AEM LiveCycle Connector

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Adobe® Experience Manager (AEM) LiveCycle Connector enables seamless invocation of Adobe® LiveCycle® ES4 Document Services from within AEM web apps and workflows. LiveCycle provides a rich client SDK, which allows client applications to invoke LiveCycle services using Java™ APIs. AEM LiveCycle Connector simplifies using these APIs within the OSGi environment.

Getting started

You can install AEM LiveCycle Connector from the package share by performing the following steps:

  1. Download the aem-livecycle-connector package from the package share of the AEM instance.

  2. In the Package Explorer, click Install to install the package.

Once the package is installed, provide LiveCycle server details using Configuration settings in AEM Web Console.

  1. Navigate to the AEM Web Console Configuration page at: http://<serverName>:<port>/system/console/configMgr.

  2. Locate the Adobe LiveCycle Client SDK Configuration Component.

  3. Click the component to edit the configuration server URL, username, and password.

  4. Review the settings and click Save.

Although the properties are self explanatory, the important ones are as follows:

  • Server URL - URL to the LiveCycle server. If you want LiveCycle and AEM to communicate over https, start AEM with the -Djavax.net.ssl.trustStore=<path to LC keystore> option.
  • Username - Username of the account That will be used for making calls from AEM to LiveCycle. It can be any LiveCycle user who has the permissions to invoke Document Services.
  • Password - User password.
  • Service Name - Services that should be invoked using the user credentials provided in Username and Password fields. By default, no credentials are passed while invoking LiveCycle services.

Invoking Document Services

Client applications can programmatically invoke LiveCycle services using a Java API, web services, Remoting, and REST. For Java clients, the application can make use of the LiveCycle SDK, which provides a Java API for invoking these services remotely. For example, to convert an Microsoft® Word Document to PDF, the client needs to invoke GeneratePDFService. The invocation flow consists of the following steps:

  1. Create a ServiceClientFactory instance.

  2. Each service provides a client class. Depending on the service to be invoked, the respective client instance needs to be created.

  3. Invoke the service.

  4. Process the result.

AEM LiveCycle Connector simplifies this flow by exposing these client instances as OSGi services that can be accessed using standard OSGi means. At a high level, it provides the following features: 
  • Client instances as OSGi Service - The clients packaged as OSGI bundles are listed in the Document Services list section. Each client jar in turn registers the client instance as OSGi service with the OSGi Service Registry.
  • User Credential Propagation - The connection details required to connect to LiveCycle server are now managed at a central place.
  • ServiceClientFactory Service - Client application can still access the ServiceClientFactory instance if they need to invoke processes.

Invoking via Service References from OSGi Service Registry

To invoke an exposed service from within AEM, perform the following steps:

  1. Determine maven dependencies.

    Add dependency to the required client jar in your maven pom.xml. At a minimum, you need to add dependency to adobe-livecycle-client and adobe-usermanager-client jars.

    <dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-livecycle-client</artifactId>
  <version>11.0.0</version>
</dependency>
<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-usermanager-client</artifactId>
  <version>11.0.0</version>
</dependency>
<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-cq-integration-api</artifactId>
  <version>11.0.0</version>
</dependency>

    Now depending on the service to be invoked add the corresponding Maven dependency as per table below (Refer section Document Service List). For example for Generate PDF add following dependency

    <dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-generatepdf-client</artifactId>
  <version>11.0.0</version>
</dependency>

  2. Obtain the service reference.

    Get a handle to the service instance. If you are writing a Java class, you can use the Declarative Services annotations.

    import com.adobe.livecycle.generatepdf.client.GeneratePdfServiceClient;
import com.adobe.livecycle.generatepdf.client.CreatePDFResult;
import com.adobe.idp.Document;
 
@Reference
GeneratePdfServiceClient generatePDF;
...
 
Resource r = resourceResolver.getResource("/path/tp/docx");
Document sourceDoc = new Document(r.adaptTo(InputStream.class));
CreatePDFResult result = generatePDF.createPDF2(
                    sourceDoc,
                    extension, //inputFileExtension
                    null, //fileTypeSettings
                    null, //pdfSettings
                    null, //securitySettings
                    settingsDoc, //settingsDoc
                    null //xmpDoc
            );

    In the code snippet above, we invoke the createPDF API of GeneratePdfServiceClient to convert a document to PDF. It implements the same logic as explained in the quickstart example.

