commit ebf0c8a06406dd6d603c226b337b447ef0c7387e Author: chandrasegar Date: Sun Feb 25 23:30:21 2024 +0530 custome exceptions added diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..549e00a --- /dev/null +++ b/.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/.mvn/wrapper/maven-wrapper.jar b/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..cb28b0e Binary files /dev/null and b/.mvn/wrapper/maven-wrapper.jar differ diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..5f0536e --- /dev/null +++ b/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar diff --git a/mvnw b/mvnw new file mode 100755 index 0000000..66df285 --- /dev/null +++ b/mvnw @@ -0,0 +1,308 @@ +#!/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 +# +# 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. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Apache Maven Wrapper startup batch script, version 3.2.0 +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ] ; then + + if [ -f /usr/local/etc/mavenrc ] ; then + . /usr/local/etc/mavenrc + fi + + if [ -f /etc/mavenrc ] ; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ] ; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false; +darwin=false; +mingw=false +case "$(uname)" in + CYGWIN*) cygwin=true ;; + MINGW*) mingw=true;; + Darwin*) darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME + else + JAVA_HOME="/Library/Java/Home"; export JAVA_HOME + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ] ; then + if [ -r /etc/gentoo-release ] ; then + JAVA_HOME=$(java-config --jre-home) + fi +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin ; then + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --unix "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --unix "$CLASSPATH") +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw ; then + [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] && + JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="$(which javac)" + if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=$(which readlink) + if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then + if $darwin ; then + javaHome="$(dirname "\"$javaExecutable\"")" + javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac" + else + javaExecutable="$(readlink -f "\"$javaExecutable\"")" + fi + javaHome="$(dirname "\"$javaExecutable\"")" + javaHome=$(expr "$javaHome" : '\(.*\)/bin') + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ] ; then + 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 + else + JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)" + fi +fi + +if [ ! -x "$JAVACMD" ] ; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ] ; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + if [ -z "$1" ] + then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ] ; do + if [ -d "$wdir"/.mvn ] ; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=$(cd "$wdir/.." || exit 1; pwd) + fi + # end of workaround + done + printf '%s' "$(cd "$basedir" || exit 1; pwd)" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + # Remove \r in case we run on Windows within Git Bash + # and check out the repository with auto CRLF management + # enabled. Otherwise, we may read lines that are delimited with + # \r\n and produce $'-Xarg\r' rather than -Xarg due to word + # splitting rules. + tr -s '\r\n' ' ' < "$1" + fi +} + +log() { + if [ "$MVNW_VERBOSE" = true ]; then + printf '%s\n' "$1" + fi +} + +BASE_DIR=$(find_maven_basedir "$(dirname "$0")") +if [ -z "$BASE_DIR" ]; then + exit 1; +fi + +MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR +log "$MAVEN_PROJECTBASEDIR" + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" +if [ -r "$wrapperJarPath" ]; then + log "Found $wrapperJarPath" +else + log "Couldn't find $wrapperJarPath, downloading it ..." + + if [ -n "$MVNW_REPOURL" ]; then + wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" + else + wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" + fi + while IFS="=" read -r key value; do + # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' ) + safeValue=$(echo "$value" | tr -d '\r') + case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;; + esac + done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" + log "Downloading from: $wrapperUrl" + + if $cygwin; then + wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") + fi + + if command -v wget > /dev/null; then + log "Found wget ... using