public static void fileWithColdestTemperature() {
String fileName = null;
CSVRecord lowestSoFar = null;
double lowestTemp = 99999;
DirectoryResource dr = new DirectoryResource();
for (File f : dr.selectedFiles()) {
FileResource fr = new FileResource(f);
CSVRecord currentRow = coldestHourInFile(fr.getCSVParser());
double currentTemp = Double.parseDouble(currentRow.get("TemperatureF"));
if (currentTemp < lowestTemp) {
lowestTemp = currentTemp;
lowestSoFar = currentRow;
fileName = f.getName();
}
/*
if (lowestSoFar == null) {
lowestSoFar = currentRow;
fileName = f.getName();
selectedFr = fr;
} else {
lowestSoFar = getLowestOfTwo(currentRow, lowestSoFar);
fileName = f.getName();
selectedFr = fr;
}
*/
}
System.out.println("Coldest day was in file " + fileName);
System.out.println("Coldest temperature on that day was " + lowestSoFar.get("TemperatureF"));
System.out.println("All the Temperatures on the coldest day were:");
}
@Test
public void testFileLowestHumidity() {
CSVRecord coldestRecord = null;
DirectoryResource dr = new DirectoryResource();
String filename = "";
for (File f : dr.selectedFiles()) {
FileResource fr = new FileResource(f);
CSVRecord record = WeatherCSVProblem.lowestHumidityInFile(fr.getCSVParser());
if (coldestRecord == null) {
coldestRecord = record;
} else {
double recordTemp = Double.parseDouble(record.get("Humidity"));
double coldestTemp = Double.parseDouble(coldestRecord.get("Humidity"));
if (recordTemp < coldestTemp) {
coldestRecord = record;
filename = f.getName();
}
}
}
System.out.println(filename);
System.out.println(
"Lowest Humidity " + coldestRecord.get("Humidity") + " at " + coldestRecord.get("DateUTC"));
}
public static CSVRecord lowestHumidityInManyFiles() {
CSVRecord lowestSoFar = null;
DirectoryResource dir = new DirectoryResource();
for (File file : dir.selectedFiles()) {
FileResource fr = new FileResource(file);
CSVParser csv = fr.getCSVParser();
CSVRecord lowestInFile = lowestHumidityInFile(csv);
lowestSoFar = getLowestOfTwo(lowestInFile, lowestSoFar);
}
return lowestSoFar;
}
public static CSVRecord hottestInManyDays() {
CSVRecord largestSoFar = null;
DirectoryResource dr = new DirectoryResource();
for (File f : dr.selectedFiles()) {
FileResource fr = new FileResource(f);
CSVRecord currentRow = hottestHourInFile(fr.getCSVParser());
if (largestSoFar == null) {
largestSoFar = currentRow;
} else {
largestSoFar = getLargestOfTwo(currentRow, largestSoFar);
}
}
return largestSoFar;
}
/**
* Takes selected files and returns name of file with lowest temp
*
* @return name of file with lowest temperature
*/
public static String fileWithColdestTemperature() {
DirectoryResource dir = new DirectoryResource();
CSVRecord lowestSoFar = null;
File lowestFile = null;
for (File fr : dir.selectedFiles()) {
FileResource frR = new FileResource(fr);
CSVParser csv = frR.getCSVParser();
CSVRecord record = coldestHourInFile(csv);
if (coldestOfTwo(record, lowestSoFar)) {
lowestFile = fr;
}
}
return lowestFile.getAbsolutePath();
}
public static CSVRecord lowestHumidityInManyFiles() {
CSVRecord lowestRecordSoFar = null;
double lowestHumiditySoFar = 101;
DirectoryResource dr = new DirectoryResource();
for (File f : dr.selectedFiles()) {
FileResource fr = new FileResource(f);
CSVParser parser = fr.getCSVParser();
CSVRecord record = lowestHumidityInFile(parser);
double currentHumidity = Double.parseDouble(record.get("Humidity"));
if (currentHumidity < lowestHumiditySoFar) {
lowestHumiditySoFar = currentHumidity;
lowestRecordSoFar = record;
}
}
return lowestRecordSoFar;
}
/*
* method to load the dictionaries in the given directory and return the HashMap
*/
private HashMap<String, HashSet<String>> loadDictionaries(DirectoryResource dr) {
HashMap<String, HashSet<String>> dictMap = new HashMap<String, HashSet<String>>();
for (File f : dr.selectedFiles()) {
System.out.println("loading dictionary: " + f.getName());
FileResource fr = new FileResource(f);
HashSet<String> dict = readDictionary(fr);
dictMap.put(f.getName(), dict);
}
return dictMap;
}