diff --git a/.gitignore b/.gitignore
index 5ff6309..c0ceab4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ target/
!**/src/test/**/target/
### IntelliJ IDEA ###
+.idea
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
@@ -35,4 +36,6 @@ build/
.vscode/
### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
+
+.gradle
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..07a78c6
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,109 @@
+plugins {
+ id 'java-library'
+ id 'maven-publish'
+ id 'jacoco'
+ id 'org.sonarqube' version '4.4.1.3373'
+}
+
+group = 'org.writer'
+version = projectVersion
+
+java {
+ toolchain {
+ languageVersion = JavaLanguageVersion.of(17)
+ }
+ withSourcesJar()
+ withJavadocJar()
+}
+
+jacoco {
+ toolVersion = "0.8.10"
+ reportsDirectory = layout.buildDirectory.dir('reports/jacoco')
+}
+
+repositories {
+ mavenCentral()
+}
+
+configurations {
+ compileOnly {
+ extendsFrom annotationProcessor
+ }
+}
+
+dependencies {
+ implementation "com.github.javafaker:javafaker:$fakerLibVersion"
+ testImplementation platform("org.junit:junit-bom:$jupiterPomVersion")
+ testImplementation "org.junit.jupiter:junit-jupiter"
+ testImplementation "org.mockito:mockito-core:$mockitoCoreVersion"
+}
+
+test {
+ useJUnitPlatform()
+ finalizedBy jacocoTestReport
+}
+
+jacocoTestReport {
+ dependsOn test
+
+ reports {
+ xml.required = true
+ html.required = true
+ csv.required = false
+
+ xml.outputLocation = layout.buildDirectory.file("reports/jacoco/test/jacocoTestReport.xml")
+ html.outputLocation = layout.buildDirectory.dir("reports/jacoco/test/html")
+ }
+
+ classDirectories.setFrom(files(
+ sourceSets.main.output.classesDirs.files.collect {
+ fileTree(dir: it, excludes: [
+ '**/org/writer/util/GeneratorFakeData.class',
+ '**/org/writer/util/GeneratorFakeData$*.class',
+ '**/org/writer/exception/CsvWriterException.java'
+ ])
+ }
+ ))
+
+}
+
+publishing {
+ publications {
+ mavenJava(MavenPublication) {
+ from components.java
+ artifactId = 'scv-writer'
+ }
+ }
+ repositories {
+ mavenLocal()
+ }
+}
+
+tasks.named('test') {
+ finalizedBy jacocoTestReport
+}
+
+tasks.named('jacocoTestReport') {
+ finalizedBy tasks.named('sonar')
+}
+
+tasks.named('build') {
+ dependsOn tasks.named('sonar')
+}
+
+tasks.named('sonar') {
+ mustRunAfter tasks.named('jacocoTestReport')
+}
+
+tasks.named('compileJava') {
+ finalizedBy tasks.named('sonar')
+}
+
+sonarqube {
+ properties {
+ property "sonar.gradle.skipCompile", "true"
+ property "sonar.coverage.exclusions", ["**/org/writer/util/GeneratorFakeData.java",
+ "**/org/writer/exception/CsvWriterException.java"]
+
+ }
+}
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..6171a32
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,10 @@
+systemProp.sonar.host.url=http://localhost:9000
+systemProp.sonar.projectKey=Csv-writer
+systemProp.sonar.projectName=Csv-writer library
+systemProp.sonar.token=squ_b5f679133764b0c8b6acc6456985df489522849a
+
+fakerLibVersion=1.0.2
+mockitoCoreVersion=5.20.0
+jupiterPomVersion=5.10.0
+
+projectVersion=1.0-SNAPSHOT
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e644113
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..a441313
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..b740cf1
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,249 @@
+#!/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/HEAD/platforms/jvm/plugins-application/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
+
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+ echo "$*"
+} >&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: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD=java
+ if ! command -v java >/dev/null 2>&1
+ then
+ die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+ case $MAX_FD in #(
+ max*)
+ # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+ # shellcheck disable=SC2039,SC3045
+ MAX_FD=$( ulimit -H -n ) ||
+ warn "Could not query maximum file descriptor limit"
+ esac
+ case $MAX_FD in #(
+ '' | soft) :;; #(
+ *)
+ # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+ # shellcheck disable=SC2039,SC3045
+ ulimit -n "$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
+
+
+# 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"'
+
+# Collect all arguments for the java command:
+# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+# and any embedded shellness will be escaped.
+# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+# treated as '${Hostname}' itself on the command line.
+
+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 "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..7101f8e
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,92 @@
+@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=.
+@rem This is normally unused
+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. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+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
diff --git a/pom.xml b/pom.xml
deleted file mode 100644
index effc1bd..0000000
--- a/pom.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-
-
- 4.0.0
-
- org.writer
- csv
- 1.0-SNAPSHOT
-
-
- 17
- 17
- UTF-8
-
-
-
-
- org.projectlombok
- lombok
- 1.18.34
- provided
-
-
- org.junit.jupiter
- junit-jupiter
- 5.8.1
- test
-
-
-
-
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..452d8c7
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1 @@
+rootProject.name = "csv"
diff --git a/src/main/java/org/writer/Main.java b/src/main/java/org/writer/Main.java
index 40e8213..5a9a556 100644
--- a/src/main/java/org/writer/Main.java
+++ b/src/main/java/org/writer/Main.java
@@ -1,7 +1,18 @@
package org.writer;
+import org.writer.model.Person;
+import org.writer.model.Student;
+import org.writer.util.GeneratorFakeData;
+import org.writer.writer.CSVWriter;
+
+import java.util.List;
+
public class Main {
public static void main(String[] args) {
- System.out.println("Hello world!");
+ List persons = GeneratorFakeData.generatePersons(12);
+ List students = GeneratorFakeData.generateStudents(3);
+ CSVWriter csvWriter = new CSVWriter();
+ csvWriter.writeToFile(persons, "persons.csv");
+ csvWriter.writeToFile(students, "students.csv");
}
}
\ No newline at end of file
diff --git a/src/main/java/org/writer/annotation/CSVField.java b/src/main/java/org/writer/annotation/CSVField.java
new file mode 100644
index 0000000..047c3de
--- /dev/null
+++ b/src/main/java/org/writer/annotation/CSVField.java
@@ -0,0 +1,36 @@
+package org.writer.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Аннотация для маркировки полей,
+ * которые должны быть включены в CSV
+ *
+ * @author Sidorin Aleksei
+ * @version 1.0
+ * @since 16.10.2025
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface CSVField {
+ /**
+ * Название колонки в CSV файле
+ * @return название колонки
+ */
+ String name() default "";
+
+ /**
+ * Порядок колонки в CSV файле
+ * @return порядковый номер
+ */
+ int order() default 0;
+
+ /**
+ * Формат для преобразования значения (например, для дат)
+ * @return строка формата
+ */
+ String format() default "";
+}
diff --git a/src/main/java/org/writer/exception/CsvWriterException.java b/src/main/java/org/writer/exception/CsvWriterException.java
new file mode 100644
index 0000000..d7dda6d
--- /dev/null
+++ b/src/main/java/org/writer/exception/CsvWriterException.java
@@ -0,0 +1,16 @@
+package org.writer.exception;
+
+/**
+ * @author Sidorin Aleksei
+ * @version 1.0
+ * @since 19.12.2025
+ */
+public class CsvWriterException extends RuntimeException {
+ public CsvWriterException(String message) {
+ super(message);
+ }
+
+ public CsvWriterException(String message, Throwable cause) {
+ super(message, cause);
+ }
+}
diff --git a/src/main/java/org/writer/model/Person.java b/src/main/java/org/writer/model/Person.java
index ba8576b..46b90e0 100644
--- a/src/main/java/org/writer/model/Person.java
+++ b/src/main/java/org/writer/model/Person.java
@@ -1,22 +1,72 @@
package org.writer.model;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Data;
+import org.writer.annotation.CSVField;
-@Data
-@Builder
-@AllArgsConstructor
public class Person {
+ @CSVField(name = "Имя", order = 1)
private String firstName;
+ @CSVField(name = "Фамилия", order = 2)
private String lastName;
+ @CSVField(name = "День рождения", order = 3)
private int dayOfBirth;
+ @CSVField(name = "Месяц рождения", order = 4)
private Months monthOfBirth;
+ @CSVField(name = "Год рождения", order = 5)
private int yearOfBirth;
+ public String getFirstName() {
+ return firstName;
+ }
+
+ public void setFirstName(String firstName) {
