public boolean execute(Context context) throws Exception 
{
        Object value = this.value;
        if (value == null) {
            value = context.get(getFromKey());
        }
        if (value != null) {
            context.put(getToKey(), value);
        } else {
            context.remove(getToKey());
        }
        return (false);
}

Copy a specified literal value, or a context attribute stored under the fromKey (if any), to the toKey.

 public String getFromKey() 
{
                       
    return (this.fromKey);
}

Return the context attribute key for the source attribute.

 public String getToKey() 
{
                       
    return (this.toKey);
}

Return the context attribute key for the destination attribute.

 public String getValue() 
{
                    
        return (this.value);
}

Return the literal value to be copied.

 public  void setFromKey(String fromKey) 
{
    this.fromKey = fromKey;
}

Set the context attribute key for the source attribute.

 public  void setToKey(String toKey) 
{
    this.toKey = toKey;
}

Set the context attribute key for the destination attribute.

 public  void setValue(String value) 
{
        this.value = value;
}

Set the literal value to be copied.