wget" + [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet" + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" + else + wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" + fi + elif command -v curl > /dev/null; then + log "Found curl ... using curl" + [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent" + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" + else + curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath" + fi + else + log "Falling back to using Java to download" + javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java" + javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaSource=$(cygpath --path --windows "$javaSource") + javaClass=$(cygpath --path --windows "$javaClass") + fi + if [ -e "$javaSource" ]; then + if [ ! -e "$javaClass" ]; then + log " - Compiling MavenWrapperDownloader.java ..." + ("$JAVA_HOME/bin/javac" "$javaSource") + fi + if [ -e "$javaClass" ]; then + log " - Running MavenWrapperDownloader.java ..." + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath" + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +# If specified, validate the SHA-256 sum of the Maven wrapper jar file +wrapperSha256Sum="" +while IFS="=" read -r key value; do + case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;; + esac +done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties" +if [ -n "$wrapperSha256Sum" ]; then + wrapperSha256Result=false + if command -v sha256sum > /dev/null; then + if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then + wrapperSha256Result=true + fi + elif command -v shasum > /dev/null; then + if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then + wrapperSha256Result=true + fi + else + echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." + echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties." + exit 1 + fi + if [ $wrapperSha256Result = false ]; then + echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2 + echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2 + echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2 + exit 1 + fi +fi + +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --windows "$CLASSPATH") + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +# shellcheck disable=SC2086 # safe args +exec "$JAVACMD" \ + $MAVEN_OPTS \ + $MAVEN_DEBUG_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/mvnw.cmd b/mvnw.cmd new file mode 100644 index 0000000..95ba6f5 --- /dev/null +++ b/mvnw.cmd @@ -0,0 +1,205 @@ +@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 https://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 3.2.0 +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %* +if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %* +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" + +FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %WRAPPER_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file +SET WRAPPER_SHA_256_SUM="" +FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B +) +IF NOT %WRAPPER_SHA_256_SUM%=="" ( + powershell -Command "&{"^ + "$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^ + "If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^ + " Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^ + " Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^ + " Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^ + " exit 1;"^ + "}"^ + "}" + if ERRORLEVEL 1 goto error +) + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% ^ + %JVM_CONFIG_MAVEN_PROPS% ^ + %MAVEN_OPTS% ^ + %MAVEN_DEBUG_OPTS% ^ + -classpath %WRAPPER_JAR% ^ + "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^ + %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat" +if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%"=="on" pause + +if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE% + +cmd /C exit /B %ERROR_CODE% diff --git a/pom.xml b/pom.xml new file mode 100644 index 0000000..8c1bb90 --- /dev/null +++ b/pom.xml @@ -0,0 +1,78 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 3.2.1 + + + entgra + mailsender + 0.0.1-SNAPSHOT + mailsender + send a mail for customer with attachments + + 21 + + + + org.springframework.boot + spring-boot-starter-mail + + + org.springframework.boot + spring-boot-starter-web + + + + org.projectlombok + lombok + true + + + + + + + + javax.mail + javax.mail-api + 1.6.2 + + + mysql + mysql-connector-java + 8.0.33 + + + org.springframework + spring-jdbc + 5.3.14 + + + org.springframework + spring-test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + 2.6.4 + + + + org.projectlombok + lombok + + + + + + + + diff --git a/src/main/java/entgra/mailsender/Config/AppConfig.java b/src/main/java/entgra/mailsender/Config/AppConfig.java new file mode 100644 index 0000000..c411609 --- /dev/null +++ b/src/main/java/entgra/mailsender/Config/AppConfig.java @@ -0,0 +1,42 @@ +package entgra.mailsender.Config; + + +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.mail.javamail.JavaMailSender; +import org.springframework.mail.javamail.JavaMailSenderImpl; + +import java.util.Properties; + +@Configuration +public class AppConfig { + @Value("${spring.mail.host}") + private String mailHost; + + @Value("${spring.mail.port}") + private String mailPort; + + @Value("${spring.mail.username}") + private String mailUsername; + + @Value("${spring.mail.password}") + private String mailPassword; + + @Bean + public JavaMailSender getJavaMailSender(){ + JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl(); + javaMailSender.setHost(mailHost); + javaMailSender.setPort(Integer.parseInt(mailPort)); + javaMailSender.setUsername(mailUsername); + javaMailSender.setPassword(mailPassword); + + Properties props = javaMailSender.getJavaMailProperties(); + props.put("mail.smtp.starttls.enable", "true"); + + return javaMailSender; + } + + + +} diff --git a/src/main/java/entgra/mailsender/Controller/MailController.java b/src/main/java/entgra/mailsender/Controller/MailController.java new file mode 100644 index 0000000..c39e859 --- /dev/null +++ b/src/main/java/entgra/mailsender/Controller/MailController.java @@ -0,0 +1,48 @@ +package entgra.mailsender.Controller; + + +import entgra.mailsender.DTO.MailModel; +import entgra.mailsender.Service.MailService; +import entgra.mailsender.exception.MailException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.web.bind.annotation.ModelAttribute; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +import javax.mail.MessagingException; +import java.io.IOException; +import java.sql.SQLException; + +@RestController +@RequestMapping("/api/message-distribution/email") +public class MailController { + @Autowired + public MailService mailService; + + private static final Logger logger = LoggerFactory.getLogger(MailController.class); + + + @PostMapping + public ResponseEntity sendEmail(@ModelAttribute MailModel emailModel) { + String msg; + try { + mailService.sendEmail(emailModel); + msg = "Email sent successfully"; + return ResponseEntity.ok(msg); + } catch (MailException e) { + msg = "Invalid email address"; + logger.error(msg, e); + return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(msg); + } catch (MessagingException | SQLException | IOException exception) { + msg = "Failed to send email"; + logger.error(msg, exception); + return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(msg + exception); + } + } +} + diff --git a/src/main/java/entgra/mailsender/DAO/Impl/MailDAOImpl.java b/src/main/java/entgra/mailsender/DAO/Impl/MailDAOImpl.java new file mode 100644 index 0000000..7e117af --- /dev/null +++ b/src/main/java/entgra/mailsender/DAO/Impl/MailDAOImpl.java @@ -0,0 +1,180 @@ +package entgra.mailsender.DAO.Impl; + +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.ObjectMapper; +import entgra.mailsender.DAO.MailDAO; +import entgra.mailsender.DTO.MailModel; +import entgra.mailsender.exception.DatabaseAccessException; +import entgra.mailsender.exception.FileConversionException; +import entgra.mailsender.exception.MailProcessingException; +import org.springframework.stereotype.Component; + +import java.io.*; +import java.sql.Connection; +import java.sql.DriverManager; +import java.sql.PreparedStatement; +import java.sql.SQLException; +import java.sql.Timestamp; +import java.sql.ResultSet; +import java.sql.Blob; +import java.sql.Date; +import java.time.LocalDate; +import java.util.ArrayList; +import java.util.List; +import java.util.logging.Logger; + +@Component +public class MailDAOImpl implements MailDAO { + + Logger logger = Logger.getLogger(String.valueOf(MailDAOImpl.class)); + + private Connection getConnection() throws SQLException { + return DriverManager.getConnection("jdbc:mysql://localhost:3306/email_sending", "root", "StrongPassword123!"); + } + + @Override + public int addMail(MailModel mailModel) throws SQLException { + try { + PreparedStatement stmt; + int generatedId; + Connection conn = this.getConnection(); + stmt = conn.prepareStatement("INSERT INTO email (EMAIL_ADDRESS, MSG_TEMPLATE, PRIORITY, ATTACHMENT, PARAMETERS, TIME, FILENAME, EXPIRY_AT) VALUES (?, ?, ?, ?, ?, ?, ?, ?)", PreparedStatement.RETURN_GENERATED_KEYS); + Timestamp current_time = new Timestamp(System.currentTimeMillis()); + String parametersJson = new ObjectMapper().writeValueAsString(mailModel.getParameters()); + stmt.setString(1, mailModel.getEmailAddress()); + stmt.setString(2, mailModel.getMsgTemplate()); + stmt.setInt(3, mailModel.getPriority()); + stmt.setBytes(4, mailModel.getAttachment().getBytes()); + stmt.setString(5, parametersJson); + stmt.setTimestamp(6, current_time); + String filename = mailModel.getAttachment().getOriginalFilename(); + stmt.setString(7, filename); + stmt.setDate(8, mailModel.getExpiry_at()); + stmt.executeUpdate(); + ResultSet rs = stmt.getGeneratedKeys(); + if (rs.next()) { + generatedId = rs.getInt(1); + return generatedId; + } + } catch (SQLException e) { + logger.info(e.getMessage()); + throw new SQLException("error processing sql", e); + } catch (IOException e) { + logger.info(e.getMessage()); + throw new MailProcessingException("Error processing mailModel", e); + } + + return 0; + } + + + @Override + public List getUnsentMessages() { + String sql = "SELECT * FROM email WHERE email_id NOT IN (SELECT email_id FROM sentEmail)"; + + List unsentMails = new ArrayList<>(); + + try (Connection connection = this.getConnection(); + PreparedStatement statement = connection.prepareStatement(sql); + ResultSet rs = statement.executeQuery()) { + while (rs.next()) { + MailModel mailModel = new MailModel(); + mailModel.setEmailId(rs.getInt("email_id")); + mailModel.setPriority(rs.getInt("priority")); + mailModel.setExpiry_at(rs.getDate("expiry_at")); + unsentMails.add(mailModel); + } + } catch (SQLException e) { + logger.info(e.getMessage()); + throw new DatabaseAccessException("Error accessing database", e); + } + return unsentMails; + + } + + @Override + public MailModel getMailDetails(Integer mail_id) { + String sql = "SELECT * FROM email WHERE email_id = ?"; + MailModel mailModel = new MailModel(); + + try { + Connection conn = this.getConnection(); + try (PreparedStatement stmt = conn.prepareStatement(sql)) { + stmt.setInt(1, mail_id); + try (ResultSet rs = stmt.executeQuery()) { + while (rs.next()) { + mailModel.setEmailId(rs.getInt("email_id")); + mailModel.setEmailAddress(rs.getString("email_address")); + mailModel.setMsgTemplate(rs.getString("msg_template")); + mailModel.setPriority(rs.getInt("priority")); + + String jsonData = rs.getString("parameters"); + List parameters = parseJsonParameters(jsonData); + mailModel.setParameters(parameters); + + String filename = rs.getString("filename"); + mailModel.setFilename(filename); + + Blob blob = rs.getBlob("attachment"); + File file = convertBlobToFile(blob, filename); + mailModel.setFile(file); + } + return mailModel; + } catch (IOException e) { + logger.info(e.getMessage()); + throw new MailProcessingException("Error processing mail", e); + } + } + } catch (SQLException e) { + logger.info(e.getMessage()); + throw new DatabaseAccessException("Error accessing database", e); + } + + } + + private List parseJsonParameters(String parametersJson) { + try { + ObjectMapper objectMapper = new ObjectMapper(); + return objectMapper.readValue(parametersJson, new TypeReference<>() { + }); + } catch (IOException e) { + logger.info(e.getMessage()); + throw new IllegalArgumentException("Error parsing parameters JSON", e); + } + } + + public static File convertBlobToFile(Blob blob, String fileName) throws IOException, SQLException { + File file = new File(fileName); + try (FileOutputStream outputStream = new FileOutputStream(file)) { + InputStream inputStream = blob.getBinaryStream(); + byte[] buffer = new byte[1024]; + while (inputStream.read(buffer) > 0) { + outputStream.write(buffer); + } + } catch (IOException e) { + throw new FileConversionException("Error converting Blob to File", e); + } + return file; + } + + public void addToSentMail(Integer mail_id) { + try { + PreparedStatement stmt; + Connection connection = this.getConnection(); + stmt = connection.prepareStatement("INSERT INTO sentEmail (email_id,sent_time) VALUE (?,?)"); + stmt.setInt(1, mail_id); + stmt.setDate(2, Date.valueOf(LocalDate.now())); + stmt.execute(); + } catch (SQLException e) { + logger.info(e.getMessage()); + throw new DatabaseAccessException("Error