Add Java (Temurin/OpenJDK) feature with optional Maven, Gradle, and Ant

README.md

@@ -30,6 +30,7 @@ Below is a list with included features, click on the link for more details.
 | [gonovate](./features/src/gonovate/README.md) | Installs Gonovate. |
 | [goreleaser](./features/src/goreleaser/README.md) | Installs GoReleaser. |
 | [instant-client](./features/src/instant-client/README.md) | Installs the Oracle Instant Client Basic package. |
+| [java](./features/src/java/README.md) | Installs Java (Temurin/OpenJDK), Maven, Gradle, and Ant. |
 | [jfrog-cli](./features/src/jfrog-cli/README.md) | Installs the JFrog CLI. |
 | [kubectl](./features/src/kubectl/README.md) | Installs kubectl and other tools for managing kubernetes. |
 | [locale](./features/src/locale/README.md) | Allows setting the locale. |

build/build.go

@@ -134,6 +134,10 @@ func init() {
 	gotaskr.Task("Feature:gonovate:Package", func() error { return packageFeature("gonovate") })
 	gotaskr.Task("Feature:gonovate:Test", func() error { return testFeature("gonovate") })
 
+	////////// java
+	gotaskr.Task("Feature:java:Package", func() error { return packageFeature("java") })
+	gotaskr.Task("Feature:java:Test", func() error { return testFeature("java") })
+
 	////////// goreleaser
 	gotaskr.Task("Feature:goreleaser:Package", func() error { return packageFeature("goreleaser") })
 	gotaskr.Task("Feature:goreleaser:Test", func() error { return testFeature("goreleaser") })

features/src/java/NOTES.md

@@ -0,0 +1,19 @@
+## Notes
+
+### System Compatibility
+
+Debian, Ubuntu
+
+### Accessed Urls
+
+Needs access to the following URLs for downloading and resolving Java (Temurin/OpenJDK):
+* https://api.adoptium.net
+
+Needs access to the following URL for downloading and resolving Maven:
+* https://downloads.apache.org/maven
+
+Needs access to the following URLs for downloading and resolving Gradle:
+* https://services.gradle.org
+
+Needs access to the following URL for downloading and resolving Ant:
+* https://downloads.apache.org/ant

features/src/java/README.md

@@ -0,0 +1,69 @@
+# Java (java)
+
+Installs Java (Temurin/OpenJDK), Maven, Gradle, and Ant.
+
+## Example Usage
+
+```json
+"features": {
+    "ghcr.io/postfinance/devcontainer-features/java:1.0.0": {
+        "version": "latest",
+        "mavenVersion": "none",
+        "gradleVersion": "none",
+        "antVersion": "none",
+        "downloadUrl": "",
+        "versionsUrl": "",
+        "latestUrl": "",
+        "mavenDownloadUrl": "",
+        "mavenVersionsUrl": "",
+        "gradleDownloadUrl": "",
+        "gradleVersionsUrl": "",
+        "antDownloadUrl": "",
+        "antVersionsUrl": ""
+    }
+}
+```
+
+## Options
+
+| Option | Description | Type | Default Value | Proposals |
+|-----|-----|-----|-----|-----|
+| version | The version of Java (Temurin/OpenJDK) to install. Use a major version (e.g. '21') to get the latest patch release. | string | latest | latest, 21, 17, 11, 21.0.5 |
+| mavenVersion | The version of Maven to install. Use 'none' to skip. | string | none | none, latest, 3.9, 3.9.9 |
+| gradleVersion | The version of Gradle to install. Use 'none' to skip. | string | none | none, latest, 8, 8.14 |
+| antVersion | The version of Ant to install. Use 'none' to skip. | string | none | none, latest, 1.10, 1.10.15 |
+| downloadUrl | The download URL to use for Java (Temurin) binaries. | string | <empty> | https://mycompany.com/artifactory/adoptium-remote/v3/binary |
+| versionsUrl | The URL to fetch the available Java (Temurin) versions from. | string | <empty> |  |
+| latestUrl | The URL to fetch the latest Java (Temurin) release information from. | string | <empty> |  |
+| mavenDownloadUrl | The download URL to use for Maven binaries. | string | <empty> | https://mycompany.com/artifactory/apache-maven-remote |
+| mavenVersionsUrl | The URL to fetch the available Maven versions from. | string | <empty> |  |
+| gradleDownloadUrl | The download URL to use for Gradle binaries. | string | <empty> | https://mycompany.com/artifactory/gradle-distributions-remote |
+| gradleVersionsUrl | The URL to fetch the available Gradle versions from. | string | <empty> |  |
+| antDownloadUrl | The download URL to use for Ant binaries. | string | <empty> | https://mycompany.com/artifactory/apache-ant-remote |
+| antVersionsUrl | The URL to fetch the available Ant versions from. | string | <empty> |  |
+
+## Customizations
+
+### VS Code Extensions
+
+- `vscjava.vscode-java-pack`
+
+## Notes
+
+### System Compatibility
+
+Debian, Ubuntu
+
+### Accessed Urls
+
+Needs access to the following URLs for downloading and resolving Java (Temurin/OpenJDK):
+* https://api.adoptium.net
+
+Needs access to the following URL for downloading and resolving Maven:
+* https://downloads.apache.org/maven
+
+Needs access to the following URLs for downloading and resolving Gradle:
+* https://services.gradle.org
+
+Needs access to the following URL for downloading and resolving Ant:
+* https://downloads.apache.org/ant

