Java tutorial
/* $This file is distributed under the terms of the license in /doc/license.txt$ */ package edu.cornell.mannlib.vitro.webapp.visualization.tools; import java.util.HashMap; import java.util.Map; import org.apache.commons.logging.Log; import com.hp.hpl.jena.query.Dataset; import edu.cornell.mannlib.vitro.webapp.auth.permissions.SimplePermission; import edu.cornell.mannlib.vitro.webapp.auth.requestedAction.AuthorizationRequest; import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest; import edu.cornell.mannlib.vitro.webapp.controller.freemarker.responsevalues.ResponseValues; import edu.cornell.mannlib.vitro.webapp.controller.freemarker