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yacy_search_server/source/migration.java
danielr 621b473b18 * removed some warnings of findbugs (http://findbugs.sf.net) 
- removed unnecessary code (unused variables, String.toString)
- corrected some calculations (cast int to double or long ;)
- improved little performance (using Integer.valueOf() instead of new Integer)
- log if some File-actions fail (mkdir(), delete(), ...) and some ignored exceptions
- finalized some (more) fields
- finally close some streams
- made inner classes static if not using environment
- generalized some equals (from specificClass to Object)
- fixed some potential nullpointer accesses


git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5039 6c8d7289-2bf4-0310-a012-ef5d649a1542
2008-08-06 19:43:12 +00:00

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Java
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// migration.java
// -----------------------
// (C) by Alexander Schier
//
// last change: $LastChangedDate: $ by $LastChangedBy: $
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import java.io.File;
import java.io.IOException;
import de.anomic.data.listManager;
import de.anomic.http.httpd;
import de.anomic.kelondro.kelondroBase64Order;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaSwitchboardConstants;
import de.anomic.server.serverFileUtils;
import de.anomic.server.logging.serverLog;
public class migration {
//SVN constants
public static final int USE_WORK_DIR=1389; //wiki & messages in DATA/WORK
public static final int TAGDB_WITH_TAGHASH=1635; //tagDB keys are tagHashes instead of plain tagname.
public static final int NEW_OVERLAYS=4422;
public static void main(final String[] args) {
}
public static void migrate(final plasmaSwitchboard sb, final int fromRev, final int toRev){
if(fromRev < toRev){
if(fromRev < TAGDB_WITH_TAGHASH){
migrateBookmarkTagsDB(sb);
}
if(fromRev < NEW_OVERLAYS){
migrateDefaultFiles(sb);
}
serverLog.logInfo("MIGRATION", "Migrating from "+String.valueOf(fromRev)+ " to "+String.valueOf(toRev));
presetPasswords(sb);
migrateSwitchConfigSettings(sb);
migrateWorkFiles(sb);
}
installSkins(sb); // FIXME: yes, bad fix for quick release 0.47
}
/*
* remove the static defaultfiles. We use them through a overlay now.
*/
public static void migrateDefaultFiles(final plasmaSwitchboard sb){
File file=new File(sb.htDocsPath, "share/dir.html");
if(file.exists())
delete(file);
file=new File(sb.htDocsPath, "share/dir.class");
if(file.exists())
delete(file);
file=new File(sb.htDocsPath, "share/dir.java");
if(file.exists())
delete(file);
file=new File(sb.htDocsPath, "www/welcome.html");
if(file.exists())
delete(file);
file=new File(sb.htDocsPath, "www/welcome.java");
if(file.exists())
delete(file);
file=new File(sb.htDocsPath, "www/welcome.class");
if(file.exists())
delete(file);
}
public static void installSkins(final plasmaSwitchboard sb){
final File skinsPath = sb.getConfigPath("skinPath", "DATA/SKINS");
final File defaultSkinsPath = new File(sb.getRootPath(), "skins");
if(defaultSkinsPath.exists()){
final String[] skinFiles = listManager.getDirListing(defaultSkinsPath.getAbsolutePath());
mkdirs(skinsPath);
for(int i=0;i<skinFiles.length;i++){
if(skinFiles[i].endsWith(".css")){
try{
serverFileUtils.copy(new File(defaultSkinsPath, skinFiles[i]), new File(skinsPath, skinFiles[i]));
}catch(final IOException e){}
}
}
}
String skin=sb.getConfig("currentSkin", "default");
if(skin.equals("")){
skin="default";
}
final File skinsDir=sb.getConfigPath("skinPath", "DATA/SKINS");
final File skinFile=new File(skinsDir, skin+".css");
final File htdocsPath=new File(sb.getConfigPath(plasmaSwitchboardConstants.HTDOCS_PATH, plasmaSwitchboardConstants.HTROOT_PATH_DEFAULT), "env");
final File styleFile=new File(htdocsPath, "style.css");
if(!skinFile.exists()){
if(styleFile.exists()){
serverLog.logInfo("MIGRATION", "Skin "+skin+" not found. Keeping old skin.");
}else{
serverLog.logSevere("MIGRATION", "Skin "+skin+" and no existing Skin found.");
}
}else{
try {
mkdirs(styleFile.getParentFile());
serverFileUtils.copy(skinFile, styleFile);
serverLog.logInfo("MIGRATION", "copied new Skinfile");
} catch (final IOException e) {
serverLog.logSevere("MIGRATION", "Cannot copy skinfile.");
}
}
}
/**
* @param path
*/
private static void mkdirs(final File path) {
if (!path.exists()) {
if(!path.mkdirs())
serverLog.logWarning("MIGRATION", "could not create directories for "+ path);
}
}
public static void migrateBookmarkTagsDB(final plasmaSwitchboard sb){
sb.bookmarksDB.close();
final File tagsDBFile=new File(sb.workPath, "bookmarkTags.db");
