143 lines
4.9 KiB
Java
143 lines
4.9 KiB
Java
package org.gcube.applicationsupportlayer.social;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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import org.gcube.application.framework.core.session.ASLSession;
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import org.gcube.common.core.contexts.GHNContext;
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import org.gcube.common.core.informationsystem.client.ISClient;
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import org.gcube.common.core.informationsystem.client.XMLResult;
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import org.gcube.common.core.informationsystem.client.queries.GCUBEGenericQuery;
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import org.gcube.portal.databook.server.DBCassandraAstyanaxImpl;
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import org.gcube.portal.databook.server.DatabookStore;
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import org.gcube.portal.databook.shared.Application;
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import org.gcube.portal.databook.shared.Feed;
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import org.gcube.portal.databook.shared.FeedType;
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import org.gcube.portal.databook.shared.PrivacyLevel;
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import org.gcube.portlets.user.homelibrary.home.data.application.ApplicationDataNotFoundException;
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/**
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*
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* @author Massimiliano Assante, ISTI-CNR
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* @version 0.1 Dec 2012
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*
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* use to share updates from within your application, the update will be published in the Users News Feed belonging to the VRE your application runs into
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*/
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public class AslNewsManager extends SocialPortalBridge implements NewsManager {
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private Application application;
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/**
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*
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* @param aslSession the ASLSession instance
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* @param applicationClass your servlet class name will be used ad unique identifier for your application
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*/
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public AslNewsManager(ASLSession session, Class<?> applicationClass) {
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super(session);
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this.application = getProfileFromInfrastrucure(applicationClass);
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}
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/**
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* this method looks up the application profile among the ones available in the infrastructure
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* @param applicationClass
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* @return the application profile
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*/
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private Application getProfileFromInfrastrucure(Class<?> applicationClass) {
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try {
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Application toReturn = new Application();
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ISClient client = GHNContext.getImplementation(ISClient.class);
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GCUBEGenericQuery query = client.getQuery(GCUBEGenericQuery.class);
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query.setExpression("for $profile in collection('/db/Profiles/GenericResource')//Resource " +
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"where $profile/Profile/SecondaryType/string() eq 'ApplicationProfile' and $profile/Profile/Body/AppId/string() " +
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" eq '" + applicationClass.getName() + "'" +
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"return $profile");
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List<XMLResult> appProfile = client.execute(query, aslSession.getScope().getInfrastructure());
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if (appProfile == null || appProfile.size() == 0)
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throw new ApplicationDataNotFoundException("Your application is not registered in the infrastructure");
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else {
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XMLResult node = appProfile.get(0);
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List<String> currValue = null;
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currValue = node.evaluate("/Resource/Profile/Name/text()");
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if (currValue != null && currValue.size() > 0) {
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toReturn.setName(currValue.get(0));
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}
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else throw new ApplicationDataNotFoundException("Your application NAME was not found in the profile");
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currValue = node.evaluate("/Resource/Profile/Description/text()");
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if (currValue != null && currValue.size() > 0) {
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toReturn.setDescription(currValue.get(0));
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}
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else _log.warn("No Description exists for " + toReturn.getName());
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currValue = node.evaluate("/Resource/Profile/Body/AppId/text()");
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if (currValue != null && currValue.size() > 0) {
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toReturn.setKey(currValue.get(0));
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}
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else throw new ApplicationDataNotFoundException("Your application ID n was not found in the profile, consider adding <AppId> element in <Body>");
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currValue = node.evaluate("/Resource/Profile/Body/ThumbnailURL/text()");
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if (currValue != null && currValue.size() > 0) {
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toReturn.setImageUrl(currValue.get(0));
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}
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else throw new ApplicationDataNotFoundException("Your application Image Url was not found in the profile, consider adding <ThumbnailURL> element in <Body>");
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return toReturn;
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}
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} catch (Exception e) {
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_log.error("Error while trying to fetch application profile from the infrastructure");
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e.printStackTrace();
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return null;
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean shareApplicationUpdate(String description) {
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String descToAdd = escapeHtml(description);
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Feed toShare = new Feed(
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UUID.randomUUID().toString(),
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FeedType.PUBLISH,
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application.getName(),
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new Date(),
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getScopeByOrganizationId(""+aslSession.getGroupId()),
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"",
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"",
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descToAdd,
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PrivacyLevel.SINGLE_VRE,
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"fullName",
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"email",
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"thumbnailURL",
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"linkTitle",
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"linkDescription",
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"linkHost");
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return getStoreInstance().saveAppFeed(toShare);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean shareApplicationUpdate(String description, String uri) {
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean shareApplicationUpdate(String description, String uri, String previewTitle, String previewDescription, String previewThumbnailUrl) {
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return true;
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}
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@Override
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public DatabookStore connect() {
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return new DBCassandraAstyanaxImpl();
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}
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}
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