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// $Id$
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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.ext.openurl;
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import java.net.URI;
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import java.net.URISyntaxException;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.ext.openurl.MobotOpenUrlServiceWrapper.ReferenceType;
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import eu.etaxonomy.cdm.model.reference.Reference;
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/**
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* @author a.kohlbecker
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* @date 16.12.2010
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*
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*/
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public class OpenUrlReference extends Reference {
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private static final String PAGETHUMB_BASE_URI = "http://www.biodiversitylibrary.org/pagethumb/";
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public static final Logger logger = Logger.getLogger(OpenUrlReference.class);
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private static final long serialVersionUID = 1L;
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private URI itemUri;
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private URI titleUri;
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private ReferenceType referenceType = null;
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/**
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* Links to the specific book or journal, that is to the front page
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*
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* @param itemUri the itemUri to set
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*/
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public void setItemUri(URI itemUri) {
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this.itemUri = itemUri;
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}
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/**
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* Links to the according entry in the bibliography.
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*
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* @return the itemUri
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*/
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public URI getItemUri() {
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return itemUri;
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}
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/**
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* @param titleUri the titleUri to set
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*/
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public void setTitleUri(URI titleUri) {
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this.titleUri = titleUri;
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}
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/**
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* @return the titleUri
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*/
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public URI getTitleUri() {
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return titleUri;
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}
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/**
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* Splits the id from the base ulr of the id urls used in bhl. For example the url string http://www.biodiversitylibrary.org/item/16772 will be split into
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* <ol>
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* <li>http://www.biodiversitylibrary.org/item</li>
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* <li>16772</li>
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* </ol>
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* @param uri
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* @return
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*/
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private String[] splitPathAndId(URI uri) {
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String[] tokens = new String[2];
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if(uri != null){
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String titleUriString = uri.toString();
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tokens[1] = titleUriString.substring(titleUriString.lastIndexOf('/') + 1);
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tokens[0] = titleUriString.substring(0, titleUriString.lastIndexOf('/'));
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return tokens;
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} else {
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return null;
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}
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}
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/**
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* @param referenceType the referenceType to set
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*/
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public void setReferenceType(ReferenceType referenceType) {
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this.referenceType = referenceType;
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}
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/**
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* @return the referenceType
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*/
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public ReferenceType getReferenceType() {
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return referenceType;
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}
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/**
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* This method will construct an URI pointing to a service which creates an
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* jpeg image. This may take a while. For more information please refer to
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* http://biodivlib.wikispaces.com/Developer+Tools+and+API. If the width or
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* height of the of the image given as parameter are null or 0 the BHL
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* service will respond with the default thumbnail which seems to be cached.
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* This is usually much faster than requesting for a custom imge
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* size.
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* <p>
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*
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* @param width
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* width of the image, may be null or 0
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* @param height
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* height of the image, may be null or 0
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* @return
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*/
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public URI getJpegImage(Integer width, Integer height){
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URI imageURI = null;
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try {
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String sizeStr = "";
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if(width != null && height != null && width > 0 && height > 0){
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sizeStr = "," + width + "," + height;
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}
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String[] tokens = splitPathAndId(getUri());
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if(tokens.length == 2){
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imageURI = new URI(PAGETHUMB_BASE_URI + tokens[1] + sizeStr);
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}
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} catch (URISyntaxException e) {
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// should never happen, but let's report it anyway
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logger.error(e);
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}
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return imageURI;
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}
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}
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