Package com.ecyrd.jspwiki.util

Source Code of com.ecyrd.jspwiki.util.ProviderConverter

/*
    JSPWiki - a JSP-based WikiWiki clone.

    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. 
*/
package com.ecyrd.jspwiki.util;

import java.io.File;
import java.io.IOException;
import java.util.*;

import org.apache.commons.lang.SystemUtils;

import com.ecyrd.jspwiki.*;
import com.ecyrd.jspwiki.providers.AbstractFileProvider;
import com.ecyrd.jspwiki.providers.VersioningFileProvider;
import com.ecyrd.jspwiki.providers.WikiPageProvider;

/**
*  A command-line application that allows you to convert from
*  one provider to another.  Currently this only supports
*  conversion from RCSFileProvider to VersioningFileProvider.
<p>
*  This class is mostly a hack, so do not trust it very much.
*  It leaves the converted directory in /tmp/converter-tmp/
*  and does not touch the original in any way.
*
@since
*/
public class ProviderConverter
{
    private String m_rcsSourceDir;
   
    protected void setRCSSourceDir( String dir )
    {
        m_rcsSourceDir = dir;
    }

    private static final String[] WINDOWS_DEVICE_NAMES =
    {
        "con", "prn", "nul", "aux", "lpt1", "lpt2", "lpt3", "lpt4", "lpt5", "lpt6", "lpt7", "lpt8", "lpt9",
        "com1", "com2", "com3", "com4", "com5", "com6", "com7", "com8", "com9"
    };
   
    protected String mangleName( String pagename )
    {
        pagename = TextUtil.urlEncode( pagename, "UTF-8" );
       
        pagename = TextUtil.replaceString( pagename, "/", "%2F" );

        if( SystemUtils.IS_OS_WINDOWS )
        {
            String pn = pagename.toLowerCase();
            for( int i = 0; i < WINDOWS_DEVICE_NAMES.length; i++ )
            {
                if( WINDOWS_DEVICE_NAMES[i].equals(pn) )
                {
                    pagename = "$$$" + pagename;
                }
            }
        }
       
        return pagename;
    }

    protected void convert()
        throws WikiException, IOException
    {
        Properties props = new Properties();
       
        props.setProperty( WikiEngine.PROP_APPNAME, "JSPWikiConvert" );
        props.setProperty( AbstractFileProvider.PROP_PAGEDIR, m_rcsSourceDir );
        props.setProperty( PageManager.PROP_PAGEPROVIDER, "RCSFileProvider" );
        props.setProperty( PageManager.PROP_USECACHE, "false" );
        props.setProperty( "log4j.appender.outlog", "org.apache.log4j.ConsoleAppender" );
        props.setProperty( "log4j.appender.outlog.layout", "org.apache.log4j.PatternLayout" );
        props.setProperty( "jspwiki.useLucene", "false" );
        props.setProperty( "log4j.rootCategory", "INFO,outlog" );
        WikiEngine engine = new WikiEngine( props );

        WikiPageProvider sourceProvider = engine.getPageManager().getProvider();
       
        File tmpDir = new File( SystemUtils.JAVA_IO_TMPDIR, "converter-tmp" );
       
        props.setProperty( AbstractFileProvider.PROP_PAGEDIR, tmpDir.getAbsolutePath() );
        WikiPageProvider destProvider = new VersioningFileProvider();
       
        destProvider.initialize( engine, props );
       
        Collection allPages = sourceProvider.getAllPages();
       
        int idx = 1;
       
        for( Iterator i = allPages.iterator(); i.hasNext(); )
        {
            WikiPage p = (WikiPage)i.next();
           
            System.out.println("Converting page: "+p.getName()+" ("+idx+"/"+allPages.size()+")");
            List pageHistory = engine.getVersionHistory( p.getName() );
           
           
            for( ListIterator v = pageHistory.listIterator(pageHistory.size()); v.hasPrevious(); )
            {
                WikiPage pv = (WikiPage)v.previous();
               
                String text = engine.getPureText( pv.getName(), pv.getVersion() );
               
                destProvider.putPageText( pv, text );
            }
           
            //
            //  Do manual setting now
            //
           
            for( Iterator v = pageHistory.iterator(); v.hasNext(); )
            {
                WikiPage pv = (WikiPage)v.next();

                File f = new File( tmpDir, "OLD" );
                f = new File( f, mangleName(pv.getName()) );
                f = new File( f, pv.getVersion()+".txt" );
               
                System.out.println("   Setting old version "+pv.getVersion()+" to date "+pv.getLastModified() );
                f.setLastModified( pv.getLastModified().getTime() );
            }
           
            idx++;
        }
       
        tmpDir.delete();
    }
   
    /**
     * @param args Normal arguments.
     */
    public static void main( String[] args )
        throws Exception
    {
        ProviderConverter c = new ProviderConverter();
       
        c.setRCSSourceDir( args[0] );
       
        c.convert();
    }

}
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