+ this.firstName = firstName;
+ }
+
+ public String getLastName() {
+ return lastName;
+ }
+
+ public void setLastName(String lastName) {
+ this.lastName = lastName;
+ }
+
+ public int getDayOfBirth() {
+ return dayOfBirth;
+ }
+
+ public void setDayOfBirth(int dayOfBirth) {
+ this.dayOfBirth = dayOfBirth;
+ }
+
+ public Months getMonthOfBirth() {
+ return monthOfBirth;
+ }
+
+ public void setMonthOfBirth(Months monthOfBirth) {
+ this.monthOfBirth = monthOfBirth;
+ }
+
+ public int getYearOfBirth() {
+ return yearOfBirth;
+ }
+
+ public void setYearOfBirth(int yearOfBirth) {
+ this.yearOfBirth = yearOfBirth;
+ }
+
+ public Person() {
+ }
+
+ public Person(String firstName, String lastName, int dayOfBirth, Months monthOfBirth, int yearOfBirth) {
+ this.firstName = firstName;
+ this.lastName = lastName;
+ this.dayOfBirth = dayOfBirth;
+ this.monthOfBirth = monthOfBirth;
+ this.yearOfBirth = yearOfBirth;
+ }
}
diff --git a/src/main/java/org/writer/model/Student.java b/src/main/java/org/writer/model/Student.java
index 2b549c4..9dba7d4 100644
--- a/src/main/java/org/writer/model/Student.java
+++ b/src/main/java/org/writer/model/Student.java
@@ -1,17 +1,39 @@
package org.writer.model;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Data;
+import org.writer.annotation.CSVField;
import java.util.List;
-@Data
-@Builder
-@AllArgsConstructor
public class Student {
+ @CSVField(name = "Имя", order = 1)
private String name;
+ @CSVField(name = "Баллы", order = 2)
private List score;
+
+ public Student() {
+ }
+
+ public Student(String name, List score) {
+ this.name = name;
+ this.score = score;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public List getScore() {
+ return score;
+ }
+
+ public void setScore(List score) {
+ this.score = score;
+ }
+
}
\ No newline at end of file
diff --git a/src/main/java/org/writer/util/GeneratorFakeData.java b/src/main/java/org/writer/util/GeneratorFakeData.java
new file mode 100644
index 0000000..ef48a28
--- /dev/null
+++ b/src/main/java/org/writer/util/GeneratorFakeData.java
@@ -0,0 +1,93 @@
+package org.writer.util;
+
+import com.github.javafaker.Faker;
+import org.writer.model.Months;
+import org.writer.model.Person;
+import org.writer.model.Student;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Генератор случайных данных
+ * для сущностей Person и Student
+ *
+ * @author Sidorin Aleksei
+ * @version 1.0
+ * @since 16.10.2025
+ */
+public class GeneratorFakeData {
+
+ private static final Faker faker = new Faker(new Locale("ru"));
+
+ private GeneratorFakeData() {
+
+ }
+
+ /**
+ * Генерирует список объектов Person со случайными данными
+ *
+ * @param count количество генерируемых объектов
+ * @return список объектов Person со случайными данными
+ * @throws IllegalArgumentException если count меньше или равен 0
+ */
+ public static List generatePersons(int count) {
+ List persons = new ArrayList<>();
+ for (int i = 0; i < count; i++) {
+ persons.add(generatePerson());
+ }
+ return persons;
+ }
+
+ private static Person generatePerson() {
+ Person person = new Person();
+ person.setLastName(faker.name().lastName());
+ person.setDayOfBirth(faker.number().numberBetween(1, 28));
+ person.setMonthOfBirth(Months.values()[faker.number().numberBetween(0, Months.values().length - 1)]);
+ person.setYearOfBirth(faker.number().numberBetween(1950, 2005));
+ return person;
+ }
+
+ /**
+ * Генерирует список объектов Student со случайными данными
+ *
+ * @param count количество генерируемых объектов
+ * @return список объектов Student со случайными данными
+ * @throws IllegalArgumentException если count меньше или равен 0
+ */
+ public static List generateStudents(int count) {
+ List students = new ArrayList<>();
+ for (int i = 0; i < count; i++) {
+ students.add(generateStudent());
+ }
+ return students;
+ }
+
+ private static Student generateStudent() {
+ Student student = new Student();
+ student.setName(faker.name().firstName() + " " + faker.name().lastName());
+ student.setScore(generateScores());
+ return student;
+
+ }
+
+ /**
+ * Генерирует список случайных баллов в диапазоне от 0 до 100
+ *
