Merge pull request #19 from Ryex/javas

Add java runtime metadata 

10 files changed, 1364 insertions, 25 deletions

diff --git a/meta/common/__init__.py b/meta/common/__init__.py
index 9e623bdca8..d7ee49ac4a 100644
--- a/meta/common/__init__.py
+++ b/meta/common/__init__.py
@@ -2,10 +2,11 @@ import os
 import os.path
 import datetime
 from urllib.parse import urlparse
+from typing import Any, Optional
 
 import requests
-from cachecontrol import CacheControl
-from cachecontrol.caches import FileCache
+from cachecontrol import CacheControl  # type: ignore
+from cachecontrol.caches import FileCache  # type: ignore
 
 LAUNCHER_MAVEN = "https://files.prismlauncher.org/maven/%s"
 
@@ -41,7 +42,7 @@ def ensure_upstream_dir(path):
         os.makedirs(path)
 
 
-def ensure_component_dir(component_id):
+def ensure_component_dir(component_id: str):
     path = os.path.join(launcher_path(), component_id)
     if not os.path.exists(path):
         os.makedirs(path)
@@ -51,7 +52,7 @@ def transform_maven_key(maven_key: str):
     return maven_key.replace(":", ".")
 
 
-def replace_old_launchermeta_url(url):
+def replace_old_launchermeta_url(url: str):
     o = urlparse(url)
     if o.netloc == "launchermeta.mojang.com":
         return o._replace(netloc="piston-meta.mojang.com").geturl()
@@ -59,7 +60,7 @@ def replace_old_launchermeta_url(url):
     return url
 
 
-def get_all_bases(cls, bases=None):
+def get_all_bases(cls: type, bases: Optional[list[type]] = None):
     bases = bases or []
     bases.append(cls)
     for c in cls.__bases__:
@@ -67,10 +68,10 @@ def get_all_bases(cls, bases=None):
     return tuple(bases)
 
 
-def merge_dict(base: dict, overlay: dict):
+def merge_dict(base: dict[Any, Any], overlay: dict[Any, Any]):
     for k, v in base.items():
         if isinstance(v, dict):
-            merge_dict(v, overlay.setdefault(k, {}))
+            merge_dict(v, overlay.setdefault(k, {}))  # type: ignore
         else:
             if k not in overlay:
                 overlay[k] = v
diff --git a/meta/common/java.py b/meta/common/java.py
new file mode 100644
index 0000000000..ec13b2a55f
--- /dev/null
+++ b/meta/common/java.py
@@ -0,0 +1,14 @@
+from os.path import join
+
+BASE_DIR = "java_runtime"
+
+RELEASE_FILE = join(BASE_DIR, "releases.json")
+ADOPTIUM_DIR = join(BASE_DIR, "adoptium")
+AZUL_DIR = join(BASE_DIR, "azul")
+
+ADOPTIUM_VERSIONS_DIR = join(ADOPTIUM_DIR, "versions")
+AZUL_VERSIONS_DIR = join(AZUL_DIR, "versions")
+
+JAVA_MINECRAFT_COMPONENT = "net.minecraft.java"
+JAVA_ADOPTIUM_COMPONENT = "net.adoptium.java"
+JAVA_AZUL_COMPONENT = "com.azul.java"
diff --git a/meta/common/mojang.py b/meta/common/mojang.py
index 5fda2e002f..fe36c3c02b 100644
--- a/meta/common/mojang.py
+++ b/meta/common/mojang.py
@@ -19,3 +19,5 @@ LIBRARY_PATCHES_FILE = join(dirname(__file__), "mojang-library-patches.json")
 MINECRAFT_COMPONENT = "net.minecraft"
 LWJGL_COMPONENT = "org.lwjgl"
 LWJGL3_COMPONENT = "org.lwjgl3"
+
+JAVA_MANIFEST_FILE = join(BASE_DIR, "java_all.json")
diff --git a/meta/model/__init__.py b/meta/model/__init__.py
index fb062f5d35..3d06f998ab 100644
--- a/meta/model/__init__.py
+++ b/meta/model/__init__.py
@@ -4,7 +4,7 @@ from pathlib import Path
 from typing import Optional, List, Dict, Any, Iterator
 
 import pydantic
-from pydantic import Field, validator
+from pydantic import Field, validator  # type: ignore
 
 from ..common import (
     LAUNCHER_MAVEN,
@@ -87,13 +87,16 @@ class GradleSpecifier:
     def is_log4j(self):
         return self.group == "org.apache.logging.log4j"
 
-    def __eq__(self, other):
-        return str(self) == str(other)
+    def __eq__(self, other: Any):
+        if isinstance(other, GradleSpecifier):
+            return str(self) == str(other)
+        else:
+            return False
 
-    def __lt__(self, other):
+    def __lt__(self, other: "GradleSpecifier"):
         return str(self) < str(other)
 
-    def __gt__(self, other):
+    def __gt__(self, other: "GradleSpecifier"):
         return str(self) > str(other)
 
     def __hash__(self):
@@ -122,7 +125,7 @@ class GradleSpecifier:
         return cls(group, artifact, version, classifier, extension)
 
     @classmethod
-    def validate(cls, v):
+    def validate(cls, v: "str | GradleSpecifier"):
         if isinstance(v, cls):
             return v
         if isinstance(v, str):
@@ -131,7 +134,7 @@ class GradleSpecifier:
 
 
 class MetaBase(pydantic.BaseModel):
-    def dict(self, **kwargs) -> Dict[str, Any]:
+    def dict(self, **kwargs: Any) -> Dict[str, Any]:
         for k in ["by_alias"]:
             if k in kwargs:
                 del kwargs[k]
@@ -147,12 +150,12 @@ class MetaBase(pydantic.BaseModel):
             exclude_none=True, sort_keys=True, by_alias=True, indent=4, **kwargs
         )
 
-    def write(self, file_path):
+    def write(self, file_path: str):
         Path(file_path).parent.mkdir(parents=True, exist_ok=True)
         with open(file_path, "w") as f:
             f.write(self.json())
 
-    def merge(self, other):
+    def merge(self, other: "MetaBase"):
         """
         Merge other object with self.
         - Concatenates lists
@@ -176,14 +179,14 @@ class MetaBase(pydantic.BaseModel):
             elif isinstance(ours, set):
                 ours |= theirs
             elif isinstance(ours, dict):
-                result = merge_dict(ours, copy.deepcopy(theirs))
+                result = merge_dict(ours, copy.deepcopy(theirs))  # type: ignore
                 setattr(self, key, result)
             elif MetaBase in get_all_bases(field.type_):
                 ours.merge(theirs)
             else:
                 setattr(self, key, theirs)
 
-    def __hash__(self):
+    def __hash__(self):  # type: ignore
         return hash(self.json())
 
     class Config:
@@ -194,7 +197,7 @@ class MetaBase(pydantic.BaseModel):
 
 class Versioned(MetaBase):
     @validator("format_version")
-    def format_version_must_be_supported(cls, v):
+    def format_version_must_be_supported(cls, v: int):
         assert v <= META_FORMAT_VERSION
         return v
 
