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1 package net.sourceforge.pmd.rules; 2 3 import net.sourceforge.pmd.AbstractRule; 4 import net.sourceforge.pmd.RuleContext; 5 import net.sourceforge.pmd.ast.ASTUnmodifiedClassDeclaration; 6 import net.sourceforge.pmd.symboltable.VariableNameDeclaration; 7 8 import java.text.MessageFormat; 9 import java.util.Iterator; 10 11 public class UnusedPrivateFieldRule extends AbstractRule { 12 13 public Object visit(ASTUnmodifiedClassDeclaration node, Object data) { 14 for (Iterator i = node.getScope().getVariableDeclarations(false).keySet().iterator(); i.hasNext();) { 15 VariableNameDeclaration decl = (VariableNameDeclaration) i.next(); 16 if (decl.getAccessNodeParent().isPrivate() && !decl.getImage().equals("serialVersionUID") && !decl.getImage().equals("serialPersistentFields") && !decl.getImage().equals("IDENT")) { 17 RuleContext ctx = (RuleContext) data; 18 ctx.getReport().addRuleViolation(createRuleViolation(ctx, decl.getLine(), MessageFormat.format(getMessage(), new Object[]{decl.getImage()}))); 19 } 20 } 21 return super.visit(node, data); 22 } 23 24 }

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