Microsphere Java Framework is a foundational utility library designed to serve as the backbone for the MicroSphere ecosystem README.md14-15 It provides a modular set of reusable components, advanced reflection utilities, annotation processing capabilities, and cross-version JDK compatibility tools README.md15-18
The framework is designed with modularity at its core, allowing developers to use only the specific components needed while maintaining a lightweight footprint README.md20-22 It is built on standard Java APIs and integrates with popular frameworks like Spring README.md22-23
The project follows several core design principles to ensure extensibility and robustness:
ServiceLoader or similar SPI patterns to allow custom implementations. This is reflected in the module descriptions and dependency management for various registries README.md45-55java8-16) to manage dependencies like Spring Framework versions across different JDK environments, supporting versions from JDK 8 through 17+ microsphere-java-parent/pom.xml52-64 The CI environment validates builds across JDK 8, 11, 17, 21, and 25 .github/workflows/maven-build.yml23-25@Nonnull, @Nullable, and @Immutable, which are used throughout the core library microsphere-java-core/pom.xml23-28 README.md47-48StringUtils README.md99-114microsphere-annotation-processor module to generate metadata and code at compile time, reducing runtime overhead microsphere-annotation-processor/pom.xml18-131The following diagram illustrates how the functional areas map to specific modules and key code entities within the repository.
Functional Mapping to Code Entities
Sources: README.md43-55 pom.xml57-66 microsphere-java-parent/pom.xml52-64 microsphere-annotation-processor/pom.xml18-19
The project is organized as a multi-module Maven project pom.xml57-66 It uses a hierarchical POM structure where the root aggregator manages the modules, while microsphere-java-parent provides shared plugin configurations and dependency management for the ecosystem microsphere-java-parent/pom.xml5-20
Module Dependency Graph
Sources: microsphere-java-core/pom.xml5-28 microsphere-annotation-processor/pom.xml5-35 pom.xml57-66
The project maintains a rigorous automation pipeline for building, publishing, and documenting the codebase. This includes matrix testing on multiple JDKs and automated release note generation using AI .github/workflows/maven-publish.yml86-149
Automation Workflow Mapping
Sources: .github/workflows/maven-build.yml23-25 .github/workflows/maven-publish.yml38-62 .github/workflows/wiki-publish.yml31-36 .github/workflows/merge-main-to-branches.yml12-16
Detailed technical documentation is split into the following child pages:
Covers the Maven layout in detail, including the root aggregator pom.xml2-68 the microsphere-java-parent configuration microsphere-java-parent/pom.xml1-65 and the microsphere-java-dependencies Bill of Materials (BOM). It also explains the JDK-specific profiles and GitHub Actions workflows for CI/CD, such as the wiki generation script .github/scripts/generate-wiki-docs.py1-22 and automated documentation publishing .github/workflows/wiki-publish.yml1-80
Provides a complete directory of all modules in the repository, such as microsphere-java-core (general utilities), microsphere-jdk-tools (JDK-specific helpers), and microsphere-annotation-processor (compile-time code generation) README.md45-55
Sources: pom.xml1-68 README.md1-55 microsphere-java-parent/pom.xml1-65 microsphere-java-core/pom.xml1-100 microsphere-annotation-processor/pom.xml1-133 .github/scripts/generate-wiki-docs.py1-22 .github/workflows/wiki-publish.yml1-80 .github/workflows/maven-publish.yml86-149