Metacat

	<!-- rendered SOLR results -->

	<doctype publicid="solr">

		<target publicid="-//W3C//HTML//EN">/style/common/resultset-solr.xsl</target>

	</doctype>

	    			//response.setContentType("text/xml");

import java.io.ByteArrayOutputStream;

import java.io.OutputStreamWriter;

import java.sql.SQLException;

import java.util.ArrayList;

import java.util.Hashtable;

import java.util.List;

import org.apache.commons.io.IOUtils;

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

import edu.ucsb.nceas.metacat.DBTransform;

import edu.ucsb.nceas.utilities.PropertyNotFoundException;

    private static List<String> supportedWriterTypes = null;

    	// these are handled directly by solr

    	supportedWriterTypes = new ArrayList<String>();

    	supportedWriterTypes.add(CSV);

    	supportedWriterTypes.add(JSON);

    	supportedWriterTypes.add(PHP);

    	supportedWriterTypes.add(PHPS);

    	supportedWriterTypes.add(RUBY);

    	supportedWriterTypes.add(VELOCITY);

    	supportedWriterTypes.add(PYTHON);

    	supportedWriterTypes.add(XML);

     * @throws ClassNotFoundException 

     * @throws SQLException 

     * @throws PropertyNotFoundException 

    public InputStream query(String query) throws SolrServerException, IOException, PropertyNotFoundException, SQLException, ClassNotFoundException {

        // handle normal and skin-based queries

        if (supportedWriterTypes.contains(wt)) {

        	// just handle as normal solr query

	        QueryResponse response = solrServer.query(solrParams);

	        inputStream = transformResults(solrParams, response);

        }

        else {

        	// assume it is a skin name

        	String qformat = wt;

        	// perform the solr query using wt=XML

        	wt = XML;

        	ModifiableSolrParams msp = new ModifiableSolrParams(solrParams);

        	msp.set(WT, wt);

        	QueryResponse response = solrServer.query(msp);

	        inputStream = transformResults(msp, response);

	        // apply the stylesheet (XML->HTML)

	        DBTransform transformer = new DBTransform();

	        String documentContent = IOUtils.toString(inputStream, "UTF-8");

			String sourceType = "solr";

			String targetType = "-//W3C//HTML//EN";

			ByteArrayOutputStream baos = new ByteArrayOutputStream();

			Writer writer = new OutputStreamWriter(baos , "UTF-8");

			// TODO: include more params?

			Hashtable<String, String[]> params = new Hashtable<String, String[]>();

			params.put("qformat", new String[] {qformat});

			transformer.transformXMLDocument(

	        		documentContent , 

	        		sourceType, 

	        		targetType , 

	        		qformat, 

	        		writer, 

	        		params, 

	        		null //sessionid

	        		);

			// finally, get the HTML back

			inputStream = new ByteArrayInputStream(baos.toByteArray());	

        }