+ * @return список строк, содержащих числовые баллы от 0 до 100
+ */
+ private static List generateScores() {
+ List scores = new ArrayList<>();
+
+ int count = 1 + faker.random().nextInt(10);
+
+ for (int i = 0; i < count; i++) {
+ int score = faker.random().nextInt(101);
+ scores.add(String.valueOf(score));
+ }
+
+ return scores;
+ }
+
+}
diff --git a/src/main/java/org/writer/writer/CSVWriter.java b/src/main/java/org/writer/writer/CSVWriter.java
new file mode 100644
index 0000000..dfe6b75
--- /dev/null
+++ b/src/main/java/org/writer/writer/CSVWriter.java
@@ -0,0 +1,170 @@
+package org.writer.writer;
+
+import org.writer.exception.CsvWriterException;
+import org.writer.Writable;
+import org.writer.annotation.CSVField;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * Имплиментация генератора csv файлов
+ * на основе интерфейса Writable
+ *
+ * @author Sidorin Aleksei
+ * @version 1.0
+ * @since 16.10.2025
+ */
+public class CSVWriter implements Writable {
+
+ private static final String CSV_DELIMITER = ",";
+ private static final String CSV_QUOTE = "\"";
+ private static final String NEW_LINE = "\n";
+
+ @Override
+ public void writeToFile(List data, String fileName) {
+ if (Objects.isNull(data) || data.isEmpty()) {
+ throw new IllegalArgumentException("List of data cant be null or empty");
+ }
+ if (Objects.isNull(fileName)) {
+ throw new IllegalArgumentException("File name can't be null");
+ }
+
+ File outputDir = new File("outputs");
+ if (!outputDir.exists()) {
+ outputDir.mkdirs();
+ }
+
+ File outputFile = new File(outputDir, fileName);
+ try (BufferedWriter writer = new BufferedWriter(new FileWriter(outputFile))) {
+ Class objectClass = data.get(0).getClass();
+ List fields = getAnnotatedFields(objectClass);
+
+ writer.write(generateHeader(fields));
+ writer.write(NEW_LINE);
+
+ for (var object : data) {
+ writer.write(generateDataRow(object, fields));
+ writer.write(NEW_LINE);
+ }
+ } catch (IOException e) {
+ throw new CsvWriterException("You have uncorrected path way", e);
+ }
+ }
+
+ /**
+ * Экранирует кавычки для CSV
+ * @param value значение для экранирования
+ * @return экранированная строка
+ */
+ private String escapeCsvValue(Object value) {
+ if (value == null) {
+ return "";
+ }
+
+ String stringValue = value.toString();
+ if (stringValue.contains(CSV_DELIMITER) ||
+ stringValue.contains(CSV_QUOTE) ||
+ stringValue.trim().isEmpty()
+ ) {
+ stringValue = stringValue.replace(CSV_QUOTE, CSV_QUOTE + CSV_QUOTE);
+ return CSV_QUOTE + stringValue + CSV_QUOTE;
+ }
+ return stringValue;
+ }
+
+ /**
+ * Получает аннотированные поля класса в правильном порядке
+ * @param clazz класс для анализа
+ * @return список полей с аннотацией CSVField, отсортированный по order
+ */
+ private List getAnnotatedFields(Class clazz) {
+ List annotatedFields = new ArrayList<>();
+
+ Class currentClass = clazz;
+ while (currentClass != null) {
+ Field[] fields = currentClass.getDeclaredFields();
+ for (Field field : fields) {
+ if (field.isAnnotationPresent(CSVField.class)) {
+ field.setAccessible(true);
+ annotatedFields.add(field);
+ }
+ }
+ currentClass = currentClass.getSuperclass();
+ }
+
+ return annotatedFields.stream()
+ .sorted(Comparator.comparingInt(field ->
+ field.getAnnotation(CSVField.class).order()))
+ .toList();
+ }
+
+ /**
+ * Форматирует значение поля согласно аннотации
+ * @param field поле
+ * @param value значение
+ * @return отформатированное значение
+ */
+ private String formatFieldValue(Field field, Object value) {
+ if (value == null) {
+ return "";
+ }
+
+ CSVField annotation = field.getAnnotation(CSVField.class);
+ String format = annotation.format();
+
+ if (!format.isEmpty() && value instanceof LocalDateTime localDateTime) {
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
+ return localDateTime.format(formatter);
+ }
+
+ return value.toString();
+ }
+
+ /**
+ * Генерирует заголовок CSV на основе аннотаций полей
+ * @param fields список полей
+ * @return строка заголовка
+ */
+ private String generateHeader(List fields) {
+ return fields.stream()
+ .map(field -> {
+ CSVField annotation = field.getAnnotation(CSVField.class);
+ String columnName = annotation.name().isEmpty() ?
