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2 merge requests!3Develop,!2Resolve "Provision of code and readme file for Service Specification exporting utility"
# Service Specification Export
```markdown
# ServiceSpecificationFetcher
## Overview
The `ServiceSpecificationFetcher` is a Java-based application designed to fetch hierarchical data from RESTful APIs. It starts with a given `ServiceSpecification` UUID and recursively retrieves related `ServiceSpecification` and `ResourceSpecification` objects, saving each as JSON files in a structured directory hierarchy. Attachments and LCM rule specifications are also fetched and saved, ensuring all related data is organized and stored appropriately.
## Getting started
## Prerequisites
To make it easy for you to get started with GitLab, here's a list of recommended next steps.
- Java 17+
- Maven
- Docker (optional, for containerized deployment)
Already a pro? Just edit this README.md and make it your own. Want to make it easy? [Use the template at the bottom](#editing-this-readme)!
## Configuration
## Add your files
The application requires a configuration file named `config.properties` with the following properties:
- [ ] [Create](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#create-a-file) or [upload](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#upload-a-file) files
- [ ] [Add files using the command line](https://docs.gitlab.com/ee/gitlab-basics/add-file.html#add-a-file-using-the-command-line) or push an existing Git repository with the following command:
```
cd existing_repo
git remote add origin https://labs.etsi.org/rep/osl/utilities/service-specification-export.git
git branch -M main
git push -uf origin main
```ini
keycloak.url=http://keycloak:8080/auth/realms/openslice/protocol/openid-connect/token
client.id=osapiWebClientId
client.secret=admin
username=admin
password=admin
sourceApiEndpoint.url=http://localhost/tmf-api
serviceSpecification.uuid=487b9377-460d-4498-a8f3-a23cd7595b06
```
## Integrate with your tools
- [ ] [Set up project integrations](https://labs.etsi.org/rep/osl/utilities/service-specification-export/-/settings/integrations)
## Collaborate with your team
- [ ] [Invite team members and collaborators](https://docs.gitlab.com/ee/user/project/members/)
- [ ] [Create a new merge request](https://docs.gitlab.com/ee/user/project/merge_requests/creating_merge_requests.html)
- [ ] [Automatically close issues from merge requests](https://docs.gitlab.com/ee/user/project/issues/managing_issues.html#closing-issues-automatically)
- [ ] [Enable merge request approvals](https://docs.gitlab.com/ee/user/project/merge_requests/approvals/)
- [ ] [Automatically merge when pipeline succeeds](https://docs.gitlab.com/ee/user/project/merge_requests/merge_when_pipeline_succeeds.html)
## Test and Deploy
## Building the Project
Use the built-in continuous integration in GitLab.
To build the project, use Maven:
- [ ] [Get started with GitLab CI/CD](https://docs.gitlab.com/ee/ci/quick_start/index.html)
- [ ] [Analyze your code for known vulnerabilities with Static Application Security Testing(SAST)](https://docs.gitlab.com/ee/user/application_security/sast/)
- [ ] [Deploy to Kubernetes, Amazon EC2, or Amazon ECS using Auto Deploy](https://docs.gitlab.com/ee/topics/autodevops/requirements.html)
- [ ] [Use pull-based deployments for improved Kubernetes management](https://docs.gitlab.com/ee/user/clusters/agent/)
- [ ] [Set up protected environments](https://docs.gitlab.com/ee/ci/environments/protected_environments.html)
```sh
mvn clean install
```
***
## Running the Project
# Editing this README
To run the project, execute the following command:
When you're ready to make this README your own, just edit this file and use the handy template below (or feel free to structure it however you want - this is just a starting point!). Thank you to [makeareadme.com](https://www.makeareadme.com/) for this template.
```sh
java -cp target/servicespecificationfetcher.jar org.osl.etsi.util.ServiceSpecificationFetcher
```
## Suggestions for a good README
Every project is different, so consider which of these sections apply to yours. The sections used in the template are suggestions for most open source projects. Also keep in mind that while a README can be too long and detailed, too long is better than too short. If you think your README is too long, consider utilizing another form of documentation rather than cutting out information.
## Docker Deployment
## Name
Choose a self-explaining name for your project.
