├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── README.md ├── mvnw ├── mvnw.cmd ├── pom.xml └── src ├── main ├── java │ └── com │ │ └── abhicodes │ │ └── querydsldynamicquery │ │ ├── QuerydslDynamicQueryApplication.java │ │ ├── component │ │ └── CommonComponent.java │ │ ├── config │ │ └── CommonConfig.java │ │ ├── controller │ │ ├── BaseController.java │ │ └── PostController.java │ │ ├── domain │ │ ├── PostDTO.java │ │ └── UsersDTO.java │ │ ├── entity │ │ ├── AuditableComplete.java │ │ ├── Post.java │ │ ├── PostComment.java │ │ ├── PostType.java │ │ └── Users.java │ │ ├── predicate │ │ ├── CommonPredicate.java │ │ └── CommonPredicateBuilder.java │ │ ├── repository │ │ └── PostRepository.java │ │ ├── service │ │ └── BaseService.java │ │ ├── serviceimpl │ │ └── PostService.java │ │ ├── utils │ │ ├── PostUtils.java │ │ └── SearchCriteria.java │ │ └── vo │ │ └── PageableResponse.java └── resources │ └── application.properties └── test └── java └── com └── abhicodes └── querydsldynamicquery └── QuerydslDynamicQueryApplicationTests.java /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | target/ 3 | !.mvn/wrapper/maven-wrapper.jar 4 | !**/src/main/**/target/ 5 | !**/src/test/**/target/ 6 | 7 | ### STS ### 8 | .apt_generated 9 | .classpath 10 | .factorypath 11 | .project 12 | .settings 13 | .springBeans 14 | .sts4-cache 15 | 16 | ### IntelliJ IDEA ### 17 | .idea 18 | *.iws 19 | *.iml 20 | *.ipr 21 | 22 | ### NetBeans ### 23 | /nbproject/private/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ 28 | build/ 29 | !**/src/main/**/build/ 30 | !**/src/test/**/build/ 31 | 32 | ### VS Code ### 33 | .vscode/ 34 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Abhi-Codes/querydsl-dynamic-query/b4778e2f4a93ab03519c62a17af76cb4fcfb70ce/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip 2 | wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # querydsl-dynamic-query 2 | Dynamic Query Builder using Query DSL 3 | 4 | Follow my blog to read more about how to generate dynamic filters with Spring Boot and Query DSL , No Specifications used 5 | https://abhiandy.medium.com/dynamic-query-predicate-generation-using-springboot-and-querydsl-fdb0d5d3555b 6 | -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # https://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /usr/local/etc/mavenrc ] ; then 40 | . /usr/local/etc/mavenrc 41 | fi 42 | 43 | if [ -f /etc/mavenrc ] ; then 44 | . /etc/mavenrc 45 | fi 46 | 47 | if [ -f "$HOME/.mavenrc" ] ; then 48 | . "$HOME/.mavenrc" 49 | fi 50 | 51 | fi 52 | 53 | # OS specific support. $var _must_ be set to either true or false. 54 | cygwin=false; 55 | darwin=false; 56 | mingw=false 57 | case "`uname`" in 58 | CYGWIN*) cygwin=true ;; 59 | MINGW*) mingw=true;; 60 | Darwin*) darwin=true 61 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 62 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 63 | if [ -z "$JAVA_HOME" ]; then 64 | if [ -x "/usr/libexec/java_home" ]; then 65 | export JAVA_HOME="`/usr/libexec/java_home`" 66 | else 67 | export JAVA_HOME="/Library/Java/Home" 68 | fi 69 | fi 70 | ;; 71 | esac 72 | 73 | if [ -z "$JAVA_HOME" ] ; then 74 | if [ -r /etc/gentoo-release ] ; then 75 | JAVA_HOME=`java-config --jre-home` 76 | fi 77 | fi 78 | 79 | if [ -z "$M2_HOME" ] ; then 80 | ## resolve links - $0 may be a link to maven's home 81 | PRG="$0" 82 | 83 | # need this for relative symlinks 84 | while [ -h "$PRG" ] ; do 85 | ls=`ls -ld "$PRG"` 86 | link=`expr "$ls" : '.*-> \(.*\)$'` 87 | if expr "$link" : '/.*' > /dev/null; then 88 | PRG="$link" 89 | else 90 | PRG="`dirname "$PRG"`/$link" 91 | fi 92 | done 93 | 94 | saveddir=`pwd` 95 | 96 | M2_HOME=`dirname "$PRG"`/.. 97 | 98 | # make it fully qualified 99 | M2_HOME=`cd "$M2_HOME" && pwd` 100 | 101 | cd "$saveddir" 102 | # echo Using m2 at $M2_HOME 103 | fi 104 | 105 | # For Cygwin, ensure paths are in UNIX format before anything is touched 106 | if $cygwin ; then 107 | [ -n "$M2_HOME" ] && 108 | M2_HOME=`cygpath --unix "$M2_HOME"` 109 | [ -n "$JAVA_HOME" ] && 110 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 111 | [ -n "$CLASSPATH" ] && 112 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 113 | fi 114 | 115 | # For Mingw, ensure paths are in UNIX format before anything is touched 116 | if $mingw ; then 117 | [ -n "$M2_HOME" ] && 118 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 119 | [ -n "$JAVA_HOME" ] && 120 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 121 | fi 122 | 123 | if [ -z "$JAVA_HOME" ]; then 124 | javaExecutable="`which javac`" 125 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 126 | # readlink(1) is not available as standard on Solaris 10. 127 | readLink=`which readlink` 128 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 129 | if $darwin ; then 130 | javaHome="`dirname \"$javaExecutable\"`" 131 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 132 | else 133 | javaExecutable="`readlink -f \"$javaExecutable\"`" 134 | fi 135 | javaHome="`dirname \"$javaExecutable\"`" 136 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 137 | JAVA_HOME="$javaHome" 138 | export JAVA_HOME 139 | fi 140 | fi 141 | fi 142 | 143 | if [ -z "$JAVACMD" ] ; then 144 | if [ -n "$JAVA_HOME" ] ; then 145 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 146 | # IBM's JDK on AIX uses strange locations for the executables 147 | JAVACMD="$JAVA_HOME/jre/sh/java" 148 | else 149 | JAVACMD="$JAVA_HOME/bin/java" 150 | fi 151 | else 152 | JAVACMD="`\\unset -f command; \\command -v java`" 153 | fi 154 | fi 155 | 156 | if [ ! -x "$JAVACMD" ] ; then 157 | echo "Error: JAVA_HOME is not defined correctly." >&2 158 | echo " We cannot execute $JAVACMD" >&2 159 | exit 1 160 | fi 161 | 162 | if [ -z "$JAVA_HOME" ] ; then 163 | echo "Warning: JAVA_HOME environment variable is not set." 164 | fi 165 | 166 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 167 | 168 | # traverses directory structure from process work directory to filesystem root 169 | # first directory with .mvn subdirectory is considered project base directory 170 | find_maven_basedir() { 171 | 172 | if [ -z "$1" ] 173 | then 174 | echo "Path not specified to find_maven_basedir" 175 | return 1 176 | fi 177 | 178 | basedir="$1" 179 | wdir="$1" 180 | while [ "$wdir" != '/' ] ; do 181 | if [ -d "$wdir"/.mvn ] ; then 182 | basedir=$wdir 183 | break 184 | fi 185 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 186 | if [ -d "${wdir}" ]; then 187 | wdir=`cd "$wdir/.."; pwd` 188 | fi 189 | # end of workaround 190 | done 191 | echo "${basedir}" 192 | } 193 | 194 | # concatenates all lines of a file 195 | concat_lines() { 196 | if [ -f "$1" ]; then 197 | echo "$(tr -s '\n' ' ' < "$1")" 198 | fi 199 | } 200 | 201 | BASE_DIR=`find_maven_basedir "$(pwd)"` 202 | if [ -z "$BASE_DIR" ]; then 203 | exit 1; 204 | fi 205 | 206 | ########################################################################################## 207 | # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 208 | # This allows using the maven wrapper in projects that prohibit checking in binary data. 209 | ########################################################################################## 210 | if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then 211 | if [ "$MVNW_VERBOSE" = true ]; then 212 | echo "Found .mvn/wrapper/maven-wrapper.jar" 213 | fi 214 | else 215 | if [ "$MVNW_VERBOSE" = true ]; then 216 | echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." 