org.eclipse.dirigible.api.v3.utils.QRCodeFacade Maven / Gradle / Ivy
/*
* Copyright (c) 2021 SAP SE or an SAP affiliate company and Eclipse Dirigible contributors
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* SPDX-FileCopyrightText: 2021 SAP SE or an SAP affiliate company and Eclipse Dirigible contributors
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.dirigible.api.v3.utils;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
public class QRCodeFacade {
public static final byte[] generateQRCode(String text) throws WriterException, IOException {
QRCodeWriter qrCodeWriter = new QRCodeWriter();
BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, 300, 300);
ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream();
MatrixToImageWriter.writeToStream(bitMatrix, "PNG", pngOutputStream);
return pngOutputStream.toByteArray();
}
}
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