Metacat

/**

 *  '$RCSfile$'

 *  Copyright: 2000-2005 Regents of the University of California and the

 *             National Center for Ecological Analysis and Synthesis

 *

 *   '$Author: jones $'

 *     '$Date: 2005-11-11 12:09:01 -0800 (Fri, 11 Nov 2005) $'

 * '$Revision: 2737 $'

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package edu.ucsb.nceas.metacat.lsid;

import java.io.*;

import java.net.*;

//import java.sql.Connection;

import java.util.ResourceBundle;

import com.ibm.lsid.LSID;

import com.ibm.lsid.server.LSIDServerException;

public class LSIDDataLookup {

//	private static Connection lsidLookup = null;

	public static final int UNKNOWN = 1;

	public static final int ABSTRACT = 2;

	public static final int CONCRETE = 4;

	public LSIDDataLookup() throws LSIDServerException {

        System.out.println("Creating LSIDDataLookup (Metacat).");

  	}

	public int lsidType(LSID lsid) throws LSIDServerException {

		int result = CONCRETE;

		return result;

	}

	public InputStream lsidData(LSID lsid) throws LSIDServerException {

		String ns = lsid.getNamespace();

		String id = lsid.getObject();

		String ver = lsid.getRevision();

		InputStream docStream = null;

		// example metacat query

		// http://metacat.nceas.ucsb.edu/knb/metacat?action=read&qformat=xml&docid=knb-lter-gce.109.6

		//

    ResourceBundle rb = ResourceBundle.getBundle("metacat-lsid");

    String theServer = rb.getString("metacatserver");

		System.out.println("the server is " + theServer);

		String url = theServer + "?action=read&qformat=xml&docid=";

		url = url + ns + "." + id + "." + ver;

		try {

			URL theDoc = new URL(url);

			docStream  = theDoc.openStream();

		} catch (MalformedURLException mue) {

         		System.out.println("MalformedURLException in LSIDDataLookup: " + mue);

         		mue.printStackTrace();

   		} catch (IOException ioe) {

         		System.out.println("IOException in LSIDDataLookup: " + ioe);

         		ioe.printStackTrace();

		}

		return docStream;

	}

}