Improve Gradle settings for Eclipse

Author: nakamura-to

README.md

@@ -7,21 +7,20 @@ See [Getting started](https://doma.readthedocs.io/en/latest/getting-started/).
 
 [![Java CI with Gradle](https://github.com/domaframework/getting-started/workflows/Java%20CI%20with%20Gradle/badge.svg)](https://github.com/domaframework/getting-started/actions?query=workflow%3A%22Java+CI+with+Gradle%22)
 
-Notice
-------
+ Import into your IDE
+---------------------
 
-For Eclipse users, to import this project into Eclipse, adhere to the instructions outlined below.
+Import this project into your IDE as a Gradle Project.
+This project has been confirmed to work on the following IDEs.
 
-**1. Run the Gradle command:**
+- Eclipse 2023-09 (4.29.0)
+- IntelliJ IDEA 2023.3.4 (Community Edition)
 
-```sh
-$ ./gradlew cleanEclipse eclipse
-```
-
-**2. Navigate through the Eclipse menu and select:**
+Build
+-----
 
-```
-File > Import > General > Existing Projects into Workspace
-```
+You can build this project with Gradle.
 
-It is important not to choose `File > Import > Gradle > Existing Gradle Project`.
+```sh
+$ ./gradlew build
+```

build.gradle.kts

@@ -1,3 +1,5 @@
+import com.diffplug.gradle.eclipse.apt.Factorypath
+
 plugins {
     java
     id("com.diffplug.eclipse.apt") version "3.44.0"
@@ -30,18 +32,6 @@ subprojects {
         named("build") {
             dependsOn("spotlessApply")
         }
-
-        named("eclipse") {
-            doFirst {
-                val prefs = file(".settings/org.eclipse.buildship.core.prefs")
-                if(!prefs.exists()){
-                    prefs.appendText("""
-                            connection.project.dir=
-                            eclipse.preferences.version=1
-                        """.trimIndent())
-                }
-            }
-        }
     }
 
     dependencies {
@@ -60,23 +50,21 @@ subprojects {
             file {
                 whenMerged {
                     val classpath = this as org.gradle.plugins.ide.eclipse.model.Classpath
-                    classpath.entries.removeAll {
-                        when (it) {
-                            is org.gradle.plugins.ide.eclipse.model.Output -> it.path == ".apt_generated"
-                            else -> false
-                        }
+                    val folder = org.gradle.plugins.ide.eclipse.model.SourceFolder(".apt_generated", "bin/main")
+                    classpath.entries.add(folder)
+                    val dir = file(folder.path)
+                    if (!dir.exists()) {
+                        dir.mkdir()
                     }
                 }
-                withXml {
-                    val node = asNode()
-                    node.appendNode("classpathentry", mapOf("kind" to "src", "output" to "bin/main", "path" to ".apt_generated"))
-                }
             }
         }
         project {
             buildCommand("org.eclipse.buildship.core.gradleprojectbuilder")
             natures("org.eclipse.buildship.core.gradleprojectnature")
         }
+        // Reset all Eclipse settings when "Refresh Gradle Project" is executed
+        synchronizationTasks("cleanEclipse", "eclipse")
     }
 
     spotless {