OidHandler.java

package org.akaza.openclinica.bean.rule;

import org.akaza.openclinica.exception.OpenClinicaSystemException;
import org.exolab.castor.mapping.GeneralizedFieldHandler;

/**
 * The FieldHandler for the Date class
 *
 */
public class OidHandler extends GeneralizedFieldHandler {

    /**
     * Creates a new MyDateHandler instance
     */
    public OidHandler() {
        super();
    }

    /**
     * This method is used to convert the value when the
     * getValue method is called. The getValue method will
     * obtain the actual field value from given 'parent' object.
     * This convert method is then invoked with the field's
     * value. The value returned from this method will be
     * the actual value returned by getValue method.
     *
     * @param value the object value to convert after
     *  performing a get operation
     * @return the converted value.
     */
    @Override
    public Object convertUponGet(Object value) {
        return value;
    }

    /**
     * This method is used to convert the value when the
     * setValue method is called. The setValue method will
     * call this method to obtain the converted value.
     * The converted value will then be used as the value to
     * set for the field.
     *
     * @param value the object value to convert before
     *  performing a set operation
     * @return the converted value.
     */
    @Override
    public Object convertUponSet(Object value) {

        String[] oids = ((String) value).split(",");
        if (oids.length == 0) {
            throw new OpenClinicaSystemException(" OIDs cannot be empty. ");
        }
        return value;
    }

    /**
     * Returns the class type for the field that this
     * GeneralizedFieldHandler converts to and from. This
     * should be the type that is used in the
     * object model.
     *
     * @return the class type of of the field
     */
    @Override
    public Class getFieldType() {
        return String.class;
    }

    /**
     * Creates a new instance of the object described by
     * this field.
     *
     * @param parent The object for which the field is created
     * @return A new instance of the field's value
     * @throws IllegalStateException This field is a simple
     *  type and cannot be instantiated
     */
    @Override
    public Object newInstance(Object parent) throws IllegalStateException {
        // -- Since it's marked as a string...just return null,
        // -- it's not needed.
        return null;
    }

}