From 6a29c46dd3025fbef91f5cfafe68179fa8a9826d Mon Sep 17 00:00:00 2001 From: "Shebnem.M" Date: Mon, 13 Apr 2026 00:56:56 +0400 Subject: [PATCH] homework-ironlibrary --- homework/.gitattributes | 2 + homework/.gitignore | 33 ++ .../.mvn/wrapper/maven-wrapper.properties | 3 + homework/mvnw | 295 ++++++++++++++++++ homework/mvnw.cmd | 189 +++++++++++ homework/pom.xml | 70 +++++ .../example/homework/HomeworkApplication.java | 13 + .../java/org/example/homework/MenuRunner.java | 131 ++++++++ .../org/example/homework/model/Author.java | 55 ++++ .../java/org/example/homework/model/Book.java | 56 ++++ .../org/example/homework/model/Issue.java | 64 ++++ .../org/example/homework/model/Student.java | 36 +++ .../homework/repository/AuthorRepository.java | 10 + .../homework/repository/BookRepository.java | 11 + .../homework/repository/IssueRepository.java | 12 + .../repository/StudentRepository.java | 8 + .../homework/service/LibraryService.java | 66 ++++ .../src/main/resources/application.properties | 8 + .../homework/HomeworkApplicationTests.java | 13 + .../homework/LibraryRepositoryTest.java | 44 +++ 20 files changed, 1119 insertions(+) create mode 100644 homework/.gitattributes create mode 100644 homework/.gitignore create mode 100644 homework/.mvn/wrapper/maven-wrapper.properties create mode 100644 homework/mvnw create mode 100644 homework/mvnw.cmd create mode 100644 homework/pom.xml create mode 100644 homework/src/main/java/org/example/homework/HomeworkApplication.java create mode 100644 homework/src/main/java/org/example/homework/MenuRunner.java create mode 100644 homework/src/main/java/org/example/homework/model/Author.java create mode 100644 homework/src/main/java/org/example/homework/model/Book.java create mode 100644 homework/src/main/java/org/example/homework/model/Issue.java create mode 100644 homework/src/main/java/org/example/homework/model/Student.java create mode 100644 homework/src/main/java/org/example/homework/repository/AuthorRepository.java create mode 100644 homework/src/main/java/org/example/homework/repository/BookRepository.java create mode 100644 homework/src/main/java/org/example/homework/repository/IssueRepository.java create mode 100644 homework/src/main/java/org/example/homework/repository/StudentRepository.java create mode 100644 homework/src/main/java/org/example/homework/service/LibraryService.java create mode 100644 homework/src/main/resources/application.properties create mode 100644 homework/src/test/java/org/example/homework/HomeworkApplicationTests.java create mode 100644 homework/src/test/java/org/example/homework/LibraryRepositoryTest.java diff --git a/homework/.gitattributes b/homework/.gitattributes new file mode 100644 index 00000000..3b41682a --- /dev/null +++ b/homework/.gitattributes @@ -0,0 +1,2 @@ +/mvnw text eol=lf +*.cmd text eol=crlf diff --git a/homework/.gitignore b/homework/.gitignore new file mode 100644 index 00000000..667aaef0 --- /dev/null +++ b/homework/.gitignore @@ -0,0 +1,33 @@ +HELP.md +target/ +.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ diff --git a/homework/.mvn/wrapper/maven-wrapper.properties b/homework/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 00000000..c595b009 --- /dev/null +++ b/homework/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,3 @@ +wrapperVersion=3.3.4 +distributionType=only-script +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.14/apache-maven-3.9.14-bin.zip diff --git a/homework/mvnw b/homework/mvnw new file mode 100644 index 00000000..bd8896bf --- /dev/null +++ b/homework/mvnw @@ -0,0 +1,295 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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 +# +# http://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. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Apache Maven Wrapper startup batch script, version 3.3.4 +# +# Optional ENV vars +# ----------------- +# JAVA_HOME - location of a JDK home dir, required when download maven via java source +# MVNW_REPOURL - repo url base for downloading maven distribution +# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output +# ---------------------------------------------------------------------------- + +set -euf +[ "${MVNW_VERBOSE-}" != debug ] || set -x + +# OS specific support. +native_path() { printf %s\\n "$1"; } +case "$(uname)" in +CYGWIN* | MINGW*) + [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")" + native_path() { cygpath --path --windows "$1"; } + ;; +esac + +# set JAVACMD and JAVACCMD +set_java_home() { + # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched + if [ -n "${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" + JAVACCMD="$JAVA_HOME/jre/sh/javac" + else + JAVACMD="$JAVA_HOME/bin/java" + JAVACCMD="$JAVA_HOME/bin/javac" + + if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then + echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2 + echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2 + return 1 + fi + fi + else + JAVACMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v java + )" || : + JAVACCMD="$( + 'set' +e + 'unset' -f command 2>/dev/null + 'command' -v javac + )" || : + + if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then + echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2 + return 1 + fi + fi +} + +# hash string like Java String::hashCode +hash_string() { + str="${1:-}" h=0 + while [ -n "$str" ]; do + char="${str%"${str#?}"}" + h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296)) + str="${str#?}" + done + printf %x\\n $h +} + +verbose() { :; } +[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; } + +die() { + printf %s\\n "$1" >&2 + exit 1 +} + +trim() { + # MWRAPPER-139: + # Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds. + # Needed for removing poorly interpreted newline sequences when running in more + # exotic environments such as mingw bash on Windows. + printf "%s" "${1}" | tr -d '[:space:]' +} + +scriptDir="$(dirname "$0")" +scriptName="$(basename "$0")" + +# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties +while IFS="=" read -r key value; do + case "${key-}" in + distributionUrl) distributionUrl=$(trim "${value-}") ;; + distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;; + esac +done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties" +[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" + +case "${distributionUrl##*/}" in +maven-mvnd-*bin.*) + MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ + case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in + *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;; + :Darwin*x86_64) distributionPlatform=darwin-amd64 ;; + :Darwin*arm64) distributionPlatform=darwin-aarch64 ;; + :Linux*x86_64*) distributionPlatform=linux-amd64 ;; + *) + echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2 + distributionPlatform=linux-amd64 + ;; + esac + distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip" + ;; +maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;; +*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;; +esac + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}" +distributionUrlName="${distributionUrl##*/}" +distributionUrlNameMain="${distributionUrlName%.*}" +distributionUrlNameMain="${distributionUrlNameMain%-bin}" +MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}" +MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")" + +exec_maven() { + unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || : + exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD" +} + +if [ -d "$MAVEN_HOME" ]; then + verbose "found existing MAVEN_HOME at $MAVEN_HOME" + exec_maven "$@" +fi + +case "${distributionUrl-}" in +*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;; +*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;; +esac + +# prepare tmp dir +if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then + clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; } + trap clean HUP INT TERM EXIT +else + die "cannot create temp dir" +fi + +mkdir -p -- "${MAVEN_HOME%/*}" + +# Download and Install Apache Maven +verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +verbose "Downloading from: $distributionUrl" +verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +# select .zip or .tar.gz +if ! command -v unzip >/dev/null; then + distributionUrl="${distributionUrl%.zip}.tar.gz" + distributionUrlName="${distributionUrl##*/}" +fi + +# verbose opt +__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR='' +[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v + +# normalize http auth +case "${MVNW_PASSWORD:+has-password}" in +'') MVNW_USERNAME='' MVNW_PASSWORD='' ;; +has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;; +esac + +if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then + verbose "Found wget ... using wget" + wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl" +elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then + verbose "Found curl ... using curl" + curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl" +elif set_java_home; then + verbose "Falling back to use Java to