Metacat

import javax.servlet.ServletConfig;

import javax.servlet.ServletContext;

import javax.servlet.ServletException;

import javax.servlet.ServletInputStream;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import javax.servlet.http.HttpUtils;

import javax.servlet.ServletOutputStream;

import org.ecoinformatics.eml.EMLParser;

import java.io.*;

import java.util.*;

import com.oreilly.servlet.multipart.FilePart;

import com.oreilly.servlet.multipart.MultipartParser;

import com.oreilly.servlet.multipart.ParamPart;

import com.oreilly.servlet.multipart.Part;

import edu.ucsb.nceas.metacat.*;

import edu.ucsb.nceas.metacat.MetaCatUtil;

public class MetUpload extends HttpServlet

{

public void service(HttpServletRequest request, HttpServletResponse response)

        throws IOException

{

	PrintWriter out = null;

	try {

  		int id=0;

		out = response.getWriter();

  		String file = new String("");

		DBConnection dbconn = null;

		DBConnectionPool connPool = null;

	 	File dataDirectory = null;

	 	MetaCatUtil util = null;

		String datafilepath = null;

		String fileName = null;

		FilePart fPart = null;

      		MultipartParser parser = new MultipartParser((HttpServletRequest)request, 1024 * 1024);

      		//MultipartParser parser = new MultipartParser(request, 1024 * 1024);

      		Part aPart;

		DocumentImplWrapper documentWrapper = null;

		String eml_filename=" ",docid=" ";

		StringReader xml = null;

		/*String eml_filename=" ",docid=" ";*/

	    	Hashtable formElements = new Hashtable();

 	    	while( (aPart = parser.readNextPart()) != null ) {

	      		if( aPart.isParam() == true ) {

          			ParamPart pPart = (ParamPart)aPart;

	        		String field = pPart.getName();

          			String value = pPart.getStringValue();

          			if(field != null) {

		        		if(value == null)

			        		value = "";

            				formElements.put(field, value);

					if (field.equals("docid"))

						docid=value;

		      		}

	      		}

        		else if( aPart.isFile() == true ) {

		      		fPart = (FilePart)aPart;

          			String field = fPart.getName();

		      		fileName = fPart.getFileName();

          			if(fileName != null) {

		        		//write the image to a file

		        		String dir = "/tmp/Upload_data";  

		        		File theFile = new File(dir, fileName);

					/*fPart.writeTo(theFile);

					eml_filename = dir+"/"+fileName;

		        		formElements.put(field, fileName);*/

					break;

           			}

        		}

      		}

	//	out.println( formElements );

		//out.println( docid + " " + eml_filename );

    	//	out.println("EML File uploaded");

/*****************************************************/

/* Change for input to metacat */

		util = new MetaCatUtil();

		datafilepath = util.getOption("datafilepath");

		dataDirectory = new File(datafilepath);

	HttpSession sess = request.getSession(true);

	String username = null;

	username = (String)sess.getAttribute("username");

	 //out.println(username);

	 out.println("Username is "+username+" <BR>");

	 //initial DBConnection pool

	      connPool = DBConnectionPool.getInstance();

	/*

dbconn=DBConnectionPool.getDBConnection("DocumentImpl.main");

		documentWrapper = new DocumentImplWrapper("", false);

/*String newdocid = DocumentImpl.write(dbconn, eml_filename, null,

                                   "null", "INSERT", docid,

                                   null, null);*/

	/*xml = new StringReader(eml_filename);

String newdocid = documentWrapper.write(dbconn, xml, null,

                                   null, "INSERT", docid,

                                   null, null);

if ((docid != null) && (!docid.equals(newdocid))) {

            System.out.println("New document ID generated!!! ");

          }*/

 if (DocumentImpl.getDataFileLockGrant(docid))

 {

	 //out.println(docid);

	 DocumentImpl.registerDocument(fileName, "BIN", docid, username);

	 // Save the data file to disk using "docid" as the name

	 dataDirectory.mkdirs();

	 File newFile = new File(dataDirectory, docid);

	 long size = fPart.writeTo(newFile);

	 //out.println(docid);

	 ForceReplicationHandler frh = new ForceReplicationHandler

	 				(docid, "insert", false, null);

	 // set content type and other response header fields first

	 out.println(" EML file uploaded successfully with docid as "+docid+"<BR>" );

}

else 

	 out.println(" EML file upload with docid as "+docid+" failed<br>");

/****************************************************/

  	} catch (Exception e) {

		out.println("An error occurred.");

		e.printStackTrace(out);

  	}

	out.flush();

}

}