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UPC-A Barcode Introduction
UPC-A is also known as Universal Product Code version A, UPC-A Supplement 5/Five-digit Add-On, UPC-A Supplement 2/Two-digit Add-On, UPC-A+5, UPC-A+2, UPC Code, UPC Symbol, GTIN-12, GS1-12, UCC-12.
UPC-A is used for marking products which are sold at retail in the USA. The barcode identifies the manufacturer and specific product so point-of- sale cash register systems can automatically look up the price. The UPC-A Code and the assignment of manufacturer ID numbers is controlled in the U.S.A. by the Uniform Code Council (UCC).
Sample of a UPC-A Barcode
The value to encode by UPC-A has the following structure:
1 digit for Number System (0: regular UPC codes, 1: reserved, 2: random weight items marked at the store, 3: National Drug Code and National Health Related Items code, 4: no format restrictions, for in-store use on non-food items, 5: for use on coupons, 6: reserved, 7: regular UPC codes, 8: reserved, 9: reserved).
5 digits for Manufacturer (Company) Code or prefix. This number is assigned by the Uniform Code Council (UCC).
5 digits for Product Code which is assigned by the manufacturer.
1 digit for checksum.
Add-On or Supplement code
The Add-On Symbols were designed to encode information supplementary to that in the main bar code symbol on periodicals and paperback books. The Add-On can be composed of 2 or 5 digits only.
Sample of an UPC-A Two-Digit Add-On Barcode
Sample of an UPC-A Five-Digit Add-On Barcode
UPC-A Encoding Data Scope
UPCA Barcode for Java supports:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
How to Generate UPC-A Barcode in Java Class?
The following Java code illustrates how to create a UPC-A barcode, and output to various formats.
1 Linear linear = new Linear(); 2 linear.setType(Linear.UPCA); 3 linear.setData("01234567890"); 4 linear.renderBarcode("c:/barcode.gif");
Under java_barcode_trial package, copy barcode folder to your java servlet container like tomcat.
Restart tomcat. Now you have installed successfully.
To test your installation, open your web browser and navigate to: http://YourDomain:Port/barcode/linear?Data=01234567890&Type=UPCA
To create barcode image in your JSP or html page, you need pass the url to IMG tag src value. For example, <img src="http://YourDomain:Port/barcode/linear?Data=01234567890&Type=UPCA" /> Using this method, it will not generate any barcode images in your server side.
The second method is to generate barcode images in your server side.
Create a barcode image in server side,like Linear linear = new Linear(); linear.setData("01234567890"); linear.setType(Linear.UPCA); linear.renderBarcode("C:/Tools/Tomcat 5.5/webapps/YourWebApp/barcode-images/barcode.gif");
In your JSP or HTML page, you need use IMG tag to display generated image, like <img src="http://YourDomain:Port/YourWebApp/barcode-images/barcode.gif" />
How to Generate Barcode UPC-A Image in Jasper Reports, iReport, Eclipse BIRT?
Set the type property to Linear.UPCA, or Linear.UPCA_2, or Linear.UPCA_5 Servlet URL Parameter: "Type". Value: 40 (UPCA), 41 (UPCA +2), 42 (UPCA +5). Sample: &Type=40.
Set the data property with the value to encode. Type is String. Servlet URL Parameter: Data.
Valid Data Scope:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Valid Data Format:
11 digits, and DO NOT include last digit checksum character.
Sample: "12345678901".
Set the sData property with the supplement value to encode. Type is String. User should only provide 2 digits for UPCA_2, and provide only 5 digits for UPCA_5. Servlet URL Parameter: SData.
addCheckSum property is not applied here. Barcode Library will always add a check character in the last digit (modulo 10).
Barcode image size settings.
Set property uom (Unit of Measure) for properties X, Y, leftMargin, rightMargin, topMargin and bottomMargin. Default is Linear.UOM_PIXEL (0). Valid values are Linear.UOM_PIXEL (0), Linear.UOM_CM (1), Linear.UOM_Inch (2). Servlet URL Parameter: "UOM". Value: 0 (pixel), 1 (cm), 2 (inch). Sample: &UOM=0.
Set the X (for barcode module width) and Y (for barcode module height) properties. Both types are float. Default X is 3. Y is 75. Servlet URL Parameter: "X", "Y". Sample: &X=3&Y=75.
Set the leftMargin, rightMargin, topMargin and bottomMargin properties, and types are all float. Default values are 0 for all 4 margin settings. Servlet URL Parameter: "LeftMargin", "RightMargin", "TopMargin", "BottomMargin". Sample: &LeftMargin=0.
Set the resolution property (Value is expressed in DPI - Dots per inch). Default is 72 dpi. Servlet URL Parameter: "Resolution". Sample: &Resolution=72.
Setting up text style in barcode image.
Set the showText properties. If this value is true, barcode data will be displayed with the barcode. Default is true. Servlet URL Parameter: "ShowText". Value: "t" (true), "f" (false). Sample: &ShowText=t.
Set the textFont property. The font used to display text in barcode image. Default is new Font("Arial", Font.PLAIN, 11). Servlet URL Parameter: "TextFont". Value format: [font name]|[font style]|[font size]. Sample Values: &TextFont=Arial|Bold|12
With rotate property, you can display barcode horizontally or vertically. Default value is 0. Servlet URL Parameter: "Rotate". Sample: &Rotate=0. Value can be:
