zxing/csharp/client/result/ISBNResultParser.cs
srowen d4efd44fb0 New C# port from Suraj Supekar
git-svn-id: https://zxing.googlecode.com/svn/trunk@1202 59b500cc-1b3d-0410-9834-0bbf25fbcc57
2010-02-05 19:52:53 +00:00

63 lines
1.7 KiB
C#
Executable file

/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using BarcodeFormat = com.google.zxing.BarcodeFormat;
using Result = com.google.zxing.Result;
namespace com.google.zxing.client.result
{
/// <summary> Parses strings of digits that represent a ISBN.
///
/// </summary>
/// <author> jbreiden@google.com (Jeff Breidenbach)
/// </author>
/// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source
/// </author>
public class ISBNResultParser:ResultParser
{
private ISBNResultParser()
{
}
// ISBN-13 For Dummies
// http://www.bisg.org/isbn-13/for.dummies.html
public static ISBNParsedResult parse(Result result)
{
BarcodeFormat format = result.BarcodeFormat;
if (!BarcodeFormat.EAN_13.Equals(format))
{
return null;
}
System.String rawText = result.Text;
if (rawText == null)
{
return null;
}
int length = rawText.Length;
if (length != 13)
{
return null;
}
if (!rawText.StartsWith("978") && !rawText.StartsWith("979"))
{
return null;
}
return new ISBNParsedResult(rawText);
}
}
}