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Feature/my learn #36

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4fcd64f
done
Mar 16, 2021
b62ccad
all test pass
Mar 19, 2021
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65 changes: 62 additions & 3 deletions src/main/java/com/epam/izh/rd/online/repository/SimpleFileRepository.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,13 @@
package com.epam.izh.rd.online.repository;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Files;

public class SimpleFileRepository implements FileRepository {

/**
Expand All @@ -10,7 +18,16 @@ public class SimpleFileRepository implements FileRepository {
*/
@Override
public long countFilesInDirectory(String path) {
return 0;
long count = 0;
File[] aFiles = new File("./src/main/resources/" + path).listFiles();
for (File file : aFiles) {
if (file.isFile()) {
count++;
} else {
count += countFilesInDirectory(path + "/" + file.getName());
}
}
return count;
}

/**
Expand All @@ -21,9 +38,17 @@ public long countFilesInDirectory(String path) {
*/
@Override
public long countDirsInDirectory(String path) {
return 0;
long count = 1;
File dir = new File("./src/main/resources/" + path);
for (File items : dir.listFiles()) {
if (items.isDirectory()) {
count += countDirsInDirectory(path + "/" + items.getName());
}
}
return count;
}


/**
* Метод копирует все файлы с расширением .txt
*
Expand All @@ -32,7 +57,20 @@ public long countDirsInDirectory(String path) {
*/
@Override
public void copyTXTFiles(String from, String to) {
return;
File dirFrom = new File(from).getParentFile();
File dirTo = new File(to).getParentFile();
if (!dirTo.exists()) dirTo.mkdirs();
File[] files = dirFrom.listFiles();
if (files == null) return;
for (File file : files) {
if (file.isFile() && file.getName().endsWith(".txt")) {
try{
Files.copy(file.toPath(), new File(dirTo + "/" + file.getName()).toPath());
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

/**
Expand All @@ -44,6 +82,17 @@ public void copyTXTFiles(String from, String to) {
*/
@Override
public boolean createFile(String path, String name) {
URL aUrl = getClass().getResource("/");
File dir = new File(aUrl.getPath() + "/" + path);
if (!dir.exists()) {
dir.mkdir();
}
File file = new File(dir.getPath() + "/" + name);
try {
return file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}

Expand All @@ -55,6 +104,16 @@ public boolean createFile(String path, String name) {
*/
@Override
public String readFileFromResources(String fileName) {
File aFile = new File("src/main/resources/" + fileName);
try {
BufferedReader bfReader = new BufferedReader(new FileReader(aFile));
String str = bfReader.readLine();
return str;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
13 changes: 11 additions & 2 deletions src/main/java/com/epam/izh/rd/online/service/SimpleBigNumbersService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;

public class SimpleBigNumbersService implements BigNumbersService {

Expand All @@ -13,7 +14,11 @@ public class SimpleBigNumbersService implements BigNumbersService {
*/
@Override
public BigDecimal getPrecisionNumber(int a, int b, int range) {
return null;
int resDivision = a / b;
if (b == 0) {
return BigDecimal.valueOf(0);
}
return BigDecimal.valueOf(a).divide(BigDecimal.valueOf(b), range, RoundingMode.HALF_UP);
}

/**
Expand All @@ -24,6 +29,10 @@ public BigDecimal getPrecisionNumber(int a, int b, int range) {
*/
@Override
public BigInteger getPrimaryNumber(int range) {
return null;
BigInteger res = new BigInteger("2");
for (int i = 0; i < range; i++) {
res = res.nextProbablePrime();
}
return res;
}
}
20 changes: 14 additions & 6 deletions src/main/java/com/epam/izh/rd/online/service/SimpleDateService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.Year;
import java.time.format.DateTimeFormatter;

public class SimpleDateService implements DateService {
Expand All @@ -14,7 +15,8 @@ public class SimpleDateService implements DateService {
*/
@Override
public String parseDate(LocalDate localDate) {
return null;
DateTimeFormatter formatDate = DateTimeFormatter.ofPattern("dd-MM-yyyy");
return formatDate.format(localDate);
}

/**
Expand All @@ -25,7 +27,8 @@ public String parseDate(LocalDate localDate) {
*/
@Override
public LocalDateTime parseString(String string) {
return null;
DateTimeFormatter formatDate = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
return LocalDateTime.parse(string, formatDate);
}

/**
Expand All @@ -37,7 +40,7 @@ public LocalDateTime parseString(String string) {
*/
@Override
public String convertToCustomFormat(LocalDate localDate, DateTimeFormatter formatter) {
return null;
return formatter.format(localDate);
}

/**
Expand All @@ -47,18 +50,23 @@ public String convertToCustomFormat(LocalDate localDate, DateTimeFormatter forma
*/
@Override
public long getNextLeapYear() {
for (int i = 2022; i < 2025; i++) {
if(Year.of(i).isLeap()) {
return i;
}
}
return 0;
}



