2 * Copyright 2007 Google Inc.
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.client.j2se;
19 import com.google.zxing.MultiFormatReader;
20 import com.google.zxing.ReaderException;
22 import javax.imageio.ImageIO;
23 import java.awt.image.BufferedImage;
25 import java.io.IOException;
29 * <p>Simply attempts to decode the barcode in the image indicated by the single argument
30 * to this program, which may be file or a URI. The raw text is printed.</p>
32 * @author srowen@google.com (Sean Owen), dswitkin@google.com (Daniel Switkin)
34 public final class CommandLineRunner {
36 private CommandLineRunner() {
39 public static void main(String[] args) throws Exception {
40 File inputFile = new File(args[0]);
41 if (inputFile.exists()) {
42 if (inputFile.isDirectory()) {
44 for (File input : inputFile.listFiles()) {
45 if (decode(input.toURI())) {
49 System.out.println("Decoded " + successful + " files successfully");
51 decode(inputFile.toURI());
54 decode(new URI(args[0]));
58 private static boolean decode(URI uri) throws IOException {
59 BufferedImage image = ImageIO.read(uri.toURL());
61 System.err.println(uri.toString() + ": Could not load image");
65 BufferedImageMonochromeBitmapSource source = new BufferedImageMonochromeBitmapSource(image);
66 String result = new MultiFormatReader().decode(source).getText();
67 System.out.println(uri.toString() + ": " + result);
69 } catch (ReaderException e) {
70 System.out.println(uri.toString() + ": No barcode found");