JAVA SDK Integration

It is a client java library that provides an easy way to interact with the Paytm miniapp ecosystem.

Installation Guide

Requirements

Java 1.7 or later.

Installing Mini Program SDK with maven

1. Add below maven repository to your project's POM

   <repository>
       <snapshots>
           <enabled>true</enabled>
           <updatePolicy>always</updatePolicy>
       </snapshots>
       <id>snapshots</id>
       <name>libs-snapshot</name>
       <url>https://artifactorypg.paytm.in/artifactory/libs-snapshot</url>
   </repository>

2. Add below maven dependency to your project's POM

   <dependency>
       <groupId>com.paytm</groupId>
       <artifactId>miniapp-sdk-client</artifactId>
       <version>1.0.0-SNAPSHOT</version>
   </dependency>

3. Build and install locally by executing below command

   $ mvn install

SDK code

Auth Client

// Configuring Auth client
/*To create HttpClientProperties, 4 parameters are required
        *  1. socketTimeout - Integer
        *  2. connectionTimeout - Integer
        *  3. connectionRequestTimeout - Integer
        *  4. hostUri - String
        * */
        HttpClientProperties httpClientProperties = new HttpClientProperties
            .Builder()
            .setSocketTimeout(5000)
            .setConnectionTimeout(5000)
            .setConnectionRequestTimeout(5000)
            .setHostUri("https://accounts.paytm.com")
            .build();

    OAuthClient oAuthClient = OAuthClient.getInstance(httpClientProperties,
                              "<Auth Client ID received on onboarding>", "<Auth Client Secret received on onboarding>");

// Fetch Access Token
// Create oauth token request
    OauthTokenRequest oauthTokenRequest = new OauthTokenRequest
                                                .Builder()
                                                .setCode("<Auth code received from trust login>")
                                                .build();


    try {
          HTTPServiceResponse<OauthTokenResponse> response = oauthClient.oauthToken(oauthTokenRequest, null);
        } catch (MiniAppClientException ex) {
          ErrorResponse errorResponse = ex.getError();
          Integer errorCode = ex.getErrorCode();
        }
// User Profile
// Create fetch user profile request
    UserProfileRequest userProfileRequest = new UserProfileRequest
                                                .Builder()
                                                .setScopeCode("<received from fetch access token api response: access_token>")
                                                .build();

    try {
         HTTPServiceResponse<OAuthUserProfile> response = oAuthClient.v2UserProfile(userProfileRequest);
    } catch (MiniAppClientException ex) {
        ErrorResponse errorResponse = ex.getError();
        Integer errorCode = ex.getErrorCode();
    }

Exceptions