makelicense.java

java 写的一个新闻发布系统

//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//                 . . . i n   j a h i a   w e   t r u s t . . .
//

package org.jahia.tools;

import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Random;

import java.util.zip.CRC32;

/**
 *
 * @version 1.0
 */
public class MakeLicense
{
    private static final String LICENSE_TYPE_OPTION 				= "-licenseType";
    private static final String PAGE_LIMIT_OPTION 			        = "-pageLimit";
    private static final String PAGE_TEMPLATE_LIMIT_OPTION 			= "-templateLimit";
    private static final String USER_LIMIT_OPTION 				= "-userLimit";
    private static final String SITE_LIMIT_OPTION 				= "-siteLimit";
    private static final String LICENSE_ID_OPTION 				= "-licenseID";
    private static final String BUILD_OPTION 					= "-build";
    private static final String RELEASE_NUMBER_OPTION 				= "-release";
    private static final String FILENAME_OPTION                                 = "-filename";
    private static final String HELP_OPTION 					= "-help";

    private static final int    LICENSE_TYPE_OPTION_DEFAULT        	= 1; // OPENJODA
    private static final int    PAGE_LIMIT_OPTION_DEFAULT          	= 5;
    private static final int    PAGE_TEMPLATE_LIMIT_OPTION_DEFAULT 	= 2;
    private static final int    USER_LIMIT_OPTION_DEFAULT          	= 5;
    private static final int    SITE_LIMIT_OPTION_DEFAULT          	= 1;
    private static final String LICENSE_ID_OPTION_DEFAULT			= "undefined";
    private static final int    BUILD_OPTION_DEFAULT               	= 0;
    private static final double RELEASE_NUMBER_DEFAULT             	= 0.0;

    private static final String LICENSE_DEFAULT_FILENAME 			= "jahia.license";

    private static final String CHAR_ENC		 			= "UTF-16";


    //-------------------------------------------------------------------------
    public static void main (String args[])
    {
        System.out.println ("\nLicense key generator, version 1.0");
        System.out.println ("(c) Jahia Ltd 2002\n\n");

        // if no parameters are specified, display the tool usage.
        if ((args.length > 0) && (HELP_OPTION.equals (args[0]))) {
            DisplayHelp ();
            return;
        }

        // set the default values
        int licenseType			= LICENSE_TYPE_OPTION_DEFAULT;
        int pageLimit           = PAGE_LIMIT_OPTION_DEFAULT;
        int pageTemplateLimit   = PAGE_TEMPLATE_LIMIT_OPTION_DEFAULT;
        int userLimit           = USER_LIMIT_OPTION_DEFAULT;
        int siteLimit           = SITE_LIMIT_OPTION_DEFAULT;
        String licenseID		= LICENSE_ID_OPTION_DEFAULT;
        int buildNumber         = BUILD_OPTION_DEFAULT;
        String fileName         = LICENSE_DEFAULT_FILENAME;
        double releaseNumber    = RELEASE_NUMBER_DEFAULT;


        // parse the parameters
        int index = 0;
        while (index <= args.length-1)
        {
            // GET THE LICENSE TYPE
            if (LICENSE_TYPE_OPTION.equals (args[index]))
            {
                index++;
                if (index <= args.length-1) {
                    licenseType = parseInteger (LICENSE_TYPE_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+LICENSE_TYPE_OPTION+
                                        " without value!");
                    return;
                }

            // GET THE PAGE LIMIT
            } else if (PAGE_LIMIT_OPTION.equals (args[index]))
            {
                index++;
                if (index <= args.length-1) {
                    pageLimit = parseInteger (PAGE_LIMIT_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+PAGE_TEMPLATE_LIMIT_OPTION+
                                        " without value!");
                    return;
                }

            // GET THE PAGE TEMPALATE LIMIT
            } else if (PAGE_TEMPLATE_LIMIT_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    pageTemplateLimit = parseInteger (PAGE_TEMPLATE_LIMIT_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+PAGE_TEMPLATE_LIMIT_OPTION+
                                        " without value!");
                    return;
                }

            // GET THE USER LIMIT
            } else if (USER_LIMIT_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    userLimit = parseInteger (USER_LIMIT_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+ USER_LIMIT_OPTION +
                                        " without value!");
                    return;
                }

            // GET THE SITE LIMIT
            } else if (SITE_LIMIT_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    siteLimit = parseInteger (SITE_LIMIT_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+ SITE_LIMIT_OPTION +
                                        " without value!");
                    return;
                }

            // GET THE LICENSE ID
            } else if (LICENSE_ID_OPTION.equals (args[index]))
            {
                index++;
                if (index <= args.length-1) {
                    licenseID = args[index];
                } else {
                    System.out.println ("Error: option "+LICENSE_ID_OPTION+
                                        " without value!");
                    return;
                }

            // GET THE BUILD NUMBER
            } else if (BUILD_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    buildNumber = parseInteger (BUILD_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+ BUILD_OPTION +
                                        " without value!");
                    return;
                }

            // GET THE RELEASE NUMBER
            } else if (RELEASE_NUMBER_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    releaseNumber = parseDouble (RELEASE_NUMBER_OPTION, args[index]);
                } else {
                    System.out.println ("Error: option "+ RELEASE_NUMBER_OPTION +
                                        " without value!");
                    return;
                }

            // GET THE FILENAME
            } else if (FILENAME_OPTION.equals (args[index])) {
                index++;
                if (index <= args.length-1) {
                    fileName = args[index];
                } else {
                    System.out.println ("Error: option "+ FILENAME_OPTION +
                                        " without value!");
                    return;
                }

            // ALL OTHER OPTION ARE ERRORS :o)
            } else {
                System.out.println ("Error: ["+args[index]+"] is not a valid option.\n");
                return;
            }
            index++;
        } // while

        System.out.println ("License details :");

        System.out.println ("  license type         = " +
            ((licenseType == -1) ? "all" : Integer.toString(licenseType)));

        System.out.println ("  page limit           = " +
            ((pageLimit == -1) ? "unlimited" : Integer.toString(pageLimit)));

        System.out.println ("  page template limit  = " +
            ((pageTemplateLimit == -1) ? "unlimited" : Integer.toString(pageTemplateLimit)));

        System.out.println ("  user limit           = " +
            ((userLimit == -1) ? "unlimited" : Integer.toString(userLimit)));

        System.out.println ("  site limit           = " +
            ((siteLimit == -1) ? "unlimited" : Integer.toString(siteLimit)));

        System.out.println ("  license id           = " + licenseID);

        System.out.println ("  build number         = " +
            ((buildNumber == -1) ? "-all build numbers-"
                                 : Integer.toString(buildNumber)));

        System.out.println ("  release number       = " +
            ((releaseNumber == -1.0) ? "-all releases-"
                                     : Double.toString(releaseNumber)));

        System.out.println ("  file name            = " + fileName);


        System.out.println ("");

        // create the random generator
        Random random = new Random();
        byte[] bytes;

        // create the raw byte stream
        try {
            ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
            DataOutputStream outputStream = new DataOutputStream (byteStream);

            // write the license type to the string
            addJunkBytes (outputStream, random);
            outputStream.writeInt (licenseType);

            // write the page limit to the string
            addJunkBytes (outputStream, random);
            outputStream.writeInt (pageLimit);

            // write the page template limit to the string
            addJunkBytes (outputStream, random);