OIM API For Custom Access Pre Process Handler sample

1. package com.oimacademy.provision;
2. import java.io.Serializable;
3. import java.util.Calendar;
4. import java.util.Date;
5. import java.util.GregorianCalendar;
6. import java.util.HashMap;
7. import oracle.iam.platform.Platform;
8. import oracle.iam.platform.kernel.ValidationException;
9. import oracle.iam.platform.kernel.ValidationFailedException;
10. import oracle.iam.platform.kernel.spi.ConditionalEventHandler;
11. import oracle.iam.platform.kernel.spi.PreProcessHandler;
12. import oracle.iam.platform.kernel.vo.AbstractGenericOrchestration;
13. import oracle.iam.platform.kernel.vo.BulkEventResult;
14. import oracle.iam.platform.kernel.vo.BulkOrchestration;
15. import oracle.iam.platform.kernel.vo.EventResult;
16. import oracle.iam.platform.kernel.vo.Orchestration;
17. import oracle.iam.provisioning.api.ApplicationInstanceService;
18. import oracle.iam.provisioning.util.Constants;
19. import oracle.iam.provisioning.vo.ApplicationInstance;
20. import oracle.iam.provisioning.vo.Entitlement;
21. 
    
22. public class AccessPreProcessHandler implements PreProcessHandler, ConditionalEventHandler {
23.  String handlerName;
24.  String _appInstName;
25.  private void log(String msg) {
26.   System.out.println("[***" +handlerName+ "***]" + msg);
27.  }
28.  @Override
29.  public void initialize(HashMap<String, String> arg0) {
30.   handlerName = getClass().getSimpleName();
31.  } 
32.  private boolean checkIfApplicable(AbstractGenericOrchestration orchn){
33.   String appInstName;
34.   appInstName = getAppInstanceName(orchn);
35.   if(appInstName == null) 
36.    return false;
37.   _appInstName = appInstName;
38.   log("Enhanced check: AppInstName [" + appInstName + "] is configured for BreakGlass");
39.   return true;
40.  }
41.  private String getAppInstanceName(AbstractGenericOrchestration orchn) {
42.   HashMap<String, Serializable> orchParams = orchn.getParameters();
43.   String appInstanceId = (String)orchParams.get(Constants.ORCH_PARAM_APPINSTANCE_KEY);
44.   ApplicationInstance appInst = getApplicationInstance(appInstanceId);
45.   if(appInst == null) 
46.    return null;
47.   log("App instance name for this ENT is: " + appInst.getApplicationInstanceName());
48.   return appInst.getApplicationInstanceName();
49.  }
50.  private ApplicationInstance getApplicationInstance(String appInstanceId){
51.   ApplicationInstance ai = null;
52.   try {
53.    ApplicationInstanceService aiService = getService(ApplicationInstanceService.class);
54.    if(aiService == null) 
55.     return null;
56.    if (appInstanceId != null) {
57.     ai = aiService.findApplicationInstanceByKey(new Long(appInstanceId)); 
58.    }
59.   } catch (Exception e) {
60.    log("Exception getting AppInst based on Id: " + appInstanceId + ". Error: " + e);
61.   }
62.   return ai;
63.  }
64.  @Override
65.  public boolean isApplicable(AbstractGenericOrchestration orchn) {
66.   return checkIfApplicable(orchn);
67.  }
68.  @Override
69.  public boolean cancel(long arg0, long arg1,
70.    AbstractGenericOrchestration arg2) {
71.   return false;
72.  }
73.  @Override
74.  public void compensate(long arg0, long arg1,
75.    AbstractGenericOrchestration arg2) {
76.  }
77.  @Override
78.  public EventResult execute(long processId, long eventId, Orchestration orchestration) throws ValidationException, ValidationFailedException {
79.   try {
80.    log("In execute()");
81.    if(!checkIfApplicable(orchestration))
82.     return new EventResult();   
83.    HashMap<String, Serializable> orchParams = orchestration.getParameters();
84.    Entitlement entitlement = (Entitlement) orchParams.get(Constants.ORCH_PARAM_ENTITLEMENT);
85.    String entitlementDisplayName = entitlement.getEntitlementValue();
86.    String beneficiaryKey = (String) orchParams.get(Constants.ORCH_PARAM_BENEFICIARY_KEY);
87.    HashMap orchParamsChildDataMap = (HashMap)orchParams.get(Constants.ORCH_PARAM_CHILD_DATA);
88.    String mins = "15";
89.    if(mins == null) {
90.     log(entitlementDisplayName + " is setup without prefixing AppInstName tilde. Pls check.");
91.     return new EventResult();
92.    }
93.    Date endDate = getEntitlementEndDate(mins);
94.    log("Benefeciary: " + beneficiaryKey);
95.    log("Entitlement assigned: " + entitlementDisplayName);
96.    log("Entitlement END DATE is set to value:  " + endDate);
97.    orchParamsChildDataMap.put("endDate", endDate);
98.    return new EventResult();
99.   } catch (Exception exc) {
100.    return new EventResult();
101.   }
102.  } 
103.  private Date getEntitlementEndDate(String minsToRevoke){
104.   int mins = Integer.parseInt(minsToRevoke);
105.   Calendar calender = new GregorianCalendar();
106.   log("GENERIC CODE - CURRENT DATE: " + calender.getTime());
107.   calender.add(Calendar.MINUTE, mins);
108.   return calender.getTime();  
109.  }
110.  private <T> T getService(Class<T> serviceClass) {
111.   return Platform.getService(serviceClass);
112.  }
113.  @Override
114.  public BulkEventResult execute(long arg0, long arg1, BulkOrchestration arg2) {
115.   log("REQUEST CAME IN BULK ORCHESTRATION. NUMBER OF REQUEST PARAMS ARE: " + arg2.getBulkParameters().length);
116.   return new BulkEventResult();
117.  } 
118. }