BarcodeGenerator


1   /*
2    * Copyright (c) 2004 The Open For Business Project - www.ofbiz.org
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a
5    * copy of this software and associated documentation files (the "Software"),
6    * to deal in the Software without restriction, including without limitation
7    * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8    * and/or sell copies of the Software, and to permit persons to whom the
9    * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included
12   * in all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
19   * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
20   * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21   *
22   */
23  package org.ofbiz.webapp.barcode;
24  
25  import java.io.ByteArrayInputStream  ;
26  
27  import nu.xom.Node;
28  import nu.xom.Nodes;
29  import nu.xom.converters.DOMConverter;
30  
31  import org.apache.avalon.framework.configuration.Configuration;
32  import org.apache.avalon.framework.configuration.ConfigurationException;
33  import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
34  import org.krysalis.barcode4j.BarcodeException;
35  import org.krysalis.barcode4j.BarcodeUtil;
36  import org.ofbiz.base.util.Debug;
37  import org.w3c.dom.DocumentFragment  ;
38  
39  /**
40   * Wrapper around Krysalis Barcode for generating barcodes.
41   *
42   * @author Bryce Ewing
43   * @version 0.1
44   */
45  public class BarcodeGenerator {
46  
47      public static final String   module = BarcodeGenerator.class.getName();
48  
49      private Configuration config;
50      // removing this because the new version of Barcode4J doesn't have a parameter for it: private Logger log;
51      private BarcodeUtil barcodeUtil;
52  
53      public BarcodeGenerator(String   barcodeFormat) {
54          DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
55          try {
56              byte [] configData = barcodeFormat.getBytes();
57              config = builder.build(new ByteArrayInputStream  (configData));
58          }
59          catch (Exception   e) {
60              Debug.logError(e, "Couldn't create config for Barcode Generator", module);
61          }
62  
63          //log = new Log4JLogger(Debug.getLogger(module));
64  
65          barcodeUtil = BarcodeUtil.getInstance();
66      }
67  
68      public String   generateSvgXml(String   message) throws BarcodeException, ConfigurationException {
69          if (config != null) {
70              DocumentFragment   fragment = barcodeUtil.generateSVGBarcode(config, message);
71  
72              Nodes nodes = DOMConverter.convert(fragment);
73  
74              StringBuffer   buffer = new StringBuffer  ();
75              for (int i = 0; i < nodes.size(); i++) {
76                  Node node = nodes.get(i);
77                  buffer.append(node.toXML());
78              }
79  
80              return buffer.toString();
81          } else {
82              return "";
83          }
84      }
85  }
86
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