PatternEditor


1   /*
2    * Copyright 2002-2006 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
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  
17  package org.springframework.beans.propertyeditors;
18  
19  import java.beans.PropertyEditorSupport  ;
20  import java.util.regex.Pattern  ;
21  
22  /**
23   * Editor for <code>java.util.regex.Pattern</code>, to directly populate a Pattern property.
24   * Expects the same syntax as Pattern's <code>compile</code> method.
25   *
26   * <p>Since <code>java.util.regex.Pattern</code> is only available on JDK 1.4 or higher,
27   * this editor is only available on JDK 1.4 or higher as well.
28   *
29   * @author Juergen Hoeller
30   * @since 2.0.1
31   * @see java.util.regex.Pattern
32   * @see java.util.regex.Pattern#compile(String)
33   */
34  public class PatternEditor extends PropertyEditorSupport   {
35  
36      public void setAsText(String   text) {
37          setValue(text != null ? Pattern.compile(text) : null);
38      }
39  
40      public String   getAsText() {
41          Pattern   value = (Pattern  ) getValue();
42          return (value != null ? value.pattern() : "");
43      }
44  
45  }
46

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