01: /*
02: * Copyright 2004 Outerthought bvba and Schaubroeck nv
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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.repository.Repository;
19: import org.outerj.daisy.repository.VariantKey;
20: import org.outerj.daisy.repository.VariantKeys;
21: import org.outerj.daisy.repository.acl.AccessManager;
22: import org.outerj.daisy.repository.acl.AclPermission;
23: import org.outerj.daisy.xmlutil.LocalSAXParserFactory;
24: import org.outerj.daisy.httpconnector.spi.RequestHandlerSupport;
25: import org.outerx.daisy.x10.VariantKeysDocument;
26: import org.apache.xmlbeans.XmlOptions;
27:
28: import javax.servlet.http.HttpServletRequest;
29: import javax.servlet.http.HttpServletResponse;
30: import java.util.Map;
31:
32: public class FilterDocumentsHandler extends
33: AbstractRepositoryRequestHandler {
34: public String getPathPattern() {
35: return "/filterDocuments";
36: }
37:
38: public void handleRequest(Map matchMap, HttpServletRequest request,
39: HttpServletResponse response, Repository repository,
40: RequestHandlerSupport support) throws Exception {
41: XmlOptions xmlOptions = new XmlOptions()
42: .setLoadUseXMLReader(LocalSAXParserFactory
43: .newXmlReader());
44: VariantKeysDocument variantKeysDocument = VariantKeysDocument.Factory
45: .parse(request.getInputStream(), xmlOptions);
46: VariantKey[] variantKeys = VariantKeys.fromXml(
47: variantKeysDocument).getArray();
48:
49: // No permission parameter defaults to READ permission (for backwards compatibility)
50: String permissionParam = request.getParameter("permission");
51: AclPermission permission = AclPermission.READ;
52: if (permissionParam != null)
53: permission = AclPermission.fromString(permissionParam);
54:
55: // No "nonLive" param defaults to false (= only live versions)
56: String nonLiveParam = request.getParameter("nonLive");
57: boolean nonLive = "true".equals(nonLiveParam);
58:
59: AccessManager accessManager = repository.getAccessManager();
60: VariantKey[] filteredVariantKeys = accessManager
61: .filterDocuments(variantKeys, permission, nonLive);
62:
63: new VariantKeys(filteredVariantKeys).getXml().save(
64: response.getOutputStream());
65: }
66: }
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