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Posted to jetspeed-dev@portals.apache.org by ta...@apache.org on 2002/10/28 19:44:46 UTC

cvs commit: jakarta-jetspeed/src/java/org/apache/jetspeed/util OverwriteProperties.java

taylor      2002/10/28 10:44:46

  Added:       src/java/org/apache/jetspeed/util OverwriteProperties.java
  Log:
  Property merging utility for Tutorial (work in progress)
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/src/java/org/apache/jetspeed/util/OverwriteProperties.java
  
  Index: OverwriteProperties.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2001 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;
  
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.StringTokenizer;
  import java.io.FileReader;
  import java.io.BufferedReader;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.FileOutputStream;
  
  /**
   * Task to overwrite Properties: used for JRP, TRP and Torque.properties
   *
   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
   * @version $Id: OverwriteProperties.java,v 1.1 2002/10/28 18:44:46 taylor Exp $
   */
  public class OverwriteProperties
  {
      protected static String baseProperties;
      protected static String properties;
      protected static String includeRoot;
  
      public static boolean verbose = false;
  
      protected static ArrayList baseArray = new ArrayList(1024);
      protected static ArrayList removeArray = new ArrayList(128);
      protected static HashMap baseMap = new HashMap();
      protected static String lineSeparator = System.getProperty("line.separator", "\r\n");
  
      public static void main(String[] args) throws Exception
      {
          OverwriteProperties main=new OverwriteProperties();
  
          try
          {
              if(args.length < 3)
              {
                  System.out.println("Usage: java OverwriteProperties c:/temp/File1.props c:/temp/File2.props c:/include-root/");
                  System.out.println("Usage: File1 will be modified, new parameters from File 2 will be added,");
                  System.out.println("Usage: and same parameters will be updated. The include-root is where include files are found.");
                  throw new Exception("Incorrect number of arguments supplied");
              }
              baseProperties = args[0];
              properties = args[1];
              includeRoot = args[2];
  
  
              BufferedReader reader =  new BufferedReader(new FileReader(baseProperties));
              int index = 0;
              String key = null;
              String line = null;
              while((line = reader.readLine()) != null)
              {
                  StringTokenizer tokenizer = new StringTokenizer(line, "=");
                  baseArray.add(index, line);
                  if (verbose)
                  {
                      System.out.println("While reading baseArray["+index+"] = "+line);
                  }
                  if(tokenizer.countTokens() >= 1 && 
                     !line.startsWith("#") && 
                     !line.startsWith("include") &&
                     !line.startsWith("module.packages"))
                  {
                      key = tokenizer.nextToken().trim();
                      if(key != null && key.length() > 0)
                      {
                          baseMap.put(key, new Integer(index));
                          if (verbose)
                          {
                              System.out.println("baseMap["+key+","+index+"]");
                          }
                      }
                  }
                  index++;
              }
              reader.close();
              if (verbose)
              {
                  System.out.println("\nOverwrite with Delta\n");
              }
  
              readProperties(properties,index);
  
              boolean flags[] = removeProperties();
  
              baseArray.trimToSize();
              main.writeToFile(flags);
  
          }
          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(boolean [] flags) throws FileNotFoundException, IOException
      {
          FileOutputStream writer = new FileOutputStream(baseProperties);
          writer.flush();
          for(int i = 0; i < baseArray.size(); i++)
          {
              if (true == flags[i])
              {
                  if (verbose)
                  {
                      System.out.println("Skipping property["+i+"] = "+baseArray.get(i));
                  }
                  continue;
              }
              if (verbose)
              {
                  System.out.println("Writing property["+i+"] = "+baseArray.get(i));
              }
              writer.write(((String)baseArray.get(i)).getBytes());
              writer.write(lineSeparator.getBytes());
              writer.flush();
          }
          writer.close();
  
      }
  
      public static boolean[] removeProperties()
      {
  
          boolean flags[] = new boolean[baseArray.size()];
  
          for (int i = 0; i < baseArray.size(); i++)
          {
              flags[i] = false;
          }
          for (int ix = 0; ix < removeArray.size(); ix++)
          {
              String prefix = (String)removeArray.get(ix);
              for (int iy = 0; iy < baseArray.size(); iy++)
              {
                  String line = (String)baseArray.get(iy);
                  if (line.startsWith(prefix))
                  {
                      flags[iy] = true;
                      if (verbose)
                      {
                          System.out.println("flagging removal of property: " + line);
                      }
                  }
              }
          }
          return flags;
      }
  
      public static void readProperties(String propFile, int index)
          throws FileNotFoundException, IOException
      {
          BufferedReader reader = new BufferedReader(new FileReader(propFile));
          String key = null;
          String line = null;
  
          while((line = reader.readLine()) != null)
          {
              StringTokenizer tokenizer = new StringTokenizer(line, "=");
  
              int count = tokenizer.countTokens();
              if (count == 2 && line.startsWith("include"))
              {
                  key = tokenizer.nextToken().trim();
                  String includeFile = includeRoot + tokenizer.nextToken().trim();
                  System.out.println("include File = " + includeFile);
                  readProperties(includeFile, index);
                  continue;
              }                                                   
              if (count >= 1 &&  line.startsWith("module.packages"))
              {
                  baseArray.add(index, line);
                  if (verbose)
                  {
                      System.out.println("Adding module.package to baseArray["+index+"] = "+line);
                  }
                  index++;
  
                  key = line.trim();
                  if (baseMap.containsKey(key))
                  {
                      int ix = ((Integer)baseMap.get(key)).intValue();
                      baseArray.set( ix, line);
                      if(verbose)
                      {
                          System.out.println("Resetting baseArray["+ix+"] = "+line);
                      }
                  }
  
                  continue;
              }
              if (count >= 1 && line.startsWith("-")) // remove from base
              {
                  String prefix = line.trim().substring(1);
                  removeArray.add(prefix);
                  if (verbose)
                  {
                      System.out.println("Flagging for removal = "+line);
                  }
                  continue;
              }
              if (count >= 1 && !line.startsWith("#"))
              {
                  key = tokenizer.nextToken().trim();
                  if(key != null && key.length() > 0)
                  {
                      if(baseMap.containsKey(key))
                      {
                          int ix = ((Integer)baseMap.get(key)).intValue();
                          baseArray.set( ix, line);
                          if (verbose)
                          {
                              System.out.println("Resetting baseArray["+ix+"] = "+line);
                          }
                      }
                      else
                      {
                          baseArray.add(index, line);
                          if (verbose)
                          {
                              System.out.println("Adding new entry to baseArray["+index+"] = "+line);
                          }
                          baseMap.put(key, new Integer(index));
                          if (verbose)
                          {
                              System.out.println("baseMap["+key+","+index+"]");
                          }
                          index++;
                      }
                  }
              }
  
          }
          reader.close();
  
      }
  
  }
  
  
  
  
  

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