@@ -209,7 +212,7 @@ class MojangArtifactBase(MetaBase):
 
 class MojangAssets(MojangArtifactBase):
     @validator("url")
-    def validate_url(cls, v):
+    def validate_url(cls, v: str):
         return replace_old_launchermeta_url(v)
 
     id: str
@@ -245,7 +248,7 @@ class MojangLibraryDownloads(MetaBase):
 
 class OSRule(MetaBase):
     @validator("name")
-    def name_must_be_os(cls, v):
+    def name_must_be_os(cls, v: str):
         assert v in [
             "osx",
             "linux",
@@ -263,7 +266,7 @@ class OSRule(MetaBase):
 
 class MojangRule(MetaBase):
     @validator("action")
-    def action_must_be_allow_disallow(cls, v):
+    def action_must_be_allow_disallow(cls, v: str):
         assert v in ["allow", "disallow"]
         return v
 
@@ -274,10 +277,10 @@ class MojangRule(MetaBase):
 class MojangRules(MetaBase):
     __root__: List[MojangRule]
 
-    def __iter__(self) -> Iterator[MojangRule]:
+    def __iter__(self) -> Iterator[MojangRule]:  # type: ignore
         return iter(self.__root__)
 
-    def __getitem__(self, item) -> MojangRule:
+    def __getitem__(self, item: int) -> MojangRule:
         return self.__root__[item]
 