217 | fi 218 | if [ -n "$MVNW_REPOURL" ]; then 219 | jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 220 | else 221 | jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 222 | fi 223 | while IFS="=" read key value; do 224 | case "$key" in (wrapperUrl) jarUrl="$value"; break ;; 225 | esac 226 | done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" 227 | if [ "$MVNW_VERBOSE" = true ]; then 228 | echo "Downloading from: $jarUrl" 229 | fi 230 | wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" 231 | if $cygwin; then 232 | wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` 233 | fi 234 | 235 | if command -v wget > /dev/null; then 236 | if [ "$MVNW_VERBOSE" = true ]; then 237 | echo "Found wget ... using wget" 238 | fi 239 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 240 | wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 241 | else 242 | wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 243 | fi 244 | elif command -v curl > /dev/null; then 245 | if [ "$MVNW_VERBOSE" = true ]; then 246 | echo "Found curl ... using curl" 247 | fi 248 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 249 | curl -o "$wrapperJarPath" "$jarUrl" -f 250 | else 251 | curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f 252 | fi 253 | 254 | else 255 | if [ "$MVNW_VERBOSE" = true ]; then 256 | echo "Falling back to using Java to download" 257 | fi 258 | javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" 259 | # For Cygwin, switch paths to Windows format before running javac 260 | if $cygwin; then 261 | javaClass=`cygpath --path --windows "$javaClass"` 262 | fi 263 | if [ -e "$javaClass" ]; then 264 | if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 265 | if [ "$MVNW_VERBOSE" = true ]; then 266 | echo " - Compiling MavenWrapperDownloader.java ..." 267 | fi 268 | # Compiling the Java class 269 | ("$JAVA_HOME/bin/javac" "$javaClass") 270 | fi 271 | if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 272 | # Running the downloader 273 | if [ "$MVNW_VERBOSE" = true ]; then 274 | echo " - Running MavenWrapperDownloader.java ..." 275 | fi 276 | ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") 277 | fi 278 | fi 279 | fi 280 | fi 281 | ########################################################################################## 282 | # End of extension 283 | ########################################################################################## 284 | 285 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 286 | if [ "$MVNW_VERBOSE" = true ]; then 287 | echo $MAVEN_PROJECTBASEDIR 288 | fi 289 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 290 | 291 | # For Cygwin, switch paths to Windows format before running java 292 | if $cygwin; then 293 | [ -n "$M2_HOME" ] && 294 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 295 | [ -n "$JAVA_HOME" ] && 296 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 297 | [ -n "$CLASSPATH" ] && 298 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 299 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 300 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 301 | fi 302 | 303 | # Provide a "standardized" way to retrieve the CLI args that will 304 | # work with both Windows and non-Windows executions. 305 | MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" 306 | export MAVEN_CMD_LINE_ARGS 307 | 308 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 309 | 310 | exec "$JAVACMD" \ 311 | $MAVEN_OPTS \ 312 | $MAVEN_DEBUG_OPTS \ 313 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 314 | "-Dmaven.home=${M2_HOME}" \ 315 | "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 316 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 317 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM https://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM set title of command window 39 | title %0 40 | @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' 41 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 42 | 43 | @REM set %HOME% to equivalent of $HOME 44 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 45 | 46 | @REM Execute a user defined script before this one 47 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 48 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 49 | if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %* 50 | if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %* 51 | :skipRcPre 52 | 53 | @setlocal 54 | 55 | set ERROR_CODE=0 56 | 57 | @REM To isolate internal variables from possible post scripts, we use another setlocal 58 | @setlocal 59 | 60 | @REM ==== START VALIDATION ==== 61 | if not "%JAVA_HOME%" == "" goto OkJHome 62 | 63 | echo. 64 | echo Error: JAVA_HOME not found in your environment. >&2 65 | echo Please set the JAVA_HOME variable in your environment to match the >&2 66 | echo location of your Java installation. >&2 67 | echo. 68 | goto error 69 | 70 | :OkJHome 71 | if exist "%JAVA_HOME%\bin\java.exe" goto init 72 | 73 | echo. 74 | echo Error: JAVA_HOME is set to an invalid directory. >&2 75 | echo JAVA_HOME = "%JAVA_HOME%" >&2 76 | echo Please set the JAVA_HOME variable in your environment to match the >&2 77 | echo location of your Java installation. >&2 78 | echo. 79 | goto error 80 | 81 | @REM ==== END VALIDATION ==== 82 | 83 | :init 84 | 85 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 86 | @REM Fallback to current working directory if not found. 87 | 88 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 89 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 90 | 91 | set EXEC_DIR=%CD% 92 | set WDIR=%EXEC_DIR% 93 | :findBaseDir 94 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 95 | cd .. 