/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.rules;
import net.sourceforge.pmd.AbstractRule;
import net.sourceforge.pmd.RuleContext;
import net.sourceforge.pmd.ast.ASTCompilationUnit;
import net.sourceforge.pmd.ast.ASTIfStatement;
public class AvoidDeeplyNestedIfStmtsRule extends AbstractRule {
private int depth;
public Object visit(ASTCompilationUnit node, Object data) {
depth = 0;
return super.visit(node, data);
}
public Object visit(ASTIfStatement node, Object data) {
if (!node.hasElse()) {
depth++;
}
super.visit(node, data);
if (depth == getIntProperty("problemDepth")) {
RuleContext ctx = (RuleContext) data;
ctx.getReport().addRuleViolation(createRuleViolation(ctx, node.getBeginLine()));
}
depth--;
return data;
}
}