.map(line -> line//
                            .replace("\"_index\":\"fess_config.", "\"_index\":\"" + fessConfig.getIndexConfigIndex() + ".")//
                            .replace("\"_index\":\"fess_user.", "\"_index\":\"" + fessConfig.getIndexUserIndex() + ".")//
                            .replace("\"_index\":\"fess_log.", "\"_index\":\"" + fessConfig.getIndexLogIndex() + "."))
                    .reduce((prev, line) -> {

/*
 * Copyright (C) 2009 The Guava 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,