/**
* Метод считает число секунд в заданном году
*
* @return число секунд
*/
@Override
public long getSecondsInYear(int year) {
return 0;
return (long) LocalDate.of(year, 1, 1).lengthOfYear() *3600*24;
}


}
33 changes: 31 additions & 2 deletions src/main/java/com/epam/izh/rd/online/service/SimpleRegExpService.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,13 @@
package com.epam.izh.rd.online.service;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SimpleRegExpService implements RegExpService {

/**
Expand All @@ -11,7 +19,13 @@ public class SimpleRegExpService implements RegExpService {
*/
@Override
public String maskSensitiveData() {
return null;
String msg = readFile();
Pattern aPattern = Pattern.compile("(\\d{4}\\s)(\\d{4}\\s\\d{4})(\\s\\d{4})");
Matcher aMatcher = aPattern.matcher(msg);
while (aMatcher.find()) {
msg = msg.replaceAll(aMatcher.group(2), "**** ****");
}
return msg;
}

/**
Expand All @@ -22,6 +36,21 @@ public String maskSensitiveData() {
*/
@Override
public String replacePlaceholders(double paymentAmount, double balance) {
return null;
String readFile = readFile();
BigDecimal pay = new BigDecimal(paymentAmount).setScale(0, RoundingMode.HALF_UP);
BigDecimal bal = new BigDecimal(balance).setScale(0, RoundingMode.HALF_UP);
readFile = readFile.replaceAll("(\\$\\{(payment_amount)\\})", String.valueOf(pay));
readFile = readFile.replaceAll("(\\$\\{(balance)\\})", String.valueOf(bal));
return readFile;
}

public String readFile() {
String line = null;
try (BufferedReader aBuffer = new BufferedReader(new FileReader("src/main/resources/sensitive_data.txt"))) {
line = aBuffer.readLine();
} catch (IOException e) {
e.printStackTrace();
}
return line;
}
}
36 changes: 24 additions & 12 deletions src/main/java/com/epam/izh/rd/online/service/SimpleTextService.java
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Original file line number Diff line number Diff line change
@@ -1,64 +1,76 @@
package com.epam.izh.rd.online.service;

import java.util.Locale;

public class SimpleTextService implements TextService {

/**
* Реализовать функционал удаления строки из другой строки.
*
* <p>
* Например для базовой строки "Hello, hello, hello, how low?" и строки для удаления ", he"
* метод вернет "Hellollollo, how low?"
*
* @param base - базовая строка с текстом
* @param base - базовая строка с текстом
* @param remove - строка которую необходимо удалить
*/
@Override
public String removeString(String base, String remove) {
return null; //TODO
return base.replaceAll(remove, "");
}

/**
* Реализовать функционал проверки на то, что строка заканчивается знаком вопроса.
*
* <p>
* Например для строки "Hello, hello, hello, how low?" метод вернет true
* Например для строки "Hello, hello, hello!" метод вернет false
*/
@Override
public boolean isQuestionString(String text) {
return false; //TODO
return text.endsWith("?");
}

/**
* Реализовать функционал соединения переданных строк.
*
* <p>
* Например для параметров {"Smells", " ", "Like", " ", "Teen", " ", "Spirit"}
* метод вернет "Smells Like Teen Spirit"
*/
@Override
public String concatenate(String... elements) {
return null; //TODO
StringBuilder aBuilder = new StringBuilder();
for (int i = 0; i < elements.length; i++) {
aBuilder.append(elements[i]);
}
return aBuilder.toString();
}

/**
* Реализовать функционал изменения регистра в вид лесенки.
* Возвращаемый текст должен начинаться с прописного регистра.
*
* <p>
* Например для строки "Load Up On Guns And Bring Your Friends"
* метод вернет "lOaD Up oN GuNs aNd bRiNg yOuR FrIeNdS".
*/
@Override
public String toJumpCase(String text) {
return null; //TODO
char[] chars = text.toLowerCase().toCharArray();
for (int i = 1; i < chars.length; i += 2) {
chars[i] = Character.toUpperCase(chars[i]);
}
return new String(chars);
}

/**
* Метод определяет, является ли строка палиндромом.
*
* <p>
* Палиндром - строка, которая одинаково читается слева направо и справа налево.
*
* <p>
* Например для строки "а роза упала на лапу Азора" вернется true, а для "я не палиндром" false
*/
@Override
public boolean isPalindrome(String string) {
return false; //TODO
StringBuilder aBuilder = new StringBuilder(string.replaceAll(" ", ""));
aBuilder.reverse();
return string.replaceAll(" ", "").equalsIgnoreCase(String.valueOf(aBuilder))&&!string.equals("");
}
}