/** * */ package de.mpiwg.itgroup.annotations.restlet.annotations_ui; /* * #%L * AnnotationManager * %% * Copyright (C) 2012 - 2014 MPIWG Berlin * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * . * #L% */ import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import org.apache.log4j.Logger; import org.restlet.data.Form; import org.restlet.data.MediaType; import org.restlet.data.Reference; import org.restlet.data.Status; import org.restlet.representation.Representation; import org.restlet.representation.StringRepresentation; import org.restlet.resource.Delete; import org.restlet.resource.Get; import org.restlet.resource.Put; import org.restlet.resource.ResourceException; import org.restlet.resource.ServerResource; import de.mpiwg.itgroup.annotations.Person; import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; import de.mpiwg.itgroup.annotations.restlet.BaseRestlet; /** * Resource class for a single person. * * @author casties * */ public class PersonResource extends ServerResource { public static Logger logger = Logger.getLogger(PersonResource.class); protected AnnotationStore store; protected String requestId; protected Person person; @Override protected void doInit() throws ResourceException { super.doInit(); // id from URI /annotations/persons/{id} requestId = (String) getRequest().getAttributes().get("id"); logger.debug("person-id=" + requestId); // get store instance if (store == null) { store = ((BaseRestlet) getApplication()).getAnnotationStore(); } // get person from store if (requestId != null) { // URL decode try { requestId = URLDecoder.decode(requestId, "UTF-8"); } catch (UnsupportedEncodingException e) { // this shouldn't happen } person = (Person) store.getActor(new Person(requestId)); } } /** * GET with HTML content type. Shows the person. * * @param entity * @return */ @Get("html") public Representation doGetHTML(Representation entity) { if (person == null) { // invalid id setStatus(Status.CLIENT_ERROR_NOT_FOUND); return null; } String result = null; // get form parameter Form f = this.getQuery(); String form = f.getFirstValue("form"); if (form != null && form.equals("edit")) { // output edit form result = "\n"; result += String.format("

Edit person %s

\n", person.getId()); result += String.format("

All persons

", this.getReference().getParentRef()); // tunnel PUT method through POST result += String.format("
\n", this.getReference().getHierarchicalPart()); result += ""; result += String.format("\n", person.getName()); result += String.format("\n", person.getUriString()); result += "
name
uri
\n"; result += "

"; result += "\n
\n\n"; } else { // output person content result = "\n

Person

\n"; result += String.format("

All persons

", this.getReference().getParentRef()); result += ""; result += String.format("\n", person.getId()); result += String.format("\n", person.getName()); result += String.format("\n", person.getUri()); result += "
id%s
name%s
uri%s
\n"; result += "

Edit person

\n"; // tunnel POST as DELETE result += String.format( "
\n", this.getReference().getHierarchicalPart()); result += "\n"; } return new StringRepresentation(result, MediaType.TEXT_HTML); } /** * PUT updates the person. * * @param entity * @return */ @Put public Representation doPut(Representation entity) { logger.debug("PersonResource.doPut!"); if (person == null) { // invalid id setStatus(Status.CLIENT_ERROR_BAD_REQUEST); return null; } // TODO: do authentication Form form = new Form(entity); String name = form.getFirstValue("name"); String uri = form.getFirstValue("uri"); if (name != null && !name.isEmpty()) { person.setName(name); } if (uri != null && !uri.isEmpty()) { person.setUri(uri); } store.storeActor(person); // return 303: see other setStatus(Status.REDIRECTION_SEE_OTHER); // go GET same URL Reference url = this.getReference(); this.getResponse().setLocationRef(url); return null; } /** * DELETE deletes the person. * * @param entity * @return */ @Delete public Representation doDelete(Representation entity) { logger.debug("PersonResource.doDelete!"); if (person == null) { // invalid id setStatus(Status.CLIENT_ERROR_BAD_REQUEST); return null; } // TODO: do authentication store.deleteActor(person); // return 303: see other setStatus(Status.REDIRECTION_SEE_OTHER); // go GET parent URL Reference url = this.getReference().getParentRef(); this.getResponse().setLocationRef(url); return null; } }