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 * @since 2.0 034 */ 035public class DefaultReloadingDetectorFactory implements 036 ReloadingDetectorFactory 037{ 038 @Override 039 public ReloadingDetector createReloadingDetector(final FileHandler handler, 040 final FileBasedBuilderParametersImpl params) 041 throws ConfigurationException 042 { 043 final Long refreshDelay = params.getReloadingRefreshDelay(); 044 045 final FileHandlerReloadingDetector fileHandlerReloadingDetector = 046 refreshDelay != null ? new FileHandlerReloadingDetector( 047 handler, refreshDelay) : new FileHandlerReloadingDetector( 048 handler); 049 050 fileHandlerReloadingDetector.refresh(); 051 052 return fileHandlerReloadingDetector; 053 } 054}