Blame view

src/com/ectrip/cyt/zxing/decoding/DecodeFormatManager.java 3.66 KB
3c2353cd   杜方   1、畅游通核销app源码提交;
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
  /*
   * Copyright (C) 2010 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.
   */
  
  package com.ectrip.cyt.zxing.decoding;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Vector;
  import java.util.regex.Pattern;
  
  import android.content.Intent;
  import android.net.Uri;
  import com.google.zxing.BarcodeFormat;
  
  final class DecodeFormatManager {
  
    private static final Pattern COMMA_PATTERN = Pattern.compile(",");
  
    static final Vector<BarcodeFormat> PRODUCT_FORMATS;
    static final Vector<BarcodeFormat> ONE_D_FORMATS;
    static final Vector<BarcodeFormat> QR_CODE_FORMATS;
    static final Vector<BarcodeFormat> DATA_MATRIX_FORMATS;
    static {
      PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
      PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
      PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
      PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
      PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
      PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
      ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 4);
      ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
      ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
      ONE_D_FORMATS.add(BarcodeFormat.CODE_93);
      ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
      ONE_D_FORMATS.add(BarcodeFormat.ITF);
      QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
      QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
      DATA_MATRIX_FORMATS = new Vector<BarcodeFormat>(1);
      DATA_MATRIX_FORMATS.add(BarcodeFormat.DATA_MATRIX);
    }
  
    private DecodeFormatManager() {}
  
    static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
      List<String> scanFormats = null;
      String scanFormatsString = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
      if (scanFormatsString != null) {
        scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
      }
      return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
    }
  
    static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
      List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS);
      if (formats != null && formats.size() == 1 && formats.get(0) != null){
        formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
      }
      return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
    }
  
    private static Vector<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats,
                                                            String decodeMode) {
      if (scanFormats != null) {
        Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
        try {
          for (String format : scanFormats) {
            formats.add(BarcodeFormat.valueOf(format));
          }
          return formats;
        } catch (IllegalArgumentException iae) {
          // ignore it then
        }
      }
      if (decodeMode != null) {
        if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
          return PRODUCT_FORMATS;
        }
        if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
          return QR_CODE_FORMATS;
        }
        if (Intents.Scan.DATA_MATRIX_MODE.equals(decodeMode)) {
          return DATA_MATRIX_FORMATS;
        }
        if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
          return ONE_D_FORMATS;
        }
      }
      return null;
    }
  
  }