96 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 97 | set WDIR=%CD% 98 | goto findBaseDir 99 | 100 | :baseDirFound 101 | set MAVEN_PROJECTBASEDIR=%WDIR% 102 | cd "%EXEC_DIR%" 103 | goto endDetectBaseDir 104 | 105 | :baseDirNotFound 106 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 107 | cd "%EXEC_DIR%" 108 | 109 | :endDetectBaseDir 110 | 111 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 112 | 113 | @setlocal EnableExtensions EnableDelayedExpansion 114 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 115 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 116 | 117 | :endReadAdditionalConfig 118 | 119 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 120 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 121 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 122 | 123 | set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 124 | 125 | FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( 126 | IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 127 | ) 128 | 129 | @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 130 | @REM This allows using the maven wrapper in projects that prohibit checking in binary data. 131 | if exist %WRAPPER_JAR% ( 132 | if "%MVNW_VERBOSE%" == "true" ( 133 | echo Found %WRAPPER_JAR% 134 | ) 135 | ) else ( 136 | if not "%MVNW_REPOURL%" == "" ( 137 | SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 138 | ) 139 | if "%MVNW_VERBOSE%" == "true" ( 140 | echo Couldn't find %WRAPPER_JAR%, downloading it ... 141 | echo Downloading from: %DOWNLOAD_URL% 142 | ) 143 | 144 | powershell -Command "&{"^ 145 | "$webclient = new-object System.Net.WebClient;"^ 146 | "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ 147 | "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ 148 | "}"^ 149 | "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ 150 | "}" 151 | if "%MVNW_VERBOSE%" == "true" ( 152 | echo Finished downloading %WRAPPER_JAR% 153 | ) 154 | ) 155 | @REM End of extension 156 | 157 | @REM Provide a "standardized" way to retrieve the CLI args that will 158 | @REM work with both Windows and non-Windows executions. 159 | set MAVEN_CMD_LINE_ARGS=%* 160 | 161 | %MAVEN_JAVA_EXE% ^ 162 | %JVM_CONFIG_MAVEN_PROPS% ^ 163 | %MAVEN_OPTS% ^ 164 | %MAVEN_DEBUG_OPTS% ^ 165 | -classpath %WRAPPER_JAR% ^ 166 | "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^ 167 | %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 168 | if ERRORLEVEL 1 goto error 169 | goto end 170 | 171 | :error 172 | set ERROR_CODE=1 173 | 174 | :end 175 | @endlocal & set ERROR_CODE=%ERROR_CODE% 176 | 177 | if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost 178 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 179 | if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat" 180 | if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd" 181 | :skipRcPost 182 | 183 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 184 | if "%MAVEN_BATCH_PAUSE%"=="on" pause 185 | 186 | if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE% 187 | 188 | cmd /C exit /B %ERROR_CODE% 189 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.springframework.boot 7 | spring-boot-starter-parent 8 | 2.7.4 9 | 10 | 11 | com.abhicodes 12 | querydsl-dynamic-query 13 | 0.0.1-SNAPSHOT 14 | querydsl-dynamic-query 15 | Dynamic query language using QueryDSL 16 | 17 | 17 18 | 19 | 20 | 21 | org.springframework.boot 22 | spring-boot-starter-data-jpa 23 | 24 | 25 | org.springframework.boot 26 | spring-boot-starter-web 27 | 28 | 29 | 30 | org.projectlombok 31 | lombok 32 | true 33 | 34 | 35 | mysql 36 | mysql-connector-java 37 | runtime 38 | 39 | 40 | 41 | com.querydsl 42 | querydsl-apt 43 | 44 | 45 | com.querydsl 46 | querydsl-jpa 47 | 48 | 49 | org.modelmapper 50 | modelmapper 51 | 3.1.0 52 | 53 | 54 | org.springframework.boot 55 | spring-boot-starter-test 56 | test 57 | 58 | 59 | 60 | 61 | 62 | 63 | org.springframework.boot 64 | spring-boot-maven-plugin 65 | 66 | 67 | 68 | org.projectlombok 69 | lombok 70 | 71 | 72 | 73 | 74 | 75 | com.mysema.maven 76 | apt-maven-plugin 77 | 1.1.3 78 | 79 | 80 | 81 | process 82 | 83 | 84 | target/generated-sources/java 85 | com.querydsl.apt.jpa.JPAAnnotationProcessor 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/QuerydslDynamicQueryApplication.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | import org.springframework.data.jpa.repository.config.EnableJpaRepositories; 6 | 7 | @SpringBootApplication 8 | @EnableJpaRepositories 9 | public class QuerydslDynamicQueryApplication { 10 | 11 | public static void main(String[] args) { 12 | SpringApplication.run(QuerydslDynamicQueryApplication.class, args); 13 | } 14 | 15 | } 16 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/component/CommonComponent.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.component; 2 | 3 | import java.util.List; 4 | import java.util.Map; 5 | import java.util.Optional; 6 | import java.util.stream.Collectors; 7 | import java.util.stream.Stream; 8 | 9 | import org.springframework.beans.factory.annotation.Autowired; 10 | import org.springframework.data.domain.PageRequest; 11 | import org.springframework.data.domain.Pageable; 12 | import org.springframework.data.domain.Sort; 13 | import org.springframework.data.domain.Sort.NullHandling; 14 | import org.springframework.data.domain.Sort.Order; 15 | import org.springframework.stereotype.Component; 16 | 17 | import com.fasterxml.jackson.databind.ObjectMapper; 18 | 19 | @Component 20 | public class CommonComponent { 21 | 22 | @Autowired 23 | ObjectMapper objectMapper; 24 | 25 | /** 26 | * Customize Pagination 27 | * 28 | * @param pageable 29 | * @param replaceKeyMap 30 | * @return 31 | */ 32 | public PageRequest customizePagable(Pageable pageable, Map replaceKeyMap) { 33 | List newSort = Optional.ofNullable(pageable.getSort()).map(Sort::stream).orElseGet(Stream::empty) 34 | .map(o -> Order 35 | .by(Optional.ofNullable(replaceKeyMap).map(m -> m.get(o.getProperty())).orElse(o.getProperty())) 36 | .with(o.getDirection()).with(NullHandling.NULLS_LAST)) 37 | .collect(Collectors.toList()); 38 | return PageRequest.of(pageable.getPageNumber(), pageable.getPageSize(), Sort.by(newSort)); 39 | } 40 | 41 | } -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/config/CommonConfig.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.config; 2 | 3 | import org.modelmapper.Conditions; 4 | import org.modelmapper.ModelMapper; 5 | import org.springframework.context.annotation.Bean; 6 | import org.springframework.context.annotation.Configuration; 7 | import org.springframework.web.client.RestTemplate; 8 | 9 | @Configuration 10 | public class CommonConfig { 11 | 12 | @Bean 13 | RestTemplate restTemplate() { 14 | return new RestTemplate(); 15 | } 16 | 17 | @Bean 18 | ModelMapper modelMapper() { 19 | ModelMapper modelMapper = new ModelMapper(); 20 | modelMapper.getConfiguration().setPropertyCondition(Conditions.isNotNull()); 21 | return modelMapper; 22 | } 23 | 24 | } 25 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/controller/BaseController.