001/* 002 * #%L 003 * Netarchivesuite - common 004 * %% 005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library, 006 * the National Library of France and the Austrian National Library. 007 * %% 008 * This program is free software: you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation, either version 2.1 of the 011 * License, or (at your option) any later version. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Lesser Public License for more details. 017 * 018 * You should have received a copy of the GNU General Lesser Public 019 * License along with this program. If not, see 020 * <http://www.gnu.org/licenses/lgpl-2.1.html>. 021 * #L% 022 */ 023 024package dk.netarkivet.common.utils; 025 026import org.apache.commons.httpclient.URIException; 027import org.archive.url.UsableURI; 028 029/** 030 * Fixed UURI which extends UURI to fix an NPE bug in getReferencedHost. 031 * <p> 032 * Pending fix of bug in Heritrix. The bug has been reported, and has number 616: 033 * http://webteam.archive.org/jira/browse/HER-616 034 */ 035@SuppressWarnings({"serial"}) 036public class FixedUURI extends UsableURI { 037 038 protected FixedUURI() { 039 super(); 040 } 041 042 protected FixedUURI(String string, boolean b, String string1) throws URIException { 043 super(string, b, string1); 044 } 045 046 protected FixedUURI(UsableURI uuri, UsableURI uuri1) throws URIException { 047 super(uuri, uuri1); 048 } 049 050 public FixedUURI(String string, boolean b) throws URIException { 051 super(string, b); 052 } 053 054 /** 055 * Return the hostname for this URI, giving the looked-up host on dns-URLS. 056 * 057 * @return hostname for this URI, or null if this cannot be calculated. 058 * @throws URIException on serious parse errors. 059 * @see UURI#getReferencedHost() 060 */ 061 public String getReferencedHost() throws URIException { 062 if (getHost() == null && getScheme() == null) { 063 return null; 064 } 065 return super.getReferencedHost(); 066 } 067 068}