JAVA8 lambda how to make code sample

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i think my code need to promote, i use object "allSummaryTSTLog" both in stream().filter() and .map(), so i have to new twice, so do with object named by "filter" in line 2 :

    public static List<Test> ParserPath(List<String> allLogPath) {

    FilenameFilter filter = new MyFilter("Summary_TSTLog");

    return allLogPath.parallelStream().filter(path -> {
        File testPath = new File(path);

        if(!testPath.isDirectory()){
            MyLog.log.info("test path : [" + path + "] is not exist, continue");
            return false;
        }

        File[] allSummaryTSTLog = testPath.listFiles(filter);
        if(allSummaryTSTLog == null || allSummaryTSTLog.length == 0){
            MyLog.log.info("test path : [" + path + "] has no Summary_TSTLog files");
            return false;
        }
        return true;
    }).map(path -> {
        String[] nameTempStr = path.split("\\\\");
        String testName = nameTempStr[nameTempStr.length - 1];

        File[] allSummaryTSTLog = new File(path).listFiles(filter);

        return new Test(testName, Arrays.asList(allSummaryTSTLog));
    }).collect(Collectors.toList());
}

here is question: how can i new once object allSummaryTSTLog and named by "filter"? thanks advance.

asked 49 secs ago

ming

47

JAVA8 lambda how to make code sample