features/src/java/devcontainer-feature.json

@@ -0,0 +1,121 @@
+{
+    "id": "java",
+    "version": "1.0.0",
+    "name": "Java",
+    "description": "Installs Java (Temurin/OpenJDK), Maven, Gradle, and Ant.",
+    "options": {
+        "version": {
+            "type": "string",
+            "proposals": [
+                "latest",
+                "21",
+                "17",
+                "11",
+                "21.0.5"
+            ],
+            "default": "latest",
+            "description": "The version of Java (Temurin/OpenJDK) to install. Use a major version (e.g. '21') to get the latest patch release."
+        },
+        "mavenVersion": {
+            "type": "string",
+            "proposals": [
+                "none",
+                "latest",
+                "3.9",
+                "3.9.9"
+            ],
+            "default": "none",
+            "description": "The version of Maven to install. Use 'none' to skip."
+        },
+        "gradleVersion": {
+            "type": "string",
+            "proposals": [
+                "none",
+                "latest",
+                "8",
+                "8.14"
+            ],
+            "default": "none",
+            "description": "The version of Gradle to install. Use 'none' to skip."
+        },
+        "antVersion": {
+            "type": "string",
+            "proposals": [
+                "none",
+                "latest",
+                "1.10",
+                "1.10.15"
+            ],
+            "default": "none",
+            "description": "The version of Ant to install. Use 'none' to skip."
+        },
+        "downloadUrl": {
+            "type": "string",
+            "default": "",
+            "proposals": [
+                "https://mycompany.com/artifactory/adoptium-remote/v3/binary"
+            ],
+            "description": "The download URL to use for Java (Temurin) binaries."
+        },
+        "versionsUrl": {
+            "type": "string",
+            "default": "",
+            "description": "The URL to fetch the available Java (Temurin) versions from."
+        },
+        "latestUrl": {
+            "type": "string",
+            "default": "",
+            "description": "The URL to fetch the latest Java (Temurin) release information from."
+        },
+        "mavenDownloadUrl": {
+            "type": "string",
+            "default": "",
+            "proposals": [
+                "https://mycompany.com/artifactory/apache-maven-remote"
+            ],
+            "description": "The download URL to use for Maven binaries."
+        },
+        "mavenVersionsUrl": {
+            "type": "string",
+            "default": "",
+            "description": "The URL to fetch the available Maven versions from."
+        },
+        "gradleDownloadUrl": {
+            "type": "string",
+            "default": "",
+            "proposals": [
+                "https://mycompany.com/artifactory/gradle-distributions-remote"
+            ],
+            "description": "The download URL to use for Gradle binaries."
+        },
+        "gradleVersionsUrl": {
+            "type": "string",
+            "default": "",
+            "description": "The URL to fetch the available Gradle versions from."
+        },
+        "antDownloadUrl": {
+            "type": "string",
+            "default": "",
+            "proposals": [
+                "https://mycompany.com/artifactory/apache-ant-remote"
+            ],
+            "description": "The download URL to use for Ant binaries."
+        },
+        "antVersionsUrl": {
+            "type": "string",
+            "default": "",
+            "description": "The URL to fetch the available Ant versions from."
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "vscjava.vscode-java-pack"
+            ]
+        }
+    },
+    "containerEnv": {
+        "JAVA_HOME": "/usr/local/java",
+        "PATH": "/usr/local/java/bin:${PATH}"
+    }
+}

features/src/java/install.sh

@@ -0,0 +1,16 @@
+. ./functions.sh
+
+"./installer_$(detect_arch)" \
+    -version="${VERSION:-"latest"}" \
+    -mavenVersion="${MAVENVERSION:-"none"}" \
+    -gradleVersion="${GRADLEVERSION:-"none"}" \
+    -antVersion="${ANTVERSION:-"none"}" \
+    -downloadUrl="${DOWNLOADURL:-""}" \
+    -versionsUrl="${VERSIONSURL:-""}" \
+    -latestUrl="${LATESTURL:-""}" \
+    -mavenDownloadUrl="${MAVENDOWNLOADURL:-""}" \
+    -mavenVersionsUrl="${MAVENVERSIONSURL:-""}" \
+    -gradleDownloadUrl="${GRADLEDOWNLOADURL:-""}" \
+    -gradleVersionsUrl="${GRADLEVERSIONSURL:-""}" \
+    -antDownloadUrl="${ANTDOWNLOADURL:-""}" \
+    -antVersionsUrl="${ANTVERSIONSURL:-""}"