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From tay...@apache.org
Subject cvs commit: jakarta-jetspeed/src/java/org/apache/jetspeed/util/file MergeFiles.java
Date Sat, 03 May 2003 00:20:43 GMT
taylor      2003/05/02 17:20:42

  Added:       src/java/org/apache/jetspeed/util/file MergeFiles.java
  Log:
  Merge files utility
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/src/java/org/apache/jetspeed/util/file/MergeFiles.java
  
  Index: MergeFiles.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. 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.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *     "Apache Jetspeed" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache" or
   *    "Apache Jetspeed", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.jetspeed.util.file;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Vector;
  import java.io.FileReader;
  import java.io.BufferedReader;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.FileOutputStream;
  import java.io.File;
  
  /**
  * Task to merge files to create the database script
  *
  * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
  * @version $Id: MergeFiles.java,v 1.1 2003/05/03 00:20:42 taylor Exp $
  */
  public class MergeFiles
  {
      protected static List files;
      protected static String dest_file = null;
  
      public static boolean verbose = false;
  
      protected static ArrayList baseArray = new ArrayList(1024);
      protected static String lineSeparator = System.getProperty("line.separator", "\r\n");
  
      public static void main(String[] args) throws Exception
      {
          MergeFiles main=new MergeFiles();
  
          try
          {
              if(args.length < 2)
              {
                  System.out.println("Usage: java MergeFiles [scratch/drop] c:/temp/all.sql
c:/temp/dbpsml.sql c:/temp/populate.sql .... c:/temp/File(n)");
                  System.out.println("Usage: If scratch is specified then all sql statements
starting with DROP will be overlooked.");
                  System.out.println("Usage: If drop is specified then only sql statements
starting with DROP will be added.");
                  System.out.println("Usage: All the files listed after c:/temp/all.sql will
be added to c:/temp/all.sql");
                  throw new Exception("Incorrect number of arguments supplied");
              }
              int file_index = 0;
              boolean db_from_scratch = false;
              boolean db_drop = false;
  
              if (args[0].equals("scratch"))
              {
                  file_index = 1;
                  db_from_scratch = true;
              }
              else if (args[0].equals("drop"))
              {
                  file_index = 1;
                  db_drop = true;                
              }
  
              files = new Vector(args.length - 1 - file_index);
              dest_file = args[file_index];
              for (int index = (file_index + 1); index < args.length; index++)
              {
                  files.add(args[index]);
              }
  
              for (int index = 0; index < files.size(); index++)
              {
                  BufferedReader reader =  new BufferedReader(new FileReader((String)files.get(index)));
                  String line = null;
                  int idx = 0;
                  while((line = reader.readLine()) != null)
                  {   if (line.startsWith("#"))
                      {
                          continue;
                      }
                      if (db_from_scratch)
                      {
                          if (!(line.startsWith("DROP") || 
                                line.startsWith("drop") || 
                                line.startsWith("Drop")))
                          {
                              baseArray.add(idx, line);
                              idx++;
                          }
                      }
                      else if (db_drop)
                      {
                          if ( (line.startsWith("DROP") || 
                                line.startsWith("drop") || 
                                line.startsWith("Drop")))
                          {
                              baseArray.add(idx, line);
                              idx++;
                          }                        
                      }
                      else
                      {
                          baseArray.add(idx, line);
                          idx++;
                      }
                      if(verbose)
                          System.out.println("While reading baseArray["+idx+"] = " + line);
                  }
                  reader.close();
              }
              if(verbose)
                  System.out.println("\nMerge Files\n");
  
              baseArray.add("commit;");
              baseArray.trimToSize();
  
              main.writeToFile();
  
          }
          catch(FileNotFoundException ex)
          {
              System.err.println(ex.getMessage());
          }
          catch(IOException ex)
          {
              System.err.println(ex.getMessage());
          }
          catch(SecurityException ex)
          {
              System.err.println(ex.getMessage());
          }
      }
  
      public void writeToFile() throws FileNotFoundException, IOException
      {
          FileOutputStream writer = null;
          try
          {
              writer = new FileOutputStream(dest_file);
          }
          catch (FileNotFoundException ex)
          {
              File file = new File(dest_file);
              writer = new FileOutputStream(file, false);
          }
          writer.flush();
          for (int i = 0; i < baseArray.size(); i++)
          {
              if(verbose)
                  System.out.println("While writing baseArray["+i+"] = " + baseArray.get(i));
              writer.write(((String)baseArray.get(i)).getBytes());
              writer.write(lineSeparator.getBytes());
              writer.flush();
          }
          writer.close();
  
      }
  
  
  }
  
  
  
  

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