So you need to include JSON libraries in your Maven project. The only option that seems to be currently available is using json-lib with the following dependencies:
| <dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.3</version> <classifier>jdk15</classifier> </dependency> |
The APIs are based upon the original work done at json.org/java.
If you are using NetBeans for adding the Maven dependency then it nicely shows the different versions for the artifact as shown below:

The usage guide and samples at json-lib have lots of documentation to get you started. Don’t forget the package names are changed so “org.json.JSONObject” is ”net.sf.json.JSONObject” and similarly other classes.
Please leave suggestions on other TOTD (Tip Of The Day) that you’d like to see. A complete archive of all the tips is available here.
Technorati: json maven json-lib netbeans
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I use http://code.google.com/p/google-gson/ which also has a Maven repo available.
Comment by Mikael Gueck — August 7, 2009 @ 3:30 am
"The only option that seems to be currently available is using json-lib …" Gson library is available at gson.googlecode.com/svn/mavenrepo
Comment by Michael Krasnovsky — August 7, 2009 @ 3:30 am
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Comment by Cheap Tickets — August 11, 2009 @ 2:50 am
I am common with all these but it all looks completed at this time of the day, but thanks for the great info..
Comment by Payday Loans — August 13, 2009 @ 3:31 pm
In addition to json-lib and google-gson, Jackson (http://wiki.fasterxml.com/JacksonHome) is a Java JSON library with Maven artifact (group ‘org.codehaus.jackson’, ids ‘jackson-core-asl’ and ‘jackson-mapper-asl’).
And since there are a dozen other java libs, it’s possible others might have Maven artifacts too. So not quite sure where "only json-lib is available" idea came from, but it’s not quite true.
Comment by Cowtowncoder — September 23, 2009 @ 8:53 pm
That’s what was Googlable in the first few links, and that’s where it came from
Comment by Arun Gupta — September 23, 2009 @ 9:01 pm