Here you can find the source of isJsonFile(Path filePath)
private static boolean isJsonFile(Path filePath)
//package com.java2s; /*// ww w. java 2s . co m * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.nio.file.Files; import java.nio.file.Path; public class Main { private static final String JSON_EXT = ".json"; private static boolean isJsonFile(Path filePath) { return (Files.isRegularFile(filePath) && filePath.toString().toLowerCase().endsWith(JSON_EXT)); } }