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210 lines
8.1 KiB
Java
210 lines
8.1 KiB
Java
/**
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* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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package org.gcube.portlets.user.cataloguebadge;
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import java.text.DecimalFormat;
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import java.util.ArrayList;
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import java.util.Base64;
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import java.util.Collections;
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import java.util.List;
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import javax.portlet.PortletPreferences;
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import javax.portlet.RenderRequest;
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import javax.portlet.RenderResponse;
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import javax.servlet.http.HttpServletRequest;
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import org.gcube.common.portal.GCubePortalConstants;
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import org.gcube.common.portal.PortalContext;
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import org.gcube.datacatalogue.ckanutillibrary.server.ApplicationProfileScopePerUrlReader;
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import org.gcube.datacatalogue.ckanutillibrary.server.DataCatalogueFactory;
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import org.gcube.datacatalogue.ckanutillibrary.server.DataCatalogueImpl;
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import org.gcube.datacatalogue.ckanutillibrary.shared.Statistics;
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import org.gcube.vomanagement.usermanagement.GroupManager;
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import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
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import org.jsoup.Jsoup;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import org.jsoup.select.Elements;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.portlet.bind.annotation.RenderMapping;
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import com.liferay.portal.kernel.log.Log;
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import com.liferay.portal.kernel.log.LogFactoryUtil;
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import com.liferay.portal.kernel.util.GetterUtil;
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import com.liferay.portal.kernel.util.ReleaseInfo;
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import com.liferay.portal.kernel.util.StringPool;
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import com.liferay.portal.model.Group;
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import com.liferay.portal.service.GroupLocalServiceUtil;
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import com.liferay.portal.util.PortalUtil;
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@Controller
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@RequestMapping("VIEW")
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public class PortletViewController {
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private static Log _log = LogFactoryUtil.getLog(PortletViewController.class);
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private static final String IMAGES_BASE_URL = "https://catalogue.d4science.org/";
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private static final long K = 1000;
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private static final long M = K * K;
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private static final long G = M * K;
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private DataCatalogueFactory factory = DataCatalogueFactory.getFactory();
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private static GroupManager gm = new LiferayGroupManager();
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@RenderMapping
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public String question(RenderRequest request,RenderResponse response, Model model) {
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model.addAttribute("releaseInfo", ReleaseInfo.getReleaseInfo());
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PortletPreferences prefs = request.getPreferences();
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String catalogueBaseURL = GetterUtil.getString(prefs.getValue("catalogueURL", StringPool.BLANK));
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HttpServletRequest httpServletRequest = PortalUtil.getHttpServletRequest(request);
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long groupId = -1;
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boolean isRootVO = false;
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String catalogueURL = "";
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try {
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groupId = PortalUtil.getScopeGroupId(request);
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isRootVO = gm.isRootVO(groupId);
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catalogueURL = getCatalougeFriendlyURL(GroupLocalServiceUtil.getGroup(groupId));
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} catch (Exception e1) {
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e1.printStackTrace();
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}
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model.addAttribute("isRootVO", isRootVO);
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if (isRootVO) {
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try {
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List<CatalogueType> theTypes = parseTypes(catalogueBaseURL+"/type", catalogueURL);
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Collections.sort(theTypes, Collections.reverseOrder());
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List<CatalogueType> theFiveTypes = new ArrayList<>();
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for (int i = 0; i < 6; i++) {
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theFiveTypes.add(theTypes.get(i));
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}
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model.addAttribute("catalogueTypes", theFiveTypes);
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model.addAttribute("catalogueURL", catalogueURL);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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else { //in VRE
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try {
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PortalContext pContext = PortalContext.getConfiguration();
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String context = pContext.getCurrentScope(""+groupId);
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DataCatalogueImpl utils = null;
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if (gm.isRootVO(groupId)) {
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String gatewaySiteURL = pContext.getGatewayURL(httpServletRequest);
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if (!gatewaySiteURL.startsWith("https"))
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gatewaySiteURL = gatewaySiteURL.replaceAll("http:", "https:");
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String siteLandingPage = pContext.getSiteLandingPagePath(httpServletRequest);
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String clientURL = gatewaySiteURL+siteLandingPage;
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try {
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String appPerScopeURL = ApplicationProfileScopePerUrlReader.getScopePerUrl(clientURL);
