How to write testng report into html.jelly? - hudson

Question

I use email-ext-plugin to generate report in hudson, and check the templete html.jelly in $HUDSON_ROOM\plugins\email-ext\WEB-INF\classes\hudson\plugins\emailext\templates\html.jelly, but i don't how to add the testng testing result into this jelly file.
the junit script in html.jelly, could someone know the script meaning for example, what's the meaning of it.JUnitTestResult? where the "it" object variable come from?
<j:set var="junitResultList" value="${it.JUnitTestResult}" />
<j:if test="${junitResultList.isEmpty()!=true}">
<TABLE width="100%">
<TR><TD class="bg1" colspan="2"><B>JUnit Tests</B></TD></TR>
<j:forEach var="junitResult" items="${it.JUnitTestResult}">
<j:forEach var="packageResult" items="${junitResult.getChildren()}">
<TR><TD class="bg2" colspan="2"> Name: ${packageResult.getName()} Failed: ${packageResult.getFailCount()} test(s), Passed: ${packageResult.getPassCount()} test(s), Skipped: ${packageResult.getSkipCount()} test(s), Total: ${packageResult.getPassCount()+packageResult.getFailCount()+packageResult.getSkipCount()} test(s)</TD></TR>
<j:forEach var="failed_test" items="${packageResult.getFailedTests()}">
<TR bgcolor="white"><TD class="test_failed" colspan="2"><B><li>Failed: ${failed_test.getFullName()} </li></B></TD></TR>
</j:forEach>
</j:forEach>
</j:forEach>
</TABLE>
<BR/>
</j:if>

Answer 1

it is a reference to the ScriptContentBuildWrapper class.
${it.JUnitTestResult} returns a List<TestResult> object.