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26 changed files with 883 additions and 24 deletions

55
.gitignore vendored
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# ---> Java
# Compiled class file
*.class
HELP.md
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
# Log file
*.log
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
# BlueJ files
*.ctxt
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
# Mobile Tools for Java (J2ME)
.mtj.tmp/
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
replay_pid*
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/

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# Minhasapov_IP_LabWork1

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build.gradle Normal file
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plugins {
id 'java'
id 'org.springframework.boot' version '3.0.2'
id 'io.spring.dependency-management' version '1.1.0'
}
group = 'ru.ulstu.is'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}
tasks.named('test') {
useJUnitPlatform()
}

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frontend/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>Calc</title>
<link rel="stylesheet" href="https://unpkg.com/chota@latest">
</head>
<body>
<div class="container" style="max-width:600px">
<div class="card row is-full-screen is-center">
<div class="col">
<div class="row">
<div class="col">
<input type="text" id="val1">
</div>
<div class="col">
<select id="operation">
<option value="sum" selected>+</option>
<option value="sub">-</option>
<option value="mul">*</option>
<option value="div">/</option>
</select>
</div>
<div class="col">
<input type="text" id="val2">
</div>
</div>
<div class="row">
<div class="col">
<button type="button" id="get-int-result" onclick="calculate('inttype')">Result for int</button>
</div>
<div class="col is-right">
<button type="button" id="get-string-result" onclick="calculate('stringtype')">Result for string</button>
</div>
</div>
<div class="card row is-center">
<h5 class="is-center" id="result"></h5>
</div>
</div>
</div>
</div>
<script>
async function calculate(resulttype) {
const val1 = document.getElementById("val1").value
const val2 = document.getElementById("val2").value
const op = document.getElementById("operation").value
if (op == 'sum') {
document.getElementById("result").innerHTML = await (await fetch(`http://127.0.0.1:8080/sum?val1=${val1}&val2=${val2}&type=${resulttype}`)).text()
} else if (op == 'sub') {
document.getElementById("result").innerHTML = await (await fetch(`http://127.0.0.1:8080/sub?val1=${val1}&val2=${val2}&type=${resulttype}`)).text()
} else if (op == 'mul') {
document.getElementById("result").innerHTML = await (await fetch(`http://127.0.0.1:8080/mul?val1=${val1}&val2=${val2}&type=${resulttype}`)).text()
} else {
document.getElementById("result").innerHTML = await (await fetch(`http://127.0.0.1:8080/div?val1=${val1}&val2=${val2}&type=${resulttype}`)).text()
}
}
</script>
</body>
</html>

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frontend/index.js Normal file
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const fs = require('fs')
const http = require('http')
const requestListener = async function (req, res) {
res.writeHead(200);
fs.readFile('index.html', (err, data) => {
res.end(data);
});
};
const server = http.createServer(requestListener)
server.listen(5050)

9
frontend/node_modules/fs/README.md generated vendored Normal file
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# Security holding package
This package name is not currently in use, but was formerly occupied
by another package. To avoid malicious use, npm is hanging on to the
package name, but loosely, and we'll probably give it to you if you
want it.
You may adopt this package by contacting support@npmjs.com and
requesting the name.

46
frontend/node_modules/fs/package.json generated vendored Normal file
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{
"_from": "fs",
"_id": "fs@0.0.1-security",
"_inBundle": false,
"_integrity": "sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w==",
"_location": "/fs",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "fs",
"name": "fs",
"escapedName": "fs",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/"
],
"_resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
"_shasum": "8a7bd37186b6dddf3813f23858b57ecaaf5e41d4",
"_spec": "fs",
"_where": "C:\\Users\\user\\Desktop\\something\\frontend",
"author": "",
"bugs": {
"url": "https://github.com/npm/security-holder/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "This package name is not currently in use, but was formerly occupied by another package. To avoid malicious use, npm is hanging on to the package name, but loosely, and we'll probably give it to you if you want it.",
"homepage": "https://github.com/npm/security-holder#readme",
"keywords": [],
"license": "ISC",
"main": "index.js",
"name": "fs",
"repository": {
"type": "git",
"url": "git+https://github.com/npm/security-holder.git"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"version": "0.0.1-security"
}

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frontend/node_modules/http/README.md generated vendored Normal file
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# Security holding package
This package name is not currently in use, but was formerly occupied
by another package. To avoid malicious use, npm is hanging on to the
package name, but loosely, and we'll probably give it to you if you
want it.
You may adopt this package by contacting support@npmjs.com and
requesting the name.

