├── src ├── main │ ├── resources │ │ └── application.properties │ └── java │ │ └── com │ │ └── eaiman │ │ └── multipart │ │ ├── utils │ │ └── MultipartFileUploadUtils.java │ │ ├── MultipartFileUploadApplication.java │ │ ├── service │ │ ├── FileUploadService.java │ │ └── FileUploadServiceImpl.java │ │ └── controller │ │ └── FileUploadController.java └── test │ └── java │ └── com │ └── eaiman │ └── multipart │ └── MultipartFileUploadApplicationTests.java ├── settings.gradle ├── postman-collection ├── validFile.txt ├── invalidFile.txt └── MultipartFileUpload.postman_collection.json ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── README.md ├── gradlew.bat └── gradlew /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'multipart' 2 | -------------------------------------------------------------------------------- /postman-collection/validFile.txt: -------------------------------------------------------------------------------- 1 | 01724123456 2 | 01724234567 3 | 4 | 01710323334 5 | -------------------------------------------------------------------------------- /postman-collection/invalidFile.txt: -------------------------------------------------------------------------------- 1 | 01724123456 2 | 01724123456 3 | 01724234567 4 | sdfg 5 | 01724234567 -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/eaiman-shoshi/MultipartFileUpload/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /src/main/java/com/eaiman/multipart/utils/MultipartFileUploadUtils.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart.utils; 2 | 3 | public class MultipartFileUploadUtils { 4 | public static final String REGEX_RULES = "^01\\d{9}$|^1\\d{9}|^d{0}$"; 5 | } 6 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /src/test/java/com/eaiman/multipart/MultipartFileUploadApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart; 2 | 3 | import org.junit.jupiter.api.Test; 4 | import org.springframework.boot.test.context.SpringBootTest; 5 | 6 | @SpringBootTest 7 | class MultipartFileUploadApplicationTests { 8 | 9 | @Test 10 | void contextLoads() { 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/eaiman/multipart/MultipartFileUploadApplication.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class MultipartFileUploadApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(MultipartFileUploadApplication.class, args); 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | .gradle 3 | build/ 4 | !gradle/wrapper/gradle-wrapper.jar 5 | !**/src/main/** 6 | !**/src/test/** 7 | 8 | ### STS ### 9 | .apt_generated 10 | .classpath 11 | .factorypath 12 | .project 13 | .settings 14 | .springBeans 15 | .sts4-cache 16 | 17 | ### IntelliJ IDEA ### 18 | .idea 19 | *.iws 20 | *.iml 21 | *.ipr 22 | out/ 23 | 24 | ### NetBeans ### 25 | /nbproject/private/ 26 | /nbbuild/ 27 | /dist/ 28 | /nbdist/ 29 | /.nb-gradle/ 30 | 31 | ### VS Code ### 32 | .vscode/ 33 | -------------------------------------------------------------------------------- /src/main/java/com/eaiman/multipart/service/FileUploadService.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart.service; 2 | 3 | import org.springframework.http.codec.multipart.FilePart; 4 | import org.springframework.http.codec.multipart.Part; 5 | import org.springframework.util.MultiValueMap; 6 | import reactor.core.publisher.Flux; 7 | import reactor.core.publisher.Mono; 8 | 9 | public interface FileUploadService { 10 | // this is for multiple file upload 11 | Flux getLines(Flux filePartFlux); 12 | 13 | // this is for single file upload. 14 | Flux getLines(Mono filePartMono); 15 | 16 | // this is for single file upload. 17 | Flux getLines(FilePart filePart); 18 | 19 | // this is for both single and multiple file upload under `files` param key 20 | Flux getLinesFromMap(Mono> filePartMap); 21 | } 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # MultipartFileUpload 2 | Blog link: Step by Step Procedure of Spring Webflux multipart file upload and read each line without saving it 3 | 4 | This project is for tutorial purpose.