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.controller; 2 | 3 | import org.springframework.beans.propertyeditors.StringArrayPropertyEditor; 4 | import org.springframework.data.domain.Page; 5 | import org.springframework.web.bind.WebDataBinder; 6 | import org.springframework.web.bind.annotation.InitBinder; 7 | import org.springframework.web.bind.annotation.RestController; 8 | 9 | import com.abhicodes.querydsldynamicquery.vo.PageableResponse; 10 | 11 | /** 12 | * The Class BaseController. 13 | */ 14 | @RestController 15 | public class BaseController { 16 | 17 | @InitBinder 18 | public void initBinder(WebDataBinder binder) { 19 | binder.registerCustomEditor(String[].class, new StringArrayPropertyEditor("DoNotSeperate")); 20 | } 21 | 22 | /** 23 | * Format page response. 24 | * 25 | * @param page the page 26 | * @return the pageable response 27 | */ 28 | public PageableResponse formatPageResponse(Page page) { 29 | return PageableResponse.builder().currentPage(page.getNumber() + 1).pageSize(page.getSize()) 30 | .totalPages(page.getTotalPages()).totalElements(page.getTotalElements()).results(page.getContent()) 31 | .build(); 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/controller/PostController.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.controller; 2 | 3 | import org.springframework.beans.factory.annotation.Autowired; 4 | import org.springframework.data.domain.Page; 5 | import org.springframework.data.domain.Pageable; 6 | import org.springframework.data.domain.Sort.Direction; 7 | import org.springframework.data.web.SortDefault; 8 | import org.springframework.web.bind.annotation.GetMapping; 9 | import org.springframework.web.bind.annotation.RequestParam; 10 | import org.springframework.web.bind.annotation.RestController; 11 | 12 | import com.abhicodes.querydsldynamicquery.domain.PostDTO; 13 | import com.abhicodes.querydsldynamicquery.serviceimpl.PostService; 14 | import com.abhicodes.querydsldynamicquery.vo.PageableResponse; 15 | 16 | @RestController 17 | public class PostController extends BaseController { 18 | 19 | @Autowired 20 | PostService ps; 21 | 22 | @GetMapping("/all-posts") 23 | public PageableResponse getAllPosts(@SortDefault(sort = "updatedAt", direction = Direction.DESC) Pageable pageable, 24 | @RequestParam(required = false) String[] filter) { 25 | 26 | Page pcq = ps.getPostListing(filter, pageable); 27 | return formatPageResponse(pcq); 28 | 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/domain/PostDTO.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.domain; 2 | 3 | import java.time.LocalDateTime; 4 | 5 | import lombok.AllArgsConstructor; 6 | import lombok.Builder; 7 | import lombok.Data; 8 | import lombok.NoArgsConstructor; 9 | 10 | @Data 11 | @AllArgsConstructor 12 | @NoArgsConstructor 13 | @Builder 14 | public class PostDTO { 15 | private Integer id; 16 | private String title; 17 | 18 | private UsersDTO author; 19 | 20 | private String postType; 21 | private LocalDateTime createdAt; 22 | private LocalDateTime updatedAt; 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/domain/UsersDTO.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.domain; 2 | 3 | import com.fasterxml.jackson.annotation.JsonInclude; 4 | import com.fasterxml.jackson.annotation.JsonInclude.Include; 5 | 6 | import lombok.Data; 7 | 8 | @Data 9 | @JsonInclude(Include.NON_NULL) 10 | public class UsersDTO { 11 | 12 | private String fullName; 13 | private String userName; 14 | private String email; 15 | } 16 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/entity/AuditableComplete.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.entity; 2 | 3 | import java.time.LocalDateTime; 4 | 5 | import javax.persistence.Column; 6 | import javax.persistence.EntityListeners; 7 | import javax.persistence.MappedSuperclass; 8 | 9 | import org.springframework.data.annotation.CreatedBy; 10 | import org.springframework.data.annotation.CreatedDate; 11 | import org.springframework.data.annotation.LastModifiedBy; 12 | import org.springframework.data.annotation.LastModifiedDate; 13 | import org.springframework.data.jpa.domain.support.AuditingEntityListener; 14 | 15 | import com.fasterxml.jackson.annotation.JsonFormat; 16 | 17 | import lombok.Data; 18 | 19 | @MappedSuperclass 20 | @EntityListeners(AuditingEntityListener.class) 21 | @Data 22 | public class AuditableComplete { 23 | 24 | @CreatedDate 25 | @Column(name = "created_at",nullable = false, updatable = false) 26 | @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "UTC") 27 | private LocalDateTime createdAt; 28 | 29 | @LastModifiedDate 30 | @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss", timezone = "UTC") 31 | @Column(name = "updated_at") 32 | private LocalDateTime updatedAt; 33 | 34 | @CreatedBy 35 | @Column(name = "created_by") 36 | private String createdBy; 37 | 38 | @LastModifiedBy 39 | @Column(name = "updated_by") 40 | private String updatedBy; 41 | } 42 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/entity/Post.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.entity; 2 | 3 | import java.util.ArrayList; 4 | import java.util.List; 5 | 6 | import javax.persistence.CascadeType; 7 | import javax.persistence.Column; 8 | import javax.persistence.Entity; 9 | import javax.persistence.FetchType; 10 | import javax.persistence.GeneratedValue; 11 | import javax.persistence.GenerationType; 12 | import javax.persistence.Id; 13 | import javax.persistence.JoinColumn; 14 | import javax.persistence.OneToMany; 15 | import javax.persistence.OneToOne; 16 | import javax.persistence.Table; 17 | 18 | import org.hibernate.annotations.GenericGenerator; 19 | 20 | import lombok.Data; 21 | import lombok.EqualsAndHashCode; 22 | 23 | @Data 24 | @Entity 25 | @Table(name = "abhi_posts") 26 | @EqualsAndHashCode(callSuper = false) 27 | public class Post extends AuditableComplete { 28 | 29 | @Id 30 | @GeneratedValue(strategy = GenerationType.AUTO, generator = "native") 31 | @GenericGenerator(name = "native", strategy = "native") 32 | @Column(name = "id", updatable = false, nullable = false) 33 | private Integer id; 34 | 35 | private String title; 36 | 37 | @OneToMany(mappedBy = "post", cascade = CascadeType.ALL, orphanRemoval = true) 38 | private List comments = new ArrayList<>(); 39 | 40 | @OneToOne(fetch = FetchType.LAZY) 41 | @JoinColumn(name = "post_type_id") 42 | private PostType postType; 43 | 44 | @JoinColumn(name = "author_id") 45 | @OneToOne(fetch = FetchType.LAZY) 46 | private Users author; 47 | 48 | public void addComment(PostComment comment) { 49 | comments.add(comment); 50 | comment.setPost(this); 51 | } 52 | 53 | public void removeComment(PostComment comment) { 54 | comments.remove(comment); 55 | comment.setPost(null); 56 | } 57 | } -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/entity/PostComment.