 
@@ -316,6 +319,7 @@ class MetaVersion(Versioned):
     minecraft_arguments: Optional[str] = Field(alias="minecraftArguments")
     release_time: Optional[datetime] = Field(alias="releaseTime")
     compatible_java_majors: Optional[List[int]] = Field(alias="compatibleJavaMajors")
+    compatible_java_name: Optional[str] = Field(alias="compatibleJavaName")
     additional_traits: Optional[List[str]] = Field(alias="+traits")
     additional_tweakers: Optional[List[str]] = Field(alias="+tweakers")
     additional_jvm_args: Optional[List[str]] = Field(alias="+jvmArgs")
diff --git a/meta/model/enum.py b/meta/model/enum.py
new file mode 100644
index 0000000000..08dda4bf4a
--- /dev/null
+++ b/meta/model/enum.py
@@ -0,0 +1,32 @@
+import enum
+
+
+class StrEnum(str, enum.Enum):
+    """
+    StrEnum is a Python ``enum.Enum`` that inherits from ``str``. The default
+    ``auto()`` behavior uses the member name as its value.
+
+    Example usage::
+
+        class Example(StrEnum):
+            UPPER_CASE = auto()
+            lower_case = auto()
+            MixedCase = auto()
+
+        assert Example.UPPER_CASE == "UPPER_CASE"
+        assert Example.lower_case == "lower_case"
+        assert Example.MixedCase == "MixedCase"
+    """
+
+    def __new__(cls, value, *args, **kwargs):
+        if not isinstance(value, (str, enum.auto)):
+            raise TypeError(
+                f"Values of StrEnums must be strings: {value!r} is a {type(value)}"
+            )
+        return super().__new__(cls, value, *args, **kwargs)
+
+    def __str__(self):
+        return str(self.value)
+
+    def _generate_next_value_(name, *_):
+        return name
diff --git a/meta/model/java.py b/meta/model/java.py
new file mode 100644
index 0000000000..e24932ef85
--- /dev/null
+++ b/meta/model/java.py
@@ -0,0 +1,558 @@
+from . import (
+    MetaBase,
+    MetaVersion,
+    Versioned,
+)
+from pydantic import Field
+from datetime import datetime
+from enum import IntEnum, Enum
+from .enum import StrEnum
+from typing import Optional, Any, NamedTuple, Generator
+from urllib.parse import urlencode, urlparse, urlunparse
+from functools import total_ordering
+
+# namedtuple to match the internal signature of urlunparse
+
+
+class JavaRuntimeOS(StrEnum):
+    MacOsX64 = "mac-os-x64"
+    MacOsX86 = "mac-os-x86"  # rare
+    MacOsArm64 = "mac-os-arm64"
+    # MacOsArm32 = "mac-os-arm32" # doesn't exsist
+    LinuxX64 = "linux-x64"
+    LinuxX86 = "linux-x86"
+    LinuxArm64 = "linux-arm64"
+    LinuxArm32 = "linux-arm32"
+    WindowsX64 = "windows-x64"
+    WindowsX86 = "windows-x86"
+    WindowsArm64 = "windows-arm64"
+    WindowsArm32 = "windows-arm32"
+    Unknown = "unknown"
+
+
+class JavaRuntimeDownloadType(StrEnum):
+    Manifest = "manifest"
+    Archive = "archive"
+
+
+@total_ordering
+class JavaVersionMeta(MetaBase):
+    major: int
+    minor: int
+    security: int
+    build: Optional[int] = None
+    name: Optional[str] = None
+
+    def __str__(self):
+        ver = f"{self.major}.{self.minor}.{self.security}"
+        if self.build is not None:
+            ver = f"{ver}+{self.build}"
+        return ver
+
+    def to_tuple(self):
+        build = 0
+        if self.build is not None:
+            build = self.build
+        return (self.major, self.minor, self.security, build)
+
+    def __eq__(self, other: Any):
+        return self.to_tuple() == other.to_tuple()
+
+    def __lt__(self, other: "JavaVersionMeta"):
+        return self.to_tuple() < other.to_tuple()
+
+
+class JavaChecksumType(StrEnum):
+    Sha1 = "sha1"
+    Sha256 = "sha256"
+
+
+class JavaChecksumMeta(MetaBase):
+    type: JavaChecksumType
+    hash: str
+
+
+class JavaPackageType(StrEnum):
+    Jre = "jre"
+    Jdk = "jdk"
+
+
+class JavaRuntimeMeta(MetaBase):
+    name: str
+    vendor: str
+    url: str
+    release_time: datetime = Field(alias="releaseTime")
+    checksum: Optional[JavaChecksumMeta]
+    download_type: JavaRuntimeDownloadType = Field(alias="downloadType")
+    package_type: JavaPackageType = Field(alias="packageType")
+    version: JavaVersionMeta
+    runtime_os: JavaRuntimeOS = Field(alias="runtimeOS")
+
+
+class JavaRuntimeVersion(MetaVersion):
+    runtimes: list[JavaRuntimeMeta]
+
+
+class URLComponents(NamedTuple):
+    scheme: str
+    netloc: str
+    url: str
+    path: str
+    query: str
+    fragment: str
+
+
+class APIQuery(MetaBase):
+    def to_query(self):
+        set_parts: dict[str, Any] = {}
+        for key, value in self.dict().items():
+            if value is not None:
+                if isinstance(value, Enum):
+                    set_parts[key] = value.value
+                elif isinstance(value, list):
+                    if len(value) > 0:  # type: ignore
+                        set_parts[key] = value
+                elif isinstance(value, datetime):
+                    set_parts[key] = value.isoformat()
+                else:
+                    set_parts[key] = value
+        return urlencode(set_parts, doseq=True)
+
+
+class AdoptiumJvmImpl(StrEnum):
+    Hostspot = "hotspot"
+
+
+class AdoptiumVendor(StrEnum):
+    Eclipse = "eclipse"
+
+
+class AdoptiumArchitecture(StrEnum):
+    X64 = "x64"
+    X86 = "x86"
+    X32 = "x32"
+    Ppc64 = "ppc64"
+    Ppc64le = "ppc64le"
+    S390x = "s390x"
+    Aarch64 = "aarch64"
+    Arm = "arm"
+    Sparcv9 = "sparcv9"
+    Riscv64 = "riscv64"
+
+
+class AdoptiumReleaseType(StrEnum):
+    GenralAccess = "ga"
+    EarlyAccess = "ea"
+
+
+class AdoptiumSortMethod(StrEnum):
+    Default = "DEFAULT"
+    Date = "DATE"
+
+
+class AdoptiumSortOrder(StrEnum):
+    Asc = "ASC"
+    Desc = "DESC"
+
+
+class AdoptiumImageType(StrEnum):
+    Jdk = "jdk"
+    Jre = "jre"
+    Testimage = "testimage"
+    Debugimage = "debugimage"
+    Staticlibs = "staticlibs"
+    Sources = "sources"
+    Sbom = "sbom"
+
+
+class AdoptiumHeapSize(StrEnum):
+    Normal = "normal"
+    Large = "large"
+
+
+class AdoptiumProject(StrEnum):
+    Jdk = "jdk"
+    Valhalla = "valhalla"
+    Metropolis = "metropolis"
+    Jfr = "jfr"
+    Shenandoah = "shenandoah"
+
+
+class AdoptiumCLib(StrEnum):
+    Musl = "musl"
+    Glibc = "glibc"
+
+
+class AdoptiumOs(StrEnum):
+    Linux = "linux"
+    Windows = "windows"
+    Mac = "mac"
+    Solaris = "solaris"
+    Aix = "aix"
+    AlpineLinux = "alpine-linux"
+
+
+ADOPTIUM_API_BASE = " https://api.adoptium.net"
+ADOPTIUM_API_FEATURE_RELEASES = f"{ADOPTIUM_API_BASE}/v3/assets/feature_releases/{{feature_version}}/{{release_type}}"
+# ?image_type={{image_type}}&heap_size={{heap_size}}&project={{project}}&vendor={{vendor}}&page_size={{page_size}}&page={{page}}&sort_method={{sort_method}}&sort_order={{sort_order}}
+ADOPTIUM_API_AVAILABLE_RELEASES = f"{ADOPTIUM_API_BASE}/v3/info/available_releases"
+
+
+class AdoptiumAPIFeatureReleasesQuery(APIQuery):
+    architecture: Optional[AdoptiumArchitecture] = None
+    before: Optional[datetime] = None
+    c_lib: Optional[AdoptiumCLib] = None
+    heap_size: Optional[AdoptiumHeapSize] = AdoptiumHeapSize.Normal
+    image_type: Optional[AdoptiumImageType] = None
+    jvm_impl: Optional[AdoptiumJvmImpl] = None
+    os: Optional[AdoptiumOs] = None
+    page_size: int = 10
+    page: int = 0
+    project: Optional[AdoptiumProject] = AdoptiumProject.Jdk
+    sort_method: Optional[AdoptiumSortMethod] = AdoptiumSortMethod.Default
+    sort_order: Optional[AdoptiumSortOrder] = AdoptiumSortOrder.Desc
+    vendor: Optional[AdoptiumVendor] = AdoptiumVendor.Eclipse
+
+
+def adoptiumAPIFeatureReleasesUrl(
+    feature: int,
+    release_type: AdoptiumReleaseType = AdoptiumReleaseType.GenralAccess,
+    query: AdoptiumAPIFeatureReleasesQuery = AdoptiumAPIFeatureReleasesQuery(),
+):
+    url = urlparse(
+        ADOPTIUM_API_FEATURE_RELEASES.format(
+            feature_version=feature,
+            release_type=release_type.value,
+        )
+    )
+    return urlunparse(url._replace(query=query.to_query()))
+
+
+class AdoptiumAvailableReleases(MetaBase):
+    available_releases: list[int]
+    available_lts_releases: list[int]
+    most_recent_lts: Optional[int]
+    most_recent_feature_release: Optional[int]
