1 /**
2 * This file Copyright (c) 2013 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.commands.impl;
35
36 import info.magnolia.context.Context;
37 import info.magnolia.jcr.util.NodeTypes;
38
39 import java.util.Calendar;
40 import java.util.regex.Matcher;
41 import java.util.regex.Pattern;
42
43 import javax.jcr.Node;
44
45 import org.apache.commons.lang.StringUtils;
46
47 /**
48 * Extracts comment from the resource and put it in the context. Regular java regex pattern is used
49 * for extraction. Using commentTemplate it is possible to format extracted comment info further.
50 */
51 public class ExtractCommentCommand extends BaseRepositoryCommand {
52
53 private String pattern;
54
55 private String commentTemplate;
56
57 @Override
58 public boolean execute(Context context) throws Exception {
59 Node node = getJCRNode(context);
60 if (node == null) {
61 return false;
62 }
63 Calendar creationDate = NodeTypes.Created.getCreated(node);
64 if (creationDate == null || creationDate.equals(NodeTypes.LastModified.getLastModified(node))) {
65 return false;
66 }
67 if(node.hasProperty("text")){
68 String text = node.getProperty("text").getString();
69
70 Pattern pattern = Pattern.compile(getPattern());
71 Matcher matcher = pattern.matcher(text);
72 if (StringUtils.isBlank(commentTemplate)) {
73 if (matcher.find())
74 {
75 context.put("comment", matcher.group(1));
76 }
77 } else {
78 if (matcher.find()) {
79 for (int idx = 1; idx <= matcher.groupCount(); idx++) {
80 commentTemplate = commentTemplate.replaceAll("\\(" + idx + "\\)", matcher.group(idx));
81 }
82 }
83 context.put("comment", commentTemplate);
84 }
85 }
86 return true;
87 }
88
89 private String getPattern() {
90 return pattern;
91 }
92
93 public void setPattern(String pattern) {
94 this.pattern = pattern;
95 }
96
97 public String getCommentTemplate() {
98 return commentTemplate;
99 }
100
101 public void setCommentTemplate(String commentTemplate) {
102 this.commentTemplate = commentTemplate;
103 }
104 }