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| package net.sourceforge.pmd.rules; |
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| import net.sourceforge.pmd.AbstractRule; |
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| import net.sourceforge.pmd.ast.ASTCompilationUnit; |
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| import net.sourceforge.pmd.ast.ASTIfStatement; |
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| public class AvoidDeeplyNestedIfStmtsRule extends AbstractRule { |
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| private int depth; |
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| public Object visit(ASTCompilationUnit node, Object data) {
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| depth = 0;
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| return super.visit(node, data);
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| } |
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| public Object visit(ASTIfStatement node, Object data) {
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| if (!node.hasElse()) {
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| depth++;
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| } |
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| super.visit(node, data);
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| if (depth == getIntProperty("problemDepth")) {
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| addViolation(data, node);
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| } |
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| depth--;
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| return data;
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| } |
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| } |
