package org.apache.maven.shared.jar;
   
   /*
    * 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.
   */
  
  import junit.framework.AssertionFailedError;
  import org.codehaus.plexus.PlexusTestCase;
  
  import java.io.File;
  import java.io.UnsupportedEncodingException;
  import java.net.MalformedURLException;
  import java.net.URLDecoder;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  /**
   * Abstract JarAnalyzer TestCase
   */
  public abstract class AbstractJarAnalyzerTestCase
      extends PlexusTestCase
  {
      public File getSampleJar( String filename )
          throws MalformedURLException, 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" ) );
      }
  
      public void assertNotContainsRegex( String msg, String regex, Collection coll )
      {
          List failures = new ArrayList();
          Pattern pat = Pattern.compile( regex );
          Iterator it = coll.iterator();
          while ( it.hasNext() )
          {
              String value = (String) it.next();
              Matcher mat = pat.matcher( value );
              if ( mat.find() )
              {
                  failures.add( value );
              }
          }
  
          if ( !failures.isEmpty() )
          {
              StringBuffer sb = new StringBuffer();
              sb.append( msg ).append( " collection has illegal regex \"" ).append( regex ).append( "\"" );
              it = failures.iterator();
              while ( it.hasNext() )
              {
                  sb.append( "\n   - \"" ).append( it.next() ).append( "\"" );
              }
              throw new AssertionFailedError( sb.toString() );
          }
      }
  }