SimpleCovRcovJsonParserImpl.java

package com.godaddy.sonar.ruby.simplecovrcov;

import java.io.File;
import java.io.IOException;
import java.util.Map;

import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.commons.io.FileUtils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.measures.CoverageMeasuresBuilder;

import com.godaddy.sonar.ruby.simplecovrcov.SimpleCovRcovJsonParser;
import com.google.common.collect.Maps;

public class SimpleCovRcovJsonParserImpl implements SimpleCovRcovJsonParser
{
    private static final Logger LOG = LoggerFactory.getLogger(SimpleCovRcovJsonParserImpl.class);

    public Map<String, CoverageMeasuresBuilder> parse(File file) throws IOException
    {
        Map<String, CoverageMeasuresBuilder> coveredFiles = Maps.newHashMap();

        File fileToFindCoverage = file;

        String fileString = FileUtils.readFileToString(fileToFindCoverage, "UTF-8");

        JsonParser parser = new JsonParser();

        JsonObject resultJsonObject = parser.parse(fileString).getAsJsonObject();
        JsonObject coverageJsonObj = resultJsonObject.get("RSpec").getAsJsonObject().get("coverage").getAsJsonObject();


        // for each file in the coverage report
        for (int j = 0; j < coverageJsonObj.entrySet().size(); j++)
        {
            CoverageMeasuresBuilder fileCoverage = CoverageMeasuresBuilder.create();

            String filePath = ((Map.Entry)coverageJsonObj.entrySet().toArray()[j]).getKey().toString();
        	LOG.debug("filePath " + filePath);

            JsonArray coverageArray = coverageJsonObj.get(filePath).getAsJsonArray();

            // for each line in the coverage array
            for (int i = 0; i < coverageArray.size(); i++)
            {
                Long line = null;

                if (!coverageArray.get(i).isJsonNull()) {
                    line = coverageArray.get(i).getAsLong();
                }
                Integer intLine = 0;
                int lineNumber = i + 1;
                if (line != null)
                {
                    intLine = line.intValue();
                    fileCoverage.setHits(lineNumber, intLine);
                }
            }
            LOG.info("FILE COVERAGE = " + fileCoverage.getCoveredLines());
            coveredFiles.put(filePath, fileCoverage);
        }
        return coveredFiles;
    }
}