com.ancientprogramming.fixedformat4j.format.impl.BooleanFormatter.java Source code

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Here is the source code for com.ancientprogramming.fixedformat4j.format.impl.BooleanFormatter.java

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/*
 * Copyright 2004 the original author or authors.
 *
 * 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 com.ancientprogramming.fixedformat4j.format.impl;

import com.ancientprogramming.fixedformat4j.exception.FixedFormatException;
import com.ancientprogramming.fixedformat4j.format.AbstractFixedFormatter;
import com.ancientprogramming.fixedformat4j.format.FormatInstructions;
import org.apache.commons.lang.StringUtils;

/**
 * Formatter for {@link Boolean} data
 *
 * @author Jacob von Eyben - http://www.ancientprogramming.com
 * @since 1.0.0
 */
public class BooleanFormatter extends AbstractFixedFormatter<Boolean> {

    public Boolean asObject(String string, FormatInstructions instructions) throws FixedFormatException {
        Boolean result = false;
        if (!StringUtils.isEmpty(string)) {
            if (instructions.getFixedFormatBooleanData().getTrueValue().equals(string)) {
                result = true;
            } else if (instructions.getFixedFormatBooleanData().getFalseValue().equals(string)) {
                result = false;
            } else {
                throw new FixedFormatException(
                        "Could not convert string[" + string + "] to boolean value according to booleanData["
                                + instructions.getFixedFormatBooleanData() + "]");
            }
        }
        return result;
    }

    public String asString(Boolean obj, FormatInstructions instructions) {
        String result = instructions.getFixedFormatBooleanData().getFalseValue();
        if (obj != null) {
            result = obj ? instructions.getFixedFormatBooleanData().getTrueValue()
                    : instructions.getFixedFormatBooleanData().getFalseValue();
        }
        return result;
    }

}