    You can perform the same invocation in a JSP using the following code. The main difference here is the way we get access to GeneratePdfServiceClient using the Sling ScriptHelper

    <%@ page import="com.adobe.livecycle.generatepdf.client.GeneratePdfServiceClient" %>
<%@ page import="com.adobe.livecycle.generatepdf.client.CreatePDFResult" %>
<%@ page import="com.adobe.idp.Document" %>
 
GeneratePdfServiceClient generatePDF = sling.getService(GeneratePdfServiceClient.class);
Document sourceDoc = ...
CreatePDFResult result = generatePDF.createPDF2(
                    sourceDoc,
                    extension, //inputFileExtension
                    null, //fileTypeSettings
                    null, //pdfSettings
                    null, //securitySettings
                    settingsDoc, //settingsDoc
                    null //xmpDoc
            );

Sample package

You can download and use the following sample package for converting a Microsoft Word document to PDF.

Descargar

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aem-lc-connector-sample-pkg-1.0.0.zip

Perform the following steps to use the sample package:

  1. Click aem-lc-connector-sample-pkg-1.0.0.zip file to download the sample package.
  2. Upload and install the attached package in AEM.
  3. To convert a Microsoft Word document to pdf, go to http://<hostname>:<port>/content/livecycle/connector/samples/convertdoc-toPDF.html.
  4. Choose the file to convert to PDF and click Convert.
  5. To browse through the code for this service using CRXDE Lite, navigate to apps/livecycle/connector/samples/pdfg/POST.jsp.

Invoking via ServiceClientFactory

In some cases like invoking process, client logic will require to access the ServiceClientFactory.

import com.adobe.livecycle.dsc.clientsdk.ServiceClientFactoryProvider;
import com.adobe.idp.dsc.clientsdk.ServiceClientFactory;
 
@Reference
ServiceClientFactoryProvider scfProvider;
 
...
ServiceClientFactory scf = scfProvider.getDefaultServiceClientFactory();
...

RunAs support

Most of the Document Services in LiveCycle require authentication. It is possible to invoke these services without providing explicit credentials in the code. You can use any of the following options.

Whitelist configuration

LiveCycle Client SDK configuration contains a setting about service names. This is a list of services for which the invocation logic uses administrator credential (part of same configuration) out of the box. For example, if you add DirectoryManager services (part of User Management API) to this list, any client code can directly use the service and the invocation layer automatically passes on the configured credentials as part of the request sent to LiveCycle server

RunAsManager

As part of the integration, a new service RunAsManager is provided. It allows you to programmatically control credential to be used when making call to LiveCycle server.

import com.adobe.livecycle.dsc.clientsdk.security.PasswordCredential;
import com.adobe.livecycle.dsc.clientsdk.security.PrivilegedAction;
import com.adobe.livecycle.dsc.clientsdk.security.RunAsManager;
import com.adobe.idp.dsc.registry.component.ComponentRegistry;
  
@Reference
private RunAsManager runAsManager;
  
List<Component> components = runAsManager.doPrivileged(new PrivilegedAction<List<Component>>() {
            public List<Component> run() {
                return componentRegistry.getComponents();
            }
        });
assertNotNull(components);

If you want to pass different credential, you can use the overloaded method that takes a PasswordCredential instance.

PasswordCredential credential = new PasswordCredential("administrator","password");
List<Component> components = runAsManager.doPrivileged(new PrivilegedAction<List<Component>>() {
    public List<Component> run() {
        return componentRegistry.getComponents();
    }
},credential);

InvocationRequest property

If you are invoking a process or making direct use of ServiceClientFactory and creating an InvocationRequest, you can specify a property to indicate that invocation layer should use configured credentials.

import com.adobe.idp.dsc.InvocationResponse
import com.adobe.idp.dsc.InvocationRequest
import com.adobe.livecycle.dsc.clientsdk.ServiceClientFactoryProvider
import com.adobe.idp.dsc.clientsdk.ServiceClientFactory
import com.adobe.livecycle.dsc.clientsdk.InvocationProperties
   
ServiceClientFactoryProvider scfp = sling.getService(ServiceClientFactoryProvider.class)
ServiceClientFactory serviceClientFactory = scfp.getDefaultServiceClientFactory()
InvocationRequest ir = serviceClientFactory.createInvocationRequest("sample/LetterSubmissionProcess", "invoke", new HashMap(), true);
  
//Here we are invoking the request with system user
ir.setProperty(InvocationProperties.INVOKER_TYPE,InvocationProperties.INVOKER_TYPE_SYSTEM)
   
