Apache Oltu is an OAuth protocol implementation in Java.
'org.apache.oltu.oauth2:org.apache.oltu.oauth2.httpclient4:1.0.0'
<dependency>
<groupId>org.apache.oltu.oauth2</groupId>
<artifactId>org.apache.oltu.oauth2.httpclient4</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="org.apache.oltu.oauth2" name="org.apache.oltu.oauth2.httpclient4" rev="1.0.0"/>
"org.apache.oltu.oauth2", "org.apache.oltu.oauth2.httpclient4", "1.0.0"