Java tutorial
//package com.java2s; /* * Copyright 2010-2015 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. */ import java.io.File; import java.util.regex.Pattern; public class Main { private static boolean containsTestData(File dir, Pattern filenamePattern) { File[] files = dir.listFiles(); assert files != null; for (File file : files) { if (file.isDirectory()) { if (containsTestData(file, filenamePattern)) { return true; } } else { if (filenamePattern.matcher(file.getName()).matches()) { return true; } } } return false; } }