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 
18 /* $Id$ */
19 
20 package org.apache.fop.afp.fonts;
21 
22 import org.apache.fop.afp.fonts.CharactersetEncoder.DefaultEncoder;
23 import org.apache.fop.afp.fonts.CharactersetEncoder.EbcdicDoubleByteLineDataEncoder;
24 
25 /**
26  * An enumeration of AFP characterset types.
27  */
28 public enum CharacterSetType {
29     /** Double byte character sets; these do NOT have the shift-in;shift-out operators */
30     DOUBLE_BYTE {
31         @Override
getEncoder(String encoding)32         CharactersetEncoder getEncoder(String encoding) {
33             return new DefaultEncoder(encoding, true);
34         }
35     },
36     /** Double byte character sets; these can have the shift-in;shift-out operators */
37     DOUBLE_BYTE_LINE_DATA {
38         @Override
getEncoder(String encoding)39         CharactersetEncoder getEncoder(String encoding) {
40             return new EbcdicDoubleByteLineDataEncoder(encoding);
41         }
42     },
43     SINGLE_BYTE {
44         @Override
getEncoder(String encoding)45         CharactersetEncoder getEncoder(String encoding) {
46             return new DefaultEncoder(encoding, false);
47         }
48     };
49 
50     /**
51      * Returns the character-set encoder
52      *
53      * @param encoding
54      * @return
55      */
getEncoder(String encoding)56     abstract CharactersetEncoder getEncoder(String encoding);
57 }
58