package org.apache.maven.surefire.booter;
   
   /*
    * 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.
   */
  
  /**
   * Configuration that is used by the SurefireStarter but does not make it into the provider itself.
   *
   * @author Kristian Rosenvold
   */
  public class StartupConfiguration
  {
      private final String providerClassName;
  
      private final ClasspathConfiguration classpathConfiguration;
  
      private final ClassLoaderConfiguration classLoaderConfiguration;
  
      private final boolean isForkRequested;
  
      private final boolean isInForkedVm;
  
      private static final String SUREFIRE_TEST_CLASSPATH = "surefire.test.class.path";
  
  
      public StartupConfiguration( String providerClassName, ClasspathConfiguration classpathConfiguration,
                                   ClassLoaderConfiguration classLoaderConfiguration, boolean isForkRequested,
                                   boolean inForkedVm )
      {
          this.classpathConfiguration = classpathConfiguration;
          this.classLoaderConfiguration = classLoaderConfiguration;
          this.isForkRequested = isForkRequested;
          this.providerClassName = providerClassName;
          isInForkedVm = inForkedVm;
      }
  
      public boolean isProviderMainClass()
      {
          return providerClassName.endsWith( "#main" );
      }
  
      public static StartupConfiguration inForkedVm( String providerClassName,
                                                     ClasspathConfiguration classpathConfiguration,
                                                     ClassLoaderConfiguration classLoaderConfiguration )
      {
          return new StartupConfiguration( providerClassName, classpathConfiguration, classLoaderConfiguration, true,
                                           true );
      }
  
      public ClasspathConfiguration getClasspathConfiguration()
      {
          return classpathConfiguration;
      }
  
      public boolean useSystemClassLoader()
      {
          // todo; I am not totally convinced this logic is as simple as it could be
          return classLoaderConfiguration.isUseSystemClassLoader() && ( isInForkedVm || isForkRequested );
      }
  
      public boolean isManifestOnlyJarRequestedAndUsable()
      {
          return classLoaderConfiguration.isManifestOnlyJarRequestedAndUsable();
      }
  
      public String getProviderClassName()
      {
          return providerClassName;
      }
  
      public String getActualClassName()
      {
          if ( isProviderMainClass() )
          {
              return stripEnd( providerClassName, "#main" );
          }
          return providerClassName;
      }
  
      /**
       * <p>Strip any of a supplied String from the end of a String.</p>
       * <p/>
       * <p>If the strip String is <code>null</code>, whitespace is
      * stripped.</p>
      *
      * @param str   the String to remove characters from
      * @param strip the String to remove
      * @return the stripped String
      */
     public static String stripEnd( String str, String strip )
     {
         if ( str == null )
         {
             return null;
         }
         int end = str.length();
 
         if ( strip == null )
         {
             while ( ( end != 0 ) && Character.isWhitespace( str.charAt( end - 1 ) ) )
             {
                 end--;
             }
         }
         else
         {
             while ( ( end != 0 ) && ( strip.indexOf( str.charAt( end - 1 ) ) != -1 ) )
             {
                 end--;
             }
         }
         return str.substring( 0, end );
     }
 
     public ClassLoaderConfiguration getClassLoaderConfiguration()
     {
         return classLoaderConfiguration;
     }
 
     public boolean isShadefire()
     {
         return providerClassName.startsWith( "org.apache.maven.surefire.shadefire" );
     }
 
     public void writeSurefireTestClasspathProperty()
     {
         ClasspathConfiguration classpathConfiguration = getClasspathConfiguration();
         classpathConfiguration.getTestClasspath().writeToSystemProperty( SUREFIRE_TEST_CLASSPATH );
     }
 
 }