Adds Gradle build that delegates to existing Ant build

.gitattributes

@@ -0,0 +1,12 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+
+# Binary files should be left untouched
+*.jar           binary
+

.github/workflows/build.yaml

@@ -34,13 +34,11 @@ jobs:
 
       - name: Build OIE (signed)
         if: github.ref == 'refs/heads/main'
-        working-directory: server
-        run: ant -f mirth-build.xml
+        run: ./gradlew build
 
       - name: Build OIE (unsigned)
         if: github.ref != 'refs/heads/main'
-        working-directory: server
-        run: ant -f mirth-build.xml -DdisableSigning=true -Dcoverage=true
+        run: ./gradlew build -PdisableSigning=true -Pcoverage=true
 
       - name: Package distribution
         run: tar czf openintegrationengine.tar.gz -C server/ setup --transform 's|^setup|openintegrationengine/|'

.sdkmanrc

@@ -1,4 +1,4 @@
 # Enable auto-env through the sdkman_auto_env config
 # Add key=value pairs of SDKs to use below
 java=17.0.17.fx-zulu
-ant=1.10.14
+ant=1.10.14

build.gradle.kts

@@ -0,0 +1,85 @@
+/*
+ * Root build file
+ *
+ * For more detailed information on multi-project builds, please refer to
+ * https://docs.gradle.org/9.2.1/userguide/multi_project_builds.html
+ */
+
+allprojects {
+    group = "com.mirth.connect"
+    version = providers.gradleProperty("version").get()
+}
+
+subprojects {
+    repositories {
+        mavenCentral()
+    }
+}
+
+// Configure Ant to have access to JUnit task
+
+ant.lifecycleLogLevel = AntBuilder.AntMessagePriority.INFO
+
+configurations {
+    create("antJUnit")
+}
+
+dependencies {
+    // ant-junit4 is required for JUnit 4 annotation support (@Test, etc.)
+    "antJUnit"("org.apache.ant:ant-junit:1.10.15") {
+        exclude(group = "junit", module = "junit")
+    }
+    "antJUnit"("org.apache.ant:ant-junit4:1.10.15") {
+        exclude(group = "junit", module = "junit")
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+// Make JUnit available to Ant
+afterEvaluate {
+    ant.withGroovyBuilder {
+        "taskdef"(
+            "name" to "junit",
+            "classname" to "org.apache.tools.ant.taskdefs.optional.junit.JUnitTask",
+            "classpath" to configurations["antJUnit"].asPath
+        )
+        "taskdef"(
+            "name" to "junitreport",
+            "classname" to "org.apache.tools.ant.taskdefs.optional.junit.XMLResultAggregator",
+            "classpath" to configurations["antJUnit"].asPath
+        )
+    }
+}
+
+// Pass Gradle properties to Ant
+project.findProperty("disableSigning")?.let {
+    ant.properties["disableSigning"] = it.toString()
+}
+
+project.findProperty("disableTests")?.let {
+    ant.properties["disableTests"] = it.toString()
+}
+
+project.findProperty("coverage")?.let {
+    ant.properties["coverage"] = it.toString()
+}
+
+// Import existing Ant build for gradual migration
+ant.importBuild("server/mirth-build.xml") { antTargetName ->
+    // Rename conflicting Ant targets to avoid collision with Gradle built-in tasks
+    when (antTargetName) {
+        "init" -> "ant-init"
+        "build" -> "ant-build"
+        else -> antTargetName
+    }
+}
+
+// Make the default Gradle build task delegate to Ant's build target
+tasks.register("build") {
+    dependsOn("ant-build")
+    group = "build"
+    description = "Builds the project using Ant (delegated)"
+}

client/build.gradle.kts

@@ -0,0 +1 @@
+// ant.importBuild("ant-build.xml")

command/build.gradle.kts

@@ -0,0 +1 @@
+// ant.importBuild("build.xml")

donkey/build.gradle.kts

@@ -0,0 +1 @@
+// ant.importBuild("build.xml")

generator/build.gradle.kts

@@ -0,0 +1 @@
+// ant.importBuild("build.xml")

gradle.properties

@@ -0,0 +1,10 @@
+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/build_environment.html#sec:gradle_configuration_properties
+
+org.gradle.configuration-cache=true
+org.gradle.parallel=true
+org.gradle.caching=true
+
+version=4.5.2
+archiveEntryDate=1999-01-01T00:00:00.000Z
+

gradle/libs.versions.toml

@@ -0,0 +1,8 @@
+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
+
+[versions]
+guava = "33.4.5-jre"
+
+[libraries]
+guava = { module = "com.google.guava:guava", version.ref = "guava" }

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-all.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists