1 /* 2 * Copyright (c) 2022-2023. Roland T. Lichti, Kaiserpfalz EDV-Service. 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18 package de.kaiserpfalzedv.commons.api.resources; 19 20 import com.fasterxml.jackson.annotation.JsonIgnore; 21 import de.kaiserpfalzedv.commons.api.BaseWrappedException; 22 23 import java.io.ByteArrayOutputStream; 24 import java.io.IOException; 25 import java.io.OutputStream; 26 27 /** 28 * HasAvatar -- This resource has an avatar (image). 29 * 30 * @author klenkes74 {@literal <rlichti@kaiserpfalz-edv.de>} 31 * @since 0.1.0 2021-04-07 32 */ 33 public interface HasData { 34 byte[] getData(); 35 36 @JsonIgnore 37 default OutputStream getDataStream() { 38 byte[] data = getData(); 39 if (data != null) { 40 OutputStream result = new ByteArrayOutputStream(); 41 try { 42 result.write(data); 43 } catch (IOException e) { 44 throw new BaseWrappedException(e); 45 } 46 47 return result; 48 } else { 49 return null; 50 } 51 } 52 }