accessing database", e); + } + } + + +} + + + + + diff --git a/src/main/java/entgra/mailsender/DAO/MailDAO.java b/src/main/java/entgra/mailsender/DAO/MailDAO.java new file mode 100644 index 0000000..adb3fda --- /dev/null +++ b/src/main/java/entgra/mailsender/DAO/MailDAO.java @@ -0,0 +1,18 @@ +package entgra.mailsender.DAO; + +import entgra.mailsender.DTO.MailModel; + +import java.sql.SQLException; +import java.util.List; + + +public interface MailDAO { + int addMail(MailModel mailModel) throws SQLException; + + MailModel getMailDetails(Integer mail_id); + + void addToSentMail(Integer mail_id); + + List getUnsentMessages(); + +} diff --git a/src/main/java/entgra/mailsender/DTO/MailModel.java b/src/main/java/entgra/mailsender/DTO/MailModel.java new file mode 100644 index 0000000..a717d84 --- /dev/null +++ b/src/main/java/entgra/mailsender/DTO/MailModel.java @@ -0,0 +1,51 @@ +package entgra.mailsender.DTO; + +import lombok.AllArgsConstructor; +import lombok.Getter; +import lombok.NoArgsConstructor; +import lombok.Setter; +import org.springframework.web.multipart.MultipartFile; + +import java.io.File; +import java.util.List; + +@Getter +@Setter +@AllArgsConstructor +@NoArgsConstructor + +public class MailModel { + + private int emailId; + private String emailAddress; + private String msgTemplate; + private int priority; + private List parameters; + private MultipartFile attachment; + private File file; + private String filename; + private java.sql.Date expiry_at; + private long insertionOrder; + + + + @Setter + @Getter + public static class Parameter{ + private String key; + private String value; + + public Parameter(){ + + } + + public Parameter(String key, String value){ + this.key = key; + this.value = value; + } + + } + + + +} diff --git a/src/main/java/entgra/mailsender/MailsenderApplication.java b/src/main/java/entgra/mailsender/MailsenderApplication.java new file mode 100644 index 0000000..482cdcb --- /dev/null +++ b/src/main/java/entgra/mailsender/MailsenderApplication.java @@ -0,0 +1,22 @@ +package entgra.mailsender; + +import entgra.mailsender.Service.MailService; +import jakarta.annotation.PostConstruct; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class MailsenderApplication { + @Autowired + private MailService mailService; + + public static void main(String[] args) { + SpringApplication.run(MailsenderApplication.class, args); + } + + @PostConstruct + public void init(){ + mailService.syncMailWithDB(); + } +} diff --git a/src/main/java/entgra/mailsender/Service/Impl/MailQueueServiceImpl.java b/src/main/java/entgra/mailsender/Service/Impl/MailQueueServiceImpl.java new file mode 100644 index 0000000..7cf29c8 --- /dev/null +++ b/src/main/java/entgra/mailsender/Service/Impl/MailQueueServiceImpl.java @@ -0,0 +1,73 @@ +package entgra.mailsender.Service.Impl; + +import entgra.mailsender.DAO.MailDAO; +import entgra.mailsender.DTO.MailModel; +import entgra.mailsender.Service.MailQueueService; +import entgra.mailsender.util.PriorityQueueHolder; +import lombok.RequiredArgsConstructor; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.util.List; +import java.util.Set; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.atomic.AtomicLong; +import java.util.logging.Logger; + +@Service +@RequiredArgsConstructor +public class MailQueueServiceImpl implements MailQueueService { + Logger logger = Logger.getLogger(String.valueOf(MailQueueServiceImpl.class)); + + @Autowired + MailDAO mailDAO; + + private volatile Thread processingThread; + private volatile boolean isProcessingMails; + + @Override + public void enqueMails(List mailModelList){ + BlockingQueue priorityQueue = PriorityQueueHolder.getInstance().getPriorityQueue(); + AtomicLong insertionOrderCounter = PriorityQueueHolder.getInstance().getInsertionOrderCounter(); + Set uniqueMails = PriorityQueueHolder.getInstance().getUniqueMails(); + for (MailModel mailModel : mailModelList){ + if (!PriorityQueueHolder.getInstance().getUniqueMails().contains(mailModel)){ + mailModel.setInsertionOrder(insertionOrderCounter.getAndIncrement()); + priorityQueue.add(mailModel); + uniqueMails.add(mailModel); + } + } + + } + + public MailModel getHighPriorityMail(){ + BlockingQueue priorityQueue = PriorityQueueHolder.getInstance().getPriorityQueue(); + Set uniqueMails = PriorityQueueHolder.getInstance().getUniqueMails(); + if (PriorityQueueHolder.getInstance().getPriorityQueue().peek() != null){ + MailModel