Convert output from MacOS /usr/libexec/java_home to json

java_home_json

#!/usr/bin/env bash

set -o errexit
set -o nounset
set -o pipefail

unset JAVA_VERSION
unset JAVA_ARCH


require_command() {
    if ! type $1 1>/dev/null 2>&1; then
        echo "Missing command: $1" >&2
        shift
        for arg in "${@}"; do
          echo "--> $arg"
        done
        return 1
    fi
}

require_command "jq" "https://jqlang.github.io/jq/" "brew install jq"

java_home --xml |
  plutil -convert json  - -o - |
  jq 'map(. | {"name": .JVMName, "platform_version": .JVMPlatformVersion, "path" : .JVMHomePath, "bundle_id": .JVMBundleID, "version": .JVMVersion, "vendor" : .JVMVendor, "enabled": .JVMEnabled, "arch": .JVMArch})'

java_home_json |jq 'map(select(.version|test("^23\\.")))'

[
  {
    "name": "Oracle GraalVM 23.0.1+11.1",
    "platform_version": "23.0.1",
    "home_path": "/Library/Java/JavaVirtualMachines/graalvm-23.jdk/Contents/Home",
    "bundle_id": "com.oracle.java.jdk",
    "version": "23.0.1",
    "vendor": "Oracle Corporation",
    "enabled": true,
    "arch": "arm64"
  },
  {
    "name": "OpenJDK 23.0.1",
    "platform_version": "23.0.1",
    "home_path": "/opt/homebrew/Cellar/openjdk/23.0.1/libexec/openjdk.jdk/Contents/Home",
    "bundle_id": "net.java.openjdk.jdk",
    "version": "23.0.1",
    "vendor": "Homebrew",
    "enabled": true,
    "arch": "arm64"
  }
]