diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..906ba3855e2334983b2d4750bdc68ff99b03ba69
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,313 @@
+
+# Created by https://www.gitignore.io/api/java,maven,macos,linux,eclipse,windows,netbeans,intellij
+# Edit at https://www.gitignore.io/?templates=java,maven,macos,linux,eclipse,windows,netbeans,intellij
+
+
+# User specific
+.sonarlint/
+Servers/
+*.log
+*.gz
+
+### Eclipse ###
+
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+### Eclipse Patch ###
+# Eclipse Core
+.project
+
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# Annotation Processing
+.apt_generated
+
+.sts4-cache/
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn. Uncomment if using
+# auto-import.
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+.idea/sonarlint
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+### NetBeans ###
+**/nbproject/private/
+**/nbproject/Makefile-*.mk
+**/nbproject/Package-*.bash
+build/
+nbbuild/
+dist/
+nbdist/
+.nb-gradle/
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/java,maven,macos,linux,eclipse,windows,netbeans,intellij
+/.gradle/
+
+
+### Gradle ###
+.gradle
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Avoid ignore Gradle wrappper properties
+!gradle-wrapper.properties
+
+# Cache of project
+.gradletasknamecache
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Gradle Patch ###
+# Java heap dump
+*.hprof
+
+# End of https://www.toptal.com/developers/gitignore/api/gradle
+/CityDoctorWebService/CityDoctorWebService.iml
+/Extensions/CityDoctorWebService/CityDoctorWebService.iml
+/.idea/codeStyles/codeStyleConfig.xml
+/GUISettings.properties
+/.idea/inspectionProfiles/Project_Default.xml
diff --git a/IfcConvert.exe b/IfcConvert.exe
new file mode 100644
index 0000000000000000000000000000000000000000..9c8ac2723660e954cbff7e5e6573c4652d4194d7
Binary files /dev/null and b/IfcConvert.exe differ
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e89f142d7300fc1dd13eba73bfa411a15de6f2e4
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,74 @@
+
+ 4.0.0
+ de.hft.stuttgart
+ ifc-converter-server
+ 1.0.0
+
+ UTF-8
+
+
+
+
+ org.springframework.boot
+ spring-boot-starter-web
+
+
+ org.springframework.boot
+ spring-boot-starter
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.8.1
+
+ 17
+ 17
+
+
+
+ org.codehaus.mojo
+ exec-maven-plugin
+ 3.0.0
+
+ de.hft.stuttgart.lgl.ifc.ConverterApplication
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+ 2.6.3
+
+ true
+
+
+
+
+ repackage
+
+
+ convert
+ spring-boot
+ de.hft.stuttgart.lgl.ifc.ConverterApplication
+
+
+
+
+
+
+
+
+
+
+ org.springframework.boot
+ spring-boot-dependencies
+ 2.6.3
+ import
+ pom
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/de/hft/stuttgart/lgl/ifc/ConverterApplication.java b/src/main/java/de/hft/stuttgart/lgl/ifc/ConverterApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..affae7e3a95cfcbc9b7be9e7fd7a2a70ca918640
--- /dev/null
+++ b/src/main/java/de/hft/stuttgart/lgl/ifc/ConverterApplication.java
@@ -0,0 +1,13 @@
+package de.hft.stuttgart.lgl.ifc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ConverterApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(ConverterApplication.class, args);
+ }
+
+}
diff --git a/src/main/java/de/hft/stuttgart/lgl/ifc/controller/ConverterEndpoints.java b/src/main/java/de/hft/stuttgart/lgl/ifc/controller/ConverterEndpoints.java
new file mode 100644
index 0000000000000000000000000000000000000000..fcf4dfd12adb36ff216d1a126aaa9270a76ae29a
--- /dev/null
+++ b/src/main/java/de/hft/stuttgart/lgl/ifc/controller/ConverterEndpoints.java
@@ -0,0 +1,106 @@
+package de.hft.stuttgart.lgl.ifc.controller;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody;
+
+@CrossOrigin
+@RestController
+public class ConverterEndpoints {
+
+ @Value("${converter.executable}")
+ private String converterExecutable;
+
+ @Autowired
+ public ConverterEndpoints() {
+ // constructor for injection
+ }
+
+ private static final Logger logger = LoggerFactory.getLogger(ConverterEndpoints.class);
+
+ @PostMapping(path = "/convert",produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
