/*
    * Copyright (C) 2009 Christian Schulte <cs@schulte.it>
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *   o Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *
   *   o Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in
   *     the documentation and/or other materials provided with the
   *     distribution.
   *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * $JOMC: ValidateClassesCommand.java 5251 2016-04-25 19:46:04Z schulte $
   *
   */
  package org.jomc.cli.commands;
  
  import java.io.IOException;
  import java.util.Locale;
  import java.util.logging.Level;
  import javax.xml.bind.JAXBContext;
  import javax.xml.bind.JAXBException;
  import javax.xml.bind.Marshaller;
  import javax.xml.bind.util.JAXBSource;
  import javax.xml.transform.Source;
  import org.apache.commons.cli.CommandLine;
  import org.jomc.model.Implementation;
  import org.jomc.model.Module;
  import org.jomc.model.Specification;
  import org.jomc.modlet.Model;
  import org.jomc.modlet.ModelContext;
  import org.jomc.modlet.ModelException;
  import org.jomc.modlet.ModelValidationReport;
  import org.jomc.modlet.ObjectFactory;
  import org.jomc.tools.ClassFileProcessor;
  
  /**
   * {@code validate-classes} command implementation.
   *
   * @author <a href="mailto:cs@schulte.it">Christian Schulte</a>
   */
  public final class ValidateClassesCommand extends AbstractClassFileProcessorCommand
  {
  
      /**
       * Creates a new {@code ValidateClassesCommand} instance.
       */
      public ValidateClassesCommand()
      {
          super();
      }
  
      public String getName()
      {
          return "validate-classes";
      }
  
      public String getAbbreviatedName()
      {
          return "vc";
      }
  
      public String getShortDescription( final Locale locale )
      {
          return Messages.getMessage( "validateClassesShortDescription" );
      }
  
      public String getLongDescription( final Locale locale )
      {
          return null;
      }
  
      protected void processClassFiles( final CommandLine commandLine ) throws CommandExecutionException
      {
          if ( commandLine == null )
          {
              throw new NullPointerException( "commandLine" );
          }
  
          CommandLineClassLoader classLoader = null;
  
          try
          {
              classLoader = new CommandLineClassLoader( commandLine );
             final ModelContext context = this.createModelContext( commandLine, classLoader );
             final Model model = this.getModel( context, commandLine );
             final JAXBContext jaxbContext = context.createContext( model.getIdentifier() );
             final Marshaller marshaller = context.createMarshaller( model.getIdentifier() );
             final Source source = new JAXBSource( jaxbContext, new ObjectFactory().createModel( model ) );
             ModelValidationReport validationReport = context.validateModel( model.getIdentifier(), source );
             this.log( validationReport, marshaller );
 
             if ( !validationReport.isModelValid() )
             {
                 throw new CommandExecutionException( Messages.getMessage( "invalidModel",
                                                                           this.getModel( commandLine ) ) );
 
             }
 
             final ClassFileProcessor tool = this.createClassFileProcessor( commandLine );
             tool.setModel( model );
 
             final Specification specification = this.getSpecification( commandLine, model );
             final Implementation implementation = this.getImplementation( commandLine, model );
             final Module module = this.getModule( commandLine, model );
 
             if ( specification != null )
             {
                 validationReport = tool.validateModelObjects( specification, context );
 
                 if ( validationReport != null )
                 {
                     this.log( validationReport, marshaller );
 
                     if ( !validationReport.isModelValid() )
                     {
                         throw new CommandExecutionException( Messages.getMessage( "invalidClasses" ) );
                     }
                 }
             }
 
             if ( implementation != null )
             {
                 validationReport = tool.validateModelObjects( implementation, context );
 
                 if ( validationReport != null )
                 {
                     this.log( validationReport, marshaller );
 
                     if ( !validationReport.isModelValid() )
                     {
                         throw new CommandExecutionException( Messages.getMessage( "invalidClasses" ) );
                     }
                 }
             }
 
             if ( module != null )
             {
                 validationReport = tool.validateModelObjects( module, context );
 
                 if ( validationReport != null )
                 {
                     this.log( validationReport, marshaller );
 
                     if ( !validationReport.isModelValid() )
                     {
                         throw new CommandExecutionException( Messages.getMessage( "invalidClasses" ) );
                     }
                 }
             }
 
             if ( this.isModulesProcessingRequested( commandLine ) )
             {
                 validationReport = tool.validateModelObjects( context );
 
                 if ( validationReport != null )
                 {
                     this.log( validationReport, marshaller );
 
                     if ( !validationReport.isModelValid() )
                     {
                         throw new CommandExecutionException( Messages.getMessage( "invalidClasses" ) );
                     }
                 }
             }
 
             classLoader.close();
             classLoader = null;
         }
         catch ( final JAXBException e )
         {
             String message = Messages.getMessage( e );
             if ( message == null )
             {
                 message = Messages.getMessage( e.getLinkedException() );
             }
 
             throw new CommandExecutionException( message, e );
         }
         catch ( final ModelException e )
         {
             throw new CommandExecutionException( Messages.getMessage( e ), e );
         }
         catch ( final IOException e )
         {
             throw new CommandExecutionException( Messages.getMessage( e ), e );
         }
         finally
         {
             try
             {
                 if ( classLoader != null )
                 {
                     classLoader.close();
                 }
             }
             catch ( final IOException e )
             {
                 this.log( Level.SEVERE, Messages.getMessage( e ), e );
             }
         }
     }
 
 }