Customizing “q” Parameter in SOLR

Hi All,

         Today we are going to see how we are going to customize the Search parameter in solr. Almost all of our Projects will be having the Requirement of Customizing this parameter. Please follow the Below Instructions so you can change it easily.

package com.mycommercesearch.solr;

              

import org.apache.solr.common.params.SolrParams;

import org.apache.solr.common.util.NamedList;

import org.apache.solr.handler.component.SearchHandler;

import org.apache.solr.request.SolrQueryRequest;

import org.apache.solr.response.SolrQueryResponse;

public class SearchEndecaHanlder extends SearchHandler {

      

       public static String SEARCH="search";

      

       public static String QUERY_PARAM="q";

       public void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)   throws Exception{

              String queryParam=req.getParams().get(SEARCH);

              SolrParams paramSolrParams = req.getParams();

              NamedList<Object> nmList = new NamedList<Object>();

              nmList=paramSolrParams.toNamedList();

              nmList.remove(SEARCH);

              nmList.add(QUERY_PARAM, queryParam);

              paramSolrParams=SolrParams.toSolrParams(nmList);

              req.setParams(paramSolrParams);

              super.handleRequestBody(req, rsp);

       }

}

In this Scenario I have used "search" instead of  "q" and it worked out. Create a Jar File from the above class and paste it in <SOLR_ISTALED_DIR>solr-6.6.0\server\solr-webapp\webapp\WEB-INF\lib\

Registering the Custom Handler in Solr

Navigate to Solrconfig.xml and add the below entry.

<requestHandler name="/mysearch" class="com.mycommercesearch.solr.SearchEndecaHanlder">

    <lst name="defaults">

      <str name="echoParams">explicit</str>

      <int name="rows">10</int>

      <!-- <str name="df">text</str> -->

    </lst>

  </requestHandler>

Once if you restart and access with the Below Url and get the Results .

http://localhost:8983/solr/refrence/mysearch?search=bus&wt=json&df=refrence

Happy Searching !!!!