Package org.ldaptive.beans.spring

Class SpelAttributeValueMutator

  • All Implemented Interfaces:
    AttributeValueMutator
    public class SpelAttributeValueMutator
extends java.lang.Object
implements AttributeValueMutator
    Attribute mutator that uses a SPEL expression and evaluation context.
    Author:
    Middleware Services

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected org.slf4j.Logger logger
      Logger for this class.

    • Constructor Summary

      Constructors 
      Constructor Description
      SpelAttributeValueMutator​(Attribute attr, org.springframework.expression.EvaluationContext context)
      Creates a new spel attribute value mutator.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected <T> T convertValue​(java.lang.Object value, java.lang.Class<?> sourceType, java.lang.Class<T> targetType)
      Converts the supplied value to the target type.
      protected static <T> java.util.Collection<T> createCollection​(java.lang.Class<?> type, int size)
      Creates a best fit collection for the supplied type.
      java.util.Collection<byte[]> getBinaryValues​(java.lang.Object object)
      Returns the binary values of the attribute.
      java.lang.String getName()
      Returns the name of the attribute.
      java.util.Collection<java.lang.String> getStringValues​(java.lang.Object object)
      Returns the string values of the attribute.
      protected <T> java.util.Collection<T> getValues​(java.lang.Object object, java.lang.Class<T> type)
      Uses the configured expression and evaluation context to retrieve values from the supplied object.
      boolean isBinary()
      Returns whether the attribute is binary.
      void setBinaryValues​(java.lang.Object object, java.util.Collection<byte[]> values)
      Sets the binary values of the attribute.
      void setStringValues​(java.lang.Object object, java.util.Collection<java.lang.String> values)
      Sets the string values of the attribute.
      protected <T> void setValues​(java.lang.Object object, java.util.Collection<T> values, java.lang.Class<T> type)
      Uses the configured expression and evaluation context to set values on the supplied object.
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Field Detail

      • logger

        protected final org.slf4j.Logger logger
        Logger for this class.

    • Constructor Detail

      • SpelAttributeValueMutator

        public SpelAttributeValueMutator​(Attribute attr,
                                 org.springframework.expression.EvaluationContext context)
        Creates a new spel attribute value mutator.
        Parameters:
        attr - containing the SPEL configuration
        context - containing the values

    • Method Detail

      • getStringValues

        public java.util.Collection<java.lang.String> getStringValues​(java.lang.Object object)
        Description copied from interface: AttributeValueMutator
        Returns the string values of the attribute.
        Specified by:
        getStringValues in interface AttributeValueMutator
        Parameters:
        object - containing attribute values
        Returns:
        attribute values

      • getBinaryValues

        public java.util.Collection<byte[]> getBinaryValues​(java.lang.Object object)
        Description copied from interface: AttributeValueMutator
        Returns the binary values of the attribute.
        Specified by:
        getBinaryValues in interface AttributeValueMutator
        Parameters:
        object - containing attribute values
        Returns:
        attribute values

      • getValues

        protected <T> java.util.Collection<T> getValues​(java.lang.Object object,
                                                java.lang.Class<T> type)
        Uses the configured expression and evaluation context to retrieve values from the supplied object. Values are the placed in a collection and returned.
        Type Parameters:
        T - either String or byte[]
        Parameters:
        object - to get values from
        type - of objects to place in the collection
        Returns:
        values in the supplied object

      • convertValue

        protected <T> T convertValue​(java.lang.Object value,
                             java.lang.Class<?> sourceType,
                             java.lang.Class<T> targetType)
        Converts the supplied value to the target type. If a custom transcoder has been configured it is used. Otherwise the type converter from the evaluation context is used.
        Type Parameters:
        T - either String or byte[]
        Parameters:
        value - to convert
        sourceType - to convert from
        targetType - to convert to
        Returns:
        converted value

      • setStringValues

        public void setStringValues​(java.lang.Object object,
                            java.util.Collection<java.lang.String> values)
        Description copied from interface: AttributeValueMutator
        Sets the string values of the attribute.
        Specified by:
        setStringValues in interface AttributeValueMutator
        Parameters:
        object - to set values on
        values - to set

      • setBinaryValues

        public void setBinaryValues​(java.lang.Object object,
                            java.util.Collection<byte[]> values)
        Description copied from interface: AttributeValueMutator
        Sets the binary values of the attribute.
        Specified by:
        setBinaryValues in interface AttributeValueMutator
        Parameters:
        object - to set values on
        values - to set

      • setValues

        protected <T> void setValues​(java.lang.Object object,
                             java.util.Collection<T> values,
                             java.lang.Class<T> type)
        Uses the configured expression and evaluation context to set values on the supplied object. If a custom transcoder has been configured it is executed on the values before they are passed to the expression.
        Type Parameters:
        T - either String or byte[]
        Parameters:
        object - to set values on
        values - to set
        type - of objects in the collection

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • createCollection

        protected static <T> java.util.Collection<T> createCollection​(java.lang.Class<?> type,
                                                              int size)
        Creates a best fit collection for the supplied type.
        Type Parameters:
        T - collection type
        Parameters:
        type - of collection to create
        size - of the collection
        Returns:
        collection