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.entity; 2 | 3 | import javax.persistence.Column; 4 | import javax.persistence.Entity; 5 | import javax.persistence.FetchType; 6 | import javax.persistence.GeneratedValue; 7 | import javax.persistence.GenerationType; 8 | import javax.persistence.Id; 9 | import javax.persistence.ManyToOne; 10 | import javax.persistence.Table; 11 | 12 | import org.hibernate.annotations.GenericGenerator; 13 | 14 | import lombok.Data; 15 | 16 | @Entity 17 | @Table(name = "abhi_post_comments") 18 | @Data 19 | public class PostComment { 20 | 21 | @Id 22 | @GeneratedValue(strategy = GenerationType.AUTO, generator = "native") 23 | @GenericGenerator(name = "native", strategy = "native") 24 | @Column(name = "id", updatable = false, nullable = false) 25 | private Long id; 26 | 27 | private String comments; 28 | 29 | @ManyToOne(fetch = FetchType.LAZY) 30 | private Post post; 31 | 32 | } 33 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/entity/PostType.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.entity; 2 | 3 | import javax.persistence.Column; 4 | import javax.persistence.Entity; 5 | import javax.persistence.GeneratedValue; 6 | import javax.persistence.GenerationType; 7 | import javax.persistence.Id; 8 | import javax.persistence.Table; 9 | 10 | import org.hibernate.annotations.GenericGenerator; 11 | 12 | import lombok.Data; 13 | 14 | @Entity 15 | @Table(name = "abhi_post_types") 16 | @Data 17 | public class PostType { 18 | 19 | @Id 20 | @GeneratedValue(strategy = GenerationType.AUTO, generator = "native") 21 | @GenericGenerator(name = "native", strategy = "native") 22 | @Column(name = "id", updatable = false, nullable = false) 23 | private Integer id; 24 | 25 | @Column(name = "type") 26 | private String type; 27 | 28 | } 29 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/entity/Users.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.entity; 2 | 3 | import javax.persistence.Column; 4 | import javax.persistence.Entity; 5 | import javax.persistence.GeneratedValue; 6 | import javax.persistence.GenerationType; 7 | import javax.persistence.Id; 8 | import javax.persistence.Table; 9 | 10 | import org.hibernate.annotations.GenericGenerator; 11 | 12 | import lombok.Data; 13 | 14 | @Entity 15 | @Table(name = "abhi_users") 16 | @Data 17 | public class Users { 18 | 19 | @Id 20 | @GeneratedValue(strategy = GenerationType.AUTO, generator = "native") 21 | @GenericGenerator(name = "native", strategy = "native") 22 | @Column(name = "id", updatable = false, nullable = false) 23 | private Integer id; 24 | 25 | @Column(name = "user_name") 26 | private String userName; 27 | 28 | @Column(name = "email") 29 | private String email; 30 | 31 | @Column(name = "is_active") 32 | private Boolean isActive; 33 | 34 | @Column(name = "full_name") 35 | private String fullName; 36 | 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/predicate/CommonPredicate.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.predicate; 2 | 3 | import java.lang.reflect.Field; 4 | import java.time.LocalDate; 5 | import java.time.LocalDateTime; 6 | import java.time.LocalTime; 7 | import java.util.Arrays; 8 | import java.util.LinkedList; 9 | import java.util.List; 10 | import java.util.stream.Collectors; 11 | import java.util.stream.Stream; 12 | 13 | import com.querydsl.core.types.dsl.BooleanExpression; 14 | import com.querydsl.core.types.dsl.DatePath; 15 | import com.querydsl.core.types.dsl.NumberPath; 16 | import com.querydsl.core.types.dsl.PathBuilder; 17 | import com.querydsl.core.types.dsl.StringPath; 18 | 19 | import lombok.SneakyThrows; 20 | 21 | /** 22 | * The Class CommonPredicate. 23 | * 24 | * @param the generic type 25 | */ 26 | public class CommonPredicate { 27 | 28 | private final Class type; 29 | private final String entityVariable; 30 | 31 | /** 32 | * Instantiates a new common predicate. 33 | * 34 | * @param type the type 35 | * @param entityVariable the entity variable 36 | */ 37 | public CommonPredicate(Class type, String entityVariable) { 38 | this.type = type; 39 | this.entityVariable = entityVariable; 40 | } 41 | 42 | /** 43 | * Gets the predicate. 44 | * 45 | * @param key the key 46 | * @param operator the operator 47 | * @param value the value 48 | * @return the predicate 49 | */ 50 | public BooleanExpression getPredicate(String key, String operator, String value) { 51 | PathBuilder entityPath = new PathBuilder<>(type, entityVariable); 52 | return getPredicate(key, operator, value, entityPath, type); 53 | } 54 | 55 | /** 56 | * Gets the predicate. 57 | * 58 | * @param key the key 59 | * @param operator the operator 60 | * @param value the value 61 | * @param entityPath the entity path 62 | * @param classType the class type 63 | * @return the predicate 64 | */ 65 | private BooleanExpression getPredicate(String key, String operator, String value, PathBuilder entityPath, 66 | Class classType) { 67 | boolean isMultiValue = value.contains(","); 68 | Class propertyType = getPropertyType(classType, key); 69 | switch (propertyType.getSimpleName()) { 70 | case "Integer": 71 | if (isMultiValue) { 72 | NumberPath path = entityPath.getNumber(key, Integer.class); 73 | Integer[] numValue = Stream.of(value.split(",")).map(Integer::parseInt).toArray(Integer[]::new); 74 | return getNumberPredicate(path, operator, numValue); 75 | } else { 76 | NumberPath path = entityPath.getNumber(key, Integer.class); 77 | Integer numValue = Integer.parseInt(value); 78 | return getNumberPredicate(path, operator, numValue); 79 | } 80 | case "Long": 81 | if (isMultiValue) { 82 | NumberPath path = entityPath.getNumber(key, Long.class); 83 | Long[] numValue = Stream.of(value.split(",")).map(Long::parseLong).toArray(Long[]::new); 84 | return getNumberPredicate(path, operator, numValue); 85 | } else { 86 | NumberPath path = entityPath.getNumber(key, Long.class); 87 | Long numValue = Long.parseLong(value); 88 | return getNumberPredicate(path, operator, numValue); 89 | } 90 | case "Double": 91 | if (isMultiValue) { 92 | NumberPath path = entityPath.getNumber(key, Double.class); 93 | Double[] numValue = Stream.of(value.split(",")).map(Double::parseDouble).toArray(Double[]::new); 94 | return getNumberPredicate(path, operator, numValue); 95 | } else { 96 | NumberPath path = entityPath.getNumber(key, Double.class); 97 | Double numValue = Double.parseDouble(value); 98 | return getNumberPredicate(path, operator, numValue); 99 | } 100 | case "Boolean": 101 | if (":".equals(operator)) { 102 | return entityPath.getBoolean(key).eq(Boolean.parseBoolean(value)); 103 | } else { 104 | throw new RuntimeException("Unsupported Boolean operation"); 105 | } 106 | case "String": 107 | return getStringPredicate(key, operator, value, entityPath); 108 | case "LocalDate": 109 | return getDatePredicate(key, operator, value, entityPath); 110 | case "LocalDateTime": 111 | return getDateTimePredicate(key, operator, value, entityPath); 112 | default: 113 | 114 | // do nothing 115 | return null; 116 | } 117 | } 118 | 119 | /** 120 | * Gets the number predicate. 