+    most_recent_feature_version: Optional[int]
+    tip_version: Optional[int]
+
+
+class AdoptiumFile(MetaBase):
+    name: str
+    link: str
+    size: Optional[int]
+
+
+class AdoptiumPackage(AdoptiumFile):
+    checksum: Optional[str]
+    checksum_link: Optional[str]
+    signature_link: Optional[str]
+    download_count: Optional[int]
+    metadata_link: Optional[str]
+
+
+class AdoptiumBinary(MetaBase):
+    os: str
+    architecture: AdoptiumArchitecture
+    image_type: AdoptiumImageType
+    c_lib: Optional[AdoptiumCLib]
+    jvm_impl: AdoptiumJvmImpl
+    package: Optional[AdoptiumPackage]
+    installer: Optional[AdoptiumPackage]
+    heap_size: AdoptiumHeapSize
+    download_count: Optional[int]
+    updated_at: datetime
+    scm_ref: Optional[str]
+    project: AdoptiumProject
+
+
+class AdoptiumVersion(MetaBase):
+    major: Optional[int]
+    minor: Optional[int]
+    security: Optional[int]
+    patch: Optional[int]
+    pre: Optional[str]
+    adopt_build_number: Optional[int]
+    semver: str
+    openjdk_version: str
+    build: Optional[int]
+    optional: Optional[str]
+
+
+class AdoptiumRelease(MetaBase):
+    release_id: str = Field(alias="id")
+    release_link: str
+    release_name: str
+    timestamp: datetime
+    updated_at: datetime
+    binaries: list[AdoptiumBinary]
+    download_count: Optional[int]
+    release_type: str
+    vendor: AdoptiumVendor
+    version_data: AdoptiumVersion
+    source: Optional[AdoptiumFile]
+    release_notes: Optional[AdoptiumFile]
+
+
+class AdoptiumReleases(MetaBase):
+    __root__: list[AdoptiumRelease]
+
+    def __iter__(self) -> Generator[tuple[str, AdoptiumRelease], None, None]:
+        yield from ((str(i), val) for i, val in enumerate(self.__root__))
+
+    def __getitem__(self, item: int) -> AdoptiumRelease:
+        return self.__root__[item]
+
+    def append(self, rls: AdoptiumRelease):
+        self.__root__.append(rls)
+
+
+class AzulProduct(StrEnum):
+    Zulu = "zulu"
+
+
+class AzulAvailabilityType(StrEnum):
+    SA = "SA"
+    CA = "CA"
+    NV = "NV"
+    _LA = "LA"
+
+
+class AzulJavaPackageType(StrEnum):
+    Jdk = "jdk"
+    Jre = "jre"
+
+
+class AzulReleaseType(StrEnum):
+    CPU = "CPU"
+    PSU = "PSU"
+    LU = "LU"
+
+
+class AzulOs(StrEnum):
+    Linux = "linux"
+    Macos = "macos"
+    Qnx = "qnx"
+    Windows = "windows"
+    Solaris = "solaris"
+
+
+class AzulLibCType(StrEnum):
+    Glibc = "glibc"
+    Uclibc = "uclibc"
+    Musl = "musl"
+
+
+class AzulCPUGen(StrEnum):
+    V5 = "v5"
+    V6kV6kz = "v6k_v6kz"
+    V6t2 = "v6t2"
+    V7 = "v7"
+    V8 = "v8"
+
+
+class AzulArch(StrEnum):
+    Arm = "arm"
+    X86 = "x86"
+    Mips = "mips"
+    Ppc = "ppc"
+    Sparcv9 = "sparcv9"
+    Sparc = "sparc"
+
+
+class AzulHwBitness(IntEnum):
+    X32 = 32
+    X64 = 64
+
+
+class AzulAbi(StrEnum):
+    HardFloat = "hard_float"
+    SoftFloat = "soft_float"
+    Spe = "spe"
+    Any = "any"
+
+
+class AzulArchiveType(StrEnum):
+    Deb = "deb"
+    Rpm = "rpm"
+    Dmg = "dmg"
+    Targz = "tar.gz"
+    Zip = "zip"
+    Cab = "cab"
+    Msi = "msi"
+
+
+class AzulReleaseStatus(StrEnum):
+    Eval = "eval"
+    Ea = "ea"
+    Ga = "ga"
+    Both = "both"
+
+
+class AzulSupportTerm(StrEnum):
+    Sts = "sts"
+    Mts = "mts"
+    Lts = "lts"
+
+
+class AzulCertifications(StrEnum):
+    Tck = "tck"
+    _Aqavit = "aqavit"
+    none = "none"
+
+
+class AzulSignatureType(StrEnum):
+    Openpgp = "openpgp"
+
+
+class AzulOsQueryParam(StrEnum):
+    Macos = "macos"
+    Windows = "windows"
+    Linux = "linux"
+    LinuxMusl = "linux-musl"
+    LinuxGlibc = "linux-glibc"
+    Qnx = "qnx"
+    Solaris = "solaris"
+
+
+class AzulArchQueryParam(StrEnum):
+    X86 = "x86"
+    X64 = "x64"
+    Amd64 = "amd64"
+    I686 = "i686"
+    Arm = "arm"
+    Aarch64 = "aarch64"
+    Aarch32 = "aarch32"
+    Aarch32sf = "aarch32sf"
+    Aarch32hf = "aarch32hf"
+    Ppc = "ppc"
+    Ppc64 = "ppc64"
+    Ppc64hf = "ppc64hf"
+    Ppc32 = "ppc32"
+    Ppc32spe = "ppc32spe"
+    Ppc32hf = "ppc32hf"
+    Sparc = "sparc"
+    Sparc32 = "sparc32"
+    Sparcv9 = "sparcv9"
+    Sparcv9_64 = "sparcv9-64"
+
+
+AZUL_API_BASE = "https://api.azul.com/metadata/v1"
+AZUL_API_PACKAGES = f"{AZUL_API_BASE}/zulu/packages/"
+AZUL_API_PACKAGE_DETAIL = f"{AZUL_API_BASE}/zulu/packages/{{package_uuid}}"
+
+
+class AzulApiPackagesQuery(APIQuery):
+    java_version: Optional[str] = None
+    os: Optional[AzulOsQueryParam] = None
+    arch: Optional[AzulArchQueryParam] = None
+    archive_type: Optional[AzulArchiveType] = None
+    java_package_type: Optional[AzulJavaPackageType] = None
+    javafx_bundled: Optional[bool] = None
+    crac_supported: Optional[bool] = None
+    support_term: Optional[AzulSupportTerm] = None
+    release_type: Optional[AzulReleaseType] = None
+    latest: Optional[bool] = None
+    distro_version: Optional[str] = None
+    java_package_features: list[str] = []
+    release_status: Optional[AzulReleaseStatus] = None
+    availability_types: list[AzulAvailabilityType] = []
+    certifications: list[AzulCertifications] = []
+    include_fields: list[str] = []
+    page: int = 0
+    page_size: int = 100
+
+
+def azulApiPackagesUrl(query: AzulApiPackagesQuery = AzulApiPackagesQuery()):
+    url = urlparse(AZUL_API_PACKAGES)
+    return urlunparse(url._replace(query=query.to_query()))
+
+
+def azulApiPackageDetailUrl(package_uuid: str):
+    return AZUL_API_PACKAGE_DETAIL.format(package_uuid=package_uuid)
+
+
+class ZuluSignatureDetail(MetaBase):
+    type: AzulSignatureType
+    url: str
+    details: dict[str, Any]
+    signature_index: int
+    signature: str
+
+
+class ZuluPackageDetail(MetaBase):
+    package_uuid: str
+    name: Optional[str]
+    md5_hash: Optional[str]
+    sha256_hash: Optional[str]
+    build_date: datetime
+    last_modified: datetime
+    download_url: str
+    product: AzulProduct
+    availability_type: AzulAvailabilityType
+    java_version: list[int]
+    openjdk_build_number: Optional[int]
+    java_package_type: AzulJavaPackageType
+    javafx_bundled: bool
+    release_type: AzulReleaseType
+    os: AzulOs
+    lib_c_type: Optional[AzulLibCType]
+    cpu_gen: Optional[list[AzulCPUGen]]
+    arch: AzulArch
+    hw_bitness: AzulHwBitness
+    abi: AzulAbi
+    archive_type: AzulArchiveType
+    release_status: AzulReleaseStatus
+    support_term: AzulSupportTerm
+    certifications: Optional[list[AzulCertifications]]
+    latest: Optional[bool]
+    size: int
+    distro_version: list[int]
+    signatures: list[ZuluSignatureDetail]
+
+
+class ZuluPackage(MetaBase):
+    package_uuid: str
+    name: Optional[str]
+    java_version: list[int]
+    openjdk_build_number: Optional[int]
+    latest: Optional[bool]
+    download_url: str
+    product: Optional[AzulProduct]
+    distro_version: list[int]
+    availability_type: Optional[AzulAvailabilityType]
+
+
+class ZuluPackageList(MetaBase):
+    __root__: list[ZuluPackage]
+
+    def __iter__(self) -> Generator[tuple[str, ZuluPackage], None, None]:
+        yield from ((str(i), val) for i, val in enumerate(self.__root__))
+
+    def __getitem__(self, item: int) -> ZuluPackage:
+        return self.__root__[item]
+
+    def append(self, pkg: ZuluPackage):
+        self.__root__.append(pkg)
+
+
+class ZuluPackagesDetail(MetaBase):
+    __root__: list[ZuluPackageDetail]
+
+    def __iter__(self) -> Generator[tuple[str, ZuluPackageDetail], None, None]:
+        yield from ((str(i), val) for i, val in enumerate(self.__root__))
+
+    def __getitem__(self, item: int) -> ZuluPackageDetail:
+        return self.__root__[item]
+
+    def append(self, pkg: ZuluPackageDetail):
+        self.__root__.append(pkg)
+
+
+MOJANG_OS_NAMES = ["mac-os", "linux", "windows"]
+
+MOJANG_OS_ARCHITECTURES = [
+    "x64" "x86",
+    "arm64",
+    "arm32",
+]
diff --git a/meta/model/mojang.py b/meta/model/mojang.py
index 221f8e074e..6fb71e7e73 100644
--- a/meta/model/mojang.py
+++ b/meta/model/mojang.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 from typing import Optional, List, Dict, Any, Iterator
+from .enum import StrEnum
 
