Added support for JaCoCo

Added a profile for running JaCoCo to the parent POM and removed the
plugin from the <build> of each module.

This makes a lot more sense. It's only a dependency if the builder
wants to run it.

Author: dmaccormack

module/jsonurl-core/pom.xml

@@ -48,10 +48,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.jacoco</groupId>
-        <artifactId>jacoco-maven-plugin</artifactId>
-      </plugin>
     </plugins>
   </build>
 </project>

module/jsonurl-jsonorg/pom.xml

@@ -66,10 +66,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.jacoco</groupId>
-        <artifactId>jacoco-maven-plugin</artifactId>
-      </plugin>
     </plugins>
   </build>
 </project>

module/jsonurl-jsr374/pom.xml

@@ -71,10 +71,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.jacoco</groupId>
-        <artifactId>jacoco-maven-plugin</artifactId>
-      </plugin>
     </plugins>
   </build>
 </project>

module/pom.xml

@@ -54,6 +54,7 @@
     <maven.site.plugin>3.8.2</maven.site.plugin>
     <maven.doxia.plugin>[1.9,)</maven.doxia.plugin>
     <maven.project.info.reports.plugin>2.9</maven.project.info.reports.plugin>
+    <coveralls.plugin>4.3.0</coveralls.plugin>
     <nexus.staging.pluggin>1.6.8</nexus.staging.pluggin>
     <nexus.url>https://oss.sonatype.org</nexus.url>
 
@@ -73,6 +74,7 @@
     <jsonurl.scm.url>https://github.com/${jsonurl.scm.path}</jsonurl.scm.url>
 
     <checkstyle.config.location>../../config/checkstyle.xml</checkstyle.config.location>
+    <pmd.config.location>../../config/pmd-ruleset.xml</pmd.config.location>
     <jacoco.minimum.coverage>0.40</jacoco.minimum.coverage>
     <jacoco.report.dir>target/jacoco</jacoco.report.dir>
   </properties>
@@ -217,7 +219,7 @@
             <sourceEncoding>${char.encoding}</sourceEncoding>
             <targetJdk>${jdk.version}</targetJdk>
             <rulesets>
-              <ruleset>../../config/pmd-ruleset.xml</ruleset>
+              <ruleset>${pmd.config.location}</ruleset>
             </rulesets>
             <printFailingErrors>true</printFailingErrors>
             <failOnViolation>true</failOnViolation>
@@ -294,6 +296,11 @@
             <autoReleaseAfterClose>false</autoReleaseAfterClose>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>org.eluder.coveralls</groupId>
+          <artifactId>coveralls-maven-plugin</artifactId>
+          <version>${coveralls.plugin}</version>
+          </plugin>
       </plugins>
     </pluginManagement>
   </build>
@@ -337,7 +344,7 @@
       <id>pmd</id>
       <activation>
         <file>
-          <exists>${basedir}/../../config/pmd-ruleset.xml</exists>
+          <exists>${basedir}/${pmd.config.location}</exists>
         </file>
       </activation>
       <build>
@@ -378,5 +385,29 @@
         </plugins>
       </build>
     </profile>
+    
+    <profile>
+      <id>jacoco</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.jacoco</groupId>
+            <artifactId>jacoco-maven-plugin</artifactId>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+    
+    <profile>
+      <id>coveralls</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.eluder.coveralls</groupId>
+            <artifactId>coveralls-maven-plugin</artifactId>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 </project>