source: gs3-extensions/mat/trunk/src/org/greenstone/mat/servlet/DescribeMessenger.java@ 22171

package org.greenstone.mat.servlet;

import java.io.*;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;

import org.w3c.dom.Element;
import org.greenstone.gsdl3.core.MessageRouter;
import org.greenstone.util.GlobalProperties;
import org.greenstone.gsdl3.util.GSFile;
import org.greenstone.gsdl3.util.GDBMWrapper;

public class DescribeMessenger {
    
    private final String site_name = "localsite";
    private MessageRouter mr = null;
    private String collection_Name = null;
    private MetadataStats ms;
    private String site_home = null;
    private String gsdl3_home = null;
    private int port =0;
    
    public DescribeMessenger(String collectionName, String URL) {
    
        collection_Name = collectionName;   
        gsdl3_home = GlobalProperties.getGSDL3Home();
    
        if (gsdl3_home == null || gsdl3_home.equals("")) {
            System.err.println("Couldn't access GSDL3Home from GlobalProperties.getGSDL3HOME, can't initialize the SOAP Server.");
            return;
        }
        
        site_home = GSFile.siteHome(gsdl3_home, this.site_name);
        
        File site_file = new File(site_home);
    
        if (!site_file.isDirectory()) {
            System.err.println("The site directory "+site_file.getPath()+" doesn't exist. Can't initialize the SOAP Server.");
            return;
        } 
        
        mr = new MessageRouter();
        mr.setSiteName(this.site_name);
        mr.configure();
    }
    
    public void setCollectionName(String arg){
        collection_Name = arg;
    }
    
    public String getCollectionName(){
        return collection_Name;
    }

    public boolean describeMatadata(PrintWriter out, String collectionName,String OAIURL, String oaiPrefix, int portNumber){
    
    ms = new MetadataStats(this.site_home,collectionName,OAIURL,out, oaiPrefix);
    port = portNumber;  
    if(ms.getStatus()){
        printWebPage(ms,out);
        return true;
    }
        else{
        out.print("<p> This collection could not be analysed.</p>");
        return false;
    }
    }

    public void printWebPage(MetadataStats ms,PrintWriter out){
    
        DataMaker dm = new DataMaker(ms);
        String[] elements =  new String [ms.metadataNameList.size()];
        
        for(int i = 0; i<elements.length; i++){
            elements[i] = (String)ms.metadataNameList.get(i);
        }
    
        Arrays.sort(elements);
    
        /*
        String[] metaDataElementName = (String[])elements.clone();  
        String[] ids = dm.getDocumentIDs("archivedir");
        ArrayList alist = new ArrayList();
        
        for(int a = 0; a<elements.length; a++){
            alist.add(dm.getMetadataRows(elements[a]));
        }
        */
        
        PrintHTML phtml = new PrintHTML(ms,out,port);
        HashMap hp = ms.getMetadataSetMap();
        Collection c = hp.values();
        Iterator i = c.iterator();

        while(i.hasNext()){
        MetadataSet mds  = (MetadataSet)i.next();
        ArrayList elementList = mds.getIndexsList();
        String[] mdsElement = new String[elementList.size()];
        
        for(int x = 0; x<mdsElement.length; x++){
        mdsElement[x]=(String)elementList.get(x);
        }
        
        Arrays.sort(mdsElement);
        
        String[] metaDataElement = (String[])mdsElement.clone();    
        String[] idList = dm.getDocumentIDs("archivedir");
        ArrayList datalist = new ArrayList();
            
        for(int a = 0; a<mdsElement.length; a++){
            datalist.add(dm.getMetadataRows(mdsElement[a]));
        }
        phtml.generateAllPossibleGraph(datalist,idList,metaDataElement,mds.getName());
    }
        
    phtml.generateOverallStatisticsPage(hp);

        Collection cx = ms.getMetadataSetMap().values();
        Iterator ix = cx.iterator();

        while(ix.hasNext()){
        MetadataSet temp = (MetadataSet)ix.next();
        phtml.WriteMetadataSetDetailHTML(temp);
        phtml.generateMetadataElementDetailPage(temp,out);
    }
    }
 
    public MetadataStats getElementClass(){
        return ms;
    }
    
    /*
      public static void main(String[] args) {
      DescribeMessager dm = new DescribeMessager("testCOLLECTION","cs.waikato.ac.nz");
      }
    */
}