121 | * 122 | * @param path the path 123 | * @param operator the operator 124 | * @param value the value 125 | * @return the number predicate 126 | */ 127 | private BooleanExpression getNumberPredicate(NumberPath path, String operator, Integer value) { 128 | switch (operator) { 129 | case ":": 130 | return path.eq(value); 131 | case ">": 132 | return path.gt(value); 133 | case "<": 134 | return path.lt(value); 135 | case ">=": 136 | return path.goe(value); 137 | case "<=": 138 | return path.loe(value); 139 | case "!=": 140 | return path.notIn(value); 141 | default: 142 | return null; 143 | } 144 | } 145 | 146 | /** 147 | * Gets the number predicate. 148 | * 149 | * @param path the path 150 | * @param operator the operator 151 | * @param value the value 152 | * @return the number predicate 153 | */ 154 | private BooleanExpression getNumberPredicate(NumberPath path, String operator, Double value) { 155 | switch (operator) { 156 | case ":": 157 | return path.eq(value); 158 | case ">": 159 | return path.gt(value); 160 | case "<": 161 | return path.lt(value); 162 | case ">=": 163 | return path.goe(value); 164 | case "<=": 165 | return path.loe(value); 166 | case "!=": 167 | return path.notIn(value); 168 | default: 169 | return null; 170 | } 171 | } 172 | 173 | /** 174 | * Gets the number predicate. 175 | * 176 | * @param path the path 177 | * @param operator the operator 178 | * @param value the value 179 | * @return the number predicate 180 | */ 181 | private BooleanExpression getNumberPredicate(NumberPath path, String operator, Long value) { 182 | switch (operator) { 183 | case ":": 184 | return path.eq(value); 185 | case ">": 186 | return path.gt(value); 187 | case "<": 188 | return path.lt(value); 189 | case ">=": 190 | return path.goe(value); 191 | case "<=": 192 | return path.loe(value); 193 | default: 194 | return null; 195 | } 196 | } 197 | 198 | /** 199 | * Gets the number predicate. 200 | * 201 | * @param path the path 202 | * @param operator the operator 203 | * @param numValue the num value 204 | * @return the number predicate 205 | */ 206 | private BooleanExpression getNumberPredicate(NumberPath path, String operator, Object[] numValue) { 207 | Number[] valueArray = (Number[]) numValue; 208 | switch (operator) { 209 | case ":": 210 | return path.in(valueArray); 211 | case "()": 212 | return path.between(valueArray[0].doubleValue(), valueArray[1].doubleValue()); 213 | case "!=": 214 | return path.notIn(valueArray); 215 | default: 216 | return null; 217 | } 218 | } 219 | 220 | /** 221 | * Gets the date predicate. 222 | * 223 | * @param key the key 224 | * @param operator the operator 225 | * @param value the value 226 | * @param entityPath the entity path 227 | * @return the date predicate 228 | */ 229 | private BooleanExpression getDatePredicate(String key, String operator, String value, PathBuilder entityPath) { 230 | DatePath path = entityPath.getDate(key, LocalDate.class); 231 | if (value.contains(",")) { 232 | List dateValues = Stream.of(value.split(",")).map(LocalDate::parse).collect(Collectors.toList()); 233 | switch (operator) { 234 | case ":": 235 | return path.in(dateValues); 236 | case "()": 237 | return path.between(dateValues.get(0), dateValues.get(1)); 238 | default: 239 | return null; 240 | } 241 | } else { 242 | LocalDate dateValue = LocalDate.parse(value); 243 | switch (operator) { 244 | case ":": 245 | return path.eq(dateValue); 246 | case ">": 247 | return path.gt(dateValue); 248 | case "<": 249 | return path.lt(dateValue); 250 | case ">=": 251 | return path.goe(dateValue); 252 | case "<=": 253 | return path.loe(dateValue); 254 | default: 255 | return null; 256 | } 257 | } 258 | } 259 | 260 | /** 261 | * Gets the date time predicate. 262 | * 263 | * @param key the key 264 | * @param operator the operator 265 | * @param value the value 266 | * @param entityPath the entity path 267 | * @return the date time predicate 268 | */ 269 | private BooleanExpression getDateTimePredicate(String key, String operator, String value, 270 | PathBuilder entityPath) { 271 | DatePath path = entityPath.getDate(key, LocalDateTime.class); 272 | if (value.contains(",")) { 273 | List dateValues = Stream.of(value.split(",")).map(LocalDate::parse).collect(Collectors.toList()); 274 | switch (operator) { 275 | case ":": 276 | return path.in(dateValues.parallelStream().map(LocalDate::atStartOfDay).collect(Collectors.toList())); 277 | case "()": 278 | return path.between(dateValues.get(0).atStartOfDay(), dateValues.get(1).atTime(LocalTime.MAX)); 279 | default: 280 | return null; 281 | } 282 | } else { 283 | LocalDate dateValue = LocalDate.parse(value); 284 | switch (operator) { 285 | case ":": 286 | return path.between(dateValue.atStartOfDay(), dateValue.atTime(LocalTime.MAX)); 287 | case ">": 288 | return path.gt(dateValue.atTime(LocalTime.MAX)); 289 | case "<": 290 | return path.lt(dateValue.atStartOfDay()); 291 | case ">=": 292 | return path.goe(dateValue.atStartOfDay()); 293 | case "<=": 294 | return path.loe(dateValue.atTime(LocalTime.MAX)); 295 | default: 296 | return null; 297 | } 298 | } 299 | } 300 | 301 | /** 302 | * Gets the string predicate. 303 | * 304 | * @param key the key 305 | * @param operator the operator 306 | * @param value the value 307 | * @param entityPath the entity path 308 | * @return the string predicate 309 | */ 310 | private BooleanExpression getStringPredicate(String key, String operator, String value, PathBuilder entityPath) { 311 | StringPath path = entityPath.getString(key); 312 | if (value.contains(",")) { 313 | return path.in(Stream.of(value.split(",")).collect(Collectors.toList())); 314 | } 315 | switch (operator) { 316 | case ":": 317 | return path.equalsIgnoreCase(value); 318 | case "%": 319 | return path.startsWithIgnoreCase(value); 320 | case "-": 321 | return path.containsIgnoreCase(value); 322 | default: 323 | return null; 324 | } 325 | } 326 | 327 | /** 328 | * Gets the property type. 329 | * 330 | * @param parent the parent 331 | * @param property the property 332 | * @return the property type 333 | */ 334 | private Class getPropertyType(Class parent, String property) { 335 | List propertyList = new LinkedList<>(Arrays.asList(property.split("\\."))); 336 | return getRecursiveType(parent, propertyList); 337 | } 338 | 339 | /** 340 | * Gets the recursive type. 341 | * 342 | * @param parent the parent 343 | * @param propertyList the property list 344 | * @return the recursive type 345 | */ 346 | @SneakyThrows(NoSuchFieldException.class) 347 | private Class getRecursiveType(Class parent, List propertyList) { 348 | if (propertyList.size() > 1) { 349 | Field field = parent.getDeclaredField(propertyList.get(0)); 350 | Class child = field.getType(); 351 | propertyList.remove(propertyList.get(0)); 352 | if ("List".equals(child.getSimpleName())) { 353 | return child; 354 | // ParameterizedType type = (ParameterizedType) field.getGenericType(); 355 | // return getRecursiveType((Class) type.getActualTypeArguments()[0], propertyList); 356 | } 357 | return getRecursiveType(child, propertyList); 358 | } else { 359 | return parent.getDeclaredField(propertyList.get(0)).getType(); 360 | } 361 | } 362 | 363 | } -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/predicate/CommonPredicateBuilder.