1 /*
2 * Copyright 2009-2013 Stephen Colebourne
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.joda.money.format;
17
18 import java.io.IOException;
19 import java.io.Serializable;
20
21 import org.joda.money.BigMoney;
22
23 /**
24 * Prints and parses a literal.
25 * <p>
26 * This class is immutable and thread-safe.
27 */
28 final class LiteralPrinterParser implements MoneyPrinter, MoneyParser, Serializable {
29
30 /** Serialization version. */
31 private static final long serialVersionUID = 1L;
32
33 /** Literal. */
34 private final String literal;
35
36 /**
37 * Constructor.
38 * @param literal the literal text, not null
39 */
40 LiteralPrinterParser(String literal) {
41 this.literal = literal;
42 }
43
44 //-----------------------------------------------------------------------
45 public void print(MoneyPrintContext context, Appendable appendable, BigMoney money) throws IOException {
46 appendable.append(literal);
47 }
48
49 public void parse(MoneyParseContext context) {
50 int endPos = context.getIndex() + literal.length();
51 if (endPos <= context.getTextLength() &&
52 context.getTextSubstring(context.getIndex(), endPos).equals(literal)) {
53 context.setIndex(endPos);
54 } else {
55 context.setError();
56 }
57 }
58
59 @Override
60 public String toString() {
61 return "'" + literal + "'";
62 }
63
64 }