download" + javaSource="$TMP_DOWNLOAD_DIR/Downloader.java" + targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName" + cat >"$javaSource" <<-END + public class Downloader extends java.net.Authenticator + { + protected java.net.PasswordAuthentication getPasswordAuthentication() + { + return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() ); + } + public static void main( String[] args ) throws Exception + { + setDefault( new Downloader() ); + java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() ); + } + } + END + # For Cygwin/MinGW, switch paths to Windows format before running javac and java + verbose " - Compiling Downloader.java ..." + "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java" + verbose " - Running Downloader.java ..." + "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")" +fi + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +if [ -n "${distributionSha256Sum-}" ]; then + distributionSha256Result=false + if [ "$MVN_CMD" = mvnd.sh ]; then + echo "Checksum validation is not supported for maven-mvnd." >&2 + echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + elif command -v sha256sum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then + distributionSha256Result=true + fi + elif command -v shasum >/dev/null; then + if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then + distributionSha256Result=true + fi + else + echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2 + echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2 + exit 1 + fi + if [ $distributionSha256Result = false ]; then + echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2 + echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2 + exit 1 + fi +fi + +# unzip and move +if command -v unzip >/dev/null; then + unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip" +else + tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar" +fi + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +actualDistributionDir="" + +# First try the expected directory name (for regular distributions) +if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then + if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then + actualDistributionDir="$distributionUrlNameMain" + fi +fi + +# If not found, search for any directory with the Maven executable (for snapshots) +if [ -z "$actualDistributionDir" ]; then + # enable globbing to iterate over items + set +f + for dir in "$TMP_DOWNLOAD_DIR"/*; do + if [ -d "$dir" ]; then + if [ -f "$dir/bin/$MVN_CMD" ]; then + actualDistributionDir="$(basename "$dir")" + break + fi + fi + done + set -f +fi + +if [ -z "$actualDistributionDir" ]; then + verbose "Contents of $TMP_DOWNLOAD_DIR:" + verbose "$(ls -la "$TMP_DOWNLOAD_DIR")" + die "Could not find Maven distribution directory in extracted archive" +fi + +verbose "Found extracted Maven distribution directory: $actualDistributionDir" +printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url" +mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME" + +clean || : +exec_maven "$@" diff --git a/homework/mvnw.cmd b/homework/mvnw.cmd new file mode 100644 index 00000000..92450f93 --- /dev/null +++ b/homework/mvnw.cmd @@ -0,0 +1,189 @@ +<# : batch portion +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Apache Maven Wrapper startup batch script, version 3.3.4 +@REM +@REM Optional ENV vars +@REM MVNW_REPOURL - repo url base for downloading maven distribution +@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output +@REM ---------------------------------------------------------------------------- + +@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0) +@SET __MVNW_CMD__= +@SET __MVNW_ERROR__= +@SET __MVNW_PSMODULEP_SAVE=%PSModulePath% +@SET PSModulePath= +@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @( + IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B) +) +@SET PSModulePath=%__MVNW_PSMODULEP_SAVE% +@SET __MVNW_PSMODULEP_SAVE= +@SET __MVNW_ARG0_NAME__= +@SET MVNW_USERNAME= +@SET MVNW_PASSWORD= +@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*) +@echo Cannot start maven from wrapper >&2 && exit /b 1 +@GOTO :EOF +: end batch / begin powershell #> + +$ErrorActionPreference = "Stop" +if ($env:MVNW_VERBOSE -eq "true") { + $VerbosePreference = "Continue" +} + +# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties +$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl +if (!