package us.codecraft.webmagic.handler;
   
   import us.codecraft.webmagic.Request;
   
   import java.util.regex.Pattern;
   
   /**
    * Created with IntelliJ IDEA.
    * User: Sebastian MA
   * Date: April 03, 2014
   * Time: 10:00
   * <p>
   * A PatternHandler is in charge of both page extraction and data processing by implementing
   * its two abstract methods.
   */
  public abstract class PatternRequestMatcher implements RequestMatcher {
  
      /**
       * match pattern. only matched page should be handled.
       */
      protected String pattern;
  
      private Pattern patternCompiled;
  
      /**
       * @param pattern url pattern to handle
       */
      public PatternRequestMatcher(String pattern) {
          this.pattern = pattern;
          this.patternCompiled = Pattern.compile(pattern);
      }
  
      @Override
      public boolean match(Request request) {
          return patternCompiled.matcher(request.getUrl()).matches();
      }
  }