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


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.mortbay.http.HttpRequest;
19 import org.mortbay.http.HttpResponse;
20 import org.outerj.daisy.repository.Repository;
21 import org.outerj.daisy.repository.Document;
22 import org.outerj.daisy.repository.LockType;
23 import org.outerj.daisy.httpconnector.RequestHandler;
24 import org.outerj.daisy.httpconnector.HttpUtil;
25 import org.outerj.daisy.xmlutil.LocalSAXParserFactory;
26 import org.outerx.daisy.x10.LockInfoDocument;
27 import org.apache.xmlbeans.XmlOptions;
28
29 import java.util.Map JavaDoc;
30
31 public class LockHandler implements RequestHandler {
32     public String JavaDoc getPathPattern() {
33         return "/document/*/lock";
34     }
35
36     public void handleRequest(Map JavaDoc matchMap, HttpRequest request, HttpResponse response, Repository repository) throws Exception JavaDoc {
37         long documentId = HttpUtil.parseId("document", (String JavaDoc)matchMap.get("1"));
38         long branchId = HttpUtil.getBranchId(request, repository);
39         long languageId = HttpUtil.getLanguageId(request, repository);
40
41         if (request.getMethod().equals(HttpRequest.__GET)) {
42             Document document = repository.getDocument(documentId, branchId, languageId, false);
43             document.getLockInfo(true).getXml().save(response.getOutputStream());
44             response.commit();
45             return;
46         } else if (request.getMethod().equals(HttpRequest.__POST)) {
47             XmlOptions xmlOptions = new XmlOptions().setLoadUseXMLReader(LocalSAXParserFactory.newXmlReader());
48             LockInfoDocument lockInfoDocument = LockInfoDocument.Factory.parse(response.getInputStream(), xmlOptions);
49             LockInfoDocument.LockInfo lockInfoXml = lockInfoDocument.getLockInfo();
50             LockType lockType = LockType.fromString(lockInfoXml.getType().toString());
51             long duration = lockInfoXml.getDuration();
52
53             Document document = repository.getDocument(documentId, branchId, languageId, true);
54             document.lock(duration, lockType);
55             document.getLockInfo(false).getXml().save(response.getOutputStream());
56             response.commit();
57             return;
58         } else if (request.getMethod().equals(HttpRequest.__DELETE)) {
59             Document document = repository.getDocument(documentId, branchId, languageId, true);
60             document.releaseLock();
61             document.getLockInfo(false).getXml().save(response.getOutputStream());
62             response.commit();
63             return;
64         } else {
65             response.sendError(HttpResponse.__405_Method_Not_Allowed);
66             return;
67         }
68     }
69 }
70
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