false) {}; } }");
    assertThat(tree.enclosingExpression()).isNotNull();
    assertThat(tree.dotToken()).isNotNull();
    assertThat(tree.identifier()).isNotNull();
    assertThat(tree.arguments().openParenToken()).isNotNull();
    assertThat(tree.arguments()).hasSize(2);
    assertThat(tree.arguments().closeParenToken()).isNotNull();
    assertThat(tree.classBody()).isNotNull();
    assertThat(tree.newKeyword()).isNotNull();
    assertThatChildrenIteratorHasSize(tree, 6);
    // assertThat(tree.typeArguments()).isEmpty();
    tree = (NewClassTree) ((VariableTree) firstMethodFirstStatement("class T { void m() { Foo myInt = new<Integer>Foo(42); } }")).initializer();
    assertThat(tree.enclosingExpression()).isNull();
    assertThat(tree.dotToken()).isNull();
    assertThat(tree.identifier()).isNotNull();
    assertThat(tree.typeArguments()).isNotNull();
    assertThat(tree.typeArguments()).hasSize(1);
    assertThatChildrenIteratorHasSize(tree, 4);
}

Example 8 with NewClassTree

use of org.sonar.plugins.java.api.tree.NewClassTree in project sonar-java by SonarSource.

the class JavaTreeModelTest method annotations.

@Test
public void annotations() {
    ClassTree tree = firstType("@SuppressWarnings(\"unchecked\") class T { }");
    List<AnnotationTree> annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    AnnotationTree annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.STRING_LITERAL)).isTrue();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target( ) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target({ElementType.METHOD}) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.NEW_ARRAY)).isTrue();
    assertThat(annotation.arguments().separators()).isEmpty();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@SuppressWarnings({\"hello\",}) class U {}");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.NEW_ARRAY)).isTrue();
    NewArrayTree arg = (NewArrayTree) annotation.arguments().get(0);
    assertThat(arg.initializers()).hasSize(1);
    assertThat(arg.initializers().get(0).is(Tree.Kind.STRING_LITERAL)).isTrue();
    assertThat(arg.initializers().separators()).hasSize(1);
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    tree = firstType("@Target(value={ElementType.METHOD}, value2=\"toto\") class T { }");
    annotations = tree.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.arguments().openParenToken()).isNotNull();
    assertThat(annotation.arguments()).hasSize(2);
    assertThat(annotation.arguments().separators()).hasSize(1);
    assertThat(annotation.arguments().get(0).is(Tree.Kind.ASSIGNMENT)).isTrue();
    assertThat(annotation.arguments().closeParenToken()).isNotNull();
    assertThat(annotation.atToken()).isNotNull();
    assertThatChildrenIteratorHasSize(annotation, 3);
    VariableTree variable = (VariableTree) firstMethodFirstStatement("class T { private void meth() { @NonNullable String str;}}");
    assertThatChildrenIteratorHasSize(variable, 4);
    annotations = variable.modifiers().annotations();
    assertThat(annotations).hasSize(1);
    annotation = annotations.get(0);
    assertThat(annotation.annotationType().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(annotation.atToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThatChildrenIteratorHasSize(annotation, 3);
    annotations = compilationUnit("@PackageLevelAnnotation package blammy;").packageDeclaration().annotations();
    assertThat(annotations).hasSize(1);
    assertThat(annotations.get(0).atToken()).isNotNull();
    assertThat(annotation.arguments()).isEmpty();
    assertThatChildrenIteratorHasSize(annotation, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { @Foo Integer foo; } }");
    assertThat(variable.modifiers().annotations()).hasSize(1);
    assertThat(variable.type().is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { @Foo java.lang.Integer foo; } }");
    assertThat(variable.modifiers().annotations()).hasSize(1);
    assertThat(variable.type().is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { java.lang.@Foo Integer foo; } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThat(variable.type().is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(variable.type().annotations()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 4);
    assertThat(((MemberSelectExpressionTree) variable.type()).identifier().annotations()).hasSize(1);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.B.C foo = a.B.new @Foo C(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    TypeTree type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.IDENTIFIER)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.b.C<Integer> foo = a.B.new @Foo C<Integer>(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.B.C foo = new @Foo a.B.C(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 4);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { a.b.C<Integer> foo = new @Foo a.b.C<Integer>(); } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewClassTree) variable.initializer()).identifier();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    variable = (VariableTree) firstMethodFirstStatement("class T { private void m() { int[] foo = new @Foo int[42]; } }");
    assertThat(variable.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(variable, 6);
    type = ((NewArrayTree) variable.initializer()).type();
    assertThat(type.is(Tree.Kind.PRIMITIVE_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
    variable = ((TryStatementTree) firstMethodFirstStatement("class T { private void m() { try{ } catch (@Foo E1 | E2 e) {}; } }")).catches().get(0).parameter();
    assertThat(variable.modifiers()).hasSize(1);
    assertThatChildrenIteratorHasSize(variable, 3);
    type = variable.type();
    assertThat(type.is(Tree.Kind.UNION_TYPE)).isTrue();
    assertThat(type.annotations()).isEmpty();
    assertThat(((UnionTypeTree) type).typeAlternatives().separators()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 1);
    ClassTree classTree = firstType("class T extends @Foo a.b.C {}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 4);
    classTree = firstType("class T extends @Foo a.b.C<Integer> {}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 3);
    classTree = (ClassTree) firstMethodFirstStatement("class MyClass<A, B, C> { void foo() { class MyOtherClass extends @Foo MyClass<A, B, C>.MyInnerClass {} } public class MyInnerClass {}}");
    assertThat(classTree.modifiers()).isEmpty();
    assertThatChildrenIteratorHasSize(classTree, 9);
    type = classTree.superClass();
    assertThat(type.is(Tree.Kind.MEMBER_SELECT)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    type = (ParameterizedTypeTree) ((MemberSelectExpressionTree) type).expression();
    assertThat(type.is(Tree.Kind.PARAMETERIZED_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(0);
    assertThatChildrenIteratorHasSize(type, 2);
    TypeCastTree typeCast = (TypeCastTree) ((ReturnStatementTree) firstMethodFirstStatement("class T { private long m(int a) { return (@Foo long) a; } }")).expression();
    assertThat(typeCast.type()).isNotNull();
    assertThatChildrenIteratorHasSize(typeCast, 5);
    type = typeCast.type();
    assertThat(type.is(Tree.Kind.PRIMITIVE_TYPE)).isTrue();
    assertThat(type.annotations()).hasSize(1);
    assertThatChildrenIteratorHasSize(type, 2);
}

