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Barcode Scan In Java ?

 
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Hi,

i have Java application in which i want to add barcode scanning option.
1. Do i need to write a separate code for different different hardware to scan barcode from java class?
2. Is there any open source project which can help me to read barcode from any or particular hardware?


Thanks
Anchit
 
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Yes, I think the code will be device-specific - there is no standard Java API for interfacing with barcode scanners specifically.

The scanner will likely be attached to a computer via a serial or USB cable - read through the https://coderanch.com/how-to/java/JavaIoFaq for libraries that can interface with both these port types.
 
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I'm curious if anyone has seen a Java class library to decode a bar code (1D and 2D) from an image?

Joe
 
Ulf Dittmer
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Several such libraries exist - check out the doubly-underlined "Aspose" link in achit's post for a commercial option. Open source libraries include http://code.google.com/p/jjil/ and http://code.google.com/p/zxing/ (probably the best-known such library, as it also works on mobile devices).
 
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This Java Barcode Reader is a Java library which scans and recognises barcodes (including most linear and 2D barcodes) from image files. You can embed barcode recognition features in your Java Server Side Environment (JSP, Servlet, J2EE, Web Service) and Java Application (Swing, Applet, Java Bean, J2SE).
 
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Ulf Dittmer wrote:Open source libraries include http://code.google.com/p/jjil/ and http://code.google.com/p/zxing/ (probably the best-known such library, as it also works on mobile devices).


Short article on usage of zxing library to read QR code can be found at http://javapapers.com/core-java/java-qr-code/
 
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