69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
/*
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* Created on 17 Aug 2007
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*
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* Copyright (C) 2007 Royal Library of Sweden.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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package se.kb.oai.pmh;
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import org.dom4j.Element;
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import org.dom4j.io.DOMReader;
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import org.w3c.dom.Document;
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import se.kb.xml.XPathWrapper;
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public abstract class ResponseBase {
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public static final String OAI_NS_PREFIX = "oai";
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public static final String OAI_NS_URI = "http://www.openarchives.org/OAI/2.0/";
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private static final String RESPONSEDATE_XPATH = "oai:responseDate";
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private static final String RESUMPTIONTOKEN_XPATH = "*/oai:resumptionToken";
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private static final String ERROR_XPATH = "oai:error";
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protected Document response;
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protected XPathWrapper xpath;
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protected String responseDate;
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protected ResumptionToken resumptionToken;
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public ResponseBase(Document document) throws ErrorResponseException {
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DOMReader reader = new DOMReader();
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Element root = reader.read(document).getRootElement();
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this.xpath = new XPathWrapper(root);
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xpath.addNamespace(OAI_NS_PREFIX, OAI_NS_URI);
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this.response = document;
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this.responseDate = xpath.valueOf(RESPONSEDATE_XPATH);
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Element token = xpath.selectSingleElement(RESUMPTIONTOKEN_XPATH);
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this.resumptionToken = token != null ? new ResumptionToken(token) : null;
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Element error = xpath.selectSingleElement(ERROR_XPATH);
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if (error != null) {
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throw new ErrorResponseException(error.attributeValue("code"), error.getTextTrim());
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}
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}
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public Document getResponse() {
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return response;
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}
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public String getResponseDate() {
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return responseDate;
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}
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}
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