mailModel = priorityQueue.poll(); + uniqueMails.remove(mailModel); + //logger.info(String.valueOf(mailModel.getEmailId())); + return mailModel; + } + return null; + } + + public void clearOnServerShutdown(){ + BlockingQueue priorityQueue = PriorityQueueHolder.getInstance().getPriorityQueue(); + if (processingThread != null){ + while (isProcessingMails){ + try { + Thread.sleep(1000); + }catch (InterruptedException e){ + Thread.currentThread().interrupt(); + logger.info("Error waiting for the processing cycle to complete" + e.getMessage()); + } + isProcessingMails = priorityQueue.peek() != null; + } + processingThread.interrupt(); + } + logger.info("Server shutdown"); + } + + +} diff --git a/src/main/java/entgra/mailsender/Service/Impl/MailServiceImpl.java b/src/main/java/entgra/mailsender/Service/Impl/MailServiceImpl.java new file mode 100644 index 0000000..36cc1bf --- /dev/null +++ b/src/main/java/entgra/mailsender/Service/Impl/MailServiceImpl.java @@ -0,0 +1,161 @@ +package entgra.mailsender.Service.Impl; + +import entgra.mailsender.DAO.MailDAO; +import entgra.mailsender.DTO.MailModel; +import entgra.mailsender.Service.MailQueueService; +import entgra.mailsender.Service.MailService; +import entgra.mailsender.exception.BadRequestException; +import entgra.mailsender.exception.MailException; +import entgra.mailsender.exception.QueueException; +import entgra.mailsender.util.PriorityQueueHolder; +import jakarta.annotation.PreDestroy; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.mail.javamail.JavaMailSender; +import org.springframework.mail.javamail.MimeMessageHelper; +import org.springframework.stereotype.Service; + +import java.sql.SQLException; +import java.util.ArrayList; +import java.util.List; +import java.util.logging.Logger; + + +@Service +public class MailServiceImpl implements MailService { + Logger logger = Logger.getLogger(String.valueOf(MailServiceImpl.class)); + private volatile boolean shutdownRequested = false; + + @Autowired + private MailQueueService mailQueueService; + + @PreDestroy + public void shutdown() { + shutdownRequested = true; + mailQueueService.clearOnServerShutdown(); + } + + @Autowired + private JavaMailSender javaMailSender; + + @Autowired + private MailDAO mailDAO; + + public void sendEmail(MailModel emailModel) throws MailException, SQLException { + if (shutdownRequested) { + String msg = "Server is shutting down. SMS requests will not be accepted."; + logger.warning(msg); + throw new BadRequestException(msg); + } + + if (isValidEmailAddress(emailModel.getEmailAddress())) { + String msg = "Invalid Email address"; + logger.warning(msg); + throw new BadRequestException(msg); + } + + int emailid = mailDAO.addMail(emailModel); // save the mail details in the database and get the auto generated id + + emailModel.setEmailId(emailid); + emailModel.setFilename(emailModel.getAttachment().getOriginalFilename()); + //add to the priority queue + List mailModels = new ArrayList<>(); + mailModels.add(emailModel); + + try { + mailQueueService.enqueMails(mailModels); + } catch (Exception e) { + logger.info(e.getMessage()); + throw new QueueException("Error processing Queue", e); + } + + //send the high priority mail + while (PriorityQueueHolder.getInstance().getPriorityQueue().peek() != null) { + MailModel prioritizedMail = mailQueueService.getHighPriorityMail(); + + javaMailSender.send(mimeMessage -> { + + MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true); + mimeMessageHelper.setTo(prioritizedMail.getEmailAddress()); + mimeMessageHelper.setSubject("Bill details for March "); + + StringBuilder emailBody = new StringBuilder(); + emailBody.append(prioritizedMail.getMsgTemplate()).append("\n"); + + // Append parameters to email body + List parameters = prioritizedMail.getParameters(); + + for (MailModel.Parameter parameter : parameters) { + emailBody.append("\n").append(parameter.getKey()).append(": ").append(parameter.getValue()); + } + + // Append text to email body + mimeMessageHelper.setText(emailBody.toString(), false); + + // Append attachments to email body + mimeMessageHelper.addAttachment(prioritizedMail.getFilename(), prioritizedMail.getAttachment()); + + //Store the sent mail to the table + mailDAO.addToSentMail(prioritizedMail.getEmailId()); + + }); + } + + + } + + public boolean isValidEmailAddress(String email) { + String regex = "^[a-zA-Z0-9_+&*-]+(?:\\.