SolrConnector using solrj

SolrConnector.java

import java.io.IOException;
import java.util.List;

import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrServer;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.impl.HttpSolrServer;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.common.SolrInputDocument;

public enum SolrConnector {

	INSTANCE;

	private final SolrServer solrServer;

	private SolrConnector() {
		solrServer = new HttpSolrServer("http://localhost:8983/solr");
	}

	public long count(String query) {
		long count;
		
		try {
			
			final QueryResponse response = solrServer.query(new SolrQuery(query));

			count = response.getResults().getNumFound();

		} catch (SolrServerException e) {
			e.printStackTrace();
			count = 0;
		}
		
		return count;
	}
	
	public void addDocument(SolrInputDocument doc) {
		try {
			solrServer.add(doc, 50);
		} catch (SolrServerException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void addDocuments(List<SolrInputDocument> docs) {
		try {
			solrServer.add(docs, 50);
		} catch (SolrServerException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}

Dependencies:

org.apache.solr
solr-core
4.3.0


org.apache.solr
solr-solrj
4.3.0