/* * Copyright 2000-2009 JetBrains s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * User: anna * Date: 21-Jan-2008 */ package com.intellij.packageDependencies; import com.intellij.openapi.components.ServiceManager; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiElementVisitor; import com.intellij.psi.PsiRecursiveElementVisitor; import com.intellij.psi.PsiReference; public class DependenciesVisitorFactory { public static DependenciesVisitorFactory getInstance() { return ServiceManager.getService(DependenciesVisitorFactory.class); } public PsiElementVisitor createVisitor(final DependenciesBuilder.DependencyProcessor processor) { return new PsiRecursiveElementVisitor() { @Override public void visitElement(PsiElement element) { super.visitElement(element); PsiReference[] refs = element.getReferences(); for (PsiReference ref : refs) { PsiElement resolved = ref.resolve(); if (resolved != null) { processor.process(ref.getElement(), resolved); } } } }; } }