plugins/InspectionGadgets/src/com/siyeh/ig/RegExFormatter.java

   1 /*
   2  * Copyright 2003-2006 Dave Griffith, Bas Leijdekkers
   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 package com.siyeh.ig;
  17
  18 import javax.swing.text.DefaultFormatter;
  19 import java.text.ParseException;
  20 import java.util.regex.Pattern;
  21 import java.util.regex.PatternSyntaxException;
  22
  23 public class RegExFormatter extends DefaultFormatter {
  24
  25     public RegExFormatter() {
  26         super();
  27         setOverwriteMode(false);
  28     }
  29
  30     public Object stringToValue(String string) throws ParseException {
  31         try {
  32             return Pattern.compile(string);
  33         } catch (final PatternSyntaxException e) {
  34             throw new ParseException(e.getMessage(), e.getIndex());
  35         }
  36     }
  37
  38     public String valueToString(Object value) throws ParseException {
  39         if (value == null) {
  40             return "";
  41         }
  42         return ((Pattern) value).pattern();
  43     }
  44 }