if(tagsDBFile.exists()){
delete(tagsDBFile);
serverLog.logInfo("MIGRATION", "Migrating bookmarkTags.db to use wordhashs as keys.");
}
sb.initBookmarks();
}
/**
* @param filename
*/
private static void delete(final File filename) {
if(!filename.delete())
serverLog.logWarning("MIGRATION", "could not delete "+ filename);
}
public static void migrateWorkFiles(final plasmaSwitchboard sb){
File file=new File(sb.getRootPath(), "DATA/SETTINGS/wiki.db");
File file2;
if (file.exists()) {
serverLog.logInfo("MIGRATION", "Migrating wiki.db to "+ sb.workPath);
sb.wikiDB.close();
file2 = new File(sb.workPath, "wiki.db");
try {
serverFileUtils.copy(file, file2);
file.delete();
} catch (final IOException e) {
}
file = new File(sb.getRootPath(), "DATA/SETTINGS/wiki-bkp.db");
if (file.exists()) {
serverLog.logInfo("MIGRATION", "Migrating wiki-bkp.db to "+ sb.workPath);
file2 = new File(sb.workPath, "wiki-bkp.db");
try {
serverFileUtils.copy(file, file2);
file.delete();
} catch (final IOException e) {}
}
sb.initWiki();
}
file=new File(sb.getRootPath(), "DATA/SETTINGS/message.db");
if(file.exists()){
serverLog.logInfo("MIGRATION", "Migrating message.db to "+ sb.workPath);
sb.messageDB.close();
file2=new File(sb.workPath, "message.db");
try {
serverFileUtils.copy(file, file2);
file.delete();
} catch (final IOException e) {}
sb.initMessages();
}
}
public static void presetPasswords(final plasmaSwitchboard sb) {
// set preset accounts/passwords
String acc;
if ((acc = sb.getConfig("serverAccount", "")).length() > 0) {
sb.setConfig("serverAccountBase64MD5", de.anomic.server.serverCodings.encodeMD5Hex(kelondroBase64Order.standardCoder.encodeString(acc)));
sb.setConfig("serverAccount", "");
}
if ((acc = sb.getConfig("adminAccount", "")).length() > 0) {
sb.setConfig(httpd.ADMIN_ACCOUNT_B64MD5, de.anomic.server.serverCodings.encodeMD5Hex(kelondroBase64Order.standardCoder.encodeString(acc)));
sb.setConfig("adminAccount", "");
}
// fix unsafe old passwords
if ((acc = sb.getConfig("proxyAccountBase64", "")).length() > 0) {
sb.setConfig("proxyAccountBase64MD5", de.anomic.server.serverCodings.encodeMD5Hex(acc));
sb.setConfig("proxyAccountBase64", "");
}
if ((acc = sb.getConfig("serverAccountBase64", "")).length() > 0) {
sb.setConfig("serverAccountBase64MD5", de.anomic.server.serverCodings.encodeMD5Hex(acc));
sb.setConfig("serverAccountBase64", "");
}
if ((acc = sb.getConfig("adminAccountBase64", "")).length() > 0) {
sb.setConfig(httpd.ADMIN_ACCOUNT_B64MD5, de.anomic.server.serverCodings.encodeMD5Hex(acc));
sb.setConfig("adminAccountBase64", "");
}
if ((acc = sb.getConfig("uploadAccountBase64", "")).length() > 0) {
sb.setConfig("uploadAccountBase64MD5", de.anomic.server.serverCodings.encodeMD5Hex(acc));
sb.setConfig("uploadAccountBase64", "");
}
if ((acc = sb.getConfig("downloadAccountBase64", "")).length() > 0) {
sb.setConfig("downloadAccountBase64MD5", de.anomic.server.serverCodings.encodeMD5Hex(acc));
sb.setConfig("downloadAccountBase64", "");
}
}
public static void migrateSwitchConfigSettings(final plasmaSwitchboard sb) {
// migration for additional parser settings
String value = "";
if (((value = sb.getConfig("parseableMimeTypes","")).length() > 0) && (sb.getConfig("parseableMimeTypes.CRAWLER", "").length() == 0)) {
sb.setConfig("parseableMimeTypes.CRAWLER", value);
sb.setConfig("parseableMimeTypes.PROXY", value);
sb.setConfig("parseableMimeTypes.URLREDIRECTOR", value);
sb.setConfig("parseableMimeTypes.ICAP", value);
}
//Locales in DATA, because DATA must be writable, htroot not.
if(sb.getConfig("locale.translated_html", "DATA/LOCALE/htroot").equals("htroot/locale")){
sb.setConfig("locale.translated_html", "DATA/LOCALE/htroot");
}
// migration for blacklists
if ((value = sb.getConfig("proxyBlackListsActive","")).length() > 0) {
sb.setConfig("proxy.BlackLists", value);
sb.setConfig("crawler.BlackLists", value);
sb.setConfig("dht.BlackLists", value);
sb.setConfig("search.BlackLists", value);
sb.setConfig("surftips.BlackLists", value);
sb.setConfig("BlackLists.Shared",sb.getConfig("proxyBlackListsShared",""));
sb.setConfig("proxyBlackListsActive", "");
}
// migration of http specific crawler settings
if ((value = sb.getConfig("crawler.acceptLanguage","")).length() > 0) {
sb.setConfig("crawler.http.acceptEncoding", sb.getConfig("crawler.acceptEncoding","gzip,deflate"));
sb.setConfig("crawler.http.acceptLanguage", sb.getConfig("crawler.acceptLanguage","en-us,en;q=0.5"));
sb.setConfig("crawler.http.acceptCharset", sb.getConfig("crawler.acceptCharset","ISO-8859-1,utf-8;q=0.7,*;q=0.7"));
}
}
}
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