issn.java

遗传算法改进神经网络源程序 该小程序可以添加条形码功能到你的网页或者applet上,这个applet把大写字母和数字转换为标准的条形码。

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 2007-11-23 16:17:28
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   ISSN.java

package com.bokai.barcodes;


// Referenced classes of package com.bokai.barcodes:
//            EAN13, Barcode, BarcodeDataTriplet, BarcodeSpec, 
//            BarcodeSymbol

class ISSN extends EAN13
{

    ISSN()
    {
        super.bdType = 41;
        super.bdTypeName = "ISSN";
    }

    int GetExternalTextLen()
    {
        return super.bdTextLen - 3 - 2;
    }

    char[] filterGetText(char ac[], char ac1[], int i, long l)
    {
        char ac2[] = super.filterGetText(ac, ac1, i, l);
        if(i == 1)
        {
            char ac3[] = new char[ac2.length - 3 - 1];
            System.arraycopy(ac2, 3, ac3, 0, ac2.length - 3 - 1);
            return ac3;
        } else
        {
            return ac2;
        }
    }

    BarcodeDataTriplet getDefaultFullData()
    {
        char ac[] = null;
        char ac1[] = getDefaultOriginalData();
        char ac2[] = validateData(ac1, ac1.length);
        return new BarcodeDataTriplet(ac2, ac1, ac);
    }

    static char[] getDefaultOriginalData()
    {
        return (new char[] {
            '0', '0', '0', '0', '-', '0', '0', '0', 'X'
        });
    }

    static char[] prepareValidate(char ac[], int i)
    {
        char ac1[] = new char[3 + i + 2];
        ac1[0] = '9';
        ac1[1] = '7';
        ac1[2] = '7';
        System.arraycopy(ac, 0, ac1, 3, i);
        if((i += 3) < 7 || i >= 15)
            return null;
        int j = 0;
        for(int k = 0; k < i; k++)
            if(ac1[k] != '-')
            {
                ac1[j] = ac1[k];
                j++;
            }

        if(j > 10)
            j--;
        if(j != 10)
            return null;
        ac1[j++] = '0';
        ac1[j++] = '0';
        if(ac1.length == j)
        {
            return ac1;
        } else
        {
            char ac2[] = new char[j];
            System.arraycopy(ac1, 0, ac2, 0, j);
            return ac2;
        }
    }

    char[] validateData(char ac[], int i)
    {
        char ac1[] = prepareValidate(ac, i);
        if(ac1 == null)
            return null;
        else
            return super.validateData(ac1, ac1.length);
    }

    static final String name = "ISSN";
}