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- About Us
Data Matrix code is a two-dimensional matrix barcode consisting of black and white "cells" or modules arranged in either a square or rectangular pattern. The information to be encoded can be text or raw data. Usual data size is from a few bytes up to 2 kilobytes. The length of the encoded data depends on the symbol dimension used. Error correction codes are added to increase symbol strength: even if they are partially damaged, they can still be read. A Data Matrix symbol can store up to 2,335 alphanumeric characters.
Java Data Matrix prints:
- all 128 characters of ASCII
- values 128-255 in accordance with ISO 8859-1. There are referred to as extended ASCII.

Java Data Matrix Barcode Generator - Common Questions
1. How to generate Data Matrix barcodes in JSP & HTML pages?
- Copy "barcoding" folder contents to your Java Servlet container like Tomcat or JBoss's applications folder
- Restart your Java Servlet container
- Open your web browser like IE, Firefox, and navigate to http://localhost:8080/barcoding/datamatrix?DATA=0123456789
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To generate Data Matrix barcode images in JSP or HTML pages, insert the following html img tag code:
<img src="http://localhost:8080/barcoding/datamatrix?DATA=0123456789" border=0 />
2. How to create Data Matrix barcodes in Java Servlet?
try { DataMatrix barcode = new DataMatrix(); barcode.setCode("Java Data Matrix Barcode Generation"); response.setContentType("image/jpeg"); response.setHeader("Pragma", "no-cache"); response.setHeader("Cache-Control", "no-cache"); response.setDateHeader("Expires", 0); ServletOutputStream servletoutputstream = response.getOutputStream(); barcode.drawOnStream(servletoutputstream); } catch (Exception e) { throw new ServletException(e); }
3. How to generate Data Matrix barcodes in Java Class?
DataMatrix barcode = new DataMatrix(); barcode.setCode("Data Matrix in Java"); barcode.drawImage2File("datamatrix.gif");
4. How to draw Data Matrix barcodes to image files?
DataMatrix barcode = new DataMatrix(); barcode.setCode("Create Data Matrix in Java"); barcode.drawImage2File("datamatrix.gif");
5. How to draw & print Data Matrix barcodes to Java image objects or stream objects?
DataMatrix barcode = new DataMatrix(); barcode.setCode("Java DataMatrix"); barcode.drawOnGraphics("Graphics2D object"); barcode.drawOnStream("OutputStream object");
Java Barcode Data Matrix Generator - Data Matrix Property Settings
Basic
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code : Data Matrix encoding data value.
Servlet Parameter: code; Default Value: ""
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dataMode : Data Matrix encoding data mode.
Servlet Parameter: data-mode; Default Value: 0 (MODE_AUTO)
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formatMode : Data Matrix encoding format mode.
Servlet Parameter: format-mode; Default Value: 0 (FORMAT_10X10)
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processTilde
Servlet Parameter: process-tilde; Default Value: false
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fnc1Mode
Servlet Parameter: fnc1-mode; Default Value: 0 (FNC1_NONE)
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ai : Application Indicator
Servlet Parameter: ai; Default Value: 0
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barcodeUnit : Unit of meature for all size related properties. 0: Pixel (default); 1: CM; 2: Inch.
Servlet Parameter: barcode-unit; Default Value: 0 (UOM_PIXEL)
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moduleSize : bar module width & height, default is 3 pixel
Servlet Parameter: module-size; Default Value: 3.0f
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leftMargin : generated barcode image left margin
Servlet Parameter: left-margin; Default Value: 0.0f
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rightMargin : generated barcode image right margin
Servlet Parameter: right-margin; Default Value: 0.0f
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topMargin : generated barcode image top margin
Servlet Parameter: top-margin; Default Value: 0.0f
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bottomMargin : generated barcode image bottom margin
Servlet Parameter: bottom-margin; Default Value: 0.0f
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resolution : generated data matrix image resolution in dpi
Servlet Parameter: resolution; Default Value: 72 dpi
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rotate : barcode data matrix rotate angle, valid values: 0 (ROTATE_0), 1 (ROTATE_90), 2 (ROTATE_180), 3 (ROTATE_270)
Servlet Parameter: rotate; Default Value: 0 (ANGLE_0)
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barcodeWidth
Servlet Parameter: barcode-width; Default Value: 0
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barcodeHeight
Servlet Parameter: barcode-height; Default Value: 0
Multiple Data Matrix
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isStructuredAppend
Servlet Parameter: structured-append; Default Value: false
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symbolCount
Servlet Parameter: symbol-count; Default Value: 0
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symbolIndex
Servlet Parameter: symbol-index; Default Value: 0
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fileID
Servlet Parameter: file-id; Default Value: 0
Java Barcode Generator Supporting Barcode Symbology Types
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Linear Barcodes
- Codabar - Code-11 - Code-39 - Code-93 - Code-128 - EAN-128 / GS1-128 - Code 2 of 5 - Interleaved 2 of 5 - UPC-A - UPC-E - EAN-8 - EAN-13 - GS1 DataBar - ISBN - ISSN - Identcode - Leitcode - Planet - Postnet - USPS Intelligent Mail Barcode (Onecode) - MSI Plessey - RM4SCC - ITF-14 -
Data Matrix - Data Matrix with ECC200, ASCII, text, C40 and Base256 encoding, Extended Channel Interpretation and Structured append.
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PDF-417 - PDF417 with EC levels 1 to 8, text and binary encoding.
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QR-Code - QRCode with structured append, UPS encoding and mode 2-6 support.