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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.ASTClassOrInterfaceDeclaration; |
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| import net.sourceforge.pmd.ast.ASTMethodDeclaration; |
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| import net.sourceforge.pmd.ast.Node; |
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| import net.sourceforge.pmd.symboltable.VariableNameDeclaration; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| import java.util.Map; |
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| public class UnusedFormalParameterRule extends AbstractRule { |
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| public Object visit(ASTMethodDeclaration node, Object data) {
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| if (!node.isPrivate() && !hasProperty("checkall")) {
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| return data;
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| } |
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| if (!node.isNative()) {
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| Node parent = node.jjtGetParent().jjtGetParent().jjtGetParent();
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| if (parent instanceof ASTClassOrInterfaceDeclaration && !((ASTClassOrInterfaceDeclaration)parent).isInterface()) {
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| Map vars = node.getScope().getVariableDeclarations();
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| for (Iterator i = vars.keySet().iterator(); i.hasNext();) {
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| VariableNameDeclaration nameDecl = (VariableNameDeclaration) i.next();
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| if (!((List) vars.get(nameDecl)).isEmpty()) {
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| continue;
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| } |
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| addViolation(data, node, nameDecl.getImage());
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| } |
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| } |
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| } |
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| return data;
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| } |
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| } |