### Building the Docker Image
## Description
Let people know what your project can do specifically. Provide context and add a link to any reference visitors might be unfamiliar with. A list of Features or a Background subsection can also be added here. If there are alternatives to your project, this is a good place to list differentiating factors.
To build the Docker image, use the following command:
## Badges
On some READMEs, you may see small images that convey metadata, such as whether or not all the tests are passing for the project. You can use Shields to add some to your README. Many services also have instructions for adding a badge.
```sh
docker build -t servicespecificationfetcher .
```
## Visuals
Depending on what you are making, it can be a good idea to include screenshots or even a video (you'll frequently see GIFs rather than actual videos). Tools like ttygif can help, but check out Asciinema for a more sophisticated method.
### Running the Docker Container
## Installation
Within a particular ecosystem, there may be a common way of installing things, such as using Yarn, NuGet, or Homebrew. However, consider the possibility that whoever is reading your README is a novice and would like more guidance. Listing specific steps helps remove ambiguity and gets people to using your project as quickly as possible. If it only runs in a specific context like a particular programming language version or operating system or has dependencies that have to be installed manually, also add a Requirements subsection.
To run the Docker container, use the following command, ensuring to mount the configuration file and data folder:
## Usage
Use examples liberally, and show the expected output if you can. It's helpful to have inline the smallest example of usage that you can demonstrate, while providing links to more sophisticated examples if they are too long to reasonably include in the README.
```sh
docker run -v /local/path/to/config.properties:/app/config.properties -v /local/path/to/your-data-folder:/app/data-folder servicespecificationfetcher uuid
## Support
Tell people where they can go to for help. It can be any combination of an issue tracker, a chat room, an email address, etc.
docker run -v C:\openslice\servicespecificationfetcher\src\main\resources\config.properties:/app/config.properties -v C:\openslice\servicespecificationfetcher:/app/data-folder servicespecificationfetcher f51cb185-6663-49e8-b195-83deeae32eed
```
## Roadmap
If you have ideas for releases in the future, it is a good idea to list them in the README.
## File Hierarchy Structure
## Contributing
State if you are open to contributions and what your requirements are for accepting them.
The fetched data is saved in a structured directory hierarchy as follows:
For people who want to make changes to your project, it's helpful to have some documentation on how to get started. Perhaps there is a script that they should run or some environment variables that they need to set. Make these steps explicit. These instructions could also be useful to your future self.
```
root_directory/
├── serviceSpecificationId1/
│ ├── serviceSpecificationId1.json
│ ├── serviceSpecificationLcmRules/
│ │ ├── ruleId1.json
│ │ ├── ruleId2.json
│ │ └── ...
│ ├── serviceSpecificationServiceRelationships/
│ │ ├── relatedServiceSpecificationId1/
│ │ │ ├── relatedServiceSpecificationId1.json
│ │ │ ├── ...
│ │ └── ...
│ ├── serviceSpecificationResourceRelationships/
│ │ ├── relatedResourceSpecificationId1/
│ │ │ ├── relatedResourceSpecificationId1.json
│ │ │ ├── ...
│ │ └── ...
│ ├── attachments/
│ │ ├── attachment1.ext
│ │ ├── attachment2.ext
│ │ └── ...
│ └── ...
├── serviceSpecificationId2/
│ ├── serviceSpecificationId2.json
│ ├── ...
└── ...
```
You can also document commands to lint the code or run tests. These steps help to ensure high code quality and reduce the likelihood that the changes inadvertently break something. Having instructions for running tests is especially helpful if it requires external setup, such as starting a Selenium server for testing in a browser.
## Error Handling & Logging
## Authors and acknowledgment
Show your appreciation to those who have contributed to the project.
- **HTTP Errors**: An `IOException` is thrown for non-200 HTTP status codes.
- **JSON Parsing Errors**: Errors are caught and printed to the console.
- **Logging**: `System.out.println` is used for logging.
## License
For open source projects, say how it is licensed.
## Project status
If you have run out of energy or time for your project, put a note at the top of the README saying that development has slowed down or stopped completely. Someone may choose to fork your project or volunteer to step in as a maintainer or owner, allowing your project to keep going. You can also make an explicit request for maintainers.
This project is licensed under the Apache Version 2.0 License.
```
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