/**
    * Copyright 2007 Google Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.tonicsystems.jarjar;
  
  import java.util.*;
  
  abstract public class PatternElement
  {
      private String pattern;
      
      public void setPattern(String pattern) {
          this.pattern = pattern;
      }
  
      public String getPattern() {
          return pattern;
      }
  
      static List<Wildcard> createWildcards(List<? extends PatternElement> patterns) {
          List<Wildcard> wildcards = new ArrayList<Wildcard>();
          for (PatternElement pattern : patterns) {
              String result = (pattern instanceof Rule) ? ((Rule)pattern).getResult() : "";
              String expr = pattern.getPattern();
              if (expr.indexOf('/') >= 0)
                  throw new IllegalArgumentException("Patterns cannot contain slashes");
              wildcards.add(new Wildcard(expr.replace('.', '/'), result));
          }
          return wildcards;
      }
  }