InvocationResponse response = serviceClientFactory.getServiceClient().invoke(ir);

Document Services list

Adobe LiveCycle Client SDK API bundle


Services exposed:

  • com.adobe.idp.um.api.AuthenticationManager
  • com.adobe.idp.um.api.DirectoryManager
  • com.adobe.idp.um.api.AuthorizationManager
  • com.adobe.idp.dsc.registry.service.ServiceRegistry
  • com.adobe.idp.dsc.registry.component.ComponentRegistry

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-livecycle-client</artifactId>
  <version>11.0.0</version>
</dependency>
<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-usermanager-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Client SDK Bundle


Services exposed:

  • com.adobe.livecycle.dsc.clientsdk.security.RunAsManager
  • com.adobe.livecycle.dsc.clientsdk.ServiceClientFactoryProvider

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-livecycle-cq-integration-api</artifactId>
  <version>1.1.10</version>
</dependency>

Adobe LiveCycle TaskManager Client bundle


Services exposed:

  • com.adobe.idp.taskmanager.dsc.client.task.TaskManager
  • com.adobe.idp.taskmanager.dsc.client.TaskManagerQueryService
  • com.adobe.idp.taskmanager.dsc.client.queuemanager.QueueManager
  • com.adobe.idp.taskmanager.dsc.client.emailsettings.EmailSettingService
  • com.adobe.idp.taskmanager.dsc.client.endpoint.TaskManagerEndpointClient
  • com.adobe.idp.taskmanager.dsc.client.userlist.UserlistService

Maven dependencies:


<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-taskmanager-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Workflow Client Bundle


Services exposed:

  • com.adobe.idp.workflow.client.WorkflowServiceClient

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-workflow-client-sdk</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle PDF Generator Client bundle


Services exposed:

  • com.adobe.livecycle.generatepdf.client.GeneratePdfServiceClient

Maven dependencies:


<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-generatepdf-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Application Manager Client bundle


Services exposed:

  • com.adobe.idp.applicationmanager.service.ApplicationManager
  • com.adobe.livecycle.applicationmanager.client.ApplicationManager
  • com.adobe.livecycle.design.service.DesigntimeService

Maven dependencies:


<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-applicationmanager-client-sdk</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Assembler Client bundle


Services exposed:

  • com.adobe.livecycle.assembler.client.AssemblerServiceClient

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-assembler-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Form Data Integration Client bundle


Services exposed:

  • com.adobe.livecycle.formdataintegration.client.FormDataIntegrationClient

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-formdataintegration-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Forms Client bundle


Services exposed:

  • com.adobe.livecycle.formsservice.client.FormsServiceClient

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-forms-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Output Client bundle


Services exposed:

  • com.adobe.livecycle.output.client.OutputClient

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-output-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Reader Extensions Client bundle


Services exposed:

  • com.adobe.livecycle.readerextensions.client.ReaderExtensionsServiceClient   

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-reader-extensions-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Rights Manager Client bundle


Services exposed:

  • com.adobe.livecycle.rightsmanagement.client.DocumentManager
  • com.adobe.livecycle.rightsmanagement.client.EventManager
  • com.adobe.livecycle.rightsmanagement.client.ExternalUserManager
  • com.adobe.livecycle.rightsmanagement.client.LicenseManager
  • com.adobe.livecycle.rightsmanagement.client.WatermarkManager
  • com.adobe.livecycle.rightsmanagement.client.PolicyManager
  • com.adobe.livecycle.rightsmanagement.client.AbstractPolicyManager

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-rightsmanagement-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Signatures Client bundle


Services exposed:

  • com.adobe.livecycle.signatures.client.SignatureServiceClientInterface

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-signatures-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Truststore Client bundle


Services exposed:

  • com.adobe.truststore.dsc.TrustConfigurationService
  • com.adobe.truststore.dsc.CRLService
  • com.adobe.truststore.dsc.CredentialService
  • com.adobe.truststore.dsc.CertificateService

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-truststore-client</artifactId>
  <version>11.0.0</version>
</dependency>

Adobe LiveCycle Repository Client bundle


Services exposed:

  • com.adobe.repository.bindings.ResourceRepository
  • com.adobe.repository.bindings.ResourceSynchronizer

Maven dependencies:

<dependency>
  <groupId>com.adobe.livecycle</groupId>
  <artifactId>adobe-repository-client</artifactId>
  <version>11.0.0</version>
</dependency>

Resources

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