2 * Copyright 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing;
19 import com.google.zxing.common.ByteMatrix;
20 import com.google.zxing.oned.EAN13Writer;
21 import com.google.zxing.oned.EAN8Writer;
22 import com.google.zxing.qrcode.QRCodeWriter;
24 import java.util.Hashtable;
27 * This is a factory class which finds the appropriate Writer subclass for the BarcodeFormat
28 * requested and encodes the barcode with the supplied contents.
30 * @author dswitkin@google.com (Daniel Switkin)
32 public final class MultiFormatWriter implements Writer {
34 public ByteMatrix encode(String contents, BarcodeFormat format, int width,
35 int height) throws WriterException {
37 return encode(contents, format, width, height, null);
40 public ByteMatrix encode(String contents, BarcodeFormat format, int width, int height,
41 Hashtable hints) throws WriterException {
43 if (format == BarcodeFormat.EAN_8) {
44 return new EAN8Writer().encode(contents, format, width, height, hints);
45 } else if (format == BarcodeFormat.EAN_13) {
46 return new EAN13Writer().encode(contents, format, width, height, hints);
47 } else if (format == BarcodeFormat.QR_CODE) {
48 return new QRCodeWriter().encode(contents, format, width, height, hints);
51 throw new IllegalArgumentException("No encoder available for format " + format);