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https://github.com/gregorwolf/epmbp-consumer-app-java
EPM Business Partner - Consumer App - Java
https://github.com/gregorwolf/epmbp-consumer-app-java
Last synced: 11 days ago
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EPM Business Partner - Consumer App - Java
- Host: GitHub
- URL: https://github.com/gregorwolf/epmbp-consumer-app-java
- Owner: gregorwolf
- License: mit
- Created: 2020-02-21T15:13:40.000Z (over 4 years ago)
- Default Branch: main
- Last Pushed: 2023-12-21T21:58:08.000Z (11 months ago)
- Last Synced: 2024-10-11T02:35:24.474Z (28 days ago)
- Language: Java
- Size: 651 KB
- Stars: 0
- Watchers: 3
- Forks: 2
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# EPM Business Partner - Consumer App Java
This example application is still work in progress. It should demonstrate how to use a custom built OData Service with the SAP Cloud SDK for Java and the SAP Cloud Application Programming Model. And that with authentication and principal propagation. So that the service in the ABAP Backend is called not with a technical user, but with the user that was authenticated in the SAP Cloud Platform.
With the help of [Marcel Merkle](https://people.sap.com/marcelmerkle) who answered the question [JWT not recognized by xsuaa-spring-boot-starter](https://answers.sap.com/answers/12996856/view.html) the authenticated call to the Java service module is now working. The on premise backend call using the approuter also works. And thanks to the answer provided by [Alexander Duemont](https://people.sap.com/alexander.duemont) in [Principal Propagation is not working in the latest version of SAP Cloud SDK](https://stackoverflow.com/questions/60257397/principal-propagation-is-not-working-in-the-latest-version-of-sap-cloud-sdk/60449186#60449186) now also the call to the on premise backend works with principal propagation.
## Run local
To run against the local mock service [epmbp-mock-service](https://github.com/gregorwolf/epmbp-mock-service) you have to set the environment variable destinations:
```bash
#!/bin/bash
export destinations='[{name: "S4H_CC", url: "http://localhost:3000"}]'
```
The authentication data is maintained in the file **srv/src/main/resources/application.yaml**
Then execute:
`npm run setup`
Followed by:
`npm start`
## Deploy to SAP Cloud Platform - Cloud Foundry
### Prerequisite
- You have a [SAP Cloud Platform Trial account](https://hanatrial.ondemand.com/)
- The [Cloud MTA Build Tool (MBT)](https://sap.github.io/cloud-mta-build-tool/) is installed
- The [Cloud Foundry command line tool](https://docs.cloudfoundry.org/cf-cli/install-go-cli.html) is installed
- The [MultiApps CF CLI Plugin](https://github.com/cloudfoundry-incubator/multiapps-cli-plugin) is installed
- You've connected using `cf login` to your trial account
- You've connected a SAP Cloud Connector to your subaccount
- Principal Propagation is setup in the Cloud Connector to the ABAP Backend
### Preperation
Before you can deploy the application to your Cloud Foundry account two destinations must be created. Please find here what I've used in my environment:
Destination NPL used by the approuter and SAP Cloud SDK:
```
URL=http\://npl752.virtual\:44300
Name=NPL
ProxyType=OnPremise
Type=HTTP
sap-client=001
Authentication=PrincipalPropagation
```
### Build
`npm run build:cf`
### Deploy
`npm run deploy:cf`