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Java > Open Source Codes > org > outerj > daisy > httpconnector > handlers > FacetedQueryHandler


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.outerj.daisy.httpconnector.handlers;
17
18 import org.outerj.daisy.httpconnector.RequestHandler;
19 import org.outerj.daisy.repository.Repository;
20 import org.outerj.daisy.repository.LocaleHelper;
21 import org.outerj.daisy.repository.query.QueryManager;
22 import org.outerj.daisy.repository.query.FacetConf;
23 import org.outerj.daisy.xmlutil.LocalSAXParserFactory;
24 import org.mortbay.http.HttpRequest;
25 import org.mortbay.http.HttpResponse;
26 import org.outerx.daisy.x10.FacetedQueryRequestDocument;
27 import org.outerx.daisy.x10.FacetedQueryResultDocument;
28 import org.apache.xmlbeans.XmlOptions;
29
30 import java.util.Map JavaDoc;
31 import java.util.Locale JavaDoc;
32
33 public class FacetedQueryHandler implements RequestHandler {
34     public String JavaDoc getPathPattern() {
35         return "/facetedQuery";
36     }
37
38     public void handleRequest(Map JavaDoc matchMap, HttpRequest request, HttpResponse response, Repository repository) throws Exception JavaDoc {
39         if (request.getMethod().equals(HttpRequest.__POST)) {
40             XmlOptions xmlOptions = new XmlOptions().setLoadUseXMLReader(LocalSAXParserFactory.newXmlReader());
41             FacetedQueryRequestDocument.FacetedQueryRequest facetedRequest = FacetedQueryRequestDocument.Factory.parse(request.getInputStream(), xmlOptions).getFacetedQueryRequest();
42             String JavaDoc query = facetedRequest.getQuery();
43             FacetedQueryRequestDocument.FacetedQueryRequest.FacetConfs.FacetConf[] facetConfsXml = facetedRequest.getFacetConfs().getFacetConfArray();
44             FacetConf[] facetConfs = new FacetConf[facetConfsXml.length];
45             for (int i = 0; i < facetConfs.length; i++) {
46                 facetConfs[i] = new FacetConf();
47                 facetConfs[i].setIsFacet(facetConfsXml[i].getIsFacet());
48                 facetConfs[i].setMaxValues(facetConfsXml[i].getMaxValues());
49                 facetConfs[i].setSortAscending(facetConfsXml[i].getSortAscending());
50                 facetConfs[i].setSortOnValue(facetConfsXml[i].getSortOnValue());
51             }
52             Locale JavaDoc locale = LocaleHelper.parseLocale(facetedRequest.getLocale());
53
54             QueryManager queryManager = repository.getQueryManager();
55             FacetedQueryResultDocument result = queryManager.performFacetedQuery(query, facetConfs, facetedRequest.getChunk().getOffset(), facetedRequest.getChunk().getLength(), locale);
56             result.save(response.getOutputStream());
57             response.commit();
58         } else {
59             response.sendError(HttpResponse.__405_Method_Not_Allowed);
60         }
61     }
62 }
63
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