配置文件工具类

package com.caiex.global;

import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;

import org.apache.log4j.Logger;
import org.springframework.core.io.DefaultResourceLoader;

/**
* 加载配置文件中的所有配置，统一管理应用的属性，获取配置时调用静态的$方法获取属性值
*
* @author wsy
*
*/
public class ConfigProperties {

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

private static Map<String, String> propertiesMap = new HashMap<String, String>();
static {
Properties properties = new Properties();
try {
properties.load(new DefaultResourceLoader().getResource("classpath:config.properties").getInputStream());
} catch (IOException e) {
logger.fatal("配置文件读取异常");
throw new RuntimeException("配置文件读取异常");
}
Iterator<Entry<Object, Object>> it = properties.entrySet().iterator();
while (it.hasNext()) {
Entry<Object, Object> entry = it.next();
propertiesMap.put((String) entry.getKey(), (String) entry.getValue());
}
}

/**
* 获取相应key值对应的属性值
*
* @param key
* @return
*/
public static String $(String key) {

return propertiesMap.get(key);
}
}