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_log.info("Catalogue for this Gateway is in this scope: " + appPerScopeURL);
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utils = factory.getUtilsPerScope(appPerScopeURL);
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_log.info("Here I instanciated factory.getUtilsPerScope with scope " + appPerScopeURL);
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} catch (Exception e) {
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_log.warn("Returning default catalogue for the context, could not find the catologue for this Gateway: " + clientURL);
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utils = factory.getUtilsPerScope(context);
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}
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}
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else {
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utils = factory.getUtilsPerScope(context);
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_log.info("regular factory.getUtilsPerScope with context: " + context);
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}
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Statistics stats = utils.getStatistics();
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_log.info("Got Statistics ... ");
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model.addAttribute("itemsNo", convertToStringRepresentation(stats.getNumItems()));
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model.addAttribute("groupsNo", stats.getNumGroups());
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model.addAttribute("organisationsNo", stats.getNumOrganizations());
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model.addAttribute("typesNo", stats.getNumTypes());
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model.addAttribute("catalogueURL", catalogueURL);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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return "Catalogue-badge-portlet/view";
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}
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private List<CatalogueType> parseTypes(String url, String catalogueURL) throws Exception {
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List<CatalogueType> toReturn = new ArrayList<>();
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Document doc = Jsoup.connect(url)
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.userAgent("Mozilla")
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.timeout(5000)
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.referrer("http://www.d4science.org")
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.header("headersecurity", "xyz123")
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.get();
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Elements types = doc.select("article li");
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for (Element type : types) {
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Element imgElement = type.select("div img").first();
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String imgUrl = imgElement.attr("src");
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Element aElement = type.select("h3 a").first();
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Element h3Element = type.select("h3").first();
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//String href = aElement.attr("href");
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String name = aElement.text();
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String nameAndOccurrence = h3Element.text();
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int occurrence = 0;
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String query = "systemtype="+name;
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String encodedQuery = Base64.getEncoder().encodeToString(query.getBytes());
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String hrefPortlet = catalogueURL+"?path=dataset&query="+encodedQuery;
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try {
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int bracketOpen = nameAndOccurrence.indexOf("(");
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int brackeClosed = nameAndOccurrence.indexOf(")");
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String numberToParse = nameAndOccurrence.substring(bracketOpen+1, brackeClosed);
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occurrence = Integer.parseInt(numberToParse);
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} catch (Exception e) {
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_log.error("Could not find occurrence in string "+ nameAndOccurrence);
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}
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toReturn.add(new CatalogueType(name, IMAGES_BASE_URL+imgUrl, hrefPortlet, occurrence));
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}
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return toReturn;
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}
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public static String convertToStringRepresentation(final long value){
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final long[] dividers = new long[] { G, M, K, 1 };
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final String[] units = new String[] {"Giga", "M", "K", ""};
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if(value < 1)
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throw new IllegalArgumentException("Invalid file size: " + value);
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String result = null;
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for(int i = 0; i < dividers.length; i++){
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final long divider = dividers[i];
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if(value >= divider){
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result = format(value, divider, units[i]);
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break;
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}
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}
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return result;
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}
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private static String format(final long value,
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final long divider,
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final String unit){
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final double result =
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divider > 1 ? (double) value / (double) divider : (double) value;
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return new DecimalFormat("#,##0.#").format(result) + " " + unit;
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}
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/**
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* @param currentGroup
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* @return Returns the friendly u r l of this group.
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*/
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private static String getCatalougeFriendlyURL(final Group currentGroup) throws Exception {
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String friendlyURL = GCubePortalConstants.PREFIX_GROUP_URL;
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StringBuffer sb = new StringBuffer();
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sb.append(friendlyURL).append(currentGroup.getFriendlyURL())
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.append(GCubePortalConstants.CATALOGUE_FRIENDLY_URL);
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return sb.toString();
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}
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} |