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Java classes providing resolving functionality for Persistent Identifiers. Main focus is on National Bibliography Numbers, but some other known systems are also supported. See the official URN:NBN Resolver http://nbn-resolving.org or http://persid.org
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/* *********************************************************************
 * Class Constants
 *  
 * Copyright (c) 2011-2013, German National Library/Deutsche Nationalbibliothek
 * Adickesallee 1, D-60322 Frankfurt am Main, Federal Republic of Germany 
 *
 * This program is free software.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Kadir Karaca Kocer -- German National Library
 **********************************************************************/

/* ********************************************************************
 * CHANGELOG:
 * 
 * 2012-04-03 Port to Maven by Timo Heck & Karaca Kocer
 ********************************************************************/

package org.nbnResolving.resolver;

/**
 * Class for all Constant values that should be used for better readability
 * and easier modification of code.
 * 
 * @author Kadir Karaca Kocer
 */

public class Constants {
	/** URI for Institutions, Autors, ... in German National Library */
	public static final String GND_URI_ROOT = "http://d-nb.info/gnd";
	
	/** URN is marked as inactive */
	public static final short URN_STATUS_INACTIVE = 0;
	/** URN is active */
	public static final short URN_STATUS_ACTIVE   = 1;
	/** URN is reserved but not yet registered */
	public static final short URN_STATUS_RESERVED = 2;
	
    /** URN is marked as inactive */
    public static final byte URL_STATUS_BLOCKED  = 0;
    /** URN is active */
    public static final byte URL_STATUS_ACTIVE   = 3;

    /** MIMETYPE of a PDF document */
    public static final int MIMETYPE_APPLICATION_PDF        = 1;
    /** MIMETYPE of a LATEX document */
    public static final int MIMETYPE_APPLICATION_LATEX      = 2;
    /** MIMETYPE of a HTML document */
    public static final int MIMETYPE_TEXT_HTML              = 3;
    /** MIMETYPE of a POSTSCRIPT document */
    public static final int MIMETYPE_APPLICATION_POSTSCRIPT = 4;

	/** Return all URLs with all information available */
	public static final short RESOLVE_FULL_INFO         = 10;
	/** Return only the most privileged URL to redirect */
	public static final short RESOLVE_FIRST_URL         = 11;
	/** Only the archive copy (ies) */
	public static final short RESOLVE_ONLY_ARCHIVE      = 12;
	/** Only the frontpage(s) */
	public static final short RESOLVE_ONLY_FRONTPAGE    = 13;

	/** There is no registered URL for this URN */
	public static final short URN_RESOLVING_OK          = 700;
	/** URN is NULL*/
	public static final short URN_IS_NULL               = 701;
	/** No active URL exists in RDBMS */
	public static final short NO_ACTIVE_URL             = 702;
	/** This URN is replaced by a newer version*/
	public static final short URN_HAS_NEWER_VERSION     = 703;
	/** Wrong URN format*/
	public static final short WRONG_URN_FORMAT          = 705;
	/** There is no registered URL for this URN */
	public static final short NO_REGISTERED_URL         = 712;
	/** The requested URN is marked inactive*/
	public static final short REQUESTED_URN_IS_INACTIVE = 713;
	/** Requested URN is marked reserved*/
	public static final short REQUESTED_URN_IS_RESERVED = 714;
	/** Not defined URN STATUS code. Should not occur. */
	public static final short NO_SUCH_URN_STATUS        = 715;
	/** URN is not in database */
	public static final short NO_SUCH_URN_IN_DATABASE   = 741;
	/** There was an exception during resolving process*/
	public static final short ERROR_DURING_RESOLVING    = 745;
	/** URN information comes from a foreign data source */
	public static final short REMOTE_RESOLVER_INFORMATION = 750;
	
	/** A registered URN for the given URL is found and listed (success) */
	public static final short URN_FOR_URL_FOLLOWS  = 850;
	/** This URL is not in database */
	public static final short NO_URN_WITH_THIS_URL = 802;
	/** An URN_ID could be found but it is not valid */
	public static final short PROBLEM_WITH_URN_ID  = 803;
	
	/** All in system registered namespaces are listed */
	public static final short NAMESPACE_LISTING_SUCCESSFUL   = 810;
	/** No namespace is registered in database (error condition) */
	public static final short NO_NAMESPACE_FOUND             = 811;
	
	/** All in system registered institutions are listed */
	public static final short INSTITUTION_LISTING_SUCCESSFUL = 820;
	/** No institution is registered in database (error condition) */
	public static final short NO_INSTITUTION_FOUND           = 821;

}