[a-zA-Z0-9_+&*-]+)*@(?:[a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,7}$"; + return !email.matches(regex); + } + + public void syncMailWithDB() { + try { + List mailModels = mailDAO.getUnsentMessages(); + if (!mailModels.isEmpty()) { + mailQueueService.enqueMails(mailModels); + } + } catch (Exception e) { + logger.info(e.getMessage()); + throw new QueueException("Error processing Queue", e); + } + + while (PriorityQueueHolder.getInstance().getPriorityQueue().peek() != null) { + MailModel prioritizedMail = mailDAO.getMailDetails(mailQueueService.getHighPriorityMail().getEmailId()); + + javaMailSender.send(mimeMessage -> { + + MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true); + mimeMessageHelper.setTo(prioritizedMail.getEmailAddress()); + mimeMessageHelper.setSubject("Bill details for March "); + + StringBuilder emailBody = new StringBuilder(); + emailBody.append(prioritizedMail.getMsgTemplate()).append("\n"); + + // Append parameters to email body + List parameters = prioritizedMail.getParameters(); + for (MailModel.Parameter parameter : parameters) { + System.out.println("Parameter name: " + parameter.getKey()); + System.out.println("Parameter value: " + parameter.getValue()); + } + + for (MailModel.Parameter parameter : parameters) { + emailBody.append("\n").append(parameter.getKey()).append(": ").append(parameter.getValue()); + } + + // Append text to email body + mimeMessageHelper.setText(emailBody.toString(), false); + + // Append attachments to email body + mimeMessageHelper.addAttachment(prioritizedMail.getFilename(), prioritizedMail.getFile()); + + //Store the sent mail to the table + mailDAO.addToSentMail(prioritizedMail.getEmailId()); + + + } + ); + } + } + + +} diff --git a/src/main/java/entgra/mailsender/Service/MailQueueService.java b/src/main/java/entgra/mailsender/Service/MailQueueService.java new file mode 100644 index 0000000..c86aabd --- /dev/null +++ b/src/main/java/entgra/mailsender/Service/MailQueueService.java @@ -0,0 +1,15 @@ +package entgra.mailsender.Service; + +import entgra.mailsender.DTO.MailModel; + +import java.util.List; + +public interface MailQueueService { + + void enqueMails(List mailModelList); + + MailModel getHighPriorityMail(); + + void clearOnServerShutdown(); + +} diff --git a/src/main/java/entgra/mailsender/Service/MailService.java b/src/main/java/entgra/mailsender/Service/MailService.java new file mode 100644 index 0000000..1fdf793 --- /dev/null +++ b/src/main/java/entgra/mailsender/Service/MailService.java @@ -0,0 +1,21 @@ +package entgra.mailsender.Service; + +import entgra.mailsender.DTO.MailModel; +import entgra.mailsender.exception.BadRequestException; +import entgra.mailsender.exception.MailException; + +import javax.mail.MessagingException; +import java.io.IOException; +import java.sql.SQLException; + + +public interface MailService { + void sendEmail(MailModel emailModel) throws MessagingException, IOException, BadRequestException, MailException, SQLException; + + boolean isValidEmailAddress(String email); + + void syncMailWithDB(); + + +} + diff --git a/src/main/java/entgra/mailsender/exception/BadRequestException.java b/src/main/java/entgra/mailsender/exception/BadRequestException.java new file mode 100644 index 0000000..326874e --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/BadRequestException.java @@ -0,0 +1,10 @@ +package entgra.mailsender.exception; + +public class BadRequestException extends MailException{ + + public BadRequestException(String message, Throwable ex){ super(message, ex);} + + public BadRequestException(String message) { + super(message); + } +} diff --git a/src/main/java/entgra/mailsender/exception/DatabaseAccessException.java b/src/main/java/entgra/mailsender/exception/DatabaseAccessException.java new file mode 100644 index 0000000..5a0f383 --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/DatabaseAccessException.java @@ -0,0 +1,11 @@ +package entgra.mailsender.exception; + +public class DatabaseAccessException extends RuntimeException{ + public DatabaseAccessException(String message) { + super(message); + } + + public DatabaseAccessException(String message, Throwable cause) { + super(message, cause); + } +} diff --git a/src/main/java/entgra/mailsender/exception/FileConversionException.java b/src/main/java/entgra/mailsender/exception/FileConversionException.java new file mode 100644 index 0000000..50b1a8a --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/FileConversionException.java @@ -0,0 +1,11 @@ +package entgra.mailsender.exception; + +public class FileConversionException extends RuntimeException{ + public FileConversionException(String message) { + super(message); + } + + public FileConversionException(String message, Throwable cause) { + super(message, cause); + } +} diff --git a/src/main/java/entgra/mailsender/exception/MailException.java b/src/main/java/entgra/mailsender/exception/MailException.java new file mode 100644 index 0000000..2a210f4 --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/MailException.java @@ -0,0 +1,30 @@ +package entgra.mailsender.exception; + +import lombok.Data; + +@Data +public class MailException extends Exception{ + private String errorMessage; + + public MailException(){super();} + + public MailException(Throwable cause) { + super(cause); + } + + public MailException(String msg, Exception nestedEx) { + super(msg, nestedEx); + setErrorMessage(msg); + } + + public MailException(String message, Throwable cause) { + super(message, cause); + setErrorMessage(message); + } + + public MailException(String msg) { + super(msg); + setErrorMessage(msg); + } + +} diff --git a/src/main/java/entgra/mailsender/exception/MailProcessingException.java b/src/main/java/entgra/mailsender/exception/MailProcessingException.java new file mode 100644 index 0000000..03efcf4 --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/MailProcessingException.java @@ -0,0 +1,11 @@ +package entgra.mailsender.exception; + +public class MailProcessingException extends RuntimeException{ + public MailProcessingException(String msg){ + super(msg); + } + + public MailProcessingException(String msg, Throwable cause){ + super(msg,cause); + } +} diff --git a/src/main/java/entgra/mailsender/exception/QueueException.java b/src/main/java/entgra/mailsender/exception/QueueException.java new file mode 100644 index 0000000..a92cd02 --- /dev/null +++ b/src/main/java/entgra/mailsender/exception/QueueException.java @@ -0,0 +1,11 @@ +package entgra.mailsender.exception; + +public class QueueException extends RuntimeException{ + public QueueException(String message){ + super(message); + } + + public QueueException(String message, Throwable cause) { + super(message, cause); + } +} diff --git a/src/main/java/entgra/mailsender/util/PriorityQueueHolder.java b/src/main/java/entgra/mailsender/util/PriorityQueueHolder.java new file mode 100644 index 0000000..899c20e --- /dev/null +++ b/src/main/java/entgra/mailsender/util/PriorityQueueHolder.java @@ -0,0 +1,31 @@ +package entgra.mailsender.util; + +import entgra.mailsender.DTO.MailModel; +import lombok.Getter; + +import java.util.Comparator; +import java.util.Set; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.PriorityBlockingQueue; +import java.util.concurrent.atomic.AtomicLong; + +public class PriorityQueueHolder { + + // Singleton instance + @Getter + private static final PriorityQueueHolder instance = new PriorityQueueHolder(); + @Getter + private final AtomicLong insertionOrderCounter = new AtomicLong(1); + + // PriorityBlockingQueue is thread-safe and supports ordering elements based on their natural order or a custom comparator. + @Getter + private final BlockingQueue priorityQueue = new PriorityBlockingQueue<>(100, Comparator + .comparingLong(MailModel::getPriority) + .thenComparing(MailModel::getExpiry_at) + .thenComparing(MailModel::getInsertionOrder)); + + @Getter + private final Set uniqueMails = ConcurrentHashMap.newKeySet(); + +} diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties new file mode 100644 index 0000000..4786a42 --- /dev/null +++ b/src/main/resources/application.properties @@ -0,0 +1,12 @@ +spring.mail.host=smtp.gmail.com +spring.mail.port=587 +spring.mail.username=chandrasegar@entgra.io +spring.mail.password=kfgt idre luvt ismk +spring.datasource.url=jdbc:mysql://${MYSQL_HOST:localhost}:3306/email_sending +spring.datasource.username=entgra +spring.datasource.password=entgra123 +spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver + + + + diff --git a/src/test/java/entgra/mailsender/MailsenderApplicationTests.java b/src/test/java/entgra/mailsender/MailsenderApplicationTests.java new file mode 100644 index 0000000..a8ba40b --- /dev/null +++ b/src/test/java/entgra/mailsender/MailsenderApplicationTests.java @@ -0,0 +1,13 @@ +package entgra.mailsender; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class MailsenderApplicationTests { + + @Test + void contextLoads() { + } + +}