co.cask.hydrator.plugin.FieldCase.java Source code

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Here is the source code for co.cask.hydrator.plugin.FieldCase.java

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/*
 * Copyright  2015 Cask Data, Inc.
 *
 * 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 co.cask.hydrator.plugin;

import com.google.common.base.Strings;

/**
* Enum to denote case of Structured Record field.
*/
public enum FieldCase {
    LOWER, UPPER, NONE;

    public static FieldCase toFieldCase(String fieldCase) {
        if (Strings.isNullOrEmpty(fieldCase)) {
            return FieldCase.NONE;
        }

        try {
            return FieldCase.valueOf(fieldCase.toUpperCase());
        } catch (IllegalArgumentException e) {
            return FieldCase.NONE;
        }
    }
}