 from pydantic import validator, Field
 
@@ -17,6 +18,9 @@ from . import (
 SUPPORTED_LAUNCHER_VERSION = 21
 SUPPORTED_COMPLIANCE_LEVEL = 1
 DEFAULT_JAVA_MAJOR = 8  # By default, we should recommend Java 8 if we don't know better
+DEFAULT_JAVA_NAME = (
+    "jre-legacy"  # By default, we should recommend Java 8 if we don't know better
+)
 COMPATIBLE_JAVA_MAPPINGS = {16: [17]}
 SUPPORTED_FEATURES = ["is_quick_play_multiplayer"]
 
@@ -193,11 +197,74 @@ class MojangLogging(MetaBase):
     type: str
 
 
+class MojangJavaComponent(StrEnum):
+    JreLegacy = "jre-legacy"
+    Alpha = "java-runtime-alpha"
+    Beta = "java-runtime-beta"
+    Gamma = "java-runtime-gamma"
+    GammaSnapshot = "java-runtime-gamma-snapshot"
+    Exe = "minecraft-java-exe"
+    Delta = "java-runtime-delta"
+
+
 class JavaVersion(MetaBase):
-    component: str = "jre-legacy"
+    component: MojangJavaComponent = MojangJavaComponent.JreLegacy
     major_version: int = Field(8, alias="majorVersion")
 
 
+class MojangJavaIndexAvailability(MetaBase):
+    group: int
+    progress: int
+
+
+class MojangJavaIndexManifest(MetaBase):
+    sha1: str
+    size: int
+    url: str
+
+
+class MojangJavaIndexVersion(MetaBase):
+    name: str
+    released: datetime
+
+
+class MojangJavaRuntime(MetaBase):
+    availability: MojangJavaIndexAvailability
+    manifest: MojangJavaIndexManifest
+    version: MojangJavaIndexVersion
+
+
+class MojangJavaIndexEntry(MetaBase):
+    __root__: dict[MojangJavaComponent, list[MojangJavaRuntime]]
+
+    def __iter__(self) -> Iterator[MojangJavaComponent]:
+        return iter(self.__root__)
+
+    def __getitem__(self, item) -> list[MojangJavaRuntime]:
+        return self.__root__[item]
+
+
+class MojangJavaOsName(StrEnum):
+    Gamecore = "gamecore"
+    Linux = "linux"
+    Linuxi386 = "linux-i386"
+    MacOs = "mac-os"
+    MacOSArm64 = "mac-os-arm64"
+    WindowsArm64 = "windows-arm64"
+    WindowsX64 = "windows-x64"
+    WindowsX86 = "windows-x86"
+
+
+class JavaIndex(MetaBase):
+    __root__: dict[MojangJavaOsName, MojangJavaIndexEntry]
+
+    def __iter__(self) -> Iterator[MojangJavaOsName]:
+        return iter(self.__root__)
+
+    def __getitem__(self, item) -> MojangJavaIndexEntry:
+        return self.__root__[item]
+
+
 class MojangVersion(MetaBase):
     @validator("minimum_launcher_version")
     def validate_minimum_launcher_version(cls, v):
@@ -256,10 +323,12 @@ class MojangVersion(MetaBase):
             raise Exception(f"Unsupported compliance level {self.compliance_level}")
 
         major = DEFAULT_JAVA_MAJOR
+        javaName = DEFAULT_JAVA_NAME
         if (
             self.javaVersion is not None
         ):  # some versions don't have this. TODO: maybe maintain manual overrides
             major = self.javaVersion.major_version
+            javaName = self.javaVersion.component
 
