[OHFJIRA-79] : integration with sonar

* added sonar maven plugin
* travis pipeline updated to report to sonarcloud.io

.travis.yml

@@ -1,4 +1,9 @@
 language: java
+addons:
+  sonarcloud:
+    organization: "openwisesolutions" # registered at sonarcloud.io
+    token:
+      secure: $SONAR_TOKEN
 jdk:
   - oraclejdk8
 env:
@@ -19,7 +24,8 @@ after_success:
   - .utility/push-javadoc-to-gh-pages.sh
   - .utility/publish-artifacts.sh
   # 'coveralls:report' goal is responsible for updating coverall.io stats once travisCI build completes  
-  - mvn coveralls:report  
+  - mvn coveralls:report
+  - mvn spotbugs:spotbugs sonar:sonar -Dsonar.projectKey=OpenWiseSolutions_openhub-framework -Dsonar.organization=openwisesolutions
 cache:
   directories:
     - $HOME/.m2  

pom.xml

@@ -208,6 +208,8 @@
         <jolokia-version>1.3.5</jolokia-version>
         <!-- plugins -->
         <spotbugs-maven-plugin.version>3.1.8</spotbugs-maven-plugin.version>
+        <sonar-maven-plugin.version>3.5.0.1254</sonar-maven-plugin.version>
+        <sonar.java.spotbugs.reportPaths>target/spotbugsXml.xml</sonar.java.spotbugs.reportPaths>
         <!-- java ee -->
         <jaxb.version>2.2.11</jaxb.version>
         <jaxws.version>2.2.12</jaxws.version>
@@ -770,6 +772,12 @@
                         <goals>deploy</goals>
                     </configuration>
                 </plugin>
+
+                <plugin>
+                    <groupId>org.sonarsource.scanner.maven</groupId>
+                    <artifactId>sonar-maven-plugin</artifactId>
+                    <version>${sonar-maven-plugin.version}</version>
+                </plugin>
             </plugins>
         </pluginManagement>
 
@@ -853,6 +861,11 @@
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>
             </plugin>
+
+            <plugin>
+                <groupId>org.sonarsource.scanner.maven</groupId>
+                <artifactId>sonar-maven-plugin</artifactId>
+            </plugin>
         </plugins>
     </build>
 </project>