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      1 /**
      2  * Copyright 2007 Google Inc.
      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 com.tonicsystems.jarjar;
     18 
     19 import java.util.*;
     20 
     21 abstract public class PatternElement
     22 {
     23     private String pattern;
     24 
     25     public void setPattern(String pattern) {
     26         this.pattern = pattern;
     27     }
     28 
     29     public String getPattern() {
     30         return pattern;
     31     }
     32 
     33     static List<Wildcard> createWildcards(List<? extends PatternElement> patterns) {
     34         List<Wildcard> wildcards = new ArrayList<Wildcard>();
     35         for (PatternElement pattern : patterns) {
     36             String result = (pattern instanceof Rule) ? ((Rule)pattern).getResult() : "";
     37             String expr = pattern.getPattern();
     38             if (expr.indexOf('/') >= 0)
     39                 throw new IllegalArgumentException("Patterns cannot contain slashes");
     40             wildcards.add(new Wildcard(expr.replace('.', '/'), result));
     41         }
     42         return wildcards;
     43     }
     44 }
     45