View Javadoc
1   /**
2    * This file Copyright (c) 2011-2018 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.cms.util;
35  
36  import info.magnolia.cms.core.Content;
37  import info.magnolia.cms.core.NodeData;
38  
39  import java.util.Collection;
40  import java.util.regex.Matcher;
41  import java.util.regex.Pattern;
42  
43  /**
44   * A {@link info.magnolia.cms.util.ContentUtil.Visitor} which allows simple search/replace functionality.
45   *
46   * For sample usage, see {@link SearchReplaceTest}.
47   *
48   * @deprecated since 4.5, declared deprecated in 5.6.
49   */
50  @Deprecated
51  public class SearchReplace implements ContentUtil.Visitor {
52      private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(SearchReplace.class);
53  
54      final String propertyNamePattern;
55      final String search;
56      final String replace;
57  
58      private final Pattern searchPattern;
59  
60      /**
61       * A search and replace which searches for literal occurrences of <code>search</code>.
62       *
63       * @see Pattern#LITERAL
64       */
65      public SearchReplace(String propertyNamePattern, String search, String replace) {
66          this(propertyNamePattern, search, replace, Pattern.LITERAL);
67      }
68  
69      /**
70       * A search and replace which can use parameterized substitution; use 0 for the default java.util.Pattern behavior.
71       */
72      public SearchReplace(String propertyNamePattern, String search, String replace, int regexFlags) {
73          this.propertyNamePattern = propertyNamePattern;
74          this.search = search;
75          this.replace = replace;
76  
77          this.searchPattern = Pattern.compile(search, regexFlags);
78      }
79  
80      @Override
81      public void visit(Content node) throws Exception {
82          final Collection<NodeData> props = node.getNodeDataCollection(propertyNamePattern);
83          for (NodeData prop : props) {
84              if (prop.isExist()) {
85                  final String oldValue = prop.getString();
86                  final StringBuffer newValue = new StringBuffer();
87                  final Matcher matcher = searchPattern.matcher(oldValue);
88                  int count = 0;
89                  while (matcher.find()) {
90                      final String group = matcher.group();
91                      matcher.appendReplacement(newValue, replace);
92                      count++;
93                  }
94                  matcher.appendTail(newValue);
95                  onPropertyVisit(prop, count, oldValue, newValue);
96                  prop.setValue(newValue.toString());
97              }
98          }
99      }
100 
101     protected void onPropertyVisit(NodeData prop, int count, String oldValue, StringBuffer newValue) {
102         log.debug(String.format("Found %d occurences of %s at %s", count, search, prop.getHandle()));
103         log.debug(String.format("   old value:\n %s\n\nnew value:\n%s", oldValue, newValue.toString()));
104     }
105 
106 }