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Apache Solr (module: core)

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.solr.handler.designer;

import static org.apache.solr.common.params.CommonParams.JSON_MIME;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.solr.common.SolrInputDocument;

public class SampleDocuments {
  public static final SampleDocuments NONE = new SampleDocuments(null, null, null);
  public final String contentType;
  public final String fileSource;
  public List parsed;

  public SampleDocuments(List parsed, String contentType, String fileSource) {
    this.parsed = parsed != null ? parsed : new ArrayList<>(); // needs to be mutable
    this.contentType = contentType;
    this.fileSource = fileSource;
  }

  public String getSource() {
    return fileSource != null ? fileSource : "paste";
  }

  private boolean isTextContentType() {
    if (contentType == null) {
      return false;
    }
    return contentType.contains(JSON_MIME)
        || contentType.startsWith("text/")
        || contentType.contains("application/xml");
  }

  public List appendDocs(
      String idFieldName, List add, int maxDocsToLoad) {
    if (add != null && !add.isEmpty()) {
      final Set