/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.apache.maven.shared.jar;
  
  import java.io.File;
  import java.io.UnsupportedEncodingException;
  import java.net.URLDecoder;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.opentest4j.AssertionFailedError;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  
  /**
   * Abstract JarAnalyzer TestCase
   */
  public abstract class AbstractJarAnalyzerTestCase {
  
      protected File getSampleJar(String filename) throws UnsupportedEncodingException {
          String path = getClass().getResource("/jars/" + filename).getPath();
          // URLDecoder.decode necessary for JDK 1.5+, where spaces are escaped to %20
          return new File(URLDecoder.decode(path, UTF_8.name()));
      }
  
      protected void assertNotContainsRegex(String msg, String regex, Collection<String> coll) {
          List<String> failures = new ArrayList<>();
          Pattern pat = Pattern.compile(regex);
          for (String value : coll) {
              Matcher mat = pat.matcher(value);
              if (mat.find()) {
                  failures.add(value);
              }
          }
  
          if (!failures.isEmpty()) {
              StringBuilder sb = new StringBuilder();
              sb.append(msg)
                      .append(" collection has illegal regex \"")
                      .append(regex)
                      .append("\"");
              for (String failure : failures) {
                  sb.append("\n   - \"").append(failure).append("\"");
              }
              throw new AssertionFailedError(sb.toString());
          }
      }
  }