+ public ResponseEntity checkAddress(@RequestParam("file") MultipartFile file,
+ HttpServletRequest request) {
+ logger.info("Convert request: {}", file.getOriginalFilename());
+
+ UUID id = UUID.randomUUID();
+ Path workFolder = Paths.get("work");
+ Path ifcFile = workFolder.resolve(id.toString() + ".ifc");
+ Path output = workFolder.resolve(id.toString() + ".glb");
+ try {
+ Files.createDirectories(workFolder);
+ Files.copy(file.getInputStream(), ifcFile);
+ List commands = new ArrayList<>();
+ commands.add(converterExecutable);
+ commands.add(ifcFile.toAbsolutePath().toString());
+ commands.add(output.toAbsolutePath().toString());
+ ProcessBuilder processBuilder = new ProcessBuilder(commands);
+ Process process = processBuilder.start();
+ Thread t = new Thread(() -> {
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+ String line = reader.readLine();
+ while (line != null) {
+ line = reader.readLine();
+ }
+ } catch (IOException e) {
+ }
+ });
+ t.setDaemon(true);
+ t.start();
+ process.waitFor(10, TimeUnit.MINUTES);
+ int exitValue = process.exitValue();
+ logger.info("Converter exit code for file {} is {}", file.getOriginalFilename(), exitValue);
+ Files.delete(ifcFile);
+ String originalFileName = file.getOriginalFilename();
+ if (originalFileName == null) {
+ originalFileName = "converted.ifc";
+ }
+ String outputFileName = originalFileName.substring(0, originalFileName.lastIndexOf('.')) + ".glb";
+ return ResponseEntity.ok().contentType(MediaType.parseMediaType("application/octet-stream"))
+ .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + outputFileName + "\"")
+ .body(new StreamingResponseBody() {
+ @Override
+ public void writeTo(OutputStream outputStream) throws IOException {
+ try {
+ Files.copy(output, outputStream);
+ } finally {
+ Files.delete(output);
+ }
+ }
+ });
+ } catch (IOException | InterruptedException e) {
+ logger.error("Failed to convert file: {}", file.getOriginalFilename(), e);
+ try {
+ Files.delete(output);
+ Files.delete(ifcFile);
+ } catch (IOException ex) {
+ }
+ return ResponseEntity.internalServerError().build();
+ }
+ }
+
+}
diff --git a/src/main/resources/application-dev.properties b/src/main/resources/application-dev.properties
new file mode 100644
index 0000000000000000000000000000000000000000..d27ed46722aa89f372c14146fd88b61ce092c795
--- /dev/null
+++ b/src/main/resources/application-dev.properties
@@ -0,0 +1,16 @@
+converter.executable=ifcConvert.exe
+
+server.port=50000
+logging.file.name=backend-converter.log
+logging.level.root=info
+logging.logback.rollingpolicy.file-name-pattern=backend-converter-%d{yyyy-MM-dd}.%i.gz
+logging.logback.rollingpolicy.max-file-size=10MB
+
+# Enable multipart uploads
+spring.servlet.multipart.enabled=true
+# Threshold after which files are written to disk.
+spring.servlet.multipart.file-size-threshold=5MB
+# Max file size.
+spring.servlet.multipart.max-file-size=2000MB
+# Max Request Size
+spring.servlet.multipart.max-request-size=2000MB
diff --git a/src/main/resources/application-prod.properties b/src/main/resources/application-prod.properties
new file mode 100644
index 0000000000000000000000000000000000000000..432cb74409ca7f0e27ffc5670f6bbaa3e117cd5b
--- /dev/null
+++ b/src/main/resources/application-prod.properties
@@ -0,0 +1,16 @@
+converter.executable=./IfcConvert
+
+server.port=50000
+logging.file.name=backend-converter.log
+logging.level.root=info
+logging.logback.rollingpolicy.file-name-pattern=backend-converter-%d{yyyy-MM-dd}.%i.gz
+logging.logback.rollingpolicy.max-file-size=10MB
+
+# Enable multipart uploads
+spring.servlet.multipart.enabled=true
+# Threshold after which files are written to disk.
+spring.servlet.multipart.file-size-threshold=50MB
+# Max file size.
+spring.servlet.multipart.max-file-size=2000MB
+# Max Request Size
+spring.servlet.multipart.max-request-size=2000MB
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
new file mode 100644
index 0000000000000000000000000000000000000000..257b30648523ed1765c075c8903efdea33a7a5c2
--- /dev/null
+++ b/src/main/resources/application.properties
@@ -0,0 +1 @@
+spring.profiles.active=dev
\ No newline at end of file