Description
- Login as admin to console
- Define a connector and a resource (say resource-ldap on embedded mode).
- Create a USER mapping and map, for example, a Date attribute (say loginDate) with a string value on the resource (say street on ldap, does not matter the meaning)
- Define a JEXL transformer for that mapping row like this
value.toString().contains("T") ? value.toString().split("T")[0].replaceAll("-", "") : value
Or a Java/Groovy transformer with this beforePropagation:
public List<PlainAttrValue> beforePropagation( final Item item, final Entity entity, final List<PlainAttrValue> values) { if (values != null && !values.isEmpty()) { values.forEach(value -> { Date originalValue = value.getDateValue(); if (originalValue != null) { value.setBinaryValue(null); value.setBooleanValue(null); value.setDateValue(null); value.setDoubleValue(null); value.setLongValue(null); value.setStringValue(makeSomeChanges(values.get(0).getDateValue())); } }); } return values; }
You will notice that the value propagated is not the one changed by the transformer, sometimes (like this case) you'll get an NPE:
14:40:47.203 ERROR org.apache.syncope.core.provisioning.api.MappingManager - Expression 'loginDate' processing failed java.lang.NullPointerException: null at java.util.Calendar.setTime(Calendar.java:1770) ~[?:1.8.0_191] at java.text.SimpleDateFormat.format(SimpleDateFormat.java:943) ~[?:1.8.0_191] at java.text.SimpleDateFormat.format(SimpleDateFormat.java:936) ~[?:1.8.0_191] at java.text.DateFormat.format(DateFormat.java:345) ~[?:1.8.0_191] at org.apache.syncope.core.provisioning.api.utils.FormatUtils.format(FormatUtils.java:72) ~[syncope-core-provisioning-api-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.api.utils.FormatUtils.format(FormatUtils.java:58) ~[syncope-core-provisioning-api-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.api.utils.FormatUtils.format(FormatUtils.java:54) ~[syncope-core-provisioning-api-2.1.3.jar:2.1.3] at org.apache.syncope.core.persistence.jpa.entity.AbstractPlainAttrValue.getValueAsString(AbstractPlainAttrValue.java:233) ~[syncope-core-persistence-jpa-2.1.3.jar:2.1.3] at org.apache.syncope.core.persistence.jpa.entity.AbstractPlainAttrValue.getValueAsString(AbstractPlainAttrValue.java:273) ~[syncope-core-persistence-jpa-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.MappingManagerImpl.prepareAttr(MappingManagerImpl.java:365) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.MappingManagerImpl.prepareAttrs(MappingManagerImpl.java:178) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.apache.syncope.core.persistence.jpa.spring.DomainTransactionInterceptor.invoke(DomainTransactionInterceptor.java:60) ~[syncope-core-persistence-jpa-2.1.3.jar:2.1.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at com.sun.proxy.$Proxy632.prepareAttrs(Unknown Source) ~[?:?] at org.apache.syncope.core.provisioning.java.propagation.PropagationManagerImpl.lambda$createTasks$4(PropagationManagerImpl.java:396) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at java.util.HashMap.forEach(HashMap.java:1289) ~[?:1.8.0_191] at org.apache.syncope.core.provisioning.java.propagation.PropagationManagerImpl.createTasks(PropagationManagerImpl.java:368) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.propagation.PropagationManagerImpl.getUpdateTasks(PropagationManagerImpl.java:265) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.propagation.PropagationManagerImpl.getUserUpdateTasks(PropagationManagerImpl.java:197) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.propagation.PropagationManagerImpl.getUserUpdateTasks(PropagationManagerImpl.java:217) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.apache.syncope.core.persistence.jpa.spring.DomainTransactionInterceptor.invoke(DomainTransactionInterceptor.java:60) ~[syncope-core-persistence-jpa-2.1.3.jar:2.1.3] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at com.sun.proxy.$Proxy697.getUserUpdateTasks(Unknown Source) ~[?:?] at org.apache.syncope.core.provisioning.java.DefaultUserProvisioningManager.update(DefaultUserProvisioningManager.java:118) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at org.apache.syncope.core.provisioning.java.DefaultUserProvisioningManager.update(DefaultUserProvisioningManager.java:58) ~[syncope-core-provisioning-java-2.1.3.jar:2.1.3] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191] at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:206) ~[spring-aop-5.1.4.RELEASE.jar:5.1.4.RELEASE]