$distributionUrl) { + Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties" +} + +switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) { + "maven-mvnd-*" { + $USE_MVND = $true + $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip" + $MVN_CMD = "mvnd.cmd" + break + } + default { + $USE_MVND = $false + $MVN_CMD = $script -replace '^mvnw','mvn' + break + } +} + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +if ($env:MVNW_REPOURL) { + $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" } + $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')" +} +$distributionUrlName = $distributionUrl -replace '^.*/','' +$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$','' + +$MAVEN_M2_PATH = "$HOME/.m2" +if ($env:MAVEN_USER_HOME) { + $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME" +} + +if (-not (Test-Path -Path $MAVEN_M2_PATH)) { + New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null +} + +$MAVEN_WRAPPER_DISTS = $null +if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) { + $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists" +} else { + $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists" +} + +$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain" +$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join '' +$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME" + +if (Test-Path -Path "$MAVEN_HOME" -PathType Container) { + Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME" + Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" + exit $? +} + +if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) { + Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl" +} + +# prepare tmp dir +$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile +$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir" +$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null +trap { + if ($TMP_DOWNLOAD_DIR.Exists) { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } + } +} + +New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null + +# Download and Install Apache Maven +Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..." +Write-Verbose "Downloading from: $distributionUrl" +Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName" + +$webclient = New-Object System.Net.WebClient +if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) { + $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD) +} +[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 +$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null + +# If specified, validate the SHA-256 sum of the Maven distribution zip file +$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum +if ($distributionSha256Sum) { + if ($USE_MVND) { + Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." + } + Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash + if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) { + Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property." + } +} + +# unzip and move +Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null + +# Find the actual extracted directory name (handles snapshots where filename != directory name) +$actualDistributionDir = "" + +# First try the expected directory name (for regular distributions) +$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain" +$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD" +if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) { + $actualDistributionDir = $distributionUrlNameMain +} + +# If not found, search for any directory with the Maven executable (for snapshots) +if (!$actualDistributionDir) { + Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object { + $testPath = Join-Path $_.FullName "bin/$MVN_CMD" + if (Test-Path -Path $testPath -PathType Leaf) { + $actualDistributionDir = $_.Name + } + } +} + +if (!$actualDistributionDir) { + Write-Error "Could not find Maven distribution directory in extracted archive" +} + +Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir" +Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null +try { + Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null +} catch { + if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) { + Write-Error "fail to move MAVEN_HOME" + } +} finally { + try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null } + catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" } +} + +Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD" diff --git a/homework/pom.xml b/homework/pom.xml new file mode 100644 index 00000000..09962ad1 --- /dev/null +++ b/homework/pom.xml @@ -0,0 +1,70 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 3.2.4 + + org.example + homework + 0.0.1-SNAPSHOT + homework + Library Management System + + + 17 + + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + org.springframework.boot + spring-boot-starter-web + + + + org.springframework.boot + spring-boot-starter-validation + + + + org.postgresql + postgresql + runtime + + + + org.springframework.boot + spring-boot-starter-test + test + + + + com.h2database + h2 + + + + + org.springframework.boot + spring-boot-devtools + runtime + true + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + \ No newline at end of file diff --git a/homework/src/main/java/org/example/homework/HomeworkApplication.java b/homework/src/main/java/org/example/homework/HomeworkApplication.java new file mode 100644 index 00000000..d783523d --- /dev/null +++ b/homework/src/main/java/org/example/homework/HomeworkApplication.java @@ -0,0 +1,13 @@ +package org.example.homework; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class HomeworkApplication { + + public static void main(String[] args) { + SpringApplication.run(HomeworkApplication.class, args); + } + +} diff --git a/homework/src/main/java/org/example/homework/MenuRunner.java b/homework/src/main/java/org/example/homework/MenuRunner.java new file mode 100644 index 00000000..f7b524c7 --- /dev/null +++ b/homework/src/main/java/org/example/homework/MenuRunner.java @@ -0,0 +1,131 @@ +package org.example.homework; + +import org.example.homework.model.*; +import org.example.homework.service.LibraryService; +import org.springframework.boot.CommandLineRunner; +import org.springframework.stereotype.Component; + +import java.util.Scanner; + +@Component +public class MenuRunner implements CommandLineRunner { + + private final LibraryService libraryService; + + public MenuRunner(LibraryService libraryService) { + this.libraryService = libraryService; + } + + @Override + public void run(String... args) { + Scanner scanner = new Scanner(System.in); + + while (true) { + System.out.println("\n--- Library Management System ---"); + System.out.println("1. Add a book"); + System.out.println("2. Search book by title"); + System.out.println("3. Search book by category"); + System.out.println("4. Search book by Author"); + System.out.println("5. List all books along with author"); + System.out.println("6. Issue book to student"); + System.out.println("7. List books by usn"); + System.out.println("8. Exit"); + System.out.print("Enter your choice: "); + + String choice = scanner.nextLine(); + + try { + switch (choice) { + case "1": + System.out.print("Enter isbn : "); + String isbn = scanner.nextLine(); + System.out.print("Enter title : "); + String title = scanner.nextLine(); + System.out.print("Enter category : "); + String category = scanner.nextLine(); + System.out.print("Enter Author name : "); + String authorName = scanner.nextLine(); + System.out.print("Enter Author mail : "); + String authorMail = scanner.nextLine(); + System.out.print("Enter number of books : "); + int quantity = Integer.parseInt(scanner.nextLine()); + + Book book = new Book(isbn, title, category, quantity); + Author author = new Author(authorName, authorMail, book); + libraryService.addBook(book, author); + System.out.println("Book and Author added successfully!"); + break; + + case "2": + System.out.print("Enter title : "); + String sTitle = scanner.nextLine(); + printBookHeader(); + libraryService.searchByTitle(sTitle).forEach(this::printBook); + break; + + case "3": + System.out.print("Enter category : "); + String sCat = scanner.nextLine(); + printBookHeader(); + libraryService.searchByCategory(sCat).forEach(this::printBook); + break; + + case "4": + System.out.print("Enter Author name : "); + String sAuth = scanner.nextLine(); + printBookHeader(); + libraryService.searchByAuthor(sAuth).forEach(a -> printBook(a.getAuthorBook())); + break; + + case "5": + System.out.println(String.format("%-20s %-20s %-15s %-10s %-20s %-20s", + "Book ISBN", "Book Title", "Category", "Quantity", "Author Name", "Author Mail")); + libraryService.listAllBooksWithAuthors().forEach(a -> { + Book b = a.getAuthorBook(); + System.out.println(String.format("%-20s %-20s %-15s %-10d %-20s %-20s", + b.getIsbn(), b.getTitle(), b.getCategory(), b.getQuantity(), a.getName(), a.getEmail())); + }); + break; + + case "6": + System.out.print("Enter usn : "); + String usn = scanner.nextLine(); + System.out.print("Enter name : "); + String sName = scanner.nextLine(); + System.out.print("Enter book ISBN : "); + String bIsbn = scanner.nextLine(); + String rDate = libraryService.issueBook(usn, sName, bIsbn); + System.out.println("Book issued. Return date : " + rDate); + break; + + case "7": + System.out.print("Enter usn : "); + String sUsn = scanner.nextLine(); + System.out.println(String.format("%-20s %-20s %-20s", "Book Title", "Student Name", "Return Date")); + libraryService.listBooksByUsn(sUsn).forEach(i -> + System.out.println(String.format("%-20s %-20s %-20s", + i.getIssueBook().getTitle(), i.getIssueStudent().getName(), i.getReturnDate()))); + break; + + case "8": + System.out.println("Exiting..."); + System.exit(0); + break; + + default: + System.out.println("Invalid choice!"); + } + } catch (Exception e) { + System.out.println("Error: " + e.getMessage()); + } + } + } + + private void printBookHeader() { + System.out.println(String.format("%-20s %-20s %-15s %-10s", "Book ISBN", "Book Title", "Category", "No of Books")); + } + + private void printBook(Book b) { + System.out.println(String.format("%-20s %-20s %-15s %-10d", b.getIsbn(), b.getTitle(), b.getCategory(), b.getQuantity())); + } +} diff --git a/homework/src/main/java/org/example/homework/model/Author.java b/homework/src/main/java/org/example/homework/model/Author.java new file mode 100644 index 00000000..f9373996 --- /dev/null +++ b/homework/src/main/java/org/example/homework/model/Author.java @@ -0,0 +1,55 @@ +package org.example.homework.model; +import jakarta.persistence.*; + +@Entity +@Table(name="author") +public class Author{ + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Integer authorId; + @Column(nullable = false,length=100) + private String name; + @Column(nullable = false,length = 100) + private String email; + @OneToOne() + @JoinColumn(name = "book_isbn") + private Book authorBook; + public Author(){} + public Author(String name, String email, Book authorBook){ + this.name=name; + this.email=email; + this.authorBook=authorBook; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getEmail() { + return email; + } + + public void setEmail(String email) { + this.email = email; + } + + public Integer getAuthorId() { + return authorId; + } + + public void setAuthorId(Integer authorId) { + this.authorId = authorId; + } + + public Book getAuthorBook() { + return authorBook; + } + + public void setAuthorBook(Book authorBook) { + this.authorBook = authorBook; + } +} \ No newline at end of file diff --git a/homework/src/main/java/org/example/homework/model/Book.java b/homework/src/main/java/org/example/homework/model/Book.java new file mode 100644 index 00000000..21733f8b --- /dev/null +++ b/homework/src/main/java/org/example/homework/model/Book.java @@ -0,0 +1,56 @@ +package org.example.homework.model; + +import jakarta.persistence.Entity; +import jakarta.persistence.*; + +@Entity +@Table(name="book") +public class Book { + @Id + @Column(unique = true,nullable = false) + private String isbn; + @Column(nullable = false, length=100) + private String title; + @Column(nullable = false, length=100) + private String category; + @Column(nullable = false) + private Integer quantity; + public Book(String isbn, String title,String category, Integer quantity){ + this.title=title; + this.category=category; + this.quantity=quantity; + this.isbn=isbn; + } + public Book(){} + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getCategory() { + return category; + } + + public void setCategory(String category) { + this.category = category; + } + + public Integer getQuantity() { + return quantity; + } + + public void setQuantity(Integer quantity) { + this.quantity = quantity; + } + + public String getIsbn() { + return isbn; + } + + public void setIsbn(String isbn) { + this.isbn = isbn; + } +} diff --git a/homework/src/main/java/org/example/homework/model/Issue.java b/homework/src/main/java/org/example/homework/model/Issue.java new file mode 100644 index 00000000..7657a51b --- /dev/null +++ b/homework/src/main/java/org/example/homework/model/Issue.java @@ -0,0 +1,64 @@ +package org.example.homework.model; + +import jakarta.persistence.*; + +@Entity +@Table(name="issue") +public class Issue { + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Integer issueId; + @Column(nullable = false) + private String issueDate; + @Column(nullable = false) + private String returnDate; + @OneToOne() + private Student issueStudent; + @OneToOne() + private Book issueBook; + public Issue(){} + public Issue( String issueDate, String returnDate, Book issueBook, Student issueStudent){ + this.issueBook=issueBook; + this.issueDate=issueDate; + this.returnDate=returnDate; + this.issueStudent=issueStudent; + } + public void setIssueId(Integer issueId) { + this.issueId = issueId; + } + public Integer getIssueId() { + return issueId; + } + + public void setIssueBook(Book issueBook) { + this.issueBook = issueBook; + } + + public Book getIssueBook() { + return