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This commit is contained in:
dasha 2023-02-27 17:53:52 +04:00
parent 810da185a0
commit 2138819860
7 changed files with 245 additions and 3 deletions
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4
src/main/java/com/labwork1/app/AppApplication.java
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@ -12,7 +12,7 @@ public class AppApplication {
public static void main(String[] args) {
SpringApplication.run(AppApplication.class, args);
}
@GetMapping("/hello")
/*@GetMapping("/hello")
public String hello(@RequestParam(value = "name", defaultValue = "World") String name) {
return String.format("Hello %s!", name);
}
@ -39,5 +39,5 @@ public class AppApplication {
return null;
}
return Double.toString(first/second);
}
}*/
}

44
src/main/java/com/labwork1/app/calc/controller/CalcController.java Normal file
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@ -0,0 +1,44 @@
package com.labwork1.app.calc.controller;
import com.labwork1.app.calc.service.CalcService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class CalcController {
private final CalcService calcService;
public CalcController(CalcService calcService) {
this.calcService = calcService;
}
@GetMapping("/plus")
public String plus(@RequestParam(required = false, defaultValue = "0") Object first,
@RequestParam(required = false, defaultValue = "0") Object second,
@RequestParam(required = false, defaultValue = "num") String type) {
return calcService.plus((Object) first, (Object) second, type);
}
@GetMapping("/minus")
public String minus(@RequestParam(required = false, defaultValue = "0") Object first,
@RequestParam(required = false, defaultValue = "0") Object second,
@RequestParam(required = false, defaultValue = "num") String type) {
return calcService.minus((Object) first, (Object) second, type);
}
@GetMapping("/mult")
public String mult(@RequestParam(required = false, defaultValue = "1") Object first,
@RequestParam(required = false, defaultValue = "1") Object second,
@RequestParam(required = false, defaultValue = "num") String type) {
return calcService.mult((Object) first, (Object) second, type);
}
@GetMapping("/div")
public String div(@RequestParam(required = false, defaultValue = "1") Object first,
@RequestParam(required = false, defaultValue = "1") Object second,
@RequestParam(required = false, defaultValue = "num") String type) {
if(Integer.parseInt(second.toString()) == 0)
{
return null;
}
return calcService.div((Object) first, (Object) second, type);
}
}

46
src/main/java/com/labwork1/app/calc/domain/CalcNum.java Normal file
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@ -0,0 +1,46 @@
package com.labwork1.app.calc.domain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.stereotype.Component;
@Component(value = "num")
public class CalcNum implements ICalc<Integer>, InitializingBean, DisposableBean {
private final Logger log = LoggerFactory.getLogger(CalcNum.class);
@Override
public void afterPropertiesSet() {
log.info("CalcNum.afterPropertiesSet()");
}
@Override
public void destroy() {
log.info("CalcNum.destroy()");
}
@Override
public Integer Plus(Integer first, Integer second) {
return first + second;
}
@Override
public Integer Mult(Integer first, Integer second) {
return first * second;
}
@Override
public Integer Minus(Integer first, Integer second) {
return first - second;
}
@Override
public Integer Div(Integer first, Integer second) {
if (second == 0){
return null;
}else{
return first / second;
}
}
}

46
src/main/java/com/labwork1/app/calc/domain/CalcStr.java Normal file
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@ -0,0 +1,46 @@
package com.labwork1.app.calc.domain;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.stereotype.Component;
@Component(value = "str")
public class CalcStr implements ICalc<String>, InitializingBean, DisposableBean {
private final Logger log = LoggerFactory.getLogger(CalcStr.class);
@Override
public void afterPropertiesSet() {
log.info("CalcStr.afterPropertiesSet()");
}
@Override
public void destroy() {
log.info("CalcStr.destroy()");
}
@Override
public String Plus(String first, String second) {
return first.concat(second);
}
@Override
public String Mult(String first, String second) {
String temp = first;
for (int i = 0; i < Integer.parseInt(second) - 1; i++) {
temp = Plus(temp, first);
}
return temp;
}
@Override
public String Minus(String first, String second) {
return first.replaceFirst(second, "");
}
@Override
public String Div(String first, String second) {
return first.replaceAll(second, "");
}
}

11
src/main/java/com/labwork1/app/calc/domain/ICalc.java Normal file
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@ -0,0 +1,11 @@
package com.labwork1.app.calc.domain;
public interface ICalc<T> {
T Plus(T first, T second);
T Mult(T first, T second);
T Minus(T first, T second);
T Div(T first, T second);
}

52
src/main/java/com/labwork1/app/calc/service/CalcService.java Normal file
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@ -0,0 +1,52 @@
package com.labwork1.app.calc.service;
import com.labwork1.app.calc.domain.CalcNum;
import com.labwork1.app.calc.domain.CalcStr;
import com.labwork1.app.calc.domain.ICalc;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;
@Service
public class CalcService {
private final ApplicationContext applicationContext;
public CalcService(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
public String plus(Object first, Object second, String type) {
final ICalc temp = (ICalc) applicationContext.getBean(type);
if (temp instanceof CalcStr) {
return String.format("%s", temp.Plus(first, second));
}else{
return String.format("%s", temp.Plus(Integer.parseInt(first.toString()), Integer.parseInt(second.toString())));
}
}
public String minus(Object first, Object second, String type) {
final ICalc temp = (ICalc) applicationContext.getBean(type);
if (temp instanceof CalcStr) {
return String.format("%s", temp.Minus(first, second));
}else{
return String.format("%s", temp.Minus(Integer.parseInt(first.toString()), Integer.parseInt(second.toString())));
}
}
public String mult(Object first, Object second, String type) {
final ICalc temp = (ICalc) applicationContext.getBean(type);
if (temp instanceof CalcStr) {
return String.format("%s", temp.Mult(first, second));
}else{
return String.format("%s", temp.Mult(Integer.parseInt(first.toString()), Integer.parseInt(second.toString())));
}
}
public String div(Object first, Object second, String type) {
final ICalc temp = (ICalc) applicationContext.getBean(type);
if (temp instanceof CalcStr) {
return String.format("%s", temp.Div(first, second));
}else{
return String.format("%s", temp.Div(Integer.parseInt(first.toString()), Integer.parseInt(second.toString())));
}
}
}

45
src/test/java/com/labwork1/app/AppApplicationTests.java
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@ -1,13 +1,56 @@
package com.labwork1.app;
import com.labwork1.app.calc.service.CalcService;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class AppApplicationTests {
@Autowired
CalcService calcService;
@Test
void contextLoads() {
void testPlusNum() {
final String res = calcService.plus(10, 10, "num");
Assertions.assertEquals(20, Integer.parseInt(res));
}
@Test
void testMinusNum() {
final String res = calcService.minus(5, 2, "num");
Assertions.assertEquals(3, Integer.parseInt(res));
}
@Test
void testMultNum() {
final String res = calcService.mult(10, 10, "num");
Assertions.assertEquals(100, Integer.parseInt(res));
}
@Test
void testDivNum() {
final String res = calcService.div(20, 10, "num");
Assertions.assertEquals(2, Integer.parseInt(res));
}
@Test
void testPlusStr() {
final String res = calcService.plus("10", "10", "str");
Assertions.assertEquals("1010", res);
}
@Test
void testMinusStr() {
final String res = calcService.minus("5252", "2", "str");
Assertions.assertEquals("552", res);
}
@Test
void testMultStr() {
final String res = calcService.mult("5", "3", "str");
Assertions.assertEquals("555", res);
}
@Test
void testDivStr() {
final String res = calcService.div("5252", "2", "str");
Assertions.assertEquals("55", res);
}
}