1 /**
2 * Copyright (C) 2005-2009 Alfresco Software Limited.
3 *
4 * This file is part of the Spring Surf Extension project.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.springframework.extensions.webscripts;
20
21 import java.util.ArrayList;
22 import java.util.regex.Pattern;
23
24 /**
25 * Abstract store class provided as a convenience for developers
26 * who wish to build their own custom Store implementations for use
27 * with the Web Script framework.
28 *
29 * @author muzquiano
30 */
31 public abstract class AbstractStore implements Store
32 {
33 private PreviewContextProvider previewContextProvider = null;
34
35 /**
36 * Sets the preview context provider
37 *
38 * @param previewContextProvider
39 */
40 public void setPreviewContextProvider(PreviewContextProvider previewContextProvider)
41 {
42 this.previewContextProvider = previewContextProvider;
43 }
44
45 /**
46 * Gets the preview context
47 *
48 * @return preview context
49 */
50 public PreviewContext getPreviewContext()
51 {
52 PreviewContext previewContext = null;
53
54 if (this.previewContextProvider != null)
55 {
56 previewContext = this.previewContextProvider.provide();
57 }
58
59 return previewContext;
60 }
61
62 /* (non-Javadoc)
63 * @see org.alfresco.web.scripts.Store#getDocumentPaths(java.lang.String, java.lang.String)
64 */
65 public String[] getDocumentPaths(String path, String filePathPattern)
66 {
67 /**
68 * An in-memory full-path pattern matching implementation of the
69 * getDocumentPaths method for file path pattern matching.
70 *
71 * Inheriting classes may wish to override this to provide more
72 * efficient lookups.
73 */
74
75 ArrayList<String> array = new ArrayList<String>(64);
76
77 // convert to a regular expression
78 String regexPattern = filePathPattern.replaceAll("\\*", ".*");
79 if (!regexPattern.startsWith(".*"))
80 {
81 regexPattern = ".*" + regexPattern;
82 }
83
84 // compile regular expression
85 Pattern pattern = Pattern.compile(regexPattern);
86
87 // get all document paths
88 String[] allDocumentPaths = this.getAllDocumentPaths();
89
90 // process matches
91 for (int i = 0; i < allDocumentPaths.length; i++)
92 {
93 String documentPath = allDocumentPaths[i];
94
95 // fix up document paths so they match /a/b/c.gif
96
97 documentPath = documentPath.replace("\\", "/");
98 if (!documentPath.startsWith("/"))
99 {
100 documentPath = "/" + documentPath;
101 }
102
103 if (pattern.matcher(documentPath).matches())
104 {
105 if (documentPath.startsWith("/"))
106 {
107 documentPath = documentPath.substring(1);
108 }
109 array.add(documentPath);
110 }
111 }
112
113 return array.toArray(new String[array.size()]);
114 }
115 }