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.predicate; 2 | 3 | import java.util.ArrayList; 4 | import java.util.HashMap; 5 | import java.util.List; 6 | import java.util.Map; 7 | import java.util.Objects; 8 | import java.util.stream.Collectors; 9 | 10 | import org.springframework.util.CollectionUtils; 11 | 12 | import com.abhicodes.querydsldynamicquery.utils.SearchCriteria; 13 | import com.querydsl.core.types.dsl.BooleanExpression; 14 | import com.querydsl.core.types.dsl.Expressions; 15 | 16 | /** 17 | * The Class CommonPredicateBuilder. 18 | * 19 | * @param the generic type 20 | */ 21 | public class CommonPredicateBuilder { 22 | 23 | private final Class t; 24 | 25 | private final String entityVariable; 26 | 27 | private List criterias; 28 | 29 | private Map replaceKeyMap; 30 | 31 | /** 32 | * Instantiates a new common predicate builder. 33 | * 34 | * @param t the t 35 | */ 36 | public CommonPredicateBuilder(Class t) { 37 | this.t = t; 38 | this.entityVariable = getEntityVariable(t.getSimpleName()); 39 | this.criterias = new ArrayList<>(); 40 | this.replaceKeyMap = new HashMap<>(); 41 | } 42 | 43 | /** 44 | * Replace key map. 45 | * 46 | * @param replaceKeyMap the replace key map 47 | * @return the common predicate builder 48 | */ 49 | public CommonPredicateBuilder replaceKeyMap(Map replaceKeyMap) { 50 | this.replaceKeyMap = replaceKeyMap; 51 | return this; 52 | } 53 | 54 | /** 55 | * And. 56 | * 57 | * @param criteria the criteria 58 | * @return the common predicate builder 59 | */ 60 | public CommonPredicateBuilder and(SearchCriteria criteria) { 61 | if (null != criteria) { 62 | this.criterias.add(criteria); 63 | } 64 | return this; 65 | } 66 | 67 | /** 68 | * And. 69 | * 70 | * @param criterias the criterias 71 | * @return the common predicate builder 72 | */ 73 | public CommonPredicateBuilder and(List criterias) { 74 | if (!CollectionUtils.isEmpty(criterias)) { 75 | this.criterias.addAll(criterias); 76 | } 77 | return this; 78 | } 79 | 80 | /** 81 | * Builds the. 82 | * 83 | * @return the boolean expression 84 | */ 85 | @SuppressWarnings({ "rawtypes", "unchecked" }) 86 | public BooleanExpression build() { 87 | BooleanExpression booleanExpression = Expressions.asBoolean(true).isTrue(); 88 | if (!CollectionUtils.isEmpty(criterias)) { 89 | List predicates = criterias.stream() 90 | .map(c -> new CommonPredicate(t, entityVariable).getPredicate( 91 | replaceKeyMap.getOrDefault(c.getKey(), c.getKey()), c.getOperator(), c.getValue())) 92 | .filter(Objects::nonNull).collect(Collectors.toList()); 93 | for (BooleanExpression predicate : predicates) { 94 | booleanExpression = booleanExpression.and(predicate); 95 | } 96 | } 97 | return booleanExpression; 98 | } 99 | 100 | /** 101 | * Gets the entity variable. 102 | * 103 | * @param simpleClassName the simple class name 104 | * @return the entity variable 105 | */ 106 | private static String getEntityVariable(String simpleClassName) { 107 | char[] c = simpleClassName.toCharArray(); 108 | c[0] = Character.toLowerCase(c[0]); 109 | return new String(c); 110 | } 111 | } -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/repository/PostRepository.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.repository; 2 | 3 | import org.springframework.data.jpa.repository.JpaRepository; 4 | import org.springframework.data.querydsl.QuerydslPredicateExecutor; 5 | import org.springframework.stereotype.Repository; 6 | 7 | import com.abhicodes.querydsldynamicquery.entity.Post; 8 | 9 | @Repository 10 | public interface PostRepository extends JpaRepository, QuerydslPredicateExecutor { 11 | 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/service/BaseService.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.service; 2 | 3 | import java.text.MessageFormat; 4 | import java.util.ArrayList; 5 | import java.util.Arrays; 6 | import java.util.Collection; 7 | import java.util.List; 8 | import java.util.regex.Matcher; 9 | import java.util.regex.Pattern; 10 | import java.util.stream.Collectors; 11 | 12 | import org.springframework.stereotype.Service; 13 | 14 | import com.abhicodes.querydsldynamicquery.entity.Post; 15 | import com.abhicodes.querydsldynamicquery.predicate.CommonPredicateBuilder; 16 | import com.abhicodes.querydsldynamicquery.utils.SearchCriteria; 17 | import com.querydsl.core.types.dsl.BooleanExpression; 18 | 19 | /** 20 | * The Class BaseService. 21 | */ 22 | @Service 23 | public class BaseService { 24 | 25 | /** 26 | * Format search criteria. 27 | * 28 | * @param filter the filter 29 | * @return the list 30 | */ 31 | public List formatSearchCriteria(String[] filter) { 32 | List criterias = new ArrayList<>(); 33 | if (null != filter) { 34 | Collection collect = Arrays.asList(filter).parallelStream().map(this::validateFilterPattern) 35 | .collect(Collectors.toList()); 36 | criterias.addAll(collect); 37 | } 38 | return criterias; 39 | } 40 | 41 | /** 42 | * Gets the and boolean expression. 43 | * 44 | * @param criterias the criterias 45 | * @param t the t 46 | * @return the and boolean expression 47 | */ 48 | public BooleanExpression getAndBooleanExpression(List criterias, Class t) { 49 | return new CommonPredicateBuilder<>(t).and(criterias).build(); 50 | } 51 | 52 | /** 53 | * Validate filter pattern. 54 | * 55 | * @param filter the filter 56 | * @return the search criteria 57 | */ 58 | private SearchCriteria validateFilterPattern(String filter) { 59 | final Pattern pattern = Pattern.compile("([\\w.]+?)(:|<|>|<=|>=|%|-|\\(\\))([\\w\\s\\(\\),.:-]+?)\\|"); 60 | Matcher m = pattern.matcher(filter + "|"); 61 | if (m.find()) { 62 | return SearchCriteria.builder().key(m.group(1)).operator(m.group(2)).value(m.group(3)).build(); 63 | } else { 64 | throw new RuntimeException("Invalid Filter format"); 65 | } 66 | } 67 | 68 | @SuppressWarnings("unused") 69 | protected String generateMessage(String pattern, Object... param) { 70 | return MessageFormat.format(pattern, param); 71 | } 72 | 73 | } 74 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/serviceimpl/PostService.