+ field.getName() : annotation.name();
+ return escapeCsvValue(columnName);
+ })
+ .collect(Collectors.joining(CSV_DELIMITER));
+ }
+
+ /**
+ * Генерирует строку данных для объекта
+ * @param object объект
+ * @param fields список полей
+ * @return строка данных
+ */
+ private String generateDataRow(Object object, List fields) {
+ return fields.stream()
+ .map(field -> {
+ try {
+ Object value = field.get(object);
+ String formattedValue = formatFieldValue(field, value);
+ return escapeCsvValue(formattedValue);
+ } catch (IllegalAccessException e) {
+ throw new CsvWriterException("Cant generate data csv",e);
+ }
+ })
+ .collect(Collectors.joining(CSV_DELIMITER));
+ }
+
+}
diff --git a/src/test/java/org/writer/writer/CSVWriterTest.java b/src/test/java/org/writer/writer/CSVWriterTest.java
new file mode 100644
index 0000000..866808d
--- /dev/null
+++ b/src/test/java/org/writer/writer/CSVWriterTest.java
@@ -0,0 +1,209 @@
+package org.writer.writer;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+import org.writer.model.Months;
+import org.writer.model.Person;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * Тестовый класс для проверки функциональности CSVWriter.
+ *
+ * @author Sidorin Aleksei
+ * @version 1.0
+ * @since 16.10.2025
+ */
+class CSVWriterTest {
+
+ /**
+ * Очищает все тестовые файлы после каждого теста.
+ * Удаляет CSV файлы из директории outputs, которые могли быть созданы в ходе тестирования.
+ *
+ * @throws IOException если возникают ошибки ввода-вывода при удалении файлов
+ */
+ @AfterEach
+ void cleanUpTestFiles() throws IOException {
+ String outputDir = "outputs";
+ Path outputPath = Paths.get(outputDir);
+
+ if (!Files.exists(outputPath)) {
+ return;
+ }
+
+ try (var files = Files.list(outputPath)) {
+ files.filter(Files::isRegularFile)
+ .filter(path -> path.toString().toLowerCase().endsWith(".csv")
+ && path.toString().contains("test"))
+ .forEach(path -> {
+ try {
+ Files.delete(path);
+ } catch (IOException e) {
+ throw new RuntimeException("Ошибка при удалении файла " + path.getFileName() + ": " + e.getMessage());
+ }
+ });
+ }
+ }
+
+ /**
+ * Тестирует запись корректных данных в CSV файл.
+ * Проверяет создание файла, его содержимое, количество строк,
+ * соответствие заголовка и данных ожидаемым значениям.
+ *
+ * @throws IOException если возникают ошибки ввода-вывода при чтении файла
+ */
+ @Test
+ void testWriteToFile_WithValidData_CreatesFileWithCorrectContent() throws IOException {
+ CSVWriter csvWriter = new CSVWriter();
+ List testData = Arrays.asList(
+ new Person("John", "Doe", 1, Months.APRIL, 2003),
+ new Person("Jane", "Smith", 12, Months.AUGUST, 1998),
+ new Person("Rex", "Miller", 10, Months.SEPTEMBER, 1990)
+ );
+
+ String fileName = "test_output.csv";
+ File outputFile = new File("outputs", fileName);
+
+ csvWriter.writeToFile(testData, fileName);
+
+ assertTrue(outputFile.exists(), "File should be created");
+ assertTrue(outputFile.length() > 0, "File should not be empty");
+
+ List lines = Files.readAllLines(outputFile.toPath());
+ assertEquals(4, lines.size(), "Should have header + 3 data rows");
+
+ String expectedHeader = "Имя,Фамилия,День рождения,Месяц рождения,Год рождения";
+ assertEquals(expectedHeader, lines.get(0), "Header should match annotation names");
+
+ assertEquals("John,Doe,1,APRIL,2003", lines.get(1), "First data row should match");
+ assertEquals("Jane,Smith,12,AUGUST,1998", lines.get(2), "Second data row should match");
+ assertEquals("Rex,Miller,10,SEPTEMBER,1990", lines.get(3), "Third data row should match");
+ }
+
+ /**
+ * Тестирует обработку кавычек в данных.
+ * Проверяет корректное экранирование запятых, кавычек,
+ * символов новой строки и возврата каретки.
