configuration2 使用

最新推荐文章于 2025-06-09 11:01:05 发布

moonpure

最新推荐文章于 2025-06-09 11:01:05 发布

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本文链接：https://blog.youkuaiyun.com/moonpure/article/details/82380502

本文介绍了一种自定义配置文件加载器的实现方法，该加载器能够从核心配置文件中读取路径列表，并根据这些路径加载不同类型的配置文件（如XML、XPath XML和Properties）。此外，还提供了文件热更新的支持。

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import org.apache.commons.configuration.reloading.FileChangedReloadingStrategy;
import org.apache.commons.configuration.reloading.ReloadingStrategy;
import org.apache.commons.configuration2.CompositeConfiguration;
import org.apache.commons.configuration2.XMLConfiguration;
import org.apache.commons.configuration2.builder.fluent.Configurations;
import org.apache.commons.configuration2.tree.xpath.XPathExpressionEngine;

import java.util.List;

/**
* 自定义读取配置文件
* Created by qijunhuang on 2017/7/20.
*/
public enum ConfigSingleton {
INSTANCE;
public CompositeConfiguration getConfig(String coreStr, String listkey) {
//读总配置文件
try {

Configurations configs = new Configurations();
XMLConfiguration config = configs.xml(coreStr);
if (config == null) {
return null;
}
CompositeConfiguration readConfigs=new CompositeConfiguration();
// ReloadingStrategy strategy = new FileChangedReloadingStrategy();
// readConfigs.setReloadingStrategy(strategy);
List<String> paths = config.getList(String.class, listkey);
if(paths==null||paths.size()<=0)
{
return readConfigs;
}
for(String fileName:paths) {
String fileType = fileName.substring(fileName.lastIndexOf(".")+1, fileName.length());
switch (fileType)
{
case "xml":
XMLConfiguration xmlc=configs.xml(fileName);
readConfigs.addConfiguration(xmlc,true);
break;
case "xpath":
XMLConfiguration xmlxpath=configs.xml(fileName);
xmlxpath.setExpressionEngine(new XPathExpressionEngine());
readConfigs.addConfiguration(xmlxpath,true);
break;
case "properties":
readConfigs.addConfiguration(configs.properties(fileName),true);
break;
}