Adding coverage summary on build status/result page.

src/main/java/hudson/plugins/jacoco/JacocoBuildAction.java

@@ -240,6 +240,37 @@ public JacocoBuildAction getPreviousResult() {
 		return getPreviousResult(owner);
 	}
 
+	/**
+	 * @return Map<CoverageRatio,Failed?> to represents coverage objects and its status to show on build status page (summary.jelly).
+	 */
+	public Map<Coverage,Boolean> getCoverageRatios(){
+		CoverageReport result = getResult();
+		Map<Coverage,Boolean> ratios = new LinkedHashMap<Coverage,Boolean>();
+		if( result != null ) {
+			Coverage instructionCoverage = result.getInstructionCoverage();
+			Coverage classCoverage = result.getClassCoverage();
+			Coverage complexityScore = result.getComplexityScore();
+			Coverage branchCoverage = result.getBranchCoverage();
+			Coverage lineCoverage = result.getLineCoverage();
+			Coverage methodCoverage = result.getMethodCoverage();
+
+			instructionCoverage.setType(CoverageElement.Type.INSTRUCTION);			
+			classCoverage.setType(CoverageElement.Type.CLASS);
+			complexityScore.setType(CoverageElement.Type.COMPLEXITY);			
+			branchCoverage.setType(CoverageElement.Type.BRANCH);			
+			lineCoverage.setType(CoverageElement.Type.LINE);
+			methodCoverage.setType(CoverageElement.Type.METHOD);
+
+			ratios.put(instructionCoverage,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(instructionCoverage));
+			ratios.put(branchCoverage,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(branchCoverage));
+			ratios.put(complexityScore,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(complexityScore));
+			ratios.put(lineCoverage,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(lineCoverage));
+			ratios.put(methodCoverage,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(methodCoverage));
+			ratios.put(classCoverage,JacocoHealthReportThresholds.RESULT.BELLOWMINIMUM == thresholds.getResultByTypeAndRatio(classCoverage));
+		}
+		return ratios;
+	}
+
 	/**
 	 * Gets the previous {@link JacocoBuildAction} of the given build.
 	 */

src/main/resources/hudson/plugins/jacoco/JacocoBuildAction/summary.jelly

@@ -0,0 +1,17 @@
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler"
+	xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson"
+	xmlns:f="/lib/form" xmlns:i="jelly:fmt">
+	<link rel="stylesheet" href="${rootURL}/plugin/jacoco/css/style.css"/>
+	<t:summary icon="/plugin/jacoco/icons/jacoco-48x48.png">
+	 	<b>Jacoco - ${%Overall Coverage Summary}</b>
+	 	<table class="pane" border="1" style="width: 95%;margin-left: 5%;">
+	 		<j:forEach var="coverageRatio" items="${it.coverageRatios}">
+	 		<tr>
+	 			<th style="background-color:#e0e0e0;width:30%">${coverageRatio.key.type}</th>
+	 			<td style="width:15%;text-align:center" class="${coverageRatio.value ? 'red':''}">${coverageRatio.key.percentage}%</td>
+	 			<td><div class="percentgraph"><div style="width:${100 - coverageRatio.key.percentage}%" class="redbar"></div></div></td>
+	 		</tr>
+	 		</j:forEach>
+	 	</table>		
+	</t:summary>
+</j:jelly>