Use image data when recreating databases for testing.

[online-glom:gwt-glom.git] / src / main / java / org / glom / web / shared / DataItem.java

/*
 * Copyright (C) 2011 Openismus GmbH
 *
 * This file is part of GWT-Glom.
 *
 * GWT-Glom is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * GWT-Glom is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWT-Glom.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.glom.web.shared;

import java.io.Serializable;
import java.util.Date;

import org.glom.web.shared.libglom.Field;

/**
 * This Data Transfer Object (DTO) is used to send a data item between the client and the server.
 * 
 */
@SuppressWarnings("serial")
public class DataItem implements Serializable {

        private String text;
        private boolean bool;
        private double number;
        private Date date;
        private byte[] imageData; //This is only used locally to recreate database data.
        private String imageDataUrl; //This is for use as an <img> or GWT Image URL.

        // TODO: Time

        public DataItem() {
        }

        public String getText() {
                return text;
        }

        public void setText(final String text) {
                this.text = text;
        }

        public boolean getBoolean() {
                return bool;
        }

        public void setBoolean(final boolean bool) {
                this.bool = bool;
        }

        public double getNumber() {
                return number;
        }

        public void setNumber(final double number) {
                this.number = number;
        }

        public Date getDate() {
                return date;
        }

        public void setDate(final Date date) {
                this.date = date;
        }
        
        /** This is not used in DataItem instances that are passed from the server to the client.
         * This is only used locally to recreate database data.
         * @param bytes
         */
        public void setImageData(final byte[] imageData) {
                this.imageData = imageData;
        }
        
        public byte[] getImageData() {
                return imageData;
        }

        public String getImageDataUrl() {
                return imageDataUrl;
                //For testing: return "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
        }

        public void setImageDataUrl(final String image) {
                this.imageDataUrl = image;
        }

        /** This is used by SelfHoster to get data for a database column.
         * 
         * @param type The expected type of the data.
         * @return The data.
         */
        public Object getValue(final Field.GlomFieldType type) {
                switch (type) {
                case TYPE_BOOLEAN:
                        return getBoolean();
                case TYPE_IMAGE:
                        return getImageData(); //getImageDataUrl() is for use on the client side only.
                case TYPE_NUMERIC:
                        return getNumber();
                case TYPE_TEXT:
                        return getText();
                        // TODO: case TYPE_TIME;
                        // return getTime();
                default:
                        return null;
                }
        }

}