dirlisting for all empty directories.

no problem to update dir.java anymore, because its only in htroot/htdocsdefault needed.
migration to delete old dir.* files in the fileshare

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2294 6c8d7289-2bf4-0310-a012-ef5d649a1542

ChangeLog

@@ -5,6 +5,7 @@ version 0.46
 	* ADDED: Form-Login on User.html
 	* ADDED: nice Errorpage for httpauth-fail.
 	* ADDED: support to generate gettext locales and parse them.
+	* CHANGED: new dirlisting support for empty directories instead of copying dir.* into them.
 
 version 0.45
 	* UPDATED: new Design of search page

source/de/anomic/http/httpdFileHandler.java

@@ -439,17 +439,21 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
                 // attach default file name
                 for (int i = 0; i < defaultFiles.length; i++) {
                     testpath = path + defaultFiles[i];
-                    targetFile = getLocalizedFile(testpath);
+                    targetFile = getOverlayedFile(testpath);
-                    targetClass = rewriteClassFile(new File(htDefaultPath, testpath));
+                    targetClass=getOverlayedClass(testpath);
-                    if (!(targetFile.exists())){
-                        targetFile = new File(htDocsPath, testpath);
-                        targetClass = rewriteClassFile(targetFile);
-                    }
                     if (targetFile.exists()) {
                         path = testpath;
                         break;
                     }
                 }
+                //no defaultfile, send a dirlisting
+                if(targetFile == null || !targetFile.exists()){
+                    targetFile = getOverlayedFile("/htdocsdefault/dir.html");
+                    targetClass=getOverlayedClass("/htdocsdefault/dir.html");
+                    if(! (( targetFile != null && targetFile.exists()) && ( targetClass != null && targetClass.exists())) ){
+                        httpd.sendRespondError(this.connectionProperties,out,3,500,"dir.html or dir.class not found.",null,null);
+                    }
+                }
             }else{
                     //XXX: you cannot share a .png/.gif file with a name like a class in htroot.
                     if ( !(targetFile.exists()) && !((path.endsWith("png")||path.endsWith("gif")||path.endsWith(".stream"))&&targetClass!=null ) ){
@@ -572,14 +576,15 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
                         path.endsWith("rss") || 
                         path.endsWith("csv") ||
                         path.endsWith("pac") ||
-                        path.endsWith("src")) {
+                        path.endsWith("src") ||
+                        path.endsWith("/")) {
                             
-                    targetFile = getLocalizedFile(path);
+                    /*targetFile = getLocalizedFile(path);
 					if (!(targetFile.exists())) {
 		                // try to find that file in the htDocsPath
 				        File trialFile = new File(htDocsPath, path);
 						if (trialFile.exists()) targetFile = trialFile;
-		            }
+		            }*/
             
                     
                     // call rewrite-class
@@ -879,6 +884,25 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
         }
     }
 
+    private File getOverlayedClass(String path) {
+        File targetClass;
+        targetClass=rewriteClassFile(new File(htDefaultPath, path)); //works for default and localized files
+        if(targetClass == null || !targetClass.exists()){
+            //works for htdocs
+            targetClass=rewriteClassFile(new File(htDocsPath, path));
+        }
+        return targetClass;
+    }
+
+    private File getOverlayedFile(String path) {
+        File targetFile;
+        targetFile = getLocalizedFile(path);
+        if (!(targetFile.exists())){
+            targetFile = new File(htDocsPath, path);
+        }
+        return targetFile;
+    }
+    
     private void forceConnectionClose() {
         if (this.connectionProperties != null) {
             this.connectionProperties.setProperty(httpHeader.CONNECTION_PROP_PERSISTENT,"close");            

source/migration.java

@@ -50,6 +50,7 @@ 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_DIRLISTING_OVERLAY=2294;
     public static void main(String[] args) {
 
     }
@@ -62,6 +63,17 @@ public class migration {
     	if(fromRev < toRev){
             if(fromRev < TAGDB_WITH_TAGHASH){
                 migrateBookmarkTagsDB(sb);
+            }
+            if(fromRev < NEW_DIRLISTING_OVERLAY){
+                File file=new File(sb.htDocsPath, "share/dir.html");
+                if(file.exists())
+                    file.delete();
+                file=new File(sb.htDocsPath, "share/dir.class");
+                if(file.exists())
+                    file.delete();
+                file=new File(sb.htDocsPath, "share/dir.java");
+                if(file.exists())
+                    file.delete();
             }
     		serverLog.logInfo("MIGRATION", "Migrating from "+String.valueOf(fromRev)+ " to "+String.valueOf(toRev));
             installSkins(sb);

source/yacy.java

@@ -348,14 +348,6 @@ public final class yacy {
             final File shareDefaultPath = new File(htDocsPath, "share");
             if (!(shareDefaultPath.exists())) shareDefaultPath.mkdir();
 
-            final File shareDefaultClass = new File(shareDefaultPath, "dir.class");
-            //if ((!(shareDefaultClass.exists())) || (shareDefaultClass.length() != (new File(htRootPath, "htdocsdefault/dir.class")).length())) try {
-            if((new File(htRootPath, "htdocsdefault/dir.java")).exists())
-                serverFileUtils.copy(new File(htRootPath, "htdocsdefault/dir.java"), new File(shareDefaultPath, "dir.java"));
-            serverFileUtils.copy(new File(htRootPath, "htdocsdefault/dir.class"), shareDefaultClass);
-            serverFileUtils.copy(new File(htRootPath, "htdocsdefault/dir.html"), new File(shareDefaultPath, "dir.html"));
-            //} catch (IOException e) {}
-
             migration.migrate(sb, oldRev, newRev);
             
             // start main threads