         compatible_java_majors = [major]
         if (
@@ -281,6 +350,7 @@ class MojangVersion(MetaBase):
             release_time=self.release_time,
             type=new_type,
             compatible_java_majors=compatible_java_majors,
+            compatible_java_name=javaName,
             additional_traits=addn_traits,
             main_jar=main_jar,
         )
diff --git a/meta/run/generate_java.py b/meta/run/generate_java.py
new file mode 100644
index 0000000000..fd32308217
--- /dev/null
+++ b/meta/run/generate_java.py
@@ -0,0 +1,481 @@
+import copy
+import datetime
+import os
+from typing import Optional
+from functools import reduce
+
+from meta.common import ensure_component_dir, launcher_path, upstream_path
+
+from meta.common.java import (
+    JAVA_MINECRAFT_COMPONENT,
+    JAVA_ADOPTIUM_COMPONENT,
+    JAVA_AZUL_COMPONENT,
+    ADOPTIUM_DIR,
+    ADOPTIUM_VERSIONS_DIR,
+    AZUL_DIR,
+    AZUL_VERSIONS_DIR,
+)
+from meta.model import MetaPackage
+from meta.model.java import (
+    JavaRuntimeOS,
+    JavaRuntimeVersion,
+    JavaRuntimeMeta,
+    JavaVersionMeta,
+    JavaPackageType,
+    JavaChecksumMeta,
+    JavaChecksumType,
+    JavaRuntimeDownloadType,
+    AdoptiumAvailableReleases,
+    AdoptiumReleases,
+    AdoptiumRelease,
+    AdoptiumImageType,
+    AdoptiumBinary,
+    ZuluPackageList,
+    ZuluPackageDetail,
+    AzulJavaPackageType,
+    AzulArch,
+)
+
+from meta.common.mojang import (
+    JAVA_MANIFEST_FILE,
+)
+
+from meta.model.mojang import (
+    JavaIndex,
+    MojangJavaComponent,
+    MojangJavaOsName,
+    MojangJavaRuntime,
+)
+
+LAUNCHER_DIR = launcher_path()
+UPSTREAM_DIR = upstream_path()
+
+
+MOJANG_OS_ARCHITECTURES = [
+    "x64",
+    "x86",
+    "arm64",
+    "arm32",
+]
+
+MOJANG_OS_ARCHITECTURE_TRANSLATIONS = {
+    64: "x64",
+    32: "x86",
+    "x32": "x86",
+    "i386": "x86",
+    "aarch64": "arm64",
+    "x86_64": "x64",
+    "arm": "arm32",
+}
+
+
+def translate_arch(arch: str | int):
+    if isinstance(arch, str):
+        arch = arch.lower()
+    if arch in MOJANG_OS_ARCHITECTURES:
+        return arch
+    elif arch in MOJANG_OS_ARCHITECTURE_TRANSLATIONS:
+        return MOJANG_OS_ARCHITECTURE_TRANSLATIONS[arch]
+    else:
+        return None
+
+
+MOJANG_OS_NAMES = [
+    "mac-os",
+    "linux",
+    "windows",
+]
+
+MOJANG_OS_TRANSLATIONS = {
+    "osx": "mac-os",
+    "mac": "mac-os",
+    "macos": "mac-os",
+}
+
+
+def translate_os(os: str):
+    os = os.lower()
+    if os in MOJANG_OS_NAMES:
+        return os
+    elif os in MOJANG_OS_TRANSLATIONS:
+        return MOJANG_OS_TRANSLATIONS[os]
+    else:
+        return None
+
+
+def mojang_os_to_java_os(mojang_os: MojangJavaOsName) -> JavaRuntimeOS:
+    match mojang_os:
+        case MojangJavaOsName.Linux:
+            return JavaRuntimeOS.LinuxX64
+        case MojangJavaOsName.Linuxi386:
+            return JavaRuntimeOS.LinuxX86
+        case MojangJavaOsName.MacOs:
+            return JavaRuntimeOS.MacOsX64
+        case MojangJavaOsName.MacOSArm64:
+            return JavaRuntimeOS.MacOsArm64
+        case MojangJavaOsName.WindowsArm64:
+            return JavaRuntimeOS.WindowsArm64
+        case MojangJavaOsName.WindowsX64:
+            return JavaRuntimeOS.WindowsX64
+        case MojangJavaOsName.WindowsX86:
+            return JavaRuntimeOS.WindowsX86
+        case _:
+            return JavaRuntimeOS.Unknown
+
+
+def mojang_component_to_major(mojang_component: MojangJavaComponent) -> int:
+    match mojang_component:
+        case MojangJavaComponent.JreLegacy:
+            return 8
+        case MojangJavaComponent.Alpha:
+            return 17
+        case MojangJavaComponent.Beta:
+            return 17
+        case MojangJavaComponent.Gamma:
+            return 17
+        case MojangJavaComponent.GammaSnapshot:
+            return 17
+        case MojangJavaComponent.Exe:
+            return 0
+        case MojangJavaComponent.Delta:
+            return 21
+        case _:
+            return 0
+
+
+def mojang_runtime_to_java_runtime(
+    mojang_runtime: MojangJavaRuntime,
+    mojang_component: MojangJavaComponent,
+    runtime_os: JavaRuntimeOS,
+) -> JavaRuntimeMeta:
+    major, _, security = mojang_runtime.version.name.partition("u")
+    if major and security:
+        version_parts = [int(major), 0, int(security)]
+    else:
+        version_parts = [int(part) for part in mojang_runtime.version.name.split(".")]
+
+    while len(version_parts) < 3:
+        version_parts.append(0)
+
+    build = None
+    if len(version_parts) >= 4:
+        build = version_parts[3]
+
+    version = JavaVersionMeta(
+        major=version_parts[0],
+        minor=version_parts[1],
+        security=version_parts[2],
+        build=build,
+        name=mojang_runtime.version.name,
+    )
+    return JavaRuntimeMeta(
+        name=mojang_component,
+        vendor="mojang",
+        url=mojang_runtime.manifest.url,
+        releaseTime=mojang_runtime.version.released,
+        checksum=JavaChecksumMeta(
+            type=JavaChecksumType.Sha1, hash=mojang_runtime.manifest.sha1
+        ),
+        downloadType=JavaRuntimeDownloadType.Manifest,
+        packageType=JavaPackageType.Jre,
+        version=version,
+        runtime_os=runtime_os,
+    )
+
+
+def adoptium_release_binary_to_java_runtime(
+    rls: AdoptiumRelease,
+    binary: AdoptiumBinary,
+    runtime_os: JavaRuntimeOS,
+) -> JavaRuntimeMeta:
+    assert binary.package is not None
+
+    checksum = None
+    if binary.package.checksum is not None:
+        checksum = JavaChecksumMeta(
+            type=JavaChecksumType.Sha256, hash=binary.package.checksum
+        )
+
+    pkg_type = JavaPackageType(str(binary.image_type))
+
+    version = JavaVersionMeta(
+        major=rls.version_data.major if rls.version_data.major is not None else 0,
+        minor=rls.version_data.minor if rls.version_data.minor is not None else 0,
+        security=(
+            rls.version_data.security if rls.version_data.security is not None else 0
+        ),
+        build=rls.version_data.build,
+    )
+    rls_name = f"{rls.vendor}_temurin_{binary.image_type}{version}"
+    return JavaRuntimeMeta(
+        name=rls_name,
+        vendor=rls.vendor,
+        url=binary.package.link,
+        releaseTime=rls.timestamp,
+        checksum=checksum,
+        downloadType=JavaRuntimeDownloadType.Archive,
+        packageType=pkg_type,
+        version=version,
+        runtime_os=runtime_os,
+    )
+
+
+def azul_package_to_java_runtime(
+    pkg: ZuluPackageDetail, runtime_os: JavaRuntimeOS
+) -> JavaRuntimeMeta:
+    version_parts = copy.copy(pkg.java_version)
+
+    build = None
+    while len(version_parts) < 3:
+        version_parts.append(0)
+
+    if len(version_parts) >= 4:
+        build = version_parts[3]
+
+    version = JavaVersionMeta(
+        major=version_parts[0],
+        minor=version_parts[1],
+        security=version_parts[2],
+        build=build,
+    )
+
+    pkg_type = JavaPackageType(str(pkg.java_package_type))
+
+    rls_name = f"azul_{pkg.product}_{pkg.java_package_type}{version}"
+
+    checksum = None
+    if pkg.sha256_hash is not None:
+        checksum = JavaChecksumMeta(type=JavaChecksumType.Sha256, hash=pkg.sha256_hash)
+
+    return JavaRuntimeMeta(
+        name=rls_name,
+        vendor="azul",
+        url=pkg.download_url,
+        releaseTime=pkg.build_date,
+        checksum=checksum,
+        downloadType=JavaRuntimeDownloadType.Archive,
+        packageType=pkg_type,
+        version=version,
+        runtime_os=runtime_os,
+    )
+
+
+def writeJavas(javas: dict[int, list[JavaRuntimeMeta]], uid: str):
+    def oldest_timestamp(a: datetime.datetime | None, b: datetime.datetime):
+        if a is None or a > b:
+            return b
+        return a
+
+    ensure_component_dir(uid)
+
+    # small hack to sort the versions after major
