Implements RFC7252
Californium is a Java CoAP implementation for IoT Cloud services. Thus, the focus is on scalability and usability instead of resource-efficiency like for embedded devices. Yet Californium is also suitable for embedded JVMs.
More information can be found at http://www.eclipse.org/californium/ and http://coap.technology/.
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Use mvn clean install in the Cf root directory to build everything.
Executable JARs of the examples with all dependencies are copied to ./run/.
To use Californium as library in your projects, add the following dependencies and Maven repository to your pom.xml (without the dots):
<dependencies>
...
<dependency>
<groupId>org.eclipse.californium</groupId>
<artifactId>californium-core</artifactId>
<version>1.0.0-SNAPSHOT</version>
</dependency>
...
</dependencies>
...
<repositories>
...
<repository>
<id>repo.eclipse.org</id>
<name>Californium Repository</name>
<url>https://repo.eclipse.org/content/repositories/californium/</url>
</repository>
...
</repositories>The project also includes the project files for Eclipse. Make sure to have the following before importing the Californium (Cf) projects:
- Eclipse EGit
- m2e - Maven Integration for Eclipse
- UTF-8 workspace text file encoding (Preferences » General » Workspace)
Then choose [Import... » Git » Projects from Git » Local]
to import californium into Eclipse.
In case you are using plain Eclipse projects without Maven, you also need to clone and import the element-connector. Add this project to Properties » Java Build Path » Projects.
A test server is running at coap://iot.eclipse.org:5683/. The root resource responds with its current version.
Another interop server with a different implementation can be found at coap://coap.me:5683/. More information can be found at http://coap.me/.