MyEclipse过期但能用的解决方法

淩亂°似流年 2022-10-01 04:47 111阅读 0赞

import java.io.\*;

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, "0");         
    
                                                    System.out.println("Serial:" + res);         
    
                                                    reader.readLine();         
    
                                            } catch (IOException ex) {         
    
                                            }         
    
                                    }         
    
                            }