Java – how to convert solrquery (solrj) to URL?

When using solrj, I want to know how to use Solr query syntax to convert solrquery objects to their URL representation I tried to use it Tostring() method, but it does not return the correct query representation What else can I do?

Solution

I recommend clientutils toQueryString.

@Test
public void solrQueryToURL() {
  SolrQuery tmpQuery = new SolrQuery("some query");
  Assert.assertEquals("?q=some+query",ClientUtils.toQueryString(tmpQuery,false));
}

In the source code httpsolrserver, you can see that solrj code itself uses it for this reason

public NamedList<Object> request(final SolrRequest request,final ResponseParser processor) throws SolrServerException,IOException {

  // ... other code left out

  if( SolrRequest.METHOD.GET == request.getmethod() ) {
    if( streams != null ) {
      throw new SolrException( SolrException.ErrorCode.BAD_REQUEST,"GET can't send streams!" );
    }
    method = new HttpGet( baseUrl + path + ClientUtils.toQueryString( params,false ) );

  // ... other code left out

  }