+    javas = dict(sorted(javas.items(), key=lambda item: item[0]))
+    timestamps: dict[int, datetime.datetime | None] = {}
+    prevDate: datetime.datetime | None = None
+    for major, runtimes in javas.items():
+        releaseTime = reduce(
+            oldest_timestamp,
+            (runtime.release_time for runtime in runtimes),
+            None,
+        )
+        if prevDate is not None and releaseTime < prevDate:
+            releaseTime = prevDate + datetime.timedelta(seconds=1)
+        prevDate = releaseTime
+        timestamps[major] = releaseTime
+
+    for major, runtimes in javas.items():
+        version_file = os.path.join(LAUNCHER_DIR, uid, f"java{major}.json")
+        java_version = JavaRuntimeVersion(
+            name=f"Java {major}",
+            uid=uid,
+            version=f"java{major}",
+            releaseTime=timestamps.get(major),
+            runtimes=runtimes,
+        )
+        java_version.write(version_file)
+
+    package = MetaPackage(uid=uid, name="Java Runtimes", recommended=[])
+    package.write(os.path.join(LAUNCHER_DIR, uid, "package.json"))
+
+
+def main():
+    javas: dict[int, list[JavaRuntimeMeta]] = {}
+    extra_mojang_javas: dict[int, list[JavaRuntimeMeta]] = {}
+
+    def add_java_runtime(runtime: JavaRuntimeMeta, major: int):
+        if major not in javas:
+            javas[major] = list[JavaRuntimeMeta]()
+        print(f"Regestering runtime: {runtime.name} for Java {major}")
+        javas[major].append(runtime)
+
+        # only add specific versions to the list
+        if (
+            (
+                runtime.runtime_os
+                in [JavaRuntimeOS.MacOsArm64, JavaRuntimeOS.WindowsArm64]
+                and major == 8
+            )
+            or (
+                runtime.runtime_os
+                in [
+                    JavaRuntimeOS.WindowsArm32,
+                    JavaRuntimeOS.LinuxArm32,
+                    JavaRuntimeOS.LinuxArm64,
+                ]
+                and major in [8, 17, 21]
+            )
+            or (runtime.runtime_os == JavaRuntimeOS.LinuxX86 and major in [17, 21])
+        ):
+            if major not in extra_mojang_javas:
+                extra_mojang_javas[major] = list[JavaRuntimeMeta]()
+            extra_mojang_javas[major].append(runtime)
+
+    print("Processing Adoptium Releases")
+    adoptium_path = os.path.join(UPSTREAM_DIR, ADOPTIUM_DIR, "available_releases.json")
+    if os.path.exists(adoptium_path):
+        adoptium_available_releases = AdoptiumAvailableReleases.parse_file(
+            adoptium_path
+        )
+        for major in adoptium_available_releases.available_releases:
+            adoptium_releases = AdoptiumReleases.parse_file(
+                os.path.join(UPSTREAM_DIR, ADOPTIUM_VERSIONS_DIR, f"java{major}.json")
+            )
+            for _, rls in adoptium_releases:
+                for binary in rls.binaries:
+                    if (
+                        binary.package is None
+                        or binary.image_type is not AdoptiumImageType.Jre
+                    ):
+                        continue
+                    binary_arch = translate_arch(str(binary.architecture))
+                    binary_os = translate_os(str(binary.os))
+                    if binary_arch is None or binary_os is None:
+                        print(f"Ignoring release for {binary.os} {binary.architecture}")
+                        continue
+
+                    java_os = JavaRuntimeOS(f"{binary_os}-{binary_arch}")
+                    runtime = adoptium_release_binary_to_java_runtime(
+                        rls, binary, java_os
+                    )
+                    add_java_runtime(runtime, major)
+
+    writeJavas(javas=javas, uid=JAVA_ADOPTIUM_COMPONENT)
+    javas = {}
+    print("Processing Azul Packages")
+    azul_path = os.path.join(UPSTREAM_DIR, AZUL_DIR, "packages.json")
+    if os.path.exists(azul_path):
+        azul_packages = ZuluPackageList.parse_file(azul_path)
+        for _, pkg in azul_packages:
+            pkg_detail = ZuluPackageDetail.parse_file(
+                os.path.join(
+                    UPSTREAM_DIR, AZUL_VERSIONS_DIR, f"{pkg.package_uuid}.json"
+                )
+            )
+            major = pkg_detail.java_version[0]
+            if major < 8 or pkg_detail.java_package_type is not AzulJavaPackageType.Jre:
+                continue  # we will never need java versions less than 8
+
+            pkg_os = translate_os(str(pkg_detail.os))
+            if pkg_detail.arch == AzulArch.Arm:
+                pkg_arch = translate_arch(f"{pkg_detail.arch}{pkg_detail.hw_bitness}")
+            elif pkg_detail.arch == AzulArch.X86:
+                pkg_arch = translate_arch(int(pkg_detail.hw_bitness))
+            else:
+                pkg_arch = None
+            if pkg_arch is None or pkg_os is None:
+                print(
+                    f"Ignoring release for {pkg_detail.os} {pkg_detail.arch}_{pkg_detail.hw_bitness}"
+                )
+                continue
+
+            java_os = JavaRuntimeOS(f"{pkg_os}-{pkg_arch}")
+            runtime = azul_package_to_java_runtime(pkg_detail, java_os)
+            add_java_runtime(runtime, major)
+    writeJavas(javas=javas, uid=JAVA_AZUL_COMPONENT)
+    javas = {}
+
+    # constructs the missing mojang javas based on adoptium or azul
+    def get_mojang_extra_java(
+        mojang_component: MojangJavaComponent, java_os: JavaRuntimeOS
+    ) -> JavaRuntimeMeta | None:
+        java_major = mojang_component_to_major(mojang_component)
+        if not java_major in extra_mojang_javas:
+            return None
+        posible_javas = list(
+            filter(lambda x: x.runtime_os == java_os, extra_mojang_javas[java_major])
+        )
+        if len(posible_javas) == 0:
+            return None
+        prefered_vendor = list(filter(lambda x: x.vendor != "azul", posible_javas))
+        if len(prefered_vendor) == 0:
+            prefered_vendor = posible_javas
+        prefered_vendor.sort(key=lambda x: x.version, reverse=True)
+        runtime = prefered_vendor[0]
+        runtime.name = mojang_component
+        return runtime
+
+    print("Processing Mojang Javas")
+    mojang_java_manifest = JavaIndex.parse_file(
+        os.path.join(UPSTREAM_DIR, JAVA_MANIFEST_FILE)
+    )
+    for mojang_os_name in mojang_java_manifest:
+        if mojang_os_name == MojangJavaOsName.Gamecore:
+            continue  # empty
+        java_os = mojang_os_to_java_os(mojang_os_name)
+        for comp in mojang_java_manifest[mojang_os_name]:
+            if comp == MojangJavaComponent.Exe:
+                continue  # doesn't appear to be used and not marked with a full verison so I don't trust it
+            mojang_runtimes = mojang_java_manifest[mojang_os_name][comp]
+            if len(mojang_runtimes) == 0:
+                if mojang_os_name in [
+                    MojangJavaOsName.WindowsArm64,
+                    MojangJavaOsName.MacOSArm64,
+                ]:
+                    if comp in [MojangJavaComponent.Alpha, MojangJavaComponent.Beta]:
+                        mojang_runtimes = mojang_java_manifest[mojang_os_name][
+                            MojangJavaComponent.Gamma
+                        ]
+                    elif (
+                        comp == MojangJavaComponent.JreLegacy
+                    ):  # arm version of win and mac is missing the legacy java
+                        runtime = get_mojang_extra_java(comp, java_os)
+                        if runtime != None:
+                            add_java_runtime(runtime, mojang_component_to_major(comp))
+                if (
+                    mojang_os_name == MojangJavaOsName.Linuxi386
+                    and comp != MojangJavaComponent.JreLegacy
+                ):  # the linux x86 is missing all but legacy
