added XBEL Export for YaCy Bookmarks. Tags are strored as

<metadata owner="Mozilla" ShortcutURL="tag1,tag2"/>

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4381 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/xml/bookmarks/xbel/xbel.java

@@ -0,0 +1,127 @@
+package xml.bookmarks.xbel;
+
+import java.util.Iterator;
+import java.util.Set;
+import java.util.TreeSet;
+
+import de.anomic.data.bookmarksDB;
+import de.anomic.data.userDB;
+import de.anomic.data.bookmarksDB.Tag;
+import de.anomic.http.httpHeader;
+import de.anomic.plasma.plasmaSwitchboard;
+import de.anomic.server.serverObjects;
+import de.anomic.server.serverSwitch;
+
+public class xbel {
+
+	private static serverObjects prop;
+	private static plasmaSwitchboard switchboard;
+	private static userDB.Entry user;
+	private static boolean isAdmin;	
+	
+    public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
+ 
+    	int count = 0;
+    	String username="";
+    	Iterator it = null;    	
+    	bookmarksDB.Tag tag;
+    	Set<String> folders = new TreeSet<String>();
+       	String path = "";
+    	
+    	prop = new serverObjects();
+    	switchboard = (plasmaSwitchboard) env;    	
+    	isAdmin=switchboard.verifyAuthentication(header, true);   
+  
+    	if(isAdmin) {
+    	
+        	//-----------------------
+        	// create folder list
+        	//-----------------------
+           	
+           	it = switchboard.bookmarksDB.getTagIterator(isAdmin);       	
+           	while(it.hasNext()){
+           		tag=(Tag) it.next();
+           		if (tag.getFriendlyName().startsWith("/")) {
+           			path = tag.getFriendlyName();
+           			path = cleanPathString(path);                  
+           			while(path.length() > 0){
+           				folders.add(path);
+           				path = path.replaceAll("(/.[^/]*$)", "");           				
+           			}       			
+           		}
+           	}
+           	
+           	folders.add("\uffff");
+           	it = folders.iterator();
+
+           	count = recurseFolders(it,"/",0,true,"");
+           	prop.put("xbel", count);  
+           	
+    	}    	
+    	return prop;    // return from serverObjects respond()
+    
+    }
+
+    private static int recurseFolders(Iterator<String> it, String root, int count, boolean next, String prev){
+    	String fn="";    	
+    	bookmarksDB.Bookmark bookmark;
+   	
+    	if(next) fn = it.next().toString();    		
+    	else fn = prev;
+
+    	if(fn.equals("\uffff")) {    		
+    		int i = prev.replaceAll("[^/]","").length();
+    		while(i>0){
+    			prop.put("xbel_"+count+"_elements", "</folder>");
+    			count++;
+    			i--;
+    		}    		
+    		return count;
+    	}
+   
+    	if(fn.startsWith(root)){
+    		prop.put("xbel_"+count+"_elements", "<folder id=\">"+bookmarksDB.tagHash(fn)+"\">");
+    		count++;
+    		prop.put("xbel_"+count+"_elements", "<title>"+fn.replaceFirst(root+"/*","")+"</title>");   		
+    		count++;    
+    		Iterator bit=switchboard.bookmarksDB.getBookmarksIterator(fn, isAdmin);
+    		while(bit.hasNext()){    			
+    			bookmark=switchboard.bookmarksDB.getBookmark((String)bit.next());
+    			prop.put("xbel_"+count+"_elements", "<bookmark id=\""+bookmark.getUrlHash()+"\" href=\""+bookmark.getUrl()+"\">");   		
+        		count++; 
+        		prop.put("xbel_"+count+"_elements", "<title>"+bookmark.getTitle()+"</title>");   		
+        		count++; 
+        		prop.put("xbel_"+count+"_elements", "<info><metadata owner=\"Mozilla\" ShortcutURL=\""+bookmark.getTagsString().replaceAll("/.*,", "")+"\"/></info>");   		
+        		count++; 
+        		prop.put("xbel_"+count+"_elements", "<desc>"+bookmark.getDescription()+"</desc>");   		
+        		count++; 
+        		prop.put("xbel_"+count+"_elements", "</bookmark>");   		
+        		count++;        		
+    		}    	
+    		if(it.hasNext()){
+    			count = recurseFolders(it, fn, count, true, fn);
+    		}
+    	} else {		
+    		prop.put("xbel_"+count+"_elements", "</folder>");        		
+    		count++;
+    		root = root.replaceAll("(/.[^/]*$)", ""); 		
+    		if(root.equals("")) root = "/";    		
+    		count = recurseFolders(it, root, count, false, fn);
+    	} 
+    	return count;
+    }
+    private static String cleanPathString(String pathString){
+
+        // get rid of double and trailing slashes
+        while(pathString.endsWith("/")){
+        	pathString = pathString.substring(0, pathString.length() -1);
+        }
+        while(pathString.contains("/,")){
+        	pathString = pathString.replaceAll("/,", ",");
+        }
+        while(pathString.contains("//")){
+        	pathString = pathString.replaceAll("//", "/");
+        }
+        return pathString;
+    }
+}

htroot/xml/bookmarks/xbel/xbel.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE xbel PUBLIC "+//IDN python.org//DTD XML Bookmark Exchange Language 1.0//EN//XML" "http://pyxml.sourceforge.net/topics/dtds/xbel-1.0.dtd">
+<xbel>
+  <folder>
+    <title>YaCy Bookmark Folder</title>	
+	#{xbel}#
+	#[elements]#
+	#{/xbel}#
+	</folder>
+</xbel>