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

Example 11 with NewClassTree

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

the class RawExceptionCheck method visitThrowStatement.

@Override
public void visitThrowStatement(ThrowStatementTree tree) {
    if (tree.expression().is(Tree.Kind.NEW_CLASS)) {
        TypeTree exception = ((NewClassTree) tree.expression()).identifier();
        Type symbolType = exception.symbolType();
        if (symbolType instanceof MethodJavaType) {
            symbolType = ((MethodJavaType) exception.symbolType()).resultType();
        }
        if (isRawException(symbolType)) {
            reportIssue(exception);
        }
    }
    super.visitThrowStatement(tree);
}

Example 12 with NewClassTree

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

the class OSCommandInjectionCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (hasSemantic()) {
        if (tree.is(Tree.Kind.METHOD_INVOCATION)) {
            MethodInvocationTree mit = (MethodInvocationTree) tree;
            Arguments arguments = mit.arguments();
            if (RUNTIME_EXEC_MATCHER.matches(mit)) {
                checkForIssue(tree, arguments.get(0));
            } else if (PROCESS_BUILDER_COMMAND_MATCHER.matches(mit) && !arguments.isEmpty()) {
                checkForIssue(tree, arguments);
            }
        } else if (((NewClassTree) tree).symbolType().is("java.lang.ProcessBuilder")) {
            checkForIssue(tree, ((NewClassTree) tree).arguments());
        }
    }
}

Example 13 with NewClassTree

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

the class FileLinesVisitor method computeExecutableLines.

private void computeExecutableLines(List<? extends Tree> trees) {
    if (trees.isEmpty()) {
        return;
    }
    // rely on cfg to get every instructions and get most of the token.
    CFG cfg = CFG.buildCFG(trees);
    cfg.blocks().stream().flatMap(b -> b.elements().stream()).forEach(t -> {
        if (t.is(NEW_CLASS)) {
            NewClassTree newClassTree = (NewClassTree) t;
            new ExecutableLinesTokenVisitor().scanTree(newClassTree.identifier());
            executableLines.add(newClassTree.newKeyword().line());
        } else if (t.is(TRY_STATEMENT)) {
            // add last token of try statements
            executableLines.add(t.lastToken().line());
        } else {
            executableLines.add(t.firstToken().line());
        }
    });
}

Example 14 with NewClassTree

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

the class DeadStoreCheck method checkElement.

private Set<Symbol> checkElement(Symbol.MethodSymbol methodSymbol, Set<Symbol> outVar, Set<Tree> assignmentLHS, Tree element) {
    Set<Symbol> out = outVar;
    switch(element.kind()) {
        case PLUS_ASSIGNMENT:
        case DIVIDE_ASSIGNMENT:
        case MINUS_ASSIGNMENT:
        case MULTIPLY_ASSIGNMENT:
        case OR_ASSIGNMENT:
        case XOR_ASSIGNMENT:
        case AND_ASSIGNMENT:
        case LEFT_SHIFT_ASSIGNMENT:
        case RIGHT_SHIFT_ASSIGNMENT:
        case UNSIGNED_RIGHT_SHIFT_ASSIGNMENT:
        case REMAINDER_ASSIGNMENT:
        case ASSIGNMENT:
            handleAssignment(out, assignmentLHS, (AssignmentExpressionTree) element);
            break;
        case IDENTIFIER:
            handleIdentifier(out, assignmentLHS, (IdentifierTree) element);
            break;
        case VARIABLE:
            handleVariable(out, (VariableTree) element);
            break;
        case NEW_CLASS:
            handleNewClass(out, methodSymbol, (NewClassTree) element);
            break;
        case LAMBDA_EXPRESSION:
            LambdaExpressionTree lambda = (LambdaExpressionTree) element;
            out.addAll(getUsedLocalVarInSubTree(lambda.body(), methodSymbol));
            break;
        case METHOD_REFERENCE:
            MethodReferenceTree methodRef = (MethodReferenceTree) element;
            out.addAll(getUsedLocalVarInSubTree(methodRef.expression(), methodSymbol));
            break;
        case TRY_STATEMENT:
            handleTryStatement(out, methodSymbol, (TryStatementTree) element);
            break;
        case PREFIX_DECREMENT:
        case PREFIX_INCREMENT:
            handlePrefixExpression(out, (UnaryExpressionTree) element);
            break;
        case POSTFIX_INCREMENT:
        case POSTFIX_DECREMENT:
            handlePostfixExpression(out, (UnaryExpressionTree) element);
            break;
        case CLASS:
        case ENUM:
        case ANNOTATION_TYPE:
        case INTERFACE:
            ClassTree classTree = (ClassTree) element;
            out.addAll(getUsedLocalVarInSubTree(classTree, methodSymbol));
            break;
        default:
    }
    return out;
}

Example 15 with NewClassTree

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

the class DiamondOperatorCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    NewClassTree newClassTree = (NewClassTree) tree;
    TypeTree newTypeTree = newClassTree.identifier();
    if (newClassTree.classBody() == null && isParameterizedType(newTypeTree)) {
        TypeTree type = getTypeFromExpression(tree.parent(), expressionKindsToCheck);
        if (type != null && isParameterizedType(type)) {
            reportIssue(((ParameterizedTypeTree) newTypeTree).typeArguments(), "Replace the type specification in this constructor call with the diamond operator (\"<>\")." + context.getJavaVersion().java7CompatibilityMessage());
        }
    }
}