Examples with RuleContext net.sourceforge.pmd.RuleContext used on opensource projects

Example 36 with RuleContext

use of net.sourceforge.pmd.RuleContext in project pmd by pmd.

the class DataflowAnomalyAnalysisRule method addDaaViolation.

/**
 * Adds a daa violation to the report.
 */
private void addDaaViolation(Object data, Node node, String type, String var, int startLine, int endLine) {
    if (!maxNumberOfViolationsReached() && !violationAlreadyExists(type, var, startLine, endLine) && node != null) {
        RuleContext ctx = (RuleContext) data;
        String msg = type;
        if (getMessage() != null) {
            msg = MessageFormat.format(getMessage(), type, var, startLine, endLine);
        }
        DaaRuleViolation violation = new DaaRuleViolation(this, ctx, node, type, msg, var, startLine, endLine);
        ctx.getReport().addRuleViolation(violation);
        daaRuleViolations.add(violation);
        currentRuleViolationCount++;
    }
}

Example 37 with RuleContext

use of net.sourceforge.pmd.RuleContext in project pmd by pmd.

the class PreserveStackTraceRule method visit.

@Override
public Object visit(ASTCatchStatement catchStmt, Object data) {
    String target = catchStmt.jjtGetChild(0).findChildrenOfType(ASTVariableDeclaratorId.class).get(0).getImage();
    // Inspect all the throw stmt inside the catch stmt
    List<ASTThrowStatement> lstThrowStatements = catchStmt.findDescendantsOfType(ASTThrowStatement.class);
    for (ASTThrowStatement throwStatement : lstThrowStatements) {
        Node n = throwStatement.jjtGetChild(0).jjtGetChild(0);
        if (n instanceof ASTCastExpression) {
            ASTPrimaryExpression expr = (ASTPrimaryExpression) n.jjtGetChild(1);
            if (expr.jjtGetNumChildren() > 1 && expr.jjtGetChild(1) instanceof ASTPrimaryPrefix) {
                RuleContext ctx = (RuleContext) data;
                addViolation(ctx, throwStatement);
            }
            continue;
        }
        // Retrieve all argument for the throw exception (to see if the
        // original exception is preserved)
        ASTArgumentList args = throwStatement.getFirstDescendantOfType(ASTArgumentList.class);
        if (args != null) {
            Node parent = args.jjtGetParent().jjtGetParent();
            if (parent instanceof ASTAllocationExpression) {
                // maybe it is used inside a anonymous class
                ck(data, target, throwStatement, parent);
            } else {
                // Check all arguments used in the throw statement
                ck(data, target, throwStatement, throwStatement);
            }
        } else {
            Node child = throwStatement.jjtGetChild(0);
            while (child != null && child.jjtGetNumChildren() > 0 && !(child instanceof ASTName)) {
                child = child.jjtGetChild(0);
            }
            if (child != null) {
                if (child instanceof ASTName && !target.equals(child.getImage()) && !child.hasImageEqualTo(target + FILL_IN_STACKTRACE)) {
                    Map<VariableNameDeclaration, List<NameOccurrence>> vars = ((ASTName) child).getScope().getDeclarations(VariableNameDeclaration.class);
                    for (Map.Entry<VariableNameDeclaration, List<NameOccurrence>> entry : vars.entrySet()) {
                        VariableNameDeclaration decl = entry.getKey();
                        List<NameOccurrence> occurrences = entry.getValue();
                        if (decl.getImage().equals(child.getImage())) {
                            if (!isInitCauseCalled(target, occurrences)) {
                                // Check how the variable is initialized
                                ASTVariableInitializer initializer = decl.getNode().jjtGetParent().getFirstDescendantOfType(ASTVariableInitializer.class);
                                if (initializer != null) {
                                    args = initializer.getFirstDescendantOfType(ASTArgumentList.class);
                                    if (args != null) {
                                        // constructor with args?
                                        ck(data, target, throwStatement, args);
                                    } else if (!isFillInStackTraceCalled(target, initializer)) {
                                        addViolation(data, throwStatement);
                                    }
                                }
                            }
                        }
                    }
                } else if (child instanceof ASTClassOrInterfaceType) {
                    addViolation(data, throwStatement);
                }
            }
        }
    }
    return super.visit(catchStmt, data);
}

Example 38 with RuleContext

use of net.sourceforge.pmd.RuleContext in project pmd by pmd.

the class PreserveStackTraceRule method ck.

private void ck(Object data, String target, ASTThrowStatement throwStatement, Node baseNode) {
    if (!checkForTargetUsage(target, baseNode)) {
        RuleContext ctx = (RuleContext) data;
        addViolation(ctx, throwStatement);
    }
}

Example 39 with RuleContext

use of net.sourceforge.pmd.RuleContext in project pmd by pmd.

the class XPathMetricFunctionTest method getViolations.

private Iterator<RuleViolation> getViolations(Rule rule, String code) throws PMDException {
    PMD p = new PMD();
    RuleContext ctx = new RuleContext();
    Report report = new Report();
    ctx.setReport(report);
    ctx.setSourceCodeFilename("n/a");
    RuleSet rules = new RuleSetFactory().createSingleRuleRuleSet(rule);
    p.getSourceCodeProcessor().processSourceCode(new StringReader(code), new RuleSets(rules), ctx);
    return report.iterator();
}

Example 40 with RuleContext

use of net.sourceforge.pmd.RuleContext in project pmd by pmd.

the class JavaRuleViolationTest method testPackageAndEnumName.

@Test
public void testPackageAndEnumName() {
    ASTCompilationUnit ast = parse("package pkg; import java.util.List; public enum FooE { }");
    ASTImportDeclaration importNode = ast.getFirstDescendantOfType(ASTImportDeclaration.class);
    JavaRuleViolation violation = new JavaRuleViolation(null, new RuleContext(), importNode, null);
    assertEquals("pkg", violation.getPackageName());
    assertEquals("FooE", violation.getClassName());
}