pubfunc.java

一套完整的工商12315的源程序jsp部分在12315里,后台JAVA部分在gs12315src里,没有打包数据库.

/**
 * PubFunc.java       07/01/2002,
 * Author:
 *
 * Copyright (c) 2002 Censoft Corp.
 * Beijing China
 * All rights reserved.
 *
 * Modifier:
 * Time:
 ***/
package com.gs.util;

import java.io.*;
import java.sql.*;
import java.util.*;
import javax.sql.*;
import com.gs.util.*;

public class PubFunc{
    static private PubFunc instance;
    static private String configfile = " Config";
    static private String endline = "------分隔符------";
    private Properties myProps; //配置文件读取

    //建构造函数防止调用
    private PubFunc(){
    }

    //创建实例
    public static synchronized PubFunc getInstance(){
        if(instance == null){
            instance = new PubFunc();
        }
        return instance;
    }

    //分隔字符串 参数说明:source为要分隔的串，sign为分隔符
    public Enumeration split(String source,String sign){
        Vector ar = new Vector();
        int start = 0;
        String st = source;
        while(true){
            int ipos = st.indexOf(sign);
            if(ipos < 0){
                ar.addElement(st.substring(0));
                break;
            } else{
                ar.addElement(st.substring(0,ipos));
                st = st.substring(ipos + 1);
            }
        }
        return ar.elements();
    }

    //是否包括索引
    public boolean isChecked(String all,int index){
        String s = String.valueOf(index);
        String s1 = "{" + s + " ";
        String s2 = "{" + s + "}";
        String s3 = " " + s + " ";
        String s4 = " " + s + "}";
        if((all.indexOf(s1) >= 0) || (all.indexOf(s2) >= 0) ||
           (all.indexOf(s3) >= 0) || (all.indexOf(s4) >= 0)){
            return true;
        } else{
            return false;
        }
    }

    public static boolean IsNumeric(String s){
        if(Integer.parseInt(s) > 0){
            return true;
        } else{
            return false;
        }
    }

    //删除配制项匹配的记录
    public static boolean delConfItem(String conffile,String item,
                                      String value){
        File f = new File(conffile);
        boolean found = false;
        try{
            if(!f.exists()){
                f.createNewFile();

            }
            deleteFile(conffile + ".bak");
            deleteFile(conffile + ".tmp");
            FileWriter fw = new FileWriter(conffile + ".tmp");
            FileReader cf = new FileReader(conffile);
            BufferedReader is = new BufferedReader(cf);
            String str = is.readLine();
            while(str != null){
                if(str.equals(decodeGB(item + "=" + value))){
                    found = true;
                    str = is.readLine();
                    while((str != null) && (!str.equals(endline))){
                        str = is.readLine();
                    }
                } else{
                    fw.write(str + "\r\n");
                }
                if(str != null){
                    str = is.readLine();
                }
            }
            is.close();
            cf.close();
            fw.close();
            moveFile(conffile,conffile + ".bak");
            moveFile(conffile + ".tmp",conffile);
        } catch(Exception e){
            System.err.println("不能读或写属性文件: " + conffile + " \n");
            return false;
        }
        return found;
    }

    //修改配制项匹配的记录
    public static boolean updateConfItem(String conffile,String condition,
                                         String item,String value){
        if((condition == null) || (condition.equals(""))){
            return writeConf(conffile,item,value);
        }

        value = decodeGB(replace(value,"\r\n","</p><p>"));
        File f = new File(conffile);
        boolean found = false;
        try{
            if(!f.exists()){
                f.createNewFile();

            }
            deleteFile(conffile + ".bak");
            deleteFile(conffile + ".tmp");
            FileWriter fw = new FileWriter(conffile + ".tmp");
            FileReader cf = new FileReader(conffile);
            BufferedReader is = new BufferedReader(cf);
            String str = is.readLine();
            while(str != null){
                if(str.equals(decodeGB(condition))){
                    while((str != null) && (!str.equals(endline))){
                        if(str.startsWith(item + "=",0)){
                            str = item + "=" + value;
                            found = true;
                        }
                        fw.write(str + "\r\n");
                        str = is.readLine();
                    }
                    if(!found){
                        fw.write(item + "=" + value + "\r\n");
                    }
                    found = true;
                    if(str != null){
                        fw.write(str + "\r\n");
                    }
                } else
                if(str != null){
                    fw.write(str + "\r\n");
                }
                if(str != null){
                    str = is.readLine();
                }
            }
            is.close();
            cf.close();
            fw.close();
            moveFile(conffile,conffile + ".bak");
            moveFile(conffile + ".tmp",conffile);
        } catch(Exception e){
            System.err.println("不能读或写属性文件: " + conffile + " \n");
            return false;
        }
        return found;
    }

    //增加配制项
    public static boolean addConfItem(String conffile,String item,
                                      String value){
        value = decodeGB(replace(value,"\r\n","</p><p>"));
        try{
            FileWriter fw = new FileWriter(conffile,true);
            fw.write(item + "=" + value + "\r\n");
            fw.close();
            return true;
        } catch(Exception e){
            return false;
        }
    }

    //增加分隔行
    public static boolean addEndLine(String conffile){
        try{
            FileWriter fw = new FileWriter(conffile,true);
            fw.write(endline + "\r\n");
            fw.close();
            return true;
        } catch(Exception e){
            return false;
        }
    }

