1 /*
2 * Copyright 2004 the original author or authors.
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 com.ancientprogramming.fixedformat4j.format.impl;
17
18 import com.ancientprogramming.fixedformat4j.format.AbstractFixedFormatter;
19 import com.ancientprogramming.fixedformat4j.format.FormatInstructions;
20 import com.ancientprogramming.fixedformat4j.annotation.Sign;
21 import org.apache.commons.lang.StringUtils;
22
23 /**
24 * Apply signing to values
25 *
26 * @author Jacob von Eyben - http://www.ancientprogramming.com
27 * @since 1.1.0
28 */
29 public abstract class AbstractNumberFormatter<T> extends AbstractFixedFormatter<T> {
30
31 /**
32 * Override and applies signing instead of align.
33 *
34 * @param value the value
35 * @param instructions the instructions
36 * @return the parsed object
37 */
38 public T parse(String value, FormatInstructions instructions) {
39 T result = null;
40 if (value != null) {
41 Sign signing = instructions.getFixedFormatNumberData().getSigning();
42 String rawString = signing.remove(value, instructions);
43 result = asObject(rawString, instructions);
44 }
45 return result;
46 }
47
48 /**
49 * Override and applies signing instead of align.
50 *
51 * @param obj the object to format
52 * @param instructions the instructions
53 * @return the raw value
54 */
55 public String format(T obj, FormatInstructions instructions) {
56 return instructions.getFixedFormatNumberData().getSigning().apply(asString(obj, instructions), instructions);
57 }
58 }