content: /*
   * 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.search;
  
  import org.apache.solr.common.params.ModifiableSolrParams;
  import org.apache.solr.common.params.SolrParams;
  import org.apache.solr.common.util.NamedList;
  import org.apache.solr.request.SolrQueryRequest;
  
  /**
   * After an extended effort of working around the edismax limitations,
   * i finally gave up and am modifying the logic. The future should see
   * our own AQP implementation of edismax...
   */
  public class AqpExtendedDismaxQParserPlugin extends QParserPlugin {
      public static final String NAME = "adismax";
      NamedList<Object> defaults = null;
  
      @Override
      public void init(NamedList args) {
          if (args.get("defaults", 0) != null) {
              NamedList defs = (NamedList) args.get("defaults");
              defaults = defs.clone();
          }
      }
  
      @Override
      public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
          ModifiableSolrParams xparams = new ModifiableSolrParams(params).set("df", (String) defaults.get("df"));
          defaults.forEach((k, v) -> {
              if (xparams.get(k, null) == null)
                  if (v instanceof Boolean) {
                      xparams.set(k, (Boolean) v);
                  } else if (v instanceof String) {
                      xparams.set(k, (String) v);
                  } else {
                      throw new Error("Unsupported type in the defaults: key=" + k);
                  }
          });
          params = xparams;
          return new AqpExtendedDismaxQParser(qstr, localParams, params, req);
      }
  }