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/*
 *    Copyright 2009-2021 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 io.github.zouzhiy.excel.ibatis.reflection.property;

import io.github.zouzhiy.excel.exceptions.ExcelException;

import java.util.Locale;

/**
 * @author Clinton Begin
 */
public final class PropertyNamer {

    private PropertyNamer() {
        // Prevent Instantiation of Static Class
    }

    public static String methodToProperty(String name) {
        if (name.startsWith("is")) {
            name = name.substring(2);
        } else if (name.startsWith("get") || name.startsWith("set")) {
            name = name.substring(3);
        } else {
            throw new ExcelException("Error parsing property name '" + name + "'.  Didn't start with 'is', 'get' or 'set'.");
        }

        if (name.length() == 1 || (name.length() > 1 && !Character.isUpperCase(name.charAt(1)))) {
            name = name.substring(0, 1).toLowerCase(Locale.ENGLISH) + name.substring(1);
        }

        return name;
    }

    public static boolean isProperty(String name) {
        return isGetter(name) || isSetter(name);
    }

    public static boolean isGetter(String name) {
        return (name.startsWith("get") && name.length() > 3) || (name.startsWith("is") && name.length() > 2);
    }

    public static boolean isSetter(String name) {
        return name.startsWith("set") && name.length() > 3;
    }

}