Package org.faktorips.codegen.dthelpers

Class GregorianCalendarAsDateHelper

java.lang.Object
org.faktorips.codegen.dthelpers.AbstractDatatypeHelper
org.faktorips.codegen.dthelpers.GregorianCalendarAsDateHelper
All Implemented Interfaces:
BaseDatatypeHelper<JavaCodeFragment>, DatatypeHelper
public class GregorianCalendarAsDateHelper extends AbstractDatatypeHelper
DatatypeHelper for GregorianCalendarAsDateDatatype.

  • Constructor Details

    • GregorianCalendarAsDateHelper

      public GregorianCalendarAsDateHelper()
      Constructs a new helper.

    • GregorianCalendarAsDateHelper

      public GregorianCalendarAsDateHelper(GregorianCalendarAsDateDatatype datatype)
      Constructs a new helper for the given boolean datatype.
      Throws:
      IllegalArgumentException - if datatype is null.

  • Method Details

    • getJavaClassName

      public String getJavaClassName()
      Description copied from interface: DatatypeHelper
      Returns the qualified Java class name the datatype represents.

    • newInstance

      public JavaCodeFragment newInstance(String value)
      Description copied from interface: DatatypeHelper
      Returns a JavaCodeFragment with sourcecode that creates an instance of the datatype's Java class with the given value. If the value is null the fragment's sourcecode is either the String "null" or the sourcecode to get an instance of the appropriate null object.

    • getToStringExpression

      public JavaCodeFragment getToStringExpression(String fieldName)
      Description copied from interface: DatatypeHelper
      Returns a JavaCodeFragment containing the code for converting the value (of the given field) to a string representation with respect to its data type. The String must be built so that it can be read using the valueOf-Expression. If the value is null, the toString-code will yield null as a result.

      The default implementation will call the values toString() method or return null . The default implementation for generic (extensible) data types will call the method defined using setToStringMethodName(). Custom DatatypeHelpers may override.

      Specified by:
      getToStringExpression in interface BaseDatatypeHelper<JavaCodeFragment>
      Specified by:
      getToStringExpression in interface DatatypeHelper
      Overrides:
      getToStringExpression in class AbstractDatatypeHelper
      Parameters:
      fieldName - the name of the field in the generated class that should be converted to a string
      Returns:
      a JavaCodeFragment containing the toString() code.

    • valueOfExpression

      protected JavaCodeFragment valueOfExpression(String expression)
      Description copied from class: AbstractDatatypeHelper
      This method is supposed to be overridden by subclasses.

      It is used within the newInstanceFromExpression(String) method. It returns a JavaCodeFragment with sourcecode that creates an instance of the datatype's Java class with the given expression.

      If the expression is null the fragment's sourcecode is either the String "null" or the sourcecode to get an instance of the appropriate null object. Preconditions: Expression may not be null or empty. When evaluated the expression must return a String.

      Specified by:
      valueOfExpression in class AbstractDatatypeHelper

    • newSafeCopy

      protected JavaCodeFragment newSafeCopy(String expression)
      Description copied from class: AbstractDatatypeHelper
      Helpers for immutable datatypes must override this method to create a copy of the value given in the expression.
      Overrides:
      newSafeCopy in class AbstractDatatypeHelper
      Parameters:
      expression - The expression of which you want to get the new safe copy code fragment from