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PAYMILL icon

paymill-java

Java wrapper for PAYMILL API

Build Status Dependency Status

Getting started

  • If you are not familiar with PAYMILL, start with the documentation.
  • Install the latest release.
  • Check the API reference.
  • Check the full JavaDoc documentation.
  • Check the tests.

Installation

<dependency>
  <groupId>com.paymill</groupId>
  <artifactId>paymill-java</artifactId>
  <version>4.0.0</version>
</dependency>

What's new

We have released version 4, which follows version 2.1 of the PAYMILL's REST API. This version is not backwards compatible with version 3, which follows version 2.0 of the PAYMILL's REST API. Concrete changes in the changelog.

Usage

Initialize the library by providing your api key:

  PaymillContext paymillContext = new PaymillContext( "<YOUR PRIVATE API KEY>" );

PaymillContecxt loads the context of PAYMILL for a single account, by providing a merchants private key. It creates 8 services, which represents the PAYMILL API:

  • ClientService
  • OfferService
  • PaymentService
  • PreauthorizationService
  • RefundService
  • SubscriptionService
  • TransactionService
  • WebhookService

These services should not be created directly. They have to be obtained by the context's accessors.

To run the tests:

  mvn -DapiKey=<YOUR_PRIVATE_API_KEY> test

Using services

In all cases, you'll use the predefined service classes to access the PAYMILL API.

To fetch a service instance, call service name accessor from paymillContext, like

  ClientService clientService = paymillContext.getClientService();

Every service instance provides basic methods for CRUD functionality.

Creating objects

Every service provides instance factory methods for creation. They are very different for every service, because every object can be created in a different way. The common pattern is

  xxxService.createXXX( params... );

For example: client can be created with two optional parameters: email and description. So we have four possible methods to create the client:

  • clientService.create() - creates a client without email and description
  • clientService.createWithEmail( "john.rambo@paymill.com" ) - creates a client with email
  • clientService.createWithDescription( "CRM Id: fake_34212" ) - creates a client with description
  • clientService.createWithEmailAndDescription( "john.rambo@paymill.com", "CRM Id: fake_34212" ) - creates a client with email and description

Retrieving objects

You can retrieve an object by using the get() method with an object id:

  Client client = clientService.get( "client_12345" );

or with the instance itself, which also refreshes it:

  clientService.get( client );

This method throws an ApiException if there is no client under the given id.

Important: If you use a nested object (e.g. paymet = transaction.getClient().getPayments().get(0) ) you should always "refresh", as the nested object will contain only the id, and all other properties will be null.

Retrieving lists

To retrieve a list you may simply use the list() method:

  PaymillList<Client> clients = clientService.list();

You may provide a filter and order to list method:

  PaymillList<Client> clients =
    clientService.list(
      Client.createFilter().byEmail( "john.rambo@paymill.com" ),
      Client.createOrder().byCreatedAt().desc()
    );

This will load only clients with email john.rambo@paymill.com, order descending by creation date.

Updating objects

In order to update an object simply call a service's update() method:

  clientServive.update( client );

The update method also refreshes the the given instance. For example: If you changed the value of 'createdAt' locally and pass the instance to the update() method, it will be refreshed with the data from PAYMILL. Because 'createdAt' is not updateable field your change will be lost.

Deleting objects

You may delete objects by calling the service's delete() method with an object instance or object id.

  clientService.delete( "client_12345" );

or

  clientService.delete( client );

Spring integration

This example is suitable if you use this wrapper for a single account.

Defines the PAYMILL context in Spring context.

<bean id="paymillContext" class="com.paymill.context.PaymillContext">
  <constructor-arg value="<YOUR PRIVATE API KEY>" />
</bean>

Defines custom Controller, which uses PAYMILL ClientService internaly. Note that the setter receives paymillContext.

<bean id="clientController" class="com.yourpackage.ClientController">
  <property name="clientService" ref="paymillContext" />
</bean>

The ClientController class itself. Note that the clientService property is set by getting the ClientService form the paymillContext.

public class ClientController {
  private ClientService clientService;

  public void setClientService( PaymillContext paymillContext ) {
    this.clientService = paymillContext.getClientService();
  }
}

Scala and Groovy integration

The wrapper can be used easily in Scala and Groovy projects. Note, that it depends on 3rd party libraries, thus usage with a dependecy managment tool like maven is recommended.

Scala example:

import com.paymill.context.PaymillContext

object HelloPaymill {
  def main(args: Array[String]) {
    val context = new PaymillContext("<YOUR PRIVATE API KEY>")
    val client = context.getClientService().createWithEmail("lovely-client@example.com")
    println(client.getId())
  }
}

Groovy example:

import com.paymill.context.PaymillContext

class HelloPaymill {

    public static void main(String[] args) {
        def context = new PaymillContext("<YOUR PRIVATE API KEY>")
        def client = context.getClientService().createWithEmail("lovely-client@example.com")
        println(client.getId())
    }
}

Changelog

4.0.0

  • Works with version 2.1 of PAYMILL's REST API.
  • update project dependencies

3.2.0

  • improvement: remove workaround for subscriptions without offer.
  • improvement: #23 now preauthorizations can be created with description.
  • fix: after update of the offer the PAYMILL API does not returns 0 days trial period any more.
  • update project dependencies

3.1.2

  • fix: #47 TransacionService list with filter for createdAt doesn't work.
  • fix: typo in Webhook.EventType.TRANSACTION_FAILED
  • improvement: missing enumeration value will not cause parsing error, but will be mapped to UNDEFINED
  • update project dependencies

3.1.1

  • fix in createWithOfferPaymentAndClient: now trialStart represents the timestamp in correct format.

3.1.0

  • Allow update of an offer for a subscription
  • update project dependencies

3.0.5

  • internal improvements
  • #42 add currency to fee
  • update project dependencies

3.0.4

  • #38 explicit dependency to jersey-core

3.0.3

  • update project dependencies
  • Ability to set HTTP connection timeout in milliseconds to PaymillContext constructor (infinity by default)
  • #39 fix deserialization of Subscription nextCaptureAt

3.0.2

  • fix: remove _id in names for reference types in filter parameters for list methods( eg. client_id to client )

3.0.1

  • Add "chargeback" value to Transaction.Status enum
  • Add workaround for subscription without offer. Now the lib will not throw parsing error.

3.0.0

  • Improved implementation internally, now most of the configuration uses annotations and reflection.
  • Package name changed from de.paymill to com.paymill .
  • Removed singleton Paymill object and replaced with a PaymillContext object.
  • All services are now directly accessible from PaymillContext.
  • Improved list handling. Now the list method returns a PaymillList, which also contains the dataCount. All models now contain methods to create filter and sort criteria.
  • Improved create methods. All create methods now work with arguments. Removed unnecessary fields in objects (e.g. token in Transaction).
  • Improved get, update and remove methods. Get and remove now work with both instances and IDs. Get and Update methods now work on the same instance.
  • Offer is no longer updateable for a subscription.

2.6

First maven central

License

Copyright 2013 PAYMILL GmbH.

MIT License (enclosed)

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Java wrapper for Paymill API

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