5 | 6 |

Description & Feature

7 |
    8 |
  • Shown 4 ways to upload file(s)
    • 9 |
  • Single file upload. Shown implementaion using Mono < FilePart > and FilePart
    • 10 |
  • Multiple file upload. Shown implementaion using Flux< FilePart > and Mono< MultiValueMap< String, Part >>
    • 11 |
  • Postman collection is included in this project
    • 12 |
  • Two test files are included in this project
    • 13 |
14 |
15 | 16 |

Steps

17 |
    18 |
  • Upload multiple file
    19 | 20 |
      21 |
    1. Run the project
      2. 22 |
    2. Open Postman to access the api of this project
      3. 23 |
    3. Set url at
      http://localhost:8080/multipart-file/upload-flux or
      http://localhost:8080/multipart-file/upload-map and use POST method
      4. 24 |
    4. From body tab select form-data
      5. 25 |
    5. Select type File for a key and name the key as files
      6. 26 |
    6. In value section choose a file from your PC by browsing to upload
      7. 27 |
    7. Add files as many as you like to upload by following above two procedure
      8. 28 |
    29 | 30 | 31 | For better understanding see the collection or this image: 32 | File-Upload-Flux 33 |
    • 34 | 35 | 36 |
  • Upload single file
    37 | 38 |
      39 |
    1. Run the project
      2. 40 |
    2. Open Postman to access the api of this project
      3. 41 |
    3. Set url at
      http://localhost:8080/multipart-file/upload-mono or
      http://localhost:8080/multipart-file/upload-filePart or
      http://localhost:8080/multipart-file/upload-map and use POST method
      4. 42 |
    4. From body tab select form-data
      5. 43 |
    5. Select type File for a key and name the key as files if you used upload-multiValueMap url, otherwise file
      6. 44 |
    6. In value section choose a file from your PC by browsing to upload
      7. 45 |
    46 | 47 | For better understanding see the collection or this image: 48 | File-Upload-Mono or FilePart 49 |
    • 50 |
51 | 52 |
53 | Author's Profiles: 54 | 58 | -------------------------------------------------------------------------------- /src/main/java/com/eaiman/multipart/service/FileUploadServiceImpl.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart.service; 2 | 3 | import com.eaiman.multipart.utils.MultipartFileUploadUtils; 4 | import lombok.extern.slf4j.Slf4j; 5 | import org.springframework.core.io.buffer.DataBufferUtils; 6 | import org.springframework.http.codec.multipart.FilePart; 7 | import org.springframework.http.codec.multipart.Part; 8 | import org.springframework.stereotype.Service; 9 | import org.springframework.util.MultiValueMap; 10 | import reactor.core.publisher.Flux; 11 | import reactor.core.publisher.Mono; 12 | 13 | import java.nio.charset.StandardCharsets; 14 | import java.util.ArrayList; 15 | import java.util.List; 16 | import java.util.function.Function; 17 | import java.util.function.Supplier; 18 | import java.util.stream.Collectors; 19 | import java.util.stream.Stream; 20 | 21 | @Slf4j 22 | @Service 23 | public class FileUploadServiceImpl implements FileUploadService { 24 | 25 | // this is for multiple file upload 26 | @Override 27 | public Flux getLines(Flux filePartFlux) { 28 | 29 | return filePartFlux.flatMap(this::getLines); 30 | } 31 | 32 | // this is for single file upload 33 | @Override 34 | public Flux getLines(Mono filePartMono) { 35 | 36 | return filePartMono.flatMapMany(this::getLines); 37 | } 38 | 39 | // this is for single file upload 40 | @Override 41 | public Flux getLines(FilePart filePart) { 42 | return filePart.content() 43 | .map(dataBuffer -> { 44 | byte[] bytes = new byte[dataBuffer.readableByteCount()]; 45 | dataBuffer.read(bytes); 46 | DataBufferUtils.release(dataBuffer); 47 | 48 | return new String(bytes, StandardCharsets.UTF_8); 49 | }) 50 | .map(this::processAndGetLinesAsList) 51 | .flatMapIterable(Function.identity()); 52 | } 53 | 54 | // this is for both single and multiple file upload under `files` param key 55 | @Override 56 | public Flux getLinesFromMap(Mono> filePartMap) { 57 | return