com.aspire.nm.component.commonUtil.constants.ConstantConfig Maven / Gradle / Ivy

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package com.aspire.nm.component.commonUtil.constants;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import com.aspire.nm.component.commonUtil.file.FileUtil;

public class ConstantConfig {
	
	private static Map propertiesMap = new HashMap();
	private static Map contentMap = new HashMap();
	

	/**
     * 获取classPath下 properties
     * @param path classPath下资源文件的相对路径
     * @return
     */
	public static Properties getProperties(String path){
	    if(propertiesMap.get(path) == null){
            Properties properties = new Properties();
            ClassLoader  loader  =  Thread.currentThread().getContextClassLoader(); 
            try {
                properties.load(new InputStreamReader(loader.getResourceAsStream(path), "UTF-8"));
            } catch (IOException e) {
                return null;
            }
            propertiesMap.put(path, properties);
        }
        return propertiesMap.get(path);
    }
	
	/**
	 * 获取classPath下 properties资源文件的value
	 * @param path classPath下资源文件的相对路径
	 * @param key 资源文件的key
	 * @return
	 */
    public static String getPropertiesValue(String path,String key){
        if(propertiesMap.get(path) == null){
            Properties properties = new Properties();
            ClassLoader  loader  =  Thread.currentThread().getContextClassLoader(); 
            try {
                properties.load(new InputStreamReader(loader.getResourceAsStream(path), "UTF-8"));
            } catch (IOException e) {
                return null;
            }
            propertiesMap.put(path, properties);
        }
        return propertiesMap.get(path).getProperty(key);
    }
	
    
    /**
     * 获取classPath下 资源文件的内容
     * @param path classPath下资源文件的相对路径
     * @return
     */
    public static String getContentValue(String path){
        if(contentMap.get(path) == null){
            try {
                contentMap.put(path, FileUtil.getContentFromClassPath(path));
            } catch (IOException e) {
                return null;
            }
        }
        return contentMap.get(path);
    }
    
    
    /**
     * 获取classPath下 资源文件的内容,无缓存
     * @param path classPath下资源文件的相对路径
     * @return
     */
    public static String getContentValueUnCache(String path){
        try {
            return FileUtil.getContentFromClassPath(path);
        } catch (IOException e) {
            return null;
        }
    }
}