import java.io.File;

import java.io.IOException;

import org.jacoco.core.analysis.Analyzer;

import org.jacoco.core.analysis.CoverageBuilder;

import org.jacoco.core.analysis.IBundleCoverage;

import org.jacoco.core.tools.ExecFileLoader;

import org.jacoco.report.DirectorySourceFileLocator;

import org.jacoco.report.FileMultiReportOutput;

import org.jacoco.report.IReportVisitor;

import org.jacoco.report.html.HTMLFormatter;

public class testjacoco {

    private final String title;

    private final File executionDataFile;

    private final File classesDirectory;

    private final File sourceDirectory;

    private final File reportDirectory;

    private ExecFileLoader execFileLoader;

    public testjacoco(final File projectDirectory ) {

        this.title = projectDirectory.getName();

        this.executionDataFile = new File(projectDirectory, "scfzzpostjacoco.exec");//覆盖率的exec文件地址

        this.classesDirectory = new File(projectDirectory, "/");//目录下必须包含源码编译过的class文件,用来统计覆盖率。所以这里用server打出的jar包地址即可

//        this.sourceDirectory =null;

        this.sourceDirectory = new File("/opt/RD_Code/server/zhuanzhuan_scf_zzpost_4-0-38_BRANCH/service/", "src/main/java");//源码的/src/main/java,只有写了源码地址覆盖率报告才能打开到代码层。使用jar只有数据结果

        this.reportDirectory = new File(projectDirectory, "coveragereport");//要保存报告的地址

    }

    public void create() throws IOException {

        loadExecutionData();

        final IBundleCoverage bundleCoverage = analyzeStructure();

        createReport(bundleCoverage);

    }

    private void createReport(final IBundleCoverage bundleCoverage)

            throws IOException {

        final HTMLFormatter htmlFormatter = new HTMLFormatter();

        final IReportVisitor visitor = htmlFormatter

                .createVisitor(new FileMultiReportOutput(reportDirectory));

        visitor.visitInfo(execFileLoader.getSessionInfoStore().getInfos(),

                execFileLoader.getExecutionDataStore().getContents());

        visitor.visitBundle(bundleCoverage, new DirectorySourceFileLocator(

                sourceDirectory, "utf-8", 4));

        visitor.visitEnd();

    }

    private void loadExecutionData() throws IOException {

        execFileLoader = new ExecFileLoader();

        execFileLoader.load(executionDataFile);

    }

    private IBundleCoverage analyzeStructure() throws IOException {

        final CoverageBuilder coverageBuilder = new CoverageBuilder();

        final Analyzer analyzer = new Analyzer(

                execFileLoader.getExecutionDataStore(), coverageBuilder);

        analyzer.analyzeAll(classesDirectory);

        return coverageBuilder.getBundle(title);

    }

    public static void main(final String[] args) throws IOException {

        testjacoco generator = new testjacoco(new File("/opt/RD_Code/server/untitled/"));//传递工程目录

            generator.create();

    }

}