initial commit
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chenjinsong
159
src/com/nms/server/common/Config.java
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159
src/com/nms/server/common/Config.java
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package com.nms.server.common;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.net.URL;
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import java.util.Properties;
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import javax.swing.JOptionPane;
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import org.apache.commons.lang.StringUtils;
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import org.apache.log4j.Logger;
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/**
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* 获取和保存myconfig信息的类
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*
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* @author ZGGG3
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*
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*/
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public class Config {
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private static Logger logger = Logger.getLogger(Config.class);
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private static Properties properties;
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private static String url = null;
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public static Config config = Config.getInstance();
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// private static ResourceBundle resource;
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public static String getSystemDir() {
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return System.getProperty("user.dir");
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}
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/**
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* 单例 初始化获取实例
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*
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* @return
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*/
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public static Config getInstance() {
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if (config == null)
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return new Config();
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return config;
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}
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/**
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* 单例 重新读取文件已获取参数
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*
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* @return
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*/
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public static Config reinitialize() {
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config = null;
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return new Config();
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}
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/**
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* 构造函数私有，用于单例实例
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*/
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private Config() {
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//执行参数更新及检查
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ConfigUpdate.getInstance();
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//加载配置文件
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URL urlObj = Config.class.getClassLoader().getResource("myconfig.properties");
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// resource = ResourceBundle.getBundle(DefaultConfig.class.getName());
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if(urlObj==null){
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// JOptionPane.showMessageDialog(null, "未找到参数配文件！\n请运行"+Constants.COMMON_CONFIG_EXE_NAME+"初始化参数配置", "错误", JOptionPane.ERROR_MESSAGE);
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JOptionPane.showMessageDialog(null, "Parameter configuration file not found! \nPlease run "+Constants.COMMON_CONFIG_EXE_NAME+"initialization parameter configuration", "Error", JOptionPane.ERROR_MESSAGE);
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// JOptionPane.showMessageDialog(null, "i18n_server.Config.initConfig_n81i"+Constants.COMMON_CONFIG_EXE_NAME+"i18n_server.Config.initConfig.init_n81i", "i18n_server.Config.error_n81i", JOptionPane.ERROR_MESSAGE);
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System.exit(0);
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}else{
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url = urlObj.getPath().replaceAll("%20", " ");
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}
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properties = new Properties();
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try {
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properties.load(new FileInputStream(url));
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} catch (IOException e) {
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logger.error("Reading properties file error"+"",e);
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}
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}
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/**
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* 根据name获取value
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*
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* @param name
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* @return
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*/
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public static Boolean getBoolan(String name,Boolean defaultValue) {
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try {
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String val = getString(name,defaultValue==null?null:defaultValue.toString());
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return StringUtils.isEmpty(val)? null : Boolean.valueOf(val);
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} catch (Exception e) {
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logger.error("Digital formatting error", e);
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}
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return null;
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}
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/**
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* 根据name获取value
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*
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* @param name
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* @return
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*/
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public static Integer getInteger(String name,Integer defaultValue) {
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try {
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String val = getString(name,defaultValue==null?null:defaultValue.toString());
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return StringUtils.isEmpty(val)? null : Integer.parseInt(val);
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} catch (Exception e) {
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logger.error("Digital formatting error", e);
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}
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return null;
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}
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/**
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* 根据name获取value
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*
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* @param name
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* @return
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*/
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public static String getString(String name,String defaultValue) {
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String str = null;
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/* 获取参数值：先从资源文件取值，如果为空，则从默认参数配置中取值 */
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str = properties.getProperty(name,defaultValue);
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if(StringUtils.isNotEmpty(str)){
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str = str.trim();
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}else{
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logger.warn("Resource configuration file abnormality >> "+name+" Value is empty");
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}
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return str;
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}
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/**
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* 向资源配置文件中添加或更新一个键值对
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*
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* @time Jul 7, 2011-3:52:45 PM
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* @param key
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* @param value
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*/
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public static void setValueByName(String key, String value) {
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// 添加或更新键值对
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properties.setProperty(key, value);
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try {
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// 保存到文件
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if (url != null && !"".equals(url)) {
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String fileName = url.substring(
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url.lastIndexOf(File.separator), url.length());
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properties.store(new FileOutputStream(url), fileName);
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}
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} catch (FileNotFoundException e) {
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logger.error("The properties file Set Value file does not find ERROR "+"",e);
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} catch (IOException e) {
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logger.error("Properties file Set Value set value ERROR"+"",e);
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}
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}
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/*
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// 测试主函数
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public static void main(String[] args) {
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Config cfg=new Config();
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String oid="mission.file.download.dir";
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System.out.println("---------"+cfg.getString(oid));
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}
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*/
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}
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