配置相关的一些辅助类

package com.opslab.util;

import org.apache.log4j.Logger;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.Properties;

/**
* 配置相关的一些辅助类
*/
public class ConfigUtil {

private static Logger logger = Logger.getLogger(ConfigUtil.class);

/**
* 获取配置文件资源
*
* @return
*/
public static URL findAsResource(final String path) {
URL url = null;

ClassLoader contextClassLoader = ClassUtil.getContextClassLoader();
if (contextClassLoader != null) {
url = contextClassLoader.getResource(path);
}
if (url != null)
return url;

url = ConfigUtil.class.getClassLoader().getResource(path);
if (url != null)
return url;

url = ClassLoader.getSystemClassLoader().getResource(path);

return url;
}

/**
* @param path
* @return
*/
public static String resourcePath(final String path) {
URL asResource = findAsResource(path);
return new File(asResource.getFile()).getPath();
}

private static InputStream getConfigStream(final String path) throws RuntimeException {
try {
URL url = new URL(path);
return url.openStream();
} catch (IOException e) {
throw new RuntimeException("Unable to open config file: " + path);
}
}

/**
* 获取资源流
*
* @param path
* @return
* @throws IOException
*/
private static InputStream resourceStream(final String path) throws IOException {
URL asResource = findAsResource(path);
return asResource.openStream();
}

/**
* 获取资源属性
*
* @param path
* @return
* @throws IOException
*/
public static Properties getConfigProperties(String path) throws IOException {
Properties properties = new Properties();
properties.load(resourceStream(path));
return properties;
}

}