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frontend/node_modules/http/package.json generated vendored Normal file
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{
"_from": "http",
"_id": "http@0.0.1-security",
"_inBundle": false,
"_integrity": "sha512-RnDvP10Ty9FxqOtPZuxtebw1j4L/WiqNMDtuc1YMH1XQm5TgDRaR1G9u8upL6KD1bXHSp9eSXo/ED+8Q7FAr+g==",
"_location": "/http",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "http",
"name": "http",
"escapedName": "http",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/"
],
"_resolved": "https://registry.npmjs.org/http/-/http-0.0.1-security.tgz",
"_shasum": "3aac09129d12dc2747bbce4157afde20ad1f7995",
"_spec": "http",
"_where": "C:\\Users\\user\\Desktop\\something\\frontend",
"bugs": {
"url": "https://github.com/npm/security-holder/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "security holding package",
"homepage": "https://github.com/npm/security-holder#readme",
"name": "http",
"repository": {
"type": "git",
"url": "git+https://github.com/npm/security-holder.git"
},
"version": "0.0.1-security"
}

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frontend/package-lock.json generated Normal file
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{
"name": "frontend",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"fs": {
"version": "0.0.1-security",
"resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
"integrity": "sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w=="
},
"http": {
"version": "0.0.1-security",
"resolved": "https://registry.npmjs.org/http/-/http-0.0.1-security.tgz",
"integrity": "sha512-RnDvP10Ty9FxqOtPZuxtebw1j4L/WiqNMDtuc1YMH1XQm5TgDRaR1G9u8upL6KD1bXHSp9eSXo/ED+8Q7FAr+g=="
}
}
}

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frontend/package.json Normal file
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{
"name": "frontend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"dev": "node index.js"
},
"author": "",
"license": "ISC",
"dependencies": {
"fs": "0.0.1-security",
"http": "0.0.1-security"
}
}

BIN
gradle/wrapper/gradle-wrapper.jar vendored Normal file

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

240
gradlew vendored Normal file
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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

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gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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settings.gradle Normal file
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rootProject.name = 'labwork'

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package ru.ulstu.is.labwork;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
//@RequestMapping("/lab1")
public class LabworkApplication {
public static void main(String[] args) {
SpringApplication.run(LabworkApplication.class, args);
}
}

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package ru.ulstu.is.labwork;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfiguration implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**").allowedMethods("*");
}
}

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package ru.ulstu.is.labwork.calculator.configuration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import ru.ulstu.is.labwork.calculator.domain.Calculator;
import ru.ulstu.is.labwork.calculator.domain.CalculatorInt;
import ru.ulstu.is.labwork.calculator.domain.CalculatorString;
@Configuration
public class CalculatorConfiguration {
@Bean(value = "inttype")
public CalculatorInt createIntCalculator(){
return new CalculatorInt();
}
@Bean(value = "stringtype")
public CalculatorString createStringCalculator(){
return new CalculatorString();
}
}

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package ru.ulstu.is.labwork.calculator.controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import ru.ulstu.is.labwork.calculator.service.CalculatorService;
@RestController
//@RequestMapping("/lab2")
public class CalculatorController {
private final CalculatorService calculatorService;
public CalculatorController(CalculatorService calculatorService){
this.calculatorService = calculatorService;
}
@GetMapping("/sum")
public String sum( @RequestParam(value = "val1", defaultValue = "0") Object val1,
@RequestParam(value = "val2", defaultValue = "0") Object val2,
@RequestParam(value = "type", defaultValue = "inttype") String type)
{
return calculatorService.sum(val1, val2, type).toString();
}
@GetMapping("/sub")
public String sub( @RequestParam(value = "val1", defaultValue = "0") Object val1,
@RequestParam(value = "val2", defaultValue = "0") Object val2,
@RequestParam(value = "type", defaultValue = "inttype") String type)
{
return calculatorService.sub(val1, val2, type).toString();
}
@GetMapping("/mul")
public String mul( @RequestParam(value = "val1", defaultValue = "0") Object val1,
@RequestParam(value = "val2", defaultValue = "0") Object val2,
@RequestParam(value = "type", defaultValue = "inttype") String type)
{
return calculatorService.mul(val1, val2, type).toString();
}
@GetMapping("/div")
public String div( @RequestParam(value = "val1", defaultValue = "0") Object val1,
@RequestParam(value = "val2", defaultValue = "0") Object val2,
@RequestParam(value = "type", defaultValue = "inttype") String type)
{
return calculatorService.div(val1, val2, type).toString();
}
}

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package ru.ulstu.is.labwork.calculator.domain;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
public interface Calculator<T> {
T sum(T val1, T val2);
T sub(T val1, T val2);
T mul(T val1, T val2);
T div(T val1, T val2);
}

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package ru.ulstu.is.labwork.calculator.domain;
public class CalculatorInt implements Calculator<Integer>{
@Override
public Integer sum(Integer val1, Integer val2) {
return val1 + val2;
}
@Override
public Integer sub(Integer val1, Integer val2) {
return val1 - val2;
}
@Override
public Integer mul(Integer val1, Integer val2) {
return val1 * val2;
}
@Override
public Integer div(Integer val1, Integer val2) {
return val1 / val2;
}
}

