/*
    * 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 org.basepom.mojo.duplicatefinder.classpath;
  
  import java.util.Collection;
  import java.util.regex.Pattern;
  
  import com.google.common.base.Predicate;
  import com.google.common.collect.ImmutableList;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static java.lang.String.format;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  class MatchPatternPredicate implements Predicate<String> {
  
      private static final Logger LOG = LoggerFactory.getLogger(MatchPatternPredicate.class);
  
      private final ImmutableList<Pattern> patterns;
  
      MatchPatternPredicate(final Collection<String> patternStrings) {
          checkNotNull(patternStrings, "patternStrings is null");
  
          final ImmutableList.Builder<Pattern> builder = ImmutableList.builder();
          for (final String patternString : patternStrings) {
              builder.add(Pattern.compile(patternString, Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE));
          }
  
          this.patterns = builder.build();
      }
  
      public ImmutableList<Pattern> getPatterns() {
          return patterns;
      }
  
      @Override
      public boolean apply(final String input) {
          if (input != null) {
              for (final Pattern pattern : patterns) {
                  if (pattern.matcher(input).matches()) {
                      LOG.debug(format("Ignoring '%s' (matches %s)", input, pattern.pattern()));
                      return true;
                  }
              }
          }
          return false;
      }
  }