measure test coverage (#46)

Author: mr-c

.travis.yml

@@ -1,6 +1,11 @@
 language: java
+
 cache:
   directories:
     - $HOME/.m2
+
 jdk:
   - openjdk11
+
+after_success:
+  - mvn clean test jacoco:report coveralls:report

pom.xml

@@ -10,7 +10,9 @@
     <version>1.2.0-SNAPSHOT</version>
 
     <properties>
-        <commonslang.version>3.7</commonslang.version>
+	<commonslang.version>3.7</commonslang.version>
+	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>
 
     <licenses>
@@ -106,4 +108,46 @@
             <version>2.2.1</version>
         </dependency>
     </dependencies>
+
+    <profiles>
+        <profile>
+	    <id>travis</id>
+	    <activation>
+                <property>
+	            <name>env.TRAVIS</name>
+		    <value>true</value>
+	        </property>
+	    </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.jacoco</groupId>
+                        <artifactId>jacoco-maven-plugin</artifactId>
+                        <version>0.8.7</version>
+                        <executions>
+                            <execution>
+                                <id>prepare-agent</id>
+                                <goals>
+                                    <goal>prepare-agent</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+		    <plugin>
+                        <groupId>org.eluder.coveralls</groupId>
+                        <artifactId>coveralls-maven-plugin</artifactId>
+			<version>4.3.0</version>
+			<dependencies>
+                            <dependency>
+                                <groupId>javax.xml.bind</groupId>
+                                <artifactId>jaxb-api</artifactId>
+                                <version>2.3.1</version>
+                            </dependency>
+                        </dependencies>
+                    </plugin>
+	        </plugins>
+	    </build>
+	</profile>
+    </profiles>
+
 </project>