package org.apache.rat.mp;
   
   /*
    * 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 org.apache.rat.api.Document;
  import org.apache.rat.api.MetaData;
  import org.apache.rat.api.RatException;
  import org.apache.rat.document.impl.DocumentImplUtils;
  import org.apache.rat.report.IReportable;
  import org.apache.rat.report.RatReport;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.Reader;
  
  
  /**
   * Implementation of IReportable that traverses over a set of files.
   */
  class FilesReportable implements IReportable
  {
      private final File basedir;
  
      private final String[] files;
  
      FilesReportable( File basedir, String[] files )
              throws IOException
      {
          final File currentDir = new File( System.getProperty( "user.dir" ) ).getCanonicalFile();
          final File f = basedir.getCanonicalFile();
          if ( currentDir.equals( f ) )
          {
              this.basedir = null;
          }
          else
          {
              this.basedir = basedir;
          }
          this.files = files;
      }
  
      public void run( RatReport report ) throws RatException
      {
          FileDocument document = new FileDocument();
          for (String file : files) {
              document.setFile(new File(basedir, file));
              document.getMetaData().clear();
              report.report(document);
          }
      }
  
      private class FileDocument implements Document
      {
          private File file;
          private final MetaData metaData = new MetaData();
          
          void setFile( File file )
          {
              this.file = file;
          }
  
          public boolean isComposite() {
              return DocumentImplUtils.isZip(file);
          }
  
          public Reader reader() throws IOException
          {
              final InputStream in = new FileInputStream( file );
              return new InputStreamReader( in );
          }
  
          public String getName()
          {
              return DocumentImplUtils.toName( file );
          }
  
          public MetaData getMetaData() {
              return metaData;
          }
         
         public InputStream inputStream() throws IOException {
             return new FileInputStream(file);
         }
         
         @Override
         public String toString() {
             return "File:" + file.getAbsolutePath();
         }
     }
 }