JaCoCo offline analysis

As PowerMock instrumented classes (used to mock API requests here)
messes up with JaCoCo coverage analysis, Maven build is changed to
offline instrumentation.

.travis.yml

@@ -12,4 +12,4 @@ cache:
     - '$HOME/.m2/repository'
     - '$HOME/.sonar/cache'
 script:
-  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar
+  - mvn -P jacoco clean package sonar:sonar

README.md

@@ -1,5 +1,6 @@
 # jURAclient 
-[![Build status](https://travis-ci.org/stklcode/juraclient.svg?branch=master)](https://travis-ci.org/stklcode/juraclient) 
+[![Build status](https://travis-ci.org/stklcode/juraclient.svg?branch=master)](https://travis-ci.org/stklcode/juraclient)
+[![Quality Gate](https://sonarcloud.io/api/badges/gate?key=de.stklcode.pubtrans%3Ajuraclient)](https://sonarcloud.io/dashboard?id=de.stklcode.pubtrans%3Ajuraclient) 
 [![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](https://github.com/stklcode/juraclient/blob/master/LICENSE.txt) 
 [![Maven Central](https://img.shields.io/maven-central/v/de.stklcode.pubtrans/juraclient.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22de.stklcode.pubtrans%22%20AND%20a%3A%22juraclient%22)
 

pom.xml

@@ -96,4 +96,60 @@
             </plugin>
         </plugins>
     </build>
+    <profiles>
+        <profile>
+            <id>jacoco</id>
+            <dependencies>
+                <dependency>
+                    <groupId>org.jacoco</groupId>
+                    <artifactId>org.jacoco.agent</artifactId>
+                    <version>0.7.9</version>
+                    <classifier>runtime</classifier>
+                </dependency>
+            </dependencies>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.jacoco</groupId>
+                        <artifactId>jacoco-maven-plugin</artifactId>
+                        <version>0.7.9</version>
+                        <executions>
+                            <execution>
+                                <id>default-instrument</id>
+                                <goals>
+                                    <goal>instrument</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>default-restore-instrumented-classes</id>
+                                <goals>
+                                    <goal>restore-instrumented-classes</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>report</id>
+                                <phase>prepare-package</phase>
+                                <goals>
+                                    <goal>report</goal>
+                                </goals>
+                                <configuration>
+                                    <dataFile>${project.build.directory}/coverage.exec</dataFile>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <version>2.20</version>
+                        <configuration>
+                            <systemPropertyVariables>
+                                <jacoco-agent.destfile>${project.build.directory}/jacoco.exec</jacoco-agent.destfile>
+                            </systemPropertyVariables>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 </project>