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package com.intellij.structuralsearch.impl.matcher.filters;
import com.intellij.dupLocator.util.NodeFilter;
import com.intellij.psi.*;
/**
* Created by IntelliJ IDEA.
* User: maxim
* Date: 26.12.2003
* Time: 19:23:24
* To change this template use Options | File Templates.
*/
public class DeclarationFilter extends JavaElementVisitor implements NodeFilter {
protected boolean result;
@Override public void visitDeclarationStatement(PsiDeclarationStatement dcl) {
result = true;
}
@Override public void visitVariable(PsiVariable psiVar) {
result = true;
}
@Override public void visitClass(PsiClass psiClass) {
result = true;
}
private static class NodeFilterHolder {
private static final NodeFilter instance = new DeclarationFilter();
}
public static NodeFilter getInstance() {
return NodeFilterHolder.instance;
}
private DeclarationFilter() {
}
public boolean accepts(PsiElement element) {
result = false;
if (element!=null) element.accept(this);
return result;
}
}
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