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Thread: Barcode Generator

  1. #1
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    Red face Barcode Generator

    Dear Forums,


    Hi guys im very new to this forum.......h r u guys....Hey Guys i want some information related to Barcode Generator do anyone know how to create a barcode using Java .....Any solution would be appreciable......Thanks in Advance.


    Regards......

    Venu


  2. #2
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    Default Re: Barcode Generator

    I don't personally know how to create Barcodes, but this website should give you all the libraries and documentation that you would ever want: TWiki . Javapedia . Barcode
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    Default Re: Barcode Generator

    Dear aussiemcgr,

    Thanks for the reply...I have done the coding in .Net when it comes to Java i have issues like code not getting executed correctly i have given part of the code here coz i cant produce the entire code right.....please have a look at the below code...



     
     
    public class BarCodeVerifier {
    	int nAPMCCode = 0; 
    	int nDate = 0; 
    	int nMonth = 0; 
    	int nTime = 0; 
    	int nTrader = 0; 
    	int nLorry = 0; 
    	int nCommodity = 0; 
    	int nQuantity = 0; 
    	int nMinute = 0;
    	//String dt = DateFormat.getDateInstance().format(new Date()); // DateTime.Now.ToLongDateString();
     
     
     
    	public BarCodeVerifier() {
    	}
     
    	public int[] GetDecodedData(String strCoded) {
     
    		int[] nArr = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    		// strip the last char...
    		char c = strCoded.toCharArray()[strCoded.length() - 1];
    		if (strCoded.length() > 17) {
    			String strMinuteCode = strCoded.substring(15, 17);
    			int nMunite = (int) (Base36Decode(strMinuteCode));
    			strCoded = new String(strCoded.substring(0, strCoded.length() - 3));
    			nArr[8] = nMunite;
    		} else {
    			strCoded = strCoded.substring(0, strCoded.length() - 1);
    			nArr[8] = 0;
    		}
    		// char c = strCoded.ToCharArray()[strCoded.Length-1];
    		// strCoded = strCoded.substring(0,strCoded.length()-1);
     
    		int nTime = (int) Base36Decode(String.valueOf(c));
    		int nTemp = (nTime < 15) ? (15 - nTime) : (15 - (nTime - 15));
    		strCoded = RotateString(strCoded, nTemp);
    		nArr[0] = (int) (Base36Decode(strCoded.substring(0, 2))); 
    		nArr[1] = (int) (Base36Decode(strCoded.substring(2, 3))); 
    		nArr[2] = (int) (Base36Decode(strCoded.substring(3, 4))); 
    		nArr[3] = nTime; // Time
    		nArr[4] = (int) (Base36Decode(strCoded.substring(4, 7))); 
    		nArr[5] = (int) (Base36Decode(strCoded.substring(7, 10))); 
    		nArr[6] = (int) (Base36Decode(strCoded.substring(10, 12))); 
    		// CODE
    		nArr[7] = (int) (Base36Decode(strCoded.substring(12, 15))); 
     
     
     
    		return nArr;
    	}
     
    	// Converts base36 string to int64 string .. All capitals
     
    	public static long Base36Decode(String input) {
    		/*
    		 * This function converts the input String characters into base36 values
    		 */
    		String base36Chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    		char[] arrInput = new char[input.length()];
    		arrInput=input.toCharArray();
    		for (int i = input.length() - 1, j = 0; i != -1; i--, j++) {
    			arrInput[j] = input.charAt(i);
    		}
    		long returnValue = 0, rv=0;;
    		int value=1;
    		for (int i = 0; i < arrInput.length; i++) {
     
    			int valueindex = base36Chars.indexOf(arrInput[i]);
    			if(i==0)
    			{
    				rv=valueindex;
    			}
    			else
    			{
    			for(int j=0;j<=i;j++)
     
    			{
    				   if(j==0)
    					{
    						value=1;
    					}
    					else
    					{
    					value*=36;
    					}
     
    			}
    			returnValue+= valueindex*value;
    			}
    		}
    		return rv+returnValue;
    	}
    	private String RotateString(String strRotate, int nTimes) {
    		/*
    		 * Function can Rotates the String
    		 */
    		char[] cTemp;
    		char cur, nxt;
    		int nLen = strRotate.length();
    		for (int nIndex = 0; nIndex < nTimes; nIndex++) {
    			cTemp = strRotate.toCharArray();
    			cur = cTemp[0];
    			nxt = cur;
    			for (int nTemp = 0; nTemp < nLen - 1; nTemp++) {
    				nxt = cTemp[nTemp + 1];
    				cTemp[nTemp + 1] = cur;
    				cur = nxt;
    			}
    			cTemp[0] = nxt;
    			strRotate = new String(cTemp);
    		}
     
    		return strRotate;
    	}
     
    }

    My code may not be correct...And my output is it should display me a barcode as of now and when i scan it,it should display me the details related to that barcode...As of now it should create me a barcode........Any Solution would be appreciable....Thanks in Advance....


    Regards,
    Last edited by StarRocks; August 24th, 2012 at 05:10 AM.

  4. #4
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    Default Re: Barcode Generator

    Quote Originally Posted by StarRocks View Post
    Dear Forums,


    Hi guys im very new to this forum.......h r u guys....Hey Guys i want some information related to Barcode Generator do anyone know how to create a barcode using Java .....Any solution would be appreciable......Thanks in Advance.


    Regards......

    Venu
    I have used Barcode4j (Welcome to Barcode4J). Works very well.

  5. #5
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    Default Re: Barcode Generator

    Dear paulvas,


    Thanks for the reply.....Will get back to you if i have any futher queries.......If you find any other solutions please forward me....Any solution would be appreciable......Thanks in Advance...


    Regards,

    Venu

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