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package ru.ulstu.is.labwork.calculator.domain;
public class CalculatorString implements Calculator<String>{
@Override
public String sum(String val1, String val2) {
return val1 + '+' + val2;
}
@Override
public String sub(String val1, String val2) {
return val1 + '-' + val2;
}
@Override
public String mul(String val1, String val2) {
return val1 + '*' + val2;
}
@Override
public String div(String val1, String val2) {
return val1 + '/' + val2;
}
}

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package ru.ulstu.is.labwork.calculator.service;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;
import ru.ulstu.is.labwork.calculator.domain.Calculator;
@Service
public class CalculatorService {
private final ApplicationContext applicationContext;
public CalculatorService(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
public Object sum(Object val1, Object val2, String type){
final Calculator calculator = (Calculator) applicationContext.getBean(type);
if ("inttype".equals(type)){
return calculator.sum(Integer.parseInt(val1.toString()), Integer.parseInt(val2.toString()));
}
else if ("stringtype".equals(type)) {
return String.format("%s", calculator.sum(val1.toString(), val2.toString()));
}
return null;
}
public Object sub(Object val1, Object val2, String type){
final Calculator calculator = (Calculator) applicationContext.getBean(type);
if ("inttype".equals(type)){
return calculator.sub(Integer.parseInt(val1.toString()), Integer.parseInt(val2.toString()));
}
else if ("stringtype".equals(type)) {
return String.format("%s", calculator.sub(val1.toString(), val2.toString()));
}
return null;
}
public Object mul(Object val1, Object val2, String type){
final Calculator calculator = (Calculator) applicationContext.getBean(type);
if ("inttype".equals(type)){
return calculator.mul(Integer.parseInt(val1.toString()), Integer.parseInt(val2.toString()));
}
else if ("stringtype".equals(type)) {
return String.format("%s", calculator.mul(val1.toString(), val2.toString()));
}
return null;
}
public Object div(Object val1, Object val2, String type){
final Calculator calculator = (Calculator) applicationContext.getBean(type);
if ("inttype".equals(type)){
return calculator.div(Integer.parseInt(val1.toString()), Integer.parseInt(val2.toString()));
}
else if ("stringtype".equals(type)) {
return String.format("%s", calculator.div(val1.toString(), val2.toString()));
}
return null;
}
}

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package ru.ulstu.is.labwork;
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;
import ru.ulstu.is.labwork.calculator.service.CalculatorService;
@SpringBootTest
class LabworkApplicationTests {
@Autowired
CalculatorService calculatorService;
@Test
void stringSum() {
Assertions.assertEquals("Hello+World!", calculatorService.sum("Hello", "World!", "stringtype"));
Assertions.assertEquals("+Hello, World!", calculatorService.sum("", "Hello, World!", "stringtype"));
}
@Test
void stringSub() {
Assertions.assertEquals("Крокодил-Гена", calculatorService.sub("Крокодил", "Гена", "stringtype"));
Assertions.assertEquals("Атомное-сердце", calculatorService.sub("Атомное", "сердце", "stringtype"));
Assertions.assertEquals("Почему-Жак Фреско", calculatorService.sub("Почему", "Жак Фреско", "stringtype"));
}
@Test
void stringMul() {
Assertions.assertEquals("Это*Звездочка", calculatorService.mul("Это", "Звездочка", "stringtype"));
Assertions.assertEquals("п*чему", calculatorService.mul("п", "чему", "stringtype"));
Assertions.assertEquals("Звездочкой * обозначают умножение", calculatorService.mul("Звездочкой ", " обозначают умножение", "stringtype"));
}
@Test
void stringDiv() {
Assertions.assertEquals("б/п", calculatorService.div("б", "п", "stringtype"));
Assertions.assertEquals("/1", calculatorService.div("", "1", "stringtype"));
Assertions.assertEquals("-/-", calculatorService.div("-", "-", "stringtype"));
}
@Test
void intSum() {
Assertions.assertEquals(22, calculatorService.sum(11, 11, "inttype"));
Assertions.assertEquals(-10, calculatorService.sum(15, -25, "inttype"));
}
@Test
void intSub() {
Assertions.assertEquals(0, calculatorService.sub(10, 10, "inttype"));
Assertions.assertEquals(100, calculatorService.sub(100, 0, "inttype"));
Assertions.assertEquals(3, calculatorService.sub(-3, -6, "inttype"));
}
@Test
void intMul() {
Assertions.assertEquals(0, calculatorService.mul(0, 10, "inttype"));
Assertions.assertEquals(18, calculatorService.mul(6, 3, "inttype"));
Assertions.assertEquals(-4, calculatorService.mul(-1, 4, "inttype"));
}
@Test
void intDiv() {
Assertions.assertEquals(-1, calculatorService.div(-1, 1, "inttype"));
Assertions.assertEquals(2, calculatorService.div(100, 50, "inttype"));
Assertions.assertEquals(8, calculatorService.div(64, 8, "inttype"));
}
}