filePartMap.flatMapIterable(map -> 58 | map.keySet().stream() 59 | .filter(key -> key.equals("files")) 60 | .flatMap(key -> map.get(key).stream().filter(part -> part instanceof FilePart)) 61 | .collect(Collectors.toList())) 62 | .flatMap(part -> getLines((FilePart) part)); 63 | } 64 | 65 | private List processAndGetLinesAsList(String string) { 66 | 67 | Supplier> streamSupplier = string::lines; 68 | var isFileOk = streamSupplier.get().allMatch(line -> line.matches(MultipartFileUploadUtils.REGEX_RULES)); 69 | 70 | return isFileOk ? streamSupplier.get().filter(s -> !s.isBlank()).collect(Collectors.toList()) : new ArrayList<>(); 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto init 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto init 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :init 68 | @rem Get command-line arguments, handling Windows variants 69 | 70 | if not "%OS%" == "Windows_NT" goto win9xME_args 71 | 72 | :win9xME_args 73 | @rem Slurp the command line arguments. 74 | set CMD_LINE_ARGS= 75 | set _SKIP=2 76 | 77 | :win9xME_args_slurp 78 | if "x%~1" == "x" goto execute 79 | 80 | set CMD_LINE_ARGS=%* 81 | 82 | :execute 83 | @rem Setup the command line 84 | 85 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 86 | 87 | @rem Execute Gradle 88 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 89 | 90 | :end 91 | @rem End local scope for the variables with windows NT shell 92 | if "%ERRORLEVEL%"=="0" goto mainEnd 93 | 94 | :fail 95 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 96 | rem the _cmd.exe /c_ return code! 97 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 98 | exit /b 1 99 | 100 | :mainEnd 101 | if "%OS%"=="Windows_NT" endlocal 102 | 103 | :omega 104 | -------------------------------------------------------------------------------- /src/main/java/com/eaiman/multipart/controller/FileUploadController.java: -------------------------------------------------------------------------------- 1 | package com.eaiman.multipart.controller; 2 | 3 | import com.eaiman.multipart.service.FileUploadService; 4 | import lombok.RequiredArgsConstructor; 5 | import lombok.extern.slf4j.Slf4j; 6 | import org.springframework.http.HttpStatus; 7 | import org.springframework.http.MediaType; 8 | import org.springframework.http.codec.multipart.FilePart; 9 | import org.springframework.http.codec.multipart.Part; 10 | import org.springframework.util.MultiValueMap; 11 | import org.springframework.web.bind.annotation.*; 12 | import reactor.core.publisher.Flux; 13 | import reactor.core.publisher.Mono; 14 | 15 | import java.util.List; 16 | 17 | @Slf4j 18 | @RestController 19 | @RequestMapping("multipart-file") 20 | @RequiredArgsConstructor 21 | public class FileUploadController { 22 | 23 | private final FileUploadService fileUploadService; 24 | 25 | // use Flux for multiple file upload 26 | @PostMapping(value = "/upload-flux", consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_STREAM_JSON_VALUE) 27 | @ResponseStatus(value = HttpStatus.OK) 28 | public Mono> upload(@RequestPart("files") Flux filePartFlux) { 29 | 30 | /* 31 | To see the response beautifully we are returning strings as Mono List 32 | of String. We could have returned Flux from here. 33 | If you are curious enough then just return Flux from here and 34 | see the response on Postman 35 | */ 36 | return fileUploadService.getLines(filePartFlux).collectList(); 37 | } 38 | 39 | // use single Mono for single file upload 40 | @PostMapping(value = "/upload-mono", consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_STREAM_JSON_VALUE) 41 | @ResponseStatus(value = HttpStatus.OK) 42 | public Mono> upload(@RequestPart("file") Mono filePartMono) { 43 | 44 | /* 45 | To see the response beautifully we are returning strings as Mono List 46 | of String. We could have returned Flux from here. 47 | If you are curious enough then just return Flux from here and 48 | see the response on Postman 49 | */ 50 | return fileUploadService.getLines(filePartMono).collectList(); 51 | } 52 | 53 | // use single FilePart for