MyEclipse6.0.1注册机源码

import java.io.*;

public class MyEclipse61Gen {
	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 MyEclipse61Gen() {

	}

	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();
			MyEclipse61Gen myeclipsegen = new MyEclipse61Gen();
			String res = myeclipsegen.getSerial(userId, "20");
			System.out.println("Serial:" + res);
			reader.readLine();
		} catch (IOException ex) {
		}
	}
}

 
昨天重装机后，把开发环境也都进行了升级，而且新安装了MyEclipse6，发现原来MyEclipse5的注册机不能用了，下面是我自己用的注册机源码，分享给大家，一起学习、交流，共同提高。

package myeclipsegen;

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, "20");
            System.out.println("Serial:" + res);
            reader.readLine();
        } catch (IOException ex) ...{
        }
    }
}