org.joda.money.format.LiteralPrinterParser Maven / Gradle / Ivy
/*
* Copyright 2009-present, Stephen Colebourne
*
* 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 org.joda.money.format;
import java.io.IOException;
import java.io.Serializable;
import org.joda.money.BigMoney;
/**
* Prints and parses a literal.
*
* This class is immutable and thread-safe.
*/
final class LiteralPrinterParser implements MoneyPrinter, MoneyParser, Serializable {
/** Serialization version. */
private static final long serialVersionUID = 1L;
/** Literal. */
private final String literal;
/**
* Constructor.
* @param literal the literal text, not null
*/
LiteralPrinterParser(String literal) {
this.literal = literal;
}
//-----------------------------------------------------------------------
@Override
public void print(MoneyPrintContext context, Appendable appendable, BigMoney money) throws IOException {
appendable.append(literal);
}
@Override
public void parse(MoneyParseContext context) {
int endPos = context.getIndex() + literal.length();
if (endPos <= context.getTextLength() &&
context.getTextSubstring(context.getIndex(), endPos).equals(literal)) {
context.setIndex(endPos);
} else {
context.setError();
}
}
@Override
public String toString() {
return "'" + literal + "'";
}
}