issueBook; + } + + public void setIssueDate(String issueDate) { + this.issueDate = issueDate; + } + + public String getIssueDate() { + return issueDate; + } + + public void setReturnDate(String returnDate) { + this.returnDate = returnDate; + } + + public String getReturnDate() { + return returnDate; + } + + public Student getIssueStudent() { + return issueStudent; + } + + public void setIssueStudent(Student issueStudent) { + this.issueStudent = issueStudent; + } +} diff --git a/homework/src/main/java/org/example/homework/model/Student.java b/homework/src/main/java/org/example/homework/model/Student.java new file mode 100644 index 00000000..bec93b2e --- /dev/null +++ b/homework/src/main/java/org/example/homework/model/Student.java @@ -0,0 +1,36 @@ +package org.example.homework.model; + +import jakarta.persistence.Column; +import jakarta.persistence.Entity; +import jakarta.persistence.Id; +import jakarta.persistence.Table; + +@Entity +@Table(name="student") +public class Student { + @Id + private String usn; + @Column(nullable = false,length=100) + private String name; + public Student(String usn, String name){ + this.usn=usn; + this.name=name; + } + public Student(){} + + public void setName(String name) { + this.name = name; + } + + public String getUsn() { + return usn; + } + + public String getName() { + return name; + } + + public void setUsn(String usn) { + this.usn = usn; + } +} diff --git a/homework/src/main/java/org/example/homework/repository/AuthorRepository.java b/homework/src/main/java/org/example/homework/repository/AuthorRepository.java new file mode 100644 index 00000000..da5cfe89 --- /dev/null +++ b/homework/src/main/java/org/example/homework/repository/AuthorRepository.java @@ -0,0 +1,10 @@ +package org.example.homework.repository; + +import org.example.homework.model.Author; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; + +public interface AuthorRepository extends JpaRepository { + List findByNameContainingIgnoreCase(String name); +} diff --git a/homework/src/main/java/org/example/homework/repository/BookRepository.java b/homework/src/main/java/org/example/homework/repository/BookRepository.java new file mode 100644 index 00000000..7054456c --- /dev/null +++ b/homework/src/main/java/org/example/homework/repository/BookRepository.java @@ -0,0 +1,11 @@ +package org.example.homework.repository; + +import org.example.homework.model.Book; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; + +public interface BookRepository extends JpaRepository { + List findByTitleContainingIgnoreCase(String title); + List findByCategoryContainingIgnoreCase(String category); +} diff --git a/homework/src/main/java/org/example/homework/repository/IssueRepository.java b/homework/src/main/java/org/example/homework/repository/IssueRepository.java new file mode 100644 index 00000000..0d94b49f --- /dev/null +++ b/homework/src/main/java/org/example/homework/repository/IssueRepository.java @@ -0,0 +1,12 @@ +package org.example.homework.repository; + +import org.example.homework.model.Issue; +import org.example.homework.model.Student; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; + +public interface IssueRepository extends JpaRepository{ + List findByIssueStudentUsn(String usn); + List findByIssueBookIsbn(String isbn); +} \ No newline at end of file diff --git a/homework/src/main/java/org/example/homework/repository/StudentRepository.java b/homework/src/main/java/org/example/homework/repository/StudentRepository.java new file mode 100644 index 00000000..95d3db27 --- /dev/null +++ b/homework/src/main/java/org/example/homework/repository/StudentRepository.java @@ -0,0 +1,8 @@ +package org.example.homework.repository; + +import org.example.homework.model.Student; +import org.springframework.data.jpa.repository.JpaRepository; + +public interface StudentRepository extends JpaRepository { + +} diff --git a/homework/src/main/java/org/example/homework/service/LibraryService.java b/homework/src/main/java/org/example/homework/service/LibraryService.java new file mode 100644 index 00000000..6640f39c --- /dev/null +++ b/homework/src/main/java/org/example/homework/service/LibraryService.java @@ -0,0 +1,66 @@ +package org.example.homework.service; + +import jakarta.transaction.Transactional; +import org.example.homework.model.Author; +import org.example.homework.model.Book; +import org.example.homework.model.Issue; +import org.example.homework.model.Student; +import org.example.homework.repository.