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

Example 21 with MethodInvocationTree

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

the class MethodInvocationTreeImplTest method symbol_should_be_set.

@Test
public void symbol_should_be_set() {
    CompilationUnitTree cut = createTree("class A { void foo(){} void bar(){foo();} }");
    ClassTree classTree = (ClassTree) cut.types().get(0);
    Symbol.MethodSymbol declaration = ((MethodTree) classTree.members().get(0)).symbol();
    StatementTree statementTree = ((MethodTree) classTree.members().get(1)).block().body().get(0);
    MethodInvocationTree mit = (MethodInvocationTree) ((ExpressionStatementTree) statementTree).expression();
    assertThat(mit.symbol()).isSameAs(declaration);
    assertThat(mit.arguments()).isNotNull();
    assertThat(mit.arguments().openParenToken()).isNotNull();
    assertThat(mit.arguments().closeParenToken()).isNotNull();
}

Example 22 with MethodInvocationTree

use of org.sonar.plugins.java.api.tree.MethodInvocationTree 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);
    }
}

Example 23 with MethodInvocationTree

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

the class RedundantTypeCastCheck method targetType.

@CheckForNull
private static Type targetType(TypeCastTree tree) {
    Tree parent = skipParentheses(tree.parent());
    Type target = null;
    if (parent.is(Tree.Kind.RETURN_STATEMENT)) {
        Tree method = parent;
        while (!method.is(Tree.Kind.METHOD, Tree.Kind.LAMBDA_EXPRESSION)) {
            method = method.parent();
        }
        target = method.is(Tree.Kind.LAMBDA_EXPRESSION) ? null : ((MethodJavaType) ((MethodTree) method).symbol().type()).resultType();
    } else if (parent.is(Tree.Kind.VARIABLE)) {
        VariableTree variableTree = (VariableTree) parent;
        target = variableTree.symbol().type();
    } else if (parent.is(Tree.Kind.METHOD_INVOCATION)) {
        MethodInvocationTree mit = (MethodInvocationTree) parent;
        if (mit.symbol().isMethodSymbol()) {
            JavaSymbol.MethodJavaSymbol sym = (JavaSymbol.MethodJavaSymbol) mit.symbol();
            int castArgIndex = mit.arguments().indexOf(tree);
            target = sym.parameterTypes().get(castArgIndex);
        }
    } else if (parent.is(Tree.Kind.MEMBER_SELECT, Tree.Kind.CONDITIONAL_EXPRESSION)) {
        target = tree.type().symbolType();
    } else if (parent.is(Tree.Kind.ARRAY_ACCESS_EXPRESSION)) {
        target = ((ArrayAccessExpressionTree) parent).expression().symbolType();
    } else if (parent instanceof ExpressionTree) {
        target = ((ExpressionTree) parent).symbolType();
    }
    return target;
}

Example 24 with MethodInvocationTree

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

the class OverwrittenKeyCheck method isMapPut.

@CheckForNull
private static CollectionAndKey isMapPut(StatementTree statementTree) {
    if (statementTree.is(Tree.Kind.EXPRESSION_STATEMENT)) {
        ExpressionTree expression = ((ExpressionStatementTree) statementTree).expression();
        if (expression.is(Tree.Kind.METHOD_INVOCATION) && MAP_PUT.matches((MethodInvocationTree) expression)) {
            MethodInvocationTree mapPut = (MethodInvocationTree) expression;
            Symbol collection = mapPut.methodSelect().is(Tree.Kind.MEMBER_SELECT) ? symbolFromIdentifier(((MemberSelectExpressionTree) mapPut.methodSelect()).expression()) : null;
            ExpressionTree keyTree = mapPut.arguments().get(0);
            Object key = extractKey(keyTree);
            if (collection != null && key != null) {
                return new CollectionAndKey(collection, keyTree, key, false, null);
            }
        }
    }
    return null;
}

Example 25 with MethodInvocationTree

use of org.sonar.plugins.java.api.tree.MethodInvocationTree 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());
        }
    }
}