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/*
 * Copyright © 2015 The Gravitee team (http://gravitee.io)
 *
 * 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.gravitee.repository.mongodb.utils;

import org.apache.commons.lang3.StringUtils;

/**
 * @author Yann TAVERNIER (yann.tavernier at graviteesource.com)
 * @author GraviteeSource Team
 */
public class FieldUtils {

    public static String toCamelCase(String field) {
        if (StringUtils.isEmpty(field)) {
            return field;
        }

        String result = field;
        while (result.contains("_")) {
            result = result.replaceFirst("_[a-z]", String.valueOf(Character.toUpperCase(result.charAt(result.indexOf("_") + 1))));
        }
        return result;
    }
}