MyEclipse的生成码代码

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class MyEclipseGen {
 private static final String LL = "Decompiling this copyrighted software "
   + "is a violation of both your license agreement and the Digital Millenium "
   + "Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). "
   + "Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up "
   + "to five years imprisonment for a first offense. Think about it; pay for a "
   + "license, avoid prosecution, and feel better about yourself.";

 public String getSerial(String userId, String licenseNum) {
  java.util.Calendar cal = java.util.Calendar.getInstance();
  cal.add(1, 3);
  cal.add(6, -1);
  java.text.NumberFormat nf = new java.text.DecimalFormat("000");
  licenseNum = nf.format(Integer.valueOf(licenseNum));
  String verTime = new StringBuilder("-").append(
    new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))
    .append("0").toString();
  String type = "YE3MP-";
  String need = new StringBuilder(userId.substring(0, 1)).append(type)
    .append("300").append(licenseNum).append(verTime).toString();
  String dx = new StringBuilder(need).append(LL).append(userId)
    .toString();
  int suf = this.decode(dx);
  String code = new StringBuilder(need).append(String.valueOf(suf))
    .toString();
  return this.change(code);
 }

 private int decode(String s) {
  int i;
  char[] ac;
  int j;
  int k;
  i = 0;
  ac = s.toCharArray();
  j = 0;
  k = ac.length;
  while (j < k) {
   i = (31 * i) + ac[j];
   j++;
  }
  return Math.abs(i);
 }

 private String change(String s) {
  byte[] abyte0;
  char[] ac;
  int i;
  int k;
  int j;
  abyte0 = s.getBytes();
  ac = new char[s.length()];
  i = 0;
  k = abyte0.length;
  while (i < k) {
   j = abyte0[i];
   if ((j >= 48) && (j <= 57)) {
    j = (((j - 48) + 5) % 10) + 48;
   } else if ((j >= 65) && (j <= 90)) {
    j = (((j - 65) + 13) % 26) + 65;
   } else if ((j >= 97) && (j <= 122)) {
    j = (((j - 97) + 13) % 26) + 97;
   }
   ac[i] = (char) j;
   i++;
  }
  return String.valueOf(ac);
 }

 public MyEclipseGen() {
  super();
 }

 public static void main(String[] args) {
  try {
   System.out.println("please input register name:");
   BufferedReader reader = new BufferedReader(new InputStreamReader(
     System.in));
   String userId = null;
   userId = reader.readLine();
   MyEclipseGen myeclipsegen = new MyEclipseGen();
   String res = myeclipsegen.getSerial(userId, "5");
   System.out.println("Serial:" + res);
   reader.readLine();
  } catch (IOException ex) {

  }
 }
}

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.URL;

public class CheckURL {

public static void main(String args[]) {

String url = "http://taobao.com/home/index.htm";

String hostname = "http://taobao.com";

try {

print(url, hostname);

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

// 从指定url中输出所有指定域名开头的超链接

static void print(String url, String hostname) throws IOException {

long count = pickOut(getSource(url), hostname);

System.out.println("在\"" + url + "\"中共有" + count + "个url的域名是:"

+ hostname);

}

// 从指定源文件(String格式)中输出指定域名开头的所有超链接地址

static long pickOut(String source, String hostname) {

long count = 0L;

String[] all = source.split("\"");

for (int i = 0; i < all.length; i++) {

String temp = all[i];

if (temp.startsWith(hostname)) {

System.out.println(temp);

count++;

}

}

return count;

}

// 由指定url，返回String格式的源文件

static String getSource(String url) throws IOException {

String source = "";

String line = "";

URL _url = new java.net.URL(url);

java.io.InputStream stream = _url.openStream();

BufferedReader reader = new BufferedReader(new InputStreamReader(

stream, "gb2312"));

while ((line = reader.readLine()) != null)

source += line;

return source;

}

}