Package de.odysseus.el

Class ObjectValueExpression

  • All Implemented Interfaces:
    java.io.Serializable
    public final class ObjectValueExpression
extends javax.el.ValueExpression
    Object wrapper expression.
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      ObjectValueExpression​(TypeConverter converter, java.lang.Object object, java.lang.Class<?> type)
      Wrap an object into a value expression.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)
      Two object value expressions are equal if and only if their wrapped objects are equal.
      java.lang.Class<?> getExpectedType()  
      java.lang.String getExpressionString()
      Answer null.
      java.lang.Class<?> getType​(javax.el.ELContext context)
      Answer null.
      java.lang.Object getValue​(javax.el.ELContext context)
      Answer the wrapped object, coerced to the expected type.
      int hashCode()  
      boolean isLiteralText()
      Answer false.
      boolean isReadOnly​(javax.el.ELContext context)
      Answer true.
      void setValue​(javax.el.ELContext context, java.lang.Object value)
      Throw an exception.
      java.lang.String toString()  

      • Methods inherited from class javax.el.ValueExpression

        getValueReference

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • object

        private final java.lang.Object object

      • type

        private final java.lang.Class<?> type

    • Constructor Detail

      • ObjectValueExpression

        public ObjectValueExpression​(TypeConverter converter,
                             java.lang.Object object,
                             java.lang.Class<?> type)
        Wrap an object into a value expression.
        Parameters:
        converter - type converter
        object - the object to wrap
        type - the expected type this object will be coerced in getValue(ELContext).

    • Method Detail

      • equals

        public boolean equals​(java.lang.Object obj)
        Two object value expressions are equal if and only if their wrapped objects are equal.
        Specified by:
        equals in class javax.el.Expression

      • hashCode

        public int hashCode()
        Specified by:
        hashCode in class javax.el.Expression

      • getValue

        public java.lang.Object getValue​(javax.el.ELContext context)
        Answer the wrapped object, coerced to the expected type.
        Specified by:
        getValue in class javax.el.ValueExpression

      • getExpressionString

        public java.lang.String getExpressionString()
        Answer null.
        Specified by:
        getExpressionString in class javax.el.Expression

      • isLiteralText

        public boolean isLiteralText()
        Answer false.
        Specified by:
        isLiteralText in class javax.el.Expression

      • getType

        public java.lang.Class<?> getType​(javax.el.ELContext context)
        Answer null.
        Specified by:
        getType in class javax.el.ValueExpression

      • isReadOnly

        public boolean isReadOnly​(javax.el.ELContext context)
        Answer true.
        Specified by:
        isReadOnly in class javax.el.ValueExpression

      • setValue

        public void setValue​(javax.el.ELContext context,
                     java.lang.Object value)
        Throw an exception.
        Specified by:
        setValue in class javax.el.ValueExpression

      • toString

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

      • getExpectedType

        public java.lang.Class<?> getExpectedType()
        Specified by:
        getExpectedType in class javax.el.ValueExpression