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.serviceimpl; 2 | 3 | import java.util.List; 4 | 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.data.domain.Page; 7 | import org.springframework.data.domain.PageRequest; 8 | import org.springframework.data.domain.Pageable; 9 | import org.springframework.stereotype.Service; 10 | 11 | import com.abhicodes.querydsldynamicquery.domain.PostDTO; 12 | import com.abhicodes.querydsldynamicquery.repository.PostRepository; 13 | import com.abhicodes.querydsldynamicquery.service.BaseService; 14 | import com.abhicodes.querydsldynamicquery.utils.PostUtils; 15 | import com.abhicodes.querydsldynamicquery.utils.SearchCriteria; 16 | import com.querydsl.core.types.dsl.BooleanExpression; 17 | 18 | @Service 19 | public class PostService extends BaseService { 20 | 21 | @Autowired 22 | PostUtils pu; 23 | 24 | @Autowired 25 | PostRepository pr; 26 | 27 | public Page getPostListing(String[] filter, Pageable pageable) { 28 | List criteria = formatSearchCriteria(filter); 29 | BooleanExpression exp = pu.getPCQFilterExp(criteria); 30 | PageRequest pageRequest = pu.getCustomizablePage(pageable); 31 | return pr.findAll(exp, pageRequest).map(pcq -> pu.mapToDTO(pcq)); 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/utils/PostUtils.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.utils; 2 | 3 | import java.util.HashMap; 4 | import java.util.List; 5 | import java.util.Map; 6 | 7 | import org.modelmapper.ModelMapper; 8 | import org.springframework.beans.factory.annotation.Autowired; 9 | import org.springframework.data.domain.PageRequest; 10 | import org.springframework.data.domain.Pageable; 11 | import org.springframework.stereotype.Component; 12 | 13 | import com.abhicodes.querydsldynamicquery.component.CommonComponent; 14 | import com.abhicodes.querydsldynamicquery.domain.PostDTO; 15 | import com.abhicodes.querydsldynamicquery.domain.UsersDTO; 16 | import com.abhicodes.querydsldynamicquery.entity.Post; 17 | import com.abhicodes.querydsldynamicquery.entity.QPost; 18 | import com.abhicodes.querydsldynamicquery.predicate.CommonPredicateBuilder; 19 | import com.querydsl.core.types.dsl.BooleanExpression; 20 | 21 | @Component 22 | public class PostUtils { 23 | 24 | @Autowired 25 | ModelMapper modelMapper; 26 | 27 | @Autowired 28 | CommonComponent commonComponent; 29 | 30 | public BooleanExpression getPCQFilterExp(List criterias) { 31 | 32 | BooleanExpression exp = new CommonPredicateBuilder<>(Post.class).build(); 33 | QPost qpostPath = QPost.post; 34 | for (SearchCriteria criteria : criterias) { 35 | 36 | switch (criteria.getKey()) { 37 | case "author_term": 38 | 39 | BooleanExpression authorUserNameExp = qpostPath.author.userName.containsIgnoreCase(criteria.getValue()); 40 | BooleanExpression authorEmailExp = qpostPath.author.email.containsIgnoreCase(criteria.getValue()); 41 | BooleanExpression authorFullNameExp = qpostPath.author.fullName.containsIgnoreCase(criteria.getValue()); 42 | exp = exp.and(authorUserNameExp.or(authorEmailExp).or(authorFullNameExp)); 43 | break; 44 | default: 45 | exp = exp.and(new CommonPredicateBuilder<>(Post.class).and(criteria) 46 | .replaceKeyMap(getPostFilterReplaceMap()).build()); 47 | } 48 | } 49 | return exp; 50 | } 51 | 52 | public PageRequest getCustomizablePage(Pageable pageable) { 53 | return commonComponent.customizePagable(pageable, getPostFilterReplaceMap()); 54 | } 55 | 56 | private Map getPostFilterReplaceMap() { 57 | Map replaceKeyMap = new HashMap<>(); 58 | replaceKeyMap.put("postType", "postType.id"); 59 | replaceKeyMap.put("authorName", "author.fullName"); 60 | return replaceKeyMap; 61 | } 62 | 63 | public PostDTO mapToDTO(Post post) { 64 | UsersDTO author = modelMapper.map(post.getAuthor(), UsersDTO.class); 65 | return PostDTO.builder().author(author).createdAt(post.getCreatedAt()).id(post.getId()).title(post.getTitle()) 66 | .postType(post.getPostType().getType()).build(); 67 | 68 | } 69 | } 70 | -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/utils/SearchCriteria.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.utils; 2 | 3 | import lombok.Builder; 4 | import lombok.Getter; 5 | import lombok.ToString; 6 | 7 | @Getter 8 | @ToString 9 | @Builder 10 | public class SearchCriteria { 11 | private String key; 12 | private String operator; 13 | private String value; 14 | } -------------------------------------------------------------------------------- /src/main/java/com/abhicodes/querydsldynamicquery/vo/PageableResponse.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery.vo; 2 | 3 | import com.fasterxml.jackson.annotation.JsonInclude; 4 | import com.fasterxml.jackson.annotation.JsonInclude.Include; 5 | 6 | import lombok.Builder; 7 | import lombok.Getter; 8 | 9 | /** 10 | * The Class PageableResponse. 11 | */ 12 | @Getter 13 | @Builder 14 | @JsonInclude(Include.NON_NULL) 15 | public class PageableResponse { 16 | 17 | private int currentPage; 18 | private int pageSize; 19 | private int totalPages; 20 | private long totalElements; 21 | private Object results; 22 | private Double average; 23 | } 24 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | ##MySQL properties 2 | 3 | 4 | #Hikari CP 5 | spring.datasource.hikari.maximum-pool-size=20 6 | spring.datasource.hikari.idle-timeout=300000 7 | spring.datasource.hikari.minimum-idle=5 8 | spring.jpa.generate-ddl=false 9 | logging.level.net.ttddyy.dsproxy.listener=debug 10 | spring.jpa.hibernate.ddl-auto=update 11 | spring.jpa.database-platform=org.hibernate.dialect.MySQL8Dialect 12 | 13 | server.compression.enabled=true 14 | server.compression.mime-types=text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json 15 | server.compression.min-response-size=1024 16 | spring.jpa.properties.hibernate.event.merge.entity_copy_observer=allow 17 | spring.jpa.properties.hibernate.batch_versioned_data=true 18 | spring.jpa.properties.hibernate.enable_lazy_load_no_trans=true 19 | spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults = false 20 | #Pagination 21 | spring.data.web.pageable.default-page-size=20 22 | spring.data.web.pageable.max-page-size=100 23 | spring.data.web.pageable.one-indexed-parameters=true 24 | spring.data.web.pageable.page-parameter=page 25 | spring.data.web.pageable.size-parameter=size 26 | spring.data.web.pageable.sort-parameter=sort 27 | -------------------------------------------------------------------------------- /src/test/java/com/abhicodes/querydsldynamicquery/QuerydslDynamicQueryApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.abhicodes.querydsldynamicquery; 2 | 3 | import org.junit.jupiter.api.Test; 4 | import org.springframework.boot.test.context.SpringBootTest; 5 | 6 | @SpringBootTest 7 | class QuerydslDynamicQueryApplicationTests { 8 | 9 | @Test 10 | void contextLoads() { 11 | } 12 | 13 | } 14 | --------------------------------------------------------------------------------