+ *
+ * @throws IOException если возникают ошибки ввода-вывода при чтении файла
+ */
+ @Test
+ void testWriteToFile_WithQuoteCorrect() throws IOException {
+ CSVWriter csvWriter = new CSVWriter();
+ List testData = Arrays.asList(
+ new Person("John, Jr.", "Doe\"Smith", 1, Months.APRIL, 2003)
+ );
+
+ String fileName = "special_chars_test.csv";
+ File outputFile = new File("outputs", fileName);
+
+ csvWriter.writeToFile(testData, fileName);
+
+ assertTrue(outputFile.exists(), "File should be created");
+
+ String fileContent = new String(Files.readAllBytes(outputFile.toPath()));
+ String[] lines = fileContent.split("\n");
+
+ String firstDataLine = lines[1];
+ assertTrue(firstDataLine.contains("\"John, Jr.\""));
+ assertTrue(firstDataLine.contains("\"Doe\"\"Smith\""));
+
+ List fileLines = Files.readAllLines(outputFile.toPath(), StandardCharsets.UTF_8);
+ assertEquals(2, fileLines.size());
+
+ assertTrue(fileLines.get(1).startsWith("\"John, Jr.\",\"Doe\"\"Smith\",1,APRIL,2003"));
+ }
+
+ /**
+ * Тестирует поведение метода при передаче пустого списка данных.
+ * Ожидается выброс исключения IllegalArgumentException с соответствующим сообщением.
+ */
+ @Test
+ void testWriteToFile_WithEmptyList_ThrowsException() {
+ CSVWriter csvWriter = new CSVWriter();
+ List emptyData = Arrays.asList();
+
+ IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
+ () -> csvWriter.writeToFile(emptyData, "empty_test.csv"));
+
+ assertEquals("List of data cant be null or empty", exception.getMessage());
+ }
+
+ /**
+ * Тестирует поведение метода при передаче null в качестве списка данных.
+ * Ожидается выброс исключения IllegalArgumentException с соответствующим сообщением.
+ */
+ @Test
+ void testWriteToFile_WithNullList_ThrowsException() {
+ CSVWriter csvWriter = new CSVWriter();
+
+ IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
+ () -> csvWriter.writeToFile(null, "null_test.csv"));
+
+ assertEquals("List of data cant be null or empty", exception.getMessage());
+ }
+
+ /**
+ * Тестирует создание выходной директории, если она не существует.
+ * Проверяет, что директория создается и файл сохраняется в правильном расположении.
+ *
+ * @throws IOException если возникают ошибки ввода-вывода при проверке существования файла
+ */
+ @Test
+ void testWriteToFile_CreatesOutputDirectory() throws IOException {
+ CSVWriter csvWriter = new CSVWriter();
+ List testData = Arrays.asList(
+ new Person("John", "Doe", 1, Months.APRIL, 2003)
+ );
+
+ String fileName = "test_output.csv";
+ File outputFile = new File("outputs", fileName);
+
+ csvWriter.writeToFile(testData, fileName);
+
+ assertTrue(outputFile.exists(), "Output directory should be created");
+ assertTrue(outputFile.exists(), "File should be created in custom directory");
+ }
+
+ /**
+ * Тестирует соблюдение порядка полей в выходном CSV файле.
+ * Проверяет, что заголовки колонок соответствуют ожидаемому порядку.
+ *
+ * @throws IOException если возникают ошибки ввода-вывода при чтении файла
+ */
+ @Test
+ void testWriteToFile_FieldOrderRespected() throws IOException {
+ CSVWriter csvWriter = new CSVWriter();
+ List testData = Arrays.asList(
+ new Person("John", "Doe", 1, Months.APRIL, 2003),
+ new Person("Jane", "Smith", 12, Months.AUGUST, 1998),
+ new Person("Rex", "Miller", 10, Months.SEPTEMBER, 1990)
+ );
+
+ String fileName = "test_output.csv";
+ File outputFile = new File("outputs", fileName);
+
+ csvWriter.writeToFile(testData, fileName);
+ List lines = Files.readAllLines(outputFile.toPath());
+ String header = lines.get(0);
+
+ String[] columns = header.split(",");
+ assertEquals("Имя", columns[0]);
+ assertEquals("Фамилия", columns[1]);
+ assertEquals("День рождения", columns[2]);
+ assertEquals("Месяц рождения", columns[3]);
+ assertEquals("Год рождения", columns[4]);
+ }
+
+}
\ No newline at end of file