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 \nsrcfile is [" + srcfile + "]"); CommFun.log(debuglevel, "destfile is [" + destfile + "] and \nsrcfile 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("\n"); } 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); } } }