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

Example 16 with NewClassTree

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

the class TooManyMethodsCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    ClassTree classTree = (ClassTree) tree;
    List<Tree> methods = classTree.members().stream().filter(member -> member.is(Tree.Kind.METHOD, Tree.Kind.CONSTRUCTOR) && (countNonPublic || ((MethodTree) member).symbol().isPublic())).collect(Collectors.toList());
    if (shouldNotReportIssue(classTree, methods)) {
        return;
    }
    List<JavaFileScannerContext.Location> secondary = methods.stream().map(element -> new JavaFileScannerContext.Location("Method + 1", element)).collect(Collectors.toList());
    String classDescription;
    if (classTree.simpleName() == null) {
        classDescription = "Anonymous class \"" + ((NewClassTree) classTree.parent()).identifier().symbolType().name() + "\"";
    } else {
        classDescription = classTree.declarationKeyword().text() + " \"" + classTree.simpleName() + "\"";
    }
    reportIssue(ExpressionsHelper.reportOnClassTree(classTree), String.format("%s has %d%s methods, which is greater than the %d authorized. Split it into smaller classes.", classDescription, methods.size(), countNonPublic ? "" : " public", maximumMethodThreshold), secondary, null);
}

Example 17 with NewClassTree

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

the class ThreadAsRunnableArgumentCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    List<ExpressionTree> arguments;
    Symbol methodSymbol;
    if (tree.is(Kind.NEW_CLASS)) {
        NewClassTree nct = (NewClassTree) tree;
        methodSymbol = nct.constructorSymbol();
        arguments = nct.arguments();
    } else {
        MethodInvocationTree mit = (MethodInvocationTree) tree;
        methodSymbol = mit.symbol();
        arguments = mit.arguments();
    }
    if (!arguments.isEmpty() && methodSymbol.isMethodSymbol()) {
        checkArgumentsTypes(arguments, (MethodJavaSymbol) methodSymbol);
    }
}

Example 18 with NewClassTree

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

the class ThreadLocalWithInitialCheck method onConstructorFound.

@Override
protected void onConstructorFound(NewClassTree newClassTree) {
    ClassTree classTree = newClassTree.classBody();
    if (classTree == null) {
        return;
    }
    List<Tree> members = classTree.members();
    if (members.size() != 1) {
        return;
    }
    members.stream().filter(tree -> tree.is(Tree.Kind.METHOD)).map(t -> ((MethodTree) t)).filter(t -> "initialValue".equals(t.simpleName().name())).filter(t -> t.parameters().isEmpty()).findFirst().ifPresent(t -> reportIssue(newClassTree.identifier(), "Replace this anonymous class with a call to \"ThreadLocal.withInitial\"." + context.getJavaVersion().java8CompatibilityMessage()));
}

Example 19 with NewClassTree

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

the class ThreadOverridesRunCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    ClassTree classTree = (ClassTree) tree;
    Symbol.TypeSymbol classSymbol = classTree.symbol();
    if (classSymbol != null && isDirectSubtypeOfThread(classSymbol) && !overridesRunMethod(classSymbol) && !hasConstructorCallingSuperWithRunnable(classTree)) {
        Tree report = classTree.simpleName();
        Tree parent = classTree.parent();
        if (parent.is(Tree.Kind.NEW_CLASS)) {
            NewClassTree newClassTree = (NewClassTree) parent;
            if (hasRunnableArgument(newClassTree.arguments())) {
                // will call the super constructor setting a runnable which will be executed by the run() method
                return;
            }
            report = newClassTree.identifier();
        }
        reportIssue(report, "Don't extend \"Thread\", since the \"run\" method is not overridden.");
    }
}

Example 20 with NewClassTree

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

the class ClassWithoutHashCodeInHashStructureCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    Type type = ((NewClassTree) tree).symbolType();
    if (type instanceof ParametrizedTypeJavaType && useHashDataStructure(type)) {
        ParametrizedTypeJavaType ptt = (ParametrizedTypeJavaType) type;
        Symbol.TypeSymbol symbol = ptt.substitution(ptt.typeParameters().get(0)).symbol();
        if (implementsEquals(symbol) && !implementsHashCode(symbol)) {
            reportIssue(tree, "Add a \"hashCode()\" method to \"" + symbol.name() + "\" or remove it from this hash.");
        }
    }
}