001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.configuration2.builder; 018 019import org.apache.commons.configuration2.ex.ConfigurationException; 020import org.apache.commons.configuration2.io.FileHandler; 021import org.apache.commons.configuration2.reloading.FileHandlerReloadingDetector; 022import org.apache.commons.configuration2.reloading.ReloadingDetector; 023 024/** 025 * <p> 026 * A default implementation of the {@code ReloadingDetectorFactory} interface. 027 * </p> 028 * <p> 029 * This factory creates objects of type {@link FileHandlerReloadingDetector}. 030 * Instances have no state and can be shared between multiple builders. 031 * </p> 032 * 033 * @version $Id: DefaultReloadingDetectorFactory.java 1842194 2018-09-27 22:24:23Z ggregory $ 034 * @since 2.0 035 */ 036public class DefaultReloadingDetectorFactory implements 037 ReloadingDetectorFactory 038{ 039 @Override 040 public ReloadingDetector createReloadingDetector(final FileHandler handler, 041 final FileBasedBuilderParametersImpl params) 042 throws ConfigurationException 043 { 044 final Long refreshDelay = params.getReloadingRefreshDelay(); 045 046 final FileHandlerReloadingDetector fileHandlerReloadingDetector = 047 (refreshDelay != null) ? new FileHandlerReloadingDetector( 048 handler, refreshDelay) : new FileHandlerReloadingDetector( 049 handler); 050 051 fileHandlerReloadingDetector.refresh(); 052 053 return fileHandlerReloadingDetector; 054 } 055}