ConfigFileUtil读写操作

package com.citic.util.comm;

import java.io.*;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.Map.Entry;

import com.citic.util.comm.*;

public class ConfigFileUtil implements IConstants{
    private String dataFilepath;
    private static Properties property;
    private static File flname;
    private static File dflname;
    private static Map<String, String> hm = new LinkedHashMap<String, String>();
    private static ConfigFileUtil cfgu;
    /******************************/
    //只能使用0,不能改为其它,请注意,否则
    //,则会和CommFun中的调用形成循环,此两个基础过程慎改
    //张明伟 20170518
    private static final int debuglevel=0;
    /******************************/
    /*
     * 由于暂时未实现对数据
     * 如果当前目录未有配置文件数据,则直接在当前目录下生成
     * 此类中要防止方法嵌套调用
     */
    private ConfigFileUtil(){
        if (0 == hm.size()) {
            InputStream in=null;
            String fl = File.separator+config;
            String destfile = System.getProperty("user.dir").trim() + fl;
            String srcfile ;//= (this.getClass().getResource(File.separator).getPath() + fl).substring(1);
//            srcfile = (this.getClass().getResource("/").getPath()+fl).substring(1);
            srcfile = ClassLoader.class.getResource("/"+config).getPath();
            System.out.println("destfile is [" + destfile+ "] and 
srcfile is [" + srcfile + "]");
            CommFun.log(debuglevel, "destfile is [" + destfile
                    + "] and 
srcfile is [" + srcfile + "]");
            flname = new File(srcfile);
            dflname = new File(destfile);
            CommFun.log(debuglevel,"flname " + flname.getPath() + "");
            CommFun.log(debuglevel,"flname " + flname.length() + "");
            // 如果项目下文件不存丰或者文件少于120字节或者项目下文件创建时间比原文件晚，需要重新拷贝
            try {
                System.out.println(flname.length());
                System.out.println(dflname.length());
                System.out.println(dflname.exists());
                System.out.println(new Date(flname.lastModified()));
                System.out.println(new Date(dflname.lastModified()));
                boolean needcrtflag=false;
                if (!dflname.exists() || dflname.length() < 120
                        || flname.lastModified() > dflname.lastModified()) {
//                    in = this.getClass().getResourceAsStream("/"+configfile);
                    in = ConfigFileUtil.class.getClass().getResourceAsStream("/"+config);
                    FileOperation.propertity2File("/"+config,destfile);
                    needcrtflag=true;
                    CommFun.log(debuglevel,dflname + "is need to create!config file is created!");
                    System.out.println(dflname + "is need to create!config file is created!");
                } else {
                    in = new FileInputStream(System.getProperty("user.dir")+ fl);
                    CommFun.log(debuglevel,""+in+","+in.available());
                    CommFun.log(debuglevel,dflname + "is exists!read from local directory!");
                }
                property = new Properties();
                property.load(in);
            } catch (Exception e) {
                throw new RuntimeException(e);
            } finally{
                try {
                    if(in!=null){
                        in.close();    
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            Iterator itr = property.entrySet().iterator();
            while (itr.hasNext()) {
                Entry e = (Entry) itr.next();
                hm.put(e.getKey().toString().toUpperCase(), e.getValue()
                        .toString());
            }
            // hm.put("dataFilepath", getPath());
            hm.put("osName", System.getProperty("os.name").toLowerCase());
        }
    }
    
    public static synchronized ConfigFileUtil getInstance(){
        if(cfgu==null){
            cfgu=new ConfigFileUtil();
        }
        return cfgu;
    }

    public static String getValue(String key) {
        if (0 == hm.size()) {
            getInstance();
        }
        String vlu = hm.get(key.toUpperCase());
        if(vlu == null || "".equals(vlu)){
            CommFun.log(debuglevel, "配置表中不存在键值为["+key+"]的配置,请检查!");
            //System.out.println("配置表中不存在键值为["+key+"]的配置,请检查!");
        }
        
        try{
            int commentpos=0;
            commentpos=vlu.indexOf("#");
            vlu=vlu.substring(0, commentpos).trim();
        }catch(Exception e){
        }
        return vlu == null || "".equals(vlu) ? "" : vlu;
    }

    /**
     * 设置值的时间不区分大小写
     * @param key
     * @param value
     */
    public static void setValue(String key,String value) {
        if (0 == hm.size()) {
            getInstance();
        }
        if(hm.containsKey(key.toUpperCase())){
            hm.remove(key.toUpperCase());
        }
        hm.put(key.toUpperCase(), value);
        CommFun.log(debuglevel, "key:["+key+"],value:["+getValue(key)+"]");
    }
    
    public String[] getValues() {
        String[] vlus = new String[hm.size()];
        Iterator itr = hm.entrySet().iterator();
        for (int i = 0; itr.hasNext(); i++) {
            Entry e = (Entry) itr.next();
            vlus[i] = e.getKey().toString() + "=" + e.getValue().toString();
        }
        return vlus;
    }

    public String getPathName() {
        return getPathName(null);
    }

    public String getPathName(String dataDate) {
        try {
            String td;
            if ("".equals(dataDate) || dataDate == null) {
                td = new SimpleDateFormat("yyyyMMdd").format(new Date());
            } else {
                td = dataDate;
            }
            String osName = System.getProperty("os.name").toLowerCase();
            if (osName.startsWith("win")) {
                dataFilepath = getValue("DFILEPATH_WIN");
            } else {
                dataFilepath = getValue("DFILEPATH_LIN");
            }
            if("".equals(dataFilepath)||dataFilepath==null){
                //CommFunN.log(1, "路径"+dataFilepath+"不存在,请检查配置文件中!");
                System.out.println("路径"+dataFilepath+"不存在,请检查配置文件中!");
            }
            //CommFunN.log(1, dataFilepath);
            dataFilepath += dataFilepath.lastIndexOf(File.separator)
                    - dataFilepath.length() != 0 ? File.separator : "";
            File fdir = new File(dataFilepath + td + File.separator);
            if (fdir != null && !fdir.exists()) {
                fdir.mkdirs();
            }
            dataFilepath = dataFilepath + td + File.separator;
            //CommFunN.log(dataFilepath);
            return dataFilepath;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    public void initConfigfile1() {
        String fl = config;
        File f = new File(fl);
        FileWriter fw = null;
        try {
            if (f.exists()) {
                System.out.print("配置文件已存在，是否覆盖？(y/n)");
                Scanner scanner = new Scanner(System.in);
                String str = scanner.nextLine().toUpperCase();
                System.out.println("str is [" + str + "]");
                if ("".equals(str) || str == null || "N".equals(str)) {
                    return;
                }
            }
            ConfigFileUtil cfg = new ConfigFileUtil();
            int len = (cfg.getValues()).length;
            System.out.println("len is [" + len + "]");
            String tmpstr = null;
            if (len < 3) {
                return;
            }
            fw = new FileWriter(f);
            for (int i = 0; i < len; i++) {
                tmpstr = cfg.getValues()[i].toString();
                fw.write(tmpstr, 0, tmpstr.length());
                fw.write("
");
            }
            fw.write("#"
                    + new SimpleDateFormat("yyyy年MM月dd日 HH时mm分SS秒")
                            .format(new Date()) + "写入");
            fw.flush();
            fw.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}