Clover coverage report - PMD - 3.7
Coverage timestamp: Wed May 31 2006 09:25:59 EDT
file stats: LOC: 31   Methods: 1
NCLOC: 24   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
AvoidReassigningParameters.java 100% 100% 100% 100%
coverage
 1    /**
 2    * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
 3    */
 4    package net.sourceforge.pmd.rules;
 5   
 6    import net.sourceforge.pmd.AbstractRule;
 7    import net.sourceforge.pmd.ast.ASTMethodDeclarator;
 8    import net.sourceforge.pmd.symboltable.NameOccurrence;
 9    import net.sourceforge.pmd.symboltable.VariableNameDeclaration;
 10   
 11    import java.util.Iterator;
 12    import java.util.List;
 13    import java.util.Map;
 14   
 15    public class AvoidReassigningParameters extends AbstractRule {
 16   
 17  9 public Object visit(ASTMethodDeclarator node, Object data) {
 18  9 Map params = node.getScope().getVariableDeclarations();
 19  9 for (Iterator i = params.keySet().iterator(); i.hasNext();) {
 20  9 VariableNameDeclaration decl = (VariableNameDeclaration) i.next();
 21  9 List usages = (List) params.get(decl);
 22  9 for (Iterator j = usages.iterator(); j.hasNext();) {
 23  7 NameOccurrence occ = (NameOccurrence) j.next();
 24  7 if ((occ.isOnLeftHandSide() || occ.isSelfAssignment()) && occ.getNameForWhichThisIsAQualifier() == null && !decl.isArray()) {
 25  4 addViolation(data, decl.getNode(), decl.getImage());
 26    }
 27    }
 28    }
 29  9 return super.visit(node, data);
 30    }
 31    }