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.BitMatrix;
20 import com.google.zxing.oned.Code128Writer;
21 import com.google.zxing.oned.Code39Writer;
22 import com.google.zxing.oned.EAN13Writer;
23 import com.google.zxing.oned.EAN8Writer;
24 import com.google.zxing.oned.ITFWriter;
25 import com.google.zxing.qrcode.QRCodeWriter;
27 import java.util.Hashtable;
30 * This is a factory class which finds the appropriate Writer subclass for the BarcodeFormat
31 * requested and encodes the barcode with the supplied contents.
33 * @author dswitkin@google.com (Daniel Switkin)
35 public final class MultiFormatWriter implements Writer {
37 public BitMatrix encode(String contents, BarcodeFormat format, int width,
38 int height) throws WriterException {
40 return encode(contents, format, width, height, null);
43 public BitMatrix encode(String contents, BarcodeFormat format, int width, int height,
44 Hashtable hints) throws WriterException {
47 if (format == BarcodeFormat.EAN_8) {
48 writer = new EAN8Writer();
49 } else if (format == BarcodeFormat.EAN_13) {
50 writer = new EAN13Writer();
51 } else if (format == BarcodeFormat.QR_CODE) {
52 writer = new QRCodeWriter();
53 } else if (format == BarcodeFormat.CODE_39) {
54 writer = new Code39Writer();
55 } else if (format == BarcodeFormat.CODE_128) {
56 writer = new Code128Writer();
57 } else if (format == BarcodeFormat.ITF) {
58 writer = new ITFWriter();
60 throw new IllegalArgumentException("No encoder available for format " + format);
62 return writer.encode(contents, format, width, height, hints);