Example 9 with NewClassTree

use of org.sonar.plugins.java.api.tree.NewClassTree in project sonar-java by SonarSource.

the class ClassTreeImplTest method getLine.

@Test
public void getLine() {
    CompilationUnitTree tree = createTree("class A {\n" + "A a = new A() {};" + "\n}");
    ClassTree classTree = (ClassTree) tree.types().get(0);
    assertThat(((JavaTree) classTree).getLine()).isEqualTo(1);
    // get line of anonymous class
    NewClassTree newClassTree = (NewClassTree) ((VariableTree) classTree.members().get(0)).initializer();
    assertThat(((JavaTree) newClassTree.classBody()).getLine()).isEqualTo(2);
}

Example 10 with NewClassTree

use of org.sonar.plugins.java.api.tree.NewClassTree in project sonar-java by SonarSource.

the class ArrayForVarArgCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    Symbol sym;
    Arguments args;
    Tree methodName;
    if (tree.is(Tree.Kind.NEW_CLASS)) {
        NewClassTree nct = (NewClassTree) tree;
        sym = nct.constructorSymbol();
        args = nct.arguments();
        methodName = nct.identifier();
    } else {
        MethodInvocationTree mit = (MethodInvocationTree) tree;
        sym = mit.symbol();
        args = mit.arguments();
        methodName = mit.methodSelect();
    }
    if (sym.isMethodSymbol() && !args.isEmpty()) {
        ExpressionTree lastArg = args.get(args.size() - 1);
        JavaSymbol.MethodJavaSymbol methodSymbol = (JavaSymbol.MethodJavaSymbol) sym;
        MethodJavaType methodType = getMethodType(methodSymbol, methodName);
        checkInvokedMethod(methodSymbol, methodType, lastArg);
    }
}