case-study/refaktor-before/src/no/uio/ifi/refaktor/analyze/checkers/InstantiationOfNonStaticInnerClassChecker.java

   1 package no.uio.ifi.refaktor.analyze.checkers;
   2
   3 import no.uio.ifi.refaktor.analyze.CollectorManager;
   4 import no.uio.ifi.refaktor.analyze.collectors.PropertyCollector;
   5 import no.uio.ifi.refaktor.analyze.exceptions.IllegalExpressionFoundException;
   6 import no.uio.ifi.refaktor.analyze.exceptions.IllegalStatementFoundException;
   7 import no.uio.ifi.refaktor.textselection.CompilationUnitTextSelection;
   8
   9 import org.eclipse.jdt.core.dom.ClassInstanceCreation;
  10 import org.eclipse.jdt.core.dom.ITypeBinding;
  11 import org.eclipse.jdt.core.dom.Modifier;
  12
  13 // TODO: file bug report
  14 class InstantiationOfNonStaticInnerClassChecker extends PropertyCollector implements Checker {
  15
  16         public InstantiationOfNonStaticInnerClassChecker(CompilationUnitTextSelection selection) {
  17                 super(selection);
  18         }
  19
  20         @Override
  21         public boolean visit(ClassInstanceCreation node) {
  22                 if (!nodeInSelection(node))
  23                         return false;
  24
  25                 if (typeIsNonStaticInnerClass(node))
  26                         throw new IllegalExpressionFoundException(node);
  27
  28                 return true;
  29         }
  30
  31         private boolean typeIsNonStaticInnerClass(ClassInstanceCreation node) {
  32                 ITypeBinding typeBinding = node.getType().resolveBinding();
  33                 assert typeBinding != null;
  34                 return typeBinding.isMember() && !Modifier.isStatic(typeBinding.getModifiers());
  35         }
  36
  37         @Override
  38         public void check() throws IllegalStatementFoundException, IllegalExpressionFoundException {
  39                 CollectorManager.collectProperties(selection, this);
  40         }
  41
  42         @Override
  43         public void clearData() {
  44         }
  45
  46 }