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Java Codabar Introduction
Codabar is also known as Codeabar, Ames Code, NW-7, Monarch, Code 2 of 7, Rationalized Codabar, ANSI/AIM BC3-1995 or USD-4.
Codabar is a linear barcode symbology developed in 1972 by Pitney Bowes Corp.It was designed to be accurately read even when printed on dot-matrix printers for multi-part forms such as FedEx airbills and blood bank forms, where variants are still in use as of 2007.
Codabar symbology is used by U.S. blood banks, photo labs, and on FedEx airbills. Because Codabar is self-checking, it does not define a check digit. This symbology starts and finishes with one of four possible characters A, B, C, or D.
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=123456789&Type=CODABAR
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=123456789&Type=CODABAR" /> 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("123456789"); linear.setType(Linear.CODABAR); 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 Codabar Image in Jasper Reports, iReport, Eclipse BIRT?
Valid Data Format:Valid Codabar data includes the above chars only, do not include Codabar Start and Stop chars ("A", "B", "C", and "D") in this property.
Sample: "123456789012".
addCheckSum property is not applied here. Codabar does not require any check sum.
Set N property, Wide bar vs Narrow bar ratio. Valid values are from 2.0f to 3.0f, inclusive. Default is 2.0f. Servlet URL Parameter: N. Sample: &N=3
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:
