Source code
Description: source: package: org.apache.commons.csv, enum: DuplicateHeaderMode

    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one
    003 * or more contributor license agreements.  See the NOTICE file
    004 * distributed with this work for additional information
    005 * regarding copyright ownership.  The ASF licenses this file
    006 * to you under the Apache License, Version 2.0 (the
    007 * "License"); you may not use this file except in compliance
    008 * with the License.  You may obtain a copy of the License at
    009 *
    010 *   https://www.apache.org/licenses/LICENSE-2.0
    011 *
    012 * Unless required by applicable law or agreed to in writing,
    013 * software distributed under the License is distributed on an
    014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015 * KIND, either express or implied.  See the License for the
    016 * specific language governing permissions and limitations
    017 * under the License.
    018 */
    019
    020package org.apache.commons.csv;
    021
    022/**
    023 * Determines how duplicate header fields should be handled
    024 * if {@link CSVFormat.Builder#setHeader(Class)} is not null.
    025 *
    026 * @since 1.10.0
    027 */
    028public enum DuplicateHeaderMode {
    029
    030    /**
    031     * Allows all duplicate headers.
    032     */
    033    ALLOW_ALL,
    034
    035    /**
    036     * Allows duplicate headers only if they're empty, blank, or null strings.
    037     */
    038    ALLOW_EMPTY,
    039
    040    /**
    041     * Disallows duplicate headers entirely.
    042     */
    043    DISALLOW
    044}