+                    runtime = get_mojang_extra_java(comp, java_os)
+                    if runtime != None:
+                        add_java_runtime(runtime, mojang_component_to_major(comp))
+            for mojang_runtime in mojang_runtimes:
+                if comp == MojangJavaComponent.JreLegacy:
+                    major = 8
+                else:
+                    major = int(mojang_runtime.version.name.partition(".")[0])
+                runtime = mojang_runtime_to_java_runtime(mojang_runtime, comp, java_os)
+                add_java_runtime(runtime, major)
+    # mojang doesn't provide any versions for the following systems so borrow info from adoptium/azul
+    for java_os in [
+        JavaRuntimeOS.WindowsArm32,
+        JavaRuntimeOS.LinuxArm32,
+        JavaRuntimeOS.LinuxArm64,
+    ]:
+        for comp in [
+            MojangJavaComponent.JreLegacy,
+            MojangJavaComponent.Alpha,
+            MojangJavaComponent.Beta,
+            MojangJavaComponent.Gamma,
+            MojangJavaComponent.GammaSnapshot,
+            MojangJavaComponent.Delta,
+        ]:
+            runtime = get_mojang_extra_java(comp, java_os)
+            if runtime != None:
+                add_java_runtime(runtime, mojang_component_to_major(comp))
+
+    writeJavas(javas=javas, uid=JAVA_MINECRAFT_COMPONENT)
+    javas = {}
+
+
+if __name__ == "__main__":
+    main()
diff --git a/meta/run/update_java.py b/meta/run/update_java.py
new file mode 100644
index 0000000000..326fb5f924
--- /dev/null
+++ b/meta/run/update_java.py
@@ -0,0 +1,158 @@
+import os
+
+from meta.common import upstream_path, ensure_upstream_dir, default_session
+from meta.common.java import (
+    BASE_DIR,
+    ADOPTIUM_DIR,
+    AZUL_DIR,
+    ADOPTIUM_VERSIONS_DIR,
+    AZUL_VERSIONS_DIR,
+)
+from meta.model.java import (
+    ADOPTIUM_API_AVAILABLE_RELEASES,
+    adoptiumAPIFeatureReleasesUrl,
+    AdoptiumImageType,
+    AdoptiumAPIFeatureReleasesQuery,
+    AdoptiumAvailableReleases,
+    AdoptiumRelease,
+    AdoptiumReleases,
+    azulApiPackagesUrl,
+    AzulApiPackagesQuery,
+    ZuluPackage,
+    ZuluPackageList,
+    AzulArchiveType,
+    AzulReleaseStatus,
+    AzulAvailabilityType,
+    AzulJavaPackageType,
+    azulApiPackageDetailUrl,
+    ZuluPackageDetail,
+    ZuluPackagesDetail,
+)
+
+UPSTREAM_DIR = upstream_path()
+
+ensure_upstream_dir(BASE_DIR)
+ensure_upstream_dir(ADOPTIUM_DIR)
+ensure_upstream_dir(AZUL_DIR)
+ensure_upstream_dir(ADOPTIUM_VERSIONS_DIR)
+ensure_upstream_dir(AZUL_VERSIONS_DIR)
+
+
+sess = default_session()
+
+
+def main():
+    print("Getting Adoptium Release Manifests ")
+    r = sess.get(ADOPTIUM_API_AVAILABLE_RELEASES)
+    r.raise_for_status()
+
+    available = AdoptiumAvailableReleases(**r.json())
+
+    available_releases_file = os.path.join(
+        UPSTREAM_DIR, ADOPTIUM_DIR, "available_releases.json"
+    )
+    available.write(available_releases_file)
+
+    for feature in available.available_releases:
+        print("Getting Manifests for Adoptium feature release:", feature)
+
+        page_size = 10
+
+        releases_for_feature: list[AdoptiumRelease] = []
+        page = 0
+        while True:
+            query = AdoptiumAPIFeatureReleasesQuery(
+                image_type=AdoptiumImageType.Jre, page_size=page_size, page=page
+            )
+            api_call = adoptiumAPIFeatureReleasesUrl(feature, query=query)
+            print("Fetching JRE Page:", page, api_call)
+            r_rls = sess.get(api_call)
+            if r_rls.status_code == 404:
+                break
+            else:
+                r_rls.raise_for_status()
+
+            releases = list(AdoptiumRelease(**rls) for rls in r_rls.json())
+            releases_for_feature.extend(releases)
+
+            if len(r_rls.json()) < page_size:
+                break
+            page += 1
+
+        print("Total Adoptium releases for feature:", len(releases_for_feature))
+        releases = AdoptiumReleases(__root__=releases_for_feature)
+        feature_file = os.path.join(
+            UPSTREAM_DIR, ADOPTIUM_VERSIONS_DIR, f"java{feature}.json"
+        )
+        releases.write(feature_file)
+
+    print("Getting Azul Release Manifests")
+    zulu_packages: list[ZuluPackage] = []
+    page = 1
+    page_size = 100
+    while True:
+
+        query = AzulApiPackagesQuery(
+            archive_type=AzulArchiveType.Zip,
+            release_status=AzulReleaseStatus.Ga,
+            availability_types=[AzulAvailabilityType.CA],
+            java_package_type=AzulJavaPackageType.Jre,
+            javafx_bundled=False,
+            latest=True,
+            page=page,
+            page_size=page_size,
+        )
+        api_call = azulApiPackagesUrl(query=query)
+
+        print("Processing Page:", page, api_call)
+
+        r = sess.get(api_call)
+        if r.status_code == 404:
+            break
+        else:
+            r.raise_for_status()
+
+        packages = list(ZuluPackage(**pkg) for pkg in r.json())
+        zulu_packages.extend(packages)
+        if len(packages) < page_size:
+            break
+        page += 1
+
+    print("Total Azul Packages:", len(zulu_packages))
+    packages = ZuluPackageList(__root__=zulu_packages)
+    azul_manifest_file = os.path.join(UPSTREAM_DIR, AZUL_DIR, "packages.json")
+    packages.write(azul_manifest_file)
+
+    azul_major_versions: dict[int, ZuluPackagesDetail] = {}
+
+    for _, pkg in packages:
+
+        major_version = pkg.java_version[0]
+        if major_version not in azul_major_versions:
+            azul_major_versions[major_version] = ZuluPackagesDetail(__root__=[])
+
+        pkg_file = os.path.join(
+            UPSTREAM_DIR, AZUL_VERSIONS_DIR, f"{pkg.package_uuid}.json"
+        )
+        if os.path.exists(pkg_file) and os.path.isfile(pkg_file):
+            pkg_detail = ZuluPackageDetail.parse_file(pkg_file)
+            azul_major_versions[major_version].append(pkg_detail)
+        else:
+
+            api_call = azulApiPackageDetailUrl(pkg.package_uuid)
+            print("Fetching Azul package manifest:", pkg.package_uuid)
+            r_pkg = sess.get(api_call)
+            r_pkg.raise_for_status()
+
+            pkg_detail = ZuluPackageDetail(**r_pkg.json())
+            pkg_detail.write(pkg_file)
+            azul_major_versions[major_version].append(pkg_detail)
+
+    for major in azul_major_versions:
+        major_file = os.path.join(UPSTREAM_DIR, AZUL_VERSIONS_DIR, f"java{major}.json")
+        azul_major_versions[major].write(major_file)
+
+
+if __name__ == "__main__":
+    main()
+#
diff --git a/meta/run/update_mojang.py b/meta/run/update_mojang.py
index defc371c1c..ddadc16e89 100755
--- a/meta/run/update_mojang.py
+++ b/meta/run/update_mojang.py
@@ -12,6 +12,7 @@ from meta.common.mojang import (
     ASSETS_DIR,
     STATIC_EXPERIMENTS_FILE,
     STATIC_OLD_SNAPSHOTS_FILE,
+    JAVA_MANIFEST_FILE,
 )
 from meta.model.mojang import (
     MojangIndexWrap,
@@ -20,6 +21,7 @@ from meta.model.mojang import (
     ExperimentIndexWrap,
     OldSnapshotIndexWrap,
     OldSnapshotIndex,
+    JavaIndex,
 )
 
 UPSTREAM_DIR = upstream_path()
@@ -81,6 +83,20 @@ def fetch_version(path, url):
     return version_json
 
 
+MOJANG_JAVA_URL = "https://piston-meta.mojang.com/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json"
+
+
+def update_javas():
+    r = sess.get(MOJANG_JAVA_URL)
+    r.raise_for_status()
+
+    remote_javas = JavaIndex(__root__=r.json())
+
+    java_manifest_path = os.path.join(UPSTREAM_DIR, JAVA_MANIFEST_FILE)
+
+    remote_javas.write(java_manifest_path)
+
+
 def fetch_version_concurrent(remote_versions, x):
     version = remote_versions.versions[x]
     print(
@@ -165,6 +181,9 @@ def main():
 
     remote_versions.index.write(version_manifest_path)
 
+    print("Getting Mojang Java runtime manfest")
+    update_javas()
+
 
 if __name__ == "__main__":
     main()