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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.exception.FixedFormatException;
19  import com.ancientprogramming.fixedformat4j.format.AbstractFixedFormatter;
20  import com.ancientprogramming.fixedformat4j.format.FormatInstructions;
21  import org.apache.commons.lang.StringUtils;
22  
23  /**
24   * Formatter for {@link Boolean} data
25   *
26   * @author Jacob von Eyben - http://www.ancientprogramming.com
27   * @since 1.0.0
28   */
29  public class BooleanFormatter extends AbstractFixedFormatter<Boolean> {
30  
31    public Boolean asObject(String string, FormatInstructions instructions) throws FixedFormatException {
32      Boolean result = false;
33      if (!StringUtils.isEmpty(string)) {
34        if (instructions.getFixedFormatBooleanData().getTrueValue().equals(string)) {
35          result = true;
36        } else if (instructions.getFixedFormatBooleanData().getFalseValue().equals(string)) {
37          result = false;
38        } else {
39          throw new FixedFormatException("Could not convert string[" + string + "] to boolean value according to booleanData[" + instructions.getFixedFormatBooleanData() + "]");
40        }
41      }
42      return result;
43    }
44  
45    public String asString(Boolean obj, FormatInstructions instructions) {
46      String result = instructions.getFixedFormatBooleanData().getFalseValue();
47      if (obj != null) {
48        result = obj ? instructions.getFixedFormatBooleanData().getTrueValue() : instructions.getFixedFormatBooleanData().getFalseValue();
49      }
50      return result;
51    }
52  
53  }