PatternDelegate


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.valid;
16  
17  /**
18   * Implementations of this interface will provide pattern utility services.
19   * 
20   * @author  Harish Krishnaswamy
21   * @since   3.0
22   */
23  public interface PatternDelegate
24  {
25      /**
26       * Answers the question whether the input string fulfills the pattern string provided.
27       * 
28       * @param patternString The pattern that the input string is compared against.
29       * @param input The string under test.
30       * @return Returns true if the pattern exists in the input string; returns false otherwise.
31       */
32      public boolean contains(String   patternString, String   input);
33      
34      /**
35       * Returns the escaped sequence of characters representing the pattern string provided.
36       * 
37       * @param patternString The raw sequence of characters that represent the pattern.
38       * @return The escaped sequence of characters that represent the pattern.
39       */
40      public String   getEscapedPatternString(String   patternString);
41  }
42

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