1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.configuration2.builder;
18
19 import org.apache.commons.configuration2.ex.ConfigurationException;
20 import org.apache.commons.configuration2.io.FileHandler;
21 import org.apache.commons.configuration2.reloading.FileHandlerReloadingDetector;
22 import org.apache.commons.configuration2.reloading.ReloadingDetector;
23
24 /**
25 * <p>
26 * A default implementation of the {@code ReloadingDetectorFactory} interface.
27 * </p>
28 * <p>
29 * This factory creates objects of type {@link FileHandlerReloadingDetector}. Instances have no state and can be shared
30 * between multiple builders.
31 * </p>
32 *
33 * @since 2.0
34 */
35 public class DefaultReloadingDetectorFactory implements ReloadingDetectorFactory {
36 @Override
37 public ReloadingDetector createReloadingDetector(final FileHandler handler, final FileBasedBuilderParametersImpl params) throws ConfigurationException {
38 final Long refreshDelay = params.getReloadingRefreshDelay();
39
40 final FileHandlerReloadingDetector fileHandlerReloadingDetector = refreshDelay != null ? new FileHandlerReloadingDetector(handler, refreshDelay)
41 : new FileHandlerReloadingDetector(handler);
42
43 fileHandlerReloadingDetector.refresh();
44
45 return fileHandlerReloadingDetector;
46 }
47 }