HADOOP-9247. Parametrize Clover generateXxx properties to make them re-definable via -D in mvn calls. Contributed by Ivan A. Veselovsky.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1438698 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -152,6 +152,9 @@ Trunk (Unreleased)
     HADOOP-9245. mvn clean without running mvn install before fails.
     (Karthik Kambatla via suresh)
 
+    HADOOP-9247. Parametrize Clover "generateXxx" properties to make them
+    re-definable via -D in mvn calls. (Ivan A. Veselovsky via suresh)
+
   BUG FIXES
 
     HADOOP-8419. Fixed GzipCode NPE reset for IBM JDK. (Yu Li via eyang)

pom.xml

@@ -517,6 +517,18 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
       <properties>
         <cloverLicenseLocation>${user.home}/.clover.license</cloverLicenseLocation>
         <cloverDatabase>${project.build.directory}/clover/hadoop-coverage.db</cloverDatabase>
+        <!-- NB: This additional parametrization is made in order 
+             to be able to re-define these properties with "-Dk=v" maven options.
+             By some reason the expressions declared in clover 
+             docs like "${maven.clover.generateHtml}" do not work in that way. 
+             However, the below properties are confirmed to work: e.g. 
+             -DcloverGenHtml=false switches off the Html generation.  
+             The default values provided here exactly correspond to Clover defaults, so
+             the behavior is 100% backwards compatible. -->
+        <cloverAlwaysReport>true</cloverAlwaysReport>
+        <cloverGenHtml>true</cloverGenHtml>
+        <cloverGenXml>true</cloverGenXml>
+        <cloverGenHistorical>false</cloverGenHistorical>
       </properties>
       <build>
         <plugins>
@@ -530,8 +542,10 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
               <cloverDatabase>${cloverDatabase}</cloverDatabase>
               <targetPercentage>50%</targetPercentage>
               <outputDirectory>${project.build.directory}/clover</outputDirectory>
-              <generateHtml>true</generateHtml>
+              <alwaysReport>${cloverAlwaysReport}</alwaysReport>
-              <generateXml>true</generateXml>
+              <generateHtml>${cloverGenHtml}</generateHtml>
+              <generateXml>${cloverGenXml}</generateXml>
+              <generateHistorical>${cloverGenHistorical}</generateHistorical>
             </configuration>
             <executions>
               <execution>