package de.anomic.plasma.urlPattern;

import java.io.File;
import java.util.Arrays;
import java.util.HashSet;

import de.anomic.yacy.yacyURL;

public interface plasmaURLPattern {

    public static final String BLACKLIST_DHT = "dht";
    public static final String BLACKLIST_CRAWLER = "crawler";
    public static final String BLACKLIST_PROXY = "proxy";
    public static final String BLACKLIST_SEARCH = "search";
    public static final String BLACKLIST_SURFTIPS = "surftips";
    public static final String BLACKLIST_NEWS = "news";
    
    public static final class blacklistFile {
        
        private final String filename;
        private final String type;
        
        public blacklistFile(String filename, String type) {
            this.filename = filename;
            this.type = type;
        }
        
        public String getFileName() { return this.filename; }
        
        
        /**
         * Construct a unified array of file names from comma seperated file name
         * list.
         * 
         * @return unified String array of file names
         */
        public String[] getFileNamesUnified() {
            HashSet<String> hs = new HashSet<String>(Arrays.asList(this.filename.split(",")));
            
            return (String[]) hs.toArray(new String[hs.size()]);
        }
        
        public String getType() { return this.type; }
    }

    public String getEngineInfo();
    
    public void setRootPath(File rootPath);

    public int blacklistCacheSize();

    public int size();

    public void clear();
    public void removeAll(String blacklistType, String host);
    public void remove(String blacklistType, String host, String path);
    public void add(String blacklistType, String host, String path);

    
    public void loadList(String blacklistType, String filenames, String sep);    
    public void loadList(blacklistFile[] blFiles, String sep);


    public boolean hashInBlacklistedCache(String blacklistType, String urlHash);
    
    public boolean isListed(String blacklistType, yacyURL url);
    
    public boolean isListed(String blacklistType, String hostlow, String path);    
    
}