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API Connect Proof-of-Concept Setup Instructions

Refer to APIConnect Getting Started Guide for a high-level overview of using API Connect.

This POC focuses largely on the basic workflows for an API Developer and Application Developer, without going into the more advanced features of the product.

Prereq

API Developer

Basic API Design and Publish (On Bluemix)

  • Create new API Connect service instance from the APIs option. Name it as 'apiconnect-poc'
  • Click on newly create API Connect Bluemix Service
  • Add a new Catalog with name 'poc'
  • Create a new API. A completely new API can be created from scratch, or an existing Swagger API Spec (such as financial.yaml) can be imported
  • Create a new Product to contain the API
  • Publish the Product
  • Go to 'Settings > Portal' and enable 'IBM Developer Portal' (a new portal with public URL will be provisioned for developers to access)

[Advanced - optional] Using Development Toolkit (Local)

See Toolkit Setup Documentation

Application Developer

  • Create a developer account on API Developer Portal
  • Create a new Application (Remember to take note Client ID and Secret, as it will be used later on when calling the API)
  • Explore API Products and subscribe to an API

Note: If you want to skip the below steps, you can directly use 'financial-api-client' project in this repo.

  • Create project folder for API client application

mkdir financial-api-client

cd financial-api-client

  • Generate Java project from Swagger API Spec using swagger-gen

brew install swagger-codegen

swagger-codegen generate -i financial.yaml -l java

  • Import generated project into Eclipse (General -> Projects from Folder or Archive)

  • Make the following updates to Unit Test - io.swagger.client.api.DefaultApiTest.java:

  1. Comment @Ignore annotation

  2. Populate input request:

Class: io.swagger.client.api.DefaultApiTest.java

@Test
public void transfersPostTest() throws ApiException {
    TransferInput transferInput = new TransferInput();
    transferInput.setTransferCount(98);
    Money amount = new Money();
    amount.setDollarAmount("2000");
    amount.setCurrency("CAD");
    transferInput.setAmount(amount);
    transferInput.setFromAccountId("233388932");
    transferInput.setToAccountId("928379287");
    
    
    TransferConfirmation response = api.transfersPost(transferInput);
    System.out.print("Transfer complete. Confirmation Code: " + response.getConfirmationCode());
}
  1. Update client configuration with URI and Client Authentication parameters:

Class: io.swagger.client.api.DefaultApi.java

public DefaultApi() {
    this(Configuration.getDefaultApiClient());
    apiClient.setBasePath("https://api.us.apiconnect.ibmcloud.com/jeanabrahamibmcom-sandbox/sb/v1/financial");
    apiClient.addDefaultHeader("x-ibm-client-id", "f1fba292-c9d5-4dfb-94ee-bf47166d44ae");
    apiClient.addDefaultHeader("x-ibm-client-secret", "S3jG1nL7nQ8qG8eG4fG4uL8sQ5yY2iB2rF3vS3rN7aJ8fB2iT4");
}
  • Run DefaultApiTest.java unit test