*; +import org.springframework.stereotype.Service; + +import java.time.LocalDateTime; +import java.time.format.DateTimeFormatter; +import java.util.List; + +@Service +public class LibraryService { + private final IssueRepository issueRepository; + private final StudentRepository studentRepository; + private final BookRepository bookRepository; + private final AuthorRepository authorRepository; + public LibraryService(IssueRepository issueRepository,StudentRepository studentRepository,BookRepository bookRepository,AuthorRepository authorRepository){ + this.issueRepository=issueRepository; + this.authorRepository=authorRepository; + this.studentRepository=studentRepository; + this.bookRepository=bookRepository; + } + + @Transactional + public void addBook(Book book, Author author){ + bookRepository.save(book); + author.setAuthorBook(book); + authorRepository.save(author); + } + + @Transactional + public String issueBook(String usn, String studentName, String isbn) { + Student student = studentRepository.findById(usn).orElseGet(() -> studentRepository.save(new Student(usn, studentName))); + + Book book=bookRepository.findById(isbn).orElseThrow(()->new RuntimeException(("Book is not found with Isbn")+ isbn)); + + LocalDateTime now=LocalDateTime.now(); + LocalDateTime returnDate=now.plusDays(7); + + DateTimeFormatter formatter=DateTimeFormatter.ofPattern("EEE MMM dd HH:mm:ss z yyyy"); + String formattedReturnDate=returnDate.format(formatter); + + Issue issue=new Issue(now.toString(),formattedReturnDate, book, student); + issueRepository.save(issue); + return formattedReturnDate; + } + public List searchByTitle(String title){ + return bookRepository.findByTitleContainingIgnoreCase(title); + } + public List searchByCategory(String category){ + return bookRepository.findByCategoryContainingIgnoreCase(category); + } + public List searchByAuthor(String name){ + return authorRepository.findByNameContainingIgnoreCase(name); + } + public List listAllBooksWithAuthors(){ + return authorRepository.findAll(); + } + public List listBooksByUsn(String usn){ + return issueRepository.findByIssueStudentUsn(usn); + } +} diff --git a/homework/src/main/resources/application.properties b/homework/src/main/resources/application.properties new file mode 100644 index 00000000..80dce4d9 --- /dev/null +++ b/homework/src/main/resources/application.properties @@ -0,0 +1,8 @@ +spring.application.name=homework +spring.datasource.url=jdbc:h2:mem:librarydb +spring.datasource.driverClassName=org.h2.Driver +spring.datasource.username=sa +spring.datasource.password=password +spring.jpa.database-platform=org.hibernate.dialect.H2Dialect +spring.h2.console.enabled=true +spring.jpa.hibernate.ddl-auto=update \ No newline at end of file diff --git a/homework/src/test/java/org/example/homework/HomeworkApplicationTests.java b/homework/src/test/java/org/example/homework/HomeworkApplicationTests.java new file mode 100644 index 00000000..3a93f35f --- /dev/null +++ b/homework/src/test/java/org/example/homework/HomeworkApplicationTests.java @@ -0,0 +1,13 @@ +package org.example.homework; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class HomeworkApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/homework/src/test/java/org/example/homework/LibraryRepositoryTest.java b/homework/src/test/java/org/example/homework/LibraryRepositoryTest.java new file mode 100644 index 00000000..ed8db431 --- /dev/null +++ b/homework/src/test/java/org/example/homework/LibraryRepositoryTest.java @@ -0,0 +1,44 @@ +package org.example.homework; + +import org.example.homework.model.*; +import org.example.homework.repository.IssueRepository; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; +import org.springframework.boot.test.autoconfigure.orm.jpa.TestEntityManager; + +import java.util.List; + +import static org.junit.jupiter.api.Assertions.*; + +@DataJpaTest +class LibraryRepositoryTest { + + @Autowired + private TestEntityManager entityManager; + + @Autowired + private IssueRepository issueRepository; + + @Test + void testIssueProcessAndSearch() { + + Student student = new Student("09003688800", "John Doe"); + Book book = new Book("978-3-17-148410-0", "Da Vinci Code", "Mystery", 5); + + entityManager.persist(student); + entityManager.persist(book); + + Issue issue = new Issue("2026-04-13", "2026-04-20", book, student); + entityManager.persist(issue); + entityManager.flush(); + + + List results = issueRepository.findByIssueStudentUsn("09003688800"); + + + assertFalse(results.isEmpty(), "Issue must found!"); + assertEquals("John Doe", results.get(0).getIssueStudent().getName()); + assertEquals("Da Vinci Code", results.get(0).getIssueBook().getTitle()); + } +}