Save This Page
1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.pdfbox.encoding.conversion;
18
19 import java.util.HashMap;
20
21 /**
22 * This class provides a mapping from char code to unicode mapping files used for CJK-encoding.
23 * @author Andreas Lehmkühler
24 * @version $Revision: 1.0 $
25 *
26 */
27
28 public class CMapSubstitution
29 {
30
31 private static HashMap<String,String> cmapSubstitutions = new HashMap<String,String>();
32
33 private CMapSubstitution()
34 {
35 }
36
37 static
38 {
39 // I don't know if these mappings are complete. Perhaps there
40 // has to be added still one or more
41
42 // chinese simplified
43 cmapSubstitutions.put( "Adobe-GB1-4", "Adobe-GB1-UCS2" );
44 cmapSubstitutions.put( "GBK-EUC-H", "GBK-EUC-UCS2" );
45 cmapSubstitutions.put( "GBK-EUC-V", "GBK-EUC-UCS2" );
46 cmapSubstitutions.put( "GBpc-EUC-H", "GBpc-EUC-UCS2C" );
47 cmapSubstitutions.put( "GBpc-EUC-V", "GBpc-EUC-UCS2C" );
48
49 // chinese traditional
50 cmapSubstitutions.put( "Adobe-CNS1-4", "Adobe-CNS1-UCS2" );
51 cmapSubstitutions.put( "B5pc-H", "B5pc-UCS2" );
52 cmapSubstitutions.put( "B5pc-V", "B5pc-UCS2" );
53 cmapSubstitutions.put( "ETen-B5-H", "ETen-B5-UCS2" );
54 cmapSubstitutions.put( "ETen-B5-V", "ETen-B5-UCS2" );
55 cmapSubstitutions.put( "ETenms-B5-H", "ETen-B5-UCS2" );
56 cmapSubstitutions.put( "ETenms-B5-V", "ETen-B5-UCS2" );
57
58 // japanese
59 cmapSubstitutions.put( "90ms-RKSJ-H", "90ms-RKSJ-UCS2" );
60 cmapSubstitutions.put( "90ms-RKSJ-V", "90ms-RKSJ-UCS2" );
61 cmapSubstitutions.put( "90msp-RKSJ-H", "90ms-RKSJ-UCS2" );
62 cmapSubstitutions.put( "90msp-RKSJ-V", "90ms-RKSJ-UCS2" );
63 cmapSubstitutions.put( "90pv-RKSJ-H", "90pv-RKSJ-UCS2");
64 cmapSubstitutions.put( "UniJIS-UCS2-HW-H", "UniJIS-UCS2-H" );
65 cmapSubstitutions.put( "Adobe-Japan1-4", "Adobe-Japan1-UCS2");
66
67 }
68
69 /**
70 *
71 * @param cmapName The name of a cmap for which we have to find a possible substitution
72 * @return the substitution for the given cmap name
73 */
74 public static String substituteCMap(String cmapName)
75 {
76 if (cmapSubstitutions.containsKey(cmapName))
77 {
78 return (String)cmapSubstitutions.get(cmapName);
79 }
80 return cmapName;
81 }
82 }