    //读配制文件中项的列表
    public static Enumeration getConfList(String conffile,String item){
        Vector ar = new Vector();
        try{
            FileReader cf = new FileReader(conffile);
            BufferedReader is = new BufferedReader(cf);
            String str = is.readLine();
            while(str != null){
                if(str.startsWith(item + "=",0)){
                    str = str.substring(new String(item + "=").length());
                    ar.addElement(encodeGB(str));
                    str = is.readLine();
                } else{
                    str = is.readLine();
                }
            }
            is.close();
            cf.close();
        } catch(Exception ex){
            Debug.println("读文件" + conffile + "出错！" + ex.getMessage());
        }
        return ar.elements();

    }

    //修改配制项匹配的记录
    public String readConfItem(String conffile,String condition,String item){
        if((condition == null) || (condition.equals(""))){
            return readConf(conffile,item);
        }
        String value = "";
        File f = new File(conffile);
        boolean found = false;
        try{
            if(!f.exists()){
                return "";
            }
            FileReader cf = new FileReader(conffile);
            BufferedReader is = new BufferedReader(cf);
            String str = is.readLine();
            while(str != null){
                if(str.equals(decodeGB(condition))){
                    while((str != null) && (!str.equals(endline))){
                        if(str.startsWith(item + "=",0)){
                            found = true;
                            value = str.substring(new String(item + "=").length());
                            str = null; //找到，结束
                        } else{
                            str = is.readLine();
                        }
                    }
                    str = null; //找到，结束
                }
                if(str != null){
                    str = is.readLine();
                }
            }
            is.close();
            cf.close();
        } catch(Exception e){
            System.err.println("不能读属性文件: " + conffile + " \n" + e.getMessage());
            return "";
        }
        return encodeGB(replace(value,"</p><p>","\r\n"));
    }

    //读配制文件的项
    public String readConf(String conffile,String item){
        String ret = "";
        myProps = new Properties();
        try{
            InputStream is = new FileInputStream(conffile);
            myProps.load(is);
            ret = myProps.getProperty(item,"");
            is.close();
        } catch(Exception e){
            System.err.println("不能读取属性文件: " + conffile + " \n");
            return "";
        }

        return replace(ret,"</p><p>","\r\n");

    }

    //写配制文件的项
    public static boolean writeConf(String conffile,String item,String value){

        value = decodeGB(replace(value,"\r\n","</p><p>"));
        File f = new File(conffile);
        boolean found = false;
        try{
            if(!f.exists()){
                f.createNewFile();
            }
            deleteFile(conffile + ".bak");
            deleteFile(conffile + ".tmp");
            FileWriter fw = new FileWriter(conffile + ".tmp");
            FileReader cf = new FileReader(conffile);
            BufferedReader is = new BufferedReader(cf);
            String str = is.readLine();
            while(str != null){
                if(str.startsWith(item + "=",0)){
                    str = item + "=" + value;
                    found = true;
                }
                fw.write(str + "\r\n");
                str = is.readLine();
            }
            if(!found){
                str = item + "=" + value;
                fw.write(str + "\r\n");
            }
            is.close();
            cf.close();
            fw.close();
            Debug.println(item + "=" + value);
            Debug.println("rename file " + conffile + " to " + conffile +
                          ".bak");
            System.out.println(moveFile(conffile,conffile + ".bak"));
            Debug.println("rename file " + conffile + ".tmp to " +
                          conffile);
            System.out.println(moveFile(conffile + ".tmp",conffile));
        } catch(Exception e){
            System.err.println("不能读或写属性文件: " + conffile + " \n");
            return false;
        }
        return true;
    }

    //读config配制文件
    public String readDomainCfg(String confpath,String item){
        String conffile = confpath + "/" + configfile;
        return readConf(conffile,item);
    }

    //读config配制文件
    public String readDomainCfg(String confpath,String item,
                                String defaultvalue){
        String ret = readDomainCfg(confpath,item);
        if((ret == null) || (ret.trim().length() == 0)){
            ret = defaultvalue;
        }
        return ret;
    }

    //写config配置文件
    public static boolean writeDomainCfg(String confpath,String item,
                                         String value){
        String conffile = confpath + "/" + configfile;
        return writeConf(conffile,item,value);
    }

    //读config配制文件
    public String readTemplateCfg(String confpath,String item){
        String conffile = confpath + "/" + configfile;
        return readConf(conffile,item);
    }

    //读config配制文件
    public String readTemplateCfg(String confpath,String item,
                                  String defaultvalue){
        String ret = readTemplateCfg(confpath,item);
        if((ret == null) || (ret.trim().length() == 0)){
            ret = defaultvalue;
        }
        return ret;
    }

    //写config配置文件
    public static boolean writeTemplateCfg(String confpath,String item,
                                           String value){
        String conffile = confpath + "/" + configfile;
        return writeConf(conffile,item,value);
    }

    //文件是否存在
    public static boolean fileExists(String filename){
        File f = new File(filename);
        return f.exists();

    }

    public static boolean folderExists(String path){
        File f = new File(path);
        return f.isDirectory();
    }

    //删除指定的文件
    public static boolean deleteFile(String filename){
        File f = new File(filename);
        return f.delete();
    }