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package com.intellij.structuralsearch.impl.matcher.filters;
import com.intellij.dupLocator.util.NodeFilter;
import com.intellij.psi.JavaElementVisitor;
import com.intellij.psi.PsiAnonymousClass;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
/**
* Created by IntelliJ IDEA.
* User: maxim
* Date: 26.12.2003
* Time: 19:37:13
* To change this template use Options | File Templates.
*/
public class ClassFilter extends JavaElementVisitor implements NodeFilter {
protected boolean result;
@Override public void visitAnonymousClass(PsiAnonymousClass psiAnonymousClass) {
result = true;
}
@Override public void visitClass(PsiClass psiClass) {
result = true;
}
private static class NodeFilterHolder {
private static final NodeFilter instance = new ClassFilter();
}
public static NodeFilter getInstance() {
return NodeFilterHolder.instance;
}
private ClassFilter() {
}
public boolean accepts(PsiElement element) {
result = false;
if (element!=null) element.accept(this);
return result;
}
}
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