single file upload 54 | @PostMapping(value = "/upload-filePart", consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_STREAM_JSON_VALUE) 55 | @ResponseStatus(value = HttpStatus.OK) 56 | public Mono> upload(@RequestPart("file") FilePart filePart) { 57 | 58 | /* 59 | To see the response beautifully we are returning strings as Mono List 60 | of String. We could have returned Flux from here. 61 | If you are curious enough then just return Flux from here and 62 | see the response on Postman 63 | */ 64 | return fileUploadService.getLines(filePart).collectList(); 65 | } 66 | 67 | // use Mono> for both single and multiple file upload under `files` param key 68 | @PostMapping(value = "/upload-multiValueMap", consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_STREAM_JSON_VALUE) 69 | @ResponseStatus(value = HttpStatus.OK) 70 | public Mono> uploadFileMap(@RequestBody Mono> filePartMap) { 71 | /* 72 | To see the response beautifully we are returning strings as Mono List 73 | of String. We could have returned Flux from here. 74 | If you are curious enough then just return Flux from here and 75 | see the response on Postman 76 | */ 77 | return fileUploadService.getLinesFromMap(filePartMap).collectList(); 78 | } 79 | } 80 | -------------------------------------------------------------------------------- /postman-collection/MultipartFileUpload.postman_collection.json: -------------------------------------------------------------------------------- 1 | { 2 | "info": { 3 | "_postman_id": "0453561a-80f5-4bab-beb9-b5d814e1f3ca", 4 | "name": "MultipartFileUpload", 5 | "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json" 6 | }, 7 | "item": [ 8 | { 9 | "name": "/upload-flux", 10 | "request": { 11 | "method": "POST", 12 | "header": [ 13 | { 14 | "key": "Content-Type", 15 | "value": "multipart/form-data", 16 | "type": "text", 17 | "disabled": true 18 | } 19 | ], 20 | "body": { 21 | "mode": "formdata", 22 | "formdata": [ 23 | { 24 | "key": "files", 25 | "type": "file", 26 | "src": "" 27 | }, 28 | { 29 | "key": "files", 30 | "type": "file", 31 | "src": "" 32 | } 33 | ] 34 | }, 35 | "url": { 36 | "raw": "http://localhost:8080/multipart-file/upload-flux", 37 | "protocol": "http", 38 | "host": [ 39 | "localhost" 40 | ], 41 | "port": "8080", 42 | "path": [ 43 | "multipart-file", 44 | "upload-flux" 45 | ] 46 | } 47 | }, 48 | "response": [] 49 | }, 50 | { 51 | "name": "/upload-mono", 52 | "request": { 53 | "method": "POST", 54 | "header": [ 55 | { 56 | "key": "Content-Type", 57 | "value": "multipart/form-data", 58 | "type": "text", 59 | "disabled": true 60 | } 61 | ], 62 | "body": { 63 | "mode": "formdata", 64 | "formdata": [ 65 | { 66 | "key": "file", 67 | "type": "file", 68 | "src": "" 69 | } 70 | ] 71 | }, 72 | "url": { 73 | "raw": "http://localhost:8080/multipart-file/upload-mono", 74 | "protocol": "http", 75 | "host": [ 76 | "localhost" 77 | ], 78 | "port": "8080", 79 | "path": [ 80 | "multipart-file", 81 | "upload-mono" 82 | ] 83 | } 84 | }, 85 | "response": [] 86 | }, 87 | { 88 | "name": "/upload-filePart", 89 | "request": { 90 | "method": "POST", 91 | "header": [ 92 | { 93 | "key": "Content-Type", 94 | "value": "multipart/form-data", 95 | "type": "text", 96 | "disabled": true 97 | } 98 | ], 99 | "body": { 100 | "mode": "formdata", 101 | "formdata": [ 102 | { 103 | "key": "file", 104 | "type": "file", 105 | "src": "" 106 | } 107 | ] 108 | }, 109 | "url": { 110 | "raw": "http://localhost:8080/multipart-file/upload-filePart", 111 | "protocol": "http", 112 | "host": [ 113 | "localhost" 114 | ], 115 | "port": "8080", 116 | "path": [ 117 | "multipart-file", 118 | "upload-filePart" 119 | ] 120 | } 121 | }, 122 | "response": [] 123 | }, 124 | { 125 | "name": "/upload-multiValueMap", 126 | "request": { 127 | "method": "POST", 128 | "header": [ 129 | { 130 | "key": "Content-Type", 131 | "value": "multipart/form-data", 132 | "type": "text", 133 | "disabled": true 134 | } 135 | ], 136 | "body": { 137 | "mode": "formdata", 138 | "formdata": [ 139 | { 140 | "key": "files", 141 | "type": "file", 142 | "src": "" 143 | }, 144 | { 145 | "key": "files", 146 | "type": "file", 147 | "src": "" 148 | } 149 | ] 150 | }, 151 | "url": { 152 | "raw": "http://localhost:8080/multipart-file/upload-multiValueMap", 153 | "protocol": "http", 154 | "host": [ 155 | "localhost" 156 | ], 157 | "port": "8080", 158 | "path": [ 159 | "multipart-file", 160 | "upload-multiValueMap" 161 | ] 162 | } 163 | }, 164 | "response": [] 165 | } 166 | ] 167 | } -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | # Determine the Java command to use to start the JVM. 86 | if [ -n "$JAVA_HOME" ] ; then 87 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 88 | # IBM's JDK on AIX uses strange locations for the executables 89 | JAVACMD="$JAVA_HOME/jre/sh/java" 90 | else 91 | JAVACMD="$JAVA_HOME/bin/java" 92 | fi 93 | if [ ! -x "$JAVACMD" ] ; then 94 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 95 | 96 | Please set the JAVA_HOME variable in your environment to match the 97 | location of your Java installation." 98 | fi 99 | else 100 | JAVACMD="java" 101 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 102 | 103 | Please set the JAVA_HOME variable in your environment to match the 104 | location of your Java installation." 105 | fi 106 | 107 | # Increase the maximum file descriptors if we can. 108 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 109 | MAX_FD_LIMIT=`ulimit -H -n` 110 | if [ $? -eq 0 ] ; then 111 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 112 | MAX_FD="$MAX_FD_LIMIT" 113 | fi 114 | ulimit -n $MAX_FD 115 | if [ $? -ne 0 ] ; then 116 | warn "Could not set maximum file descriptor limit: $MAX_FD" 117 | fi 118 | else 119 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 120 | fi 121 | fi 122 | 123 | # For Darwin, add options to specify how the application appears in the dock 124 | if $darwin; then 125 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 126 | fi 127 | 128 | # For Cygwin or MSYS, switch paths to Windows format before running java 129 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 130 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 131 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 132 | JAVACMD=`cygpath --unix "$JAVACMD"` 133 | 134 | # We build the pattern for arguments to be converted via cygpath 135 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 136 | SEP="" 137 | for dir in $ROOTDIRSRAW ; do 138 | ROOTDIRS="$ROOTDIRS$SEP$dir" 139 | SEP="|" 140 | done 141 | OURCYGPATTERN="(^($ROOTDIRS))" 142 | # Add a user-defined pattern to the cygpath arguments 143 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 144 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 145 | fi 146 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 147 | i=0 148 | for arg in "$@" ; do 149 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 150 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 151 | 152 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 153 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 154 | else 155 | eval `echo args$i`="\"$arg\"" 156 | fi 157 | i=`expr $i + 1` 158 | done 159 | case $i in 160 | 0) set -- ;; 161 | 1) set -- "$args0" ;; 162 | 2) set -- "$args0" "$args1" ;; 163 | 3) set -- "$args0" "$args1" "$args2" ;; 164 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 165 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 166 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 167 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 168 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 169 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 170 | esac 171 | fi 172 | 173 | # Escape application args 174 | save () { 175 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 176 | echo " " 177 | } 178 | APP_ARGS=`save "$@"` 179 | 180 | # Collect all arguments for the java command, following the shell quoting and substitution rules 181 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 182 | 183 | exec "$JAVACMD" "$@" 184 | --------------------------------------------------------------------------------