001/* 002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * troger 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.preview.codec; 023 024import java.util.ArrayList; 025import java.util.HashMap; 026import java.util.List; 027import java.util.Map; 028import java.util.regex.Matcher; 029import java.util.regex.Pattern; 030 031import org.nuxeo.common.utils.StringUtils; 032import org.nuxeo.common.utils.URIUtils; 033import org.nuxeo.ecm.core.api.DocumentLocation; 034import org.nuxeo.ecm.core.api.DocumentRef; 035import org.nuxeo.ecm.core.api.IdRef; 036import org.nuxeo.ecm.core.api.impl.DocumentLocationImpl; 037import org.nuxeo.ecm.platform.url.DocumentViewImpl; 038import org.nuxeo.ecm.platform.url.api.DocumentView; 039import org.nuxeo.ecm.platform.url.service.AbstractDocumentViewCodec; 040 041/** 042 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 043 */ 044public class DocumentPreviewCodec extends AbstractDocumentViewCodec { 045 046 public static final String PROPERTY_PATH_KEY = "PROPERTY_PATH_KEY"; 047 048 public static final String PREFIX = "restAPI/preview"; 049 050 // /server/docId/property_path/ 051 public static final String URLPattern = "/(\\w+)/([a-zA-Z_0-9\\-]+)/([a-zA-Z_0-9:\\-\\.\\]\\[]*)/"; 052 053 @Override 054 public String getPrefix() { 055 if (prefix != null) { 056 return prefix; 057 } 058 return PREFIX; 059 } 060 061 @Override 062 public DocumentView getDocumentViewFromUrl(String url) { 063 final Pattern pattern = Pattern.compile(getPrefix() + URLPattern); 064 Matcher m = pattern.matcher(url); 065 if (m.matches()) { 066 final String server = m.group(1); 067 String uuid = m.group(2); 068 final DocumentRef docRef = new IdRef(uuid); 069 070 Map<String, String> params = new HashMap<String, String>(); 071 final String property = m.group(3); 072 params.put(PROPERTY_PATH_KEY, property); 073 074 final DocumentLocation docLoc = new DocumentLocationImpl(server, docRef); 075 final DocumentView docView = new DocumentViewImpl(docLoc, null, params); 076 077 return docView; 078 } 079 return null; 080 } 081 082 @Override 083 public String getUrlFromDocumentView(DocumentView docView) { 084 DocumentLocation docLoc = docView.getDocumentLocation(); 085 String property = docView.getParameter(PROPERTY_PATH_KEY); 086 087 // NXP-11215 Avoid NPE with not persisted documentModel 088 if (docLoc.getDocRef() == null) { 089 return null; 090 } 091 092 if (docLoc != null) { 093 List<String> items = new ArrayList<String>(); 094 items.add(getPrefix()); 095 items.add(docLoc.getServerName()); 096 items.add(docLoc.getDocRef().toString()); 097 items.add(property); 098 String uri = StringUtils.join(items, "/"); 099 uri += '/'; 100 101 Map<String, String> requestParams = new HashMap<String, String>(docView.getParameters()); 102 requestParams.remove(PROPERTY_PATH_KEY); 103 return URIUtils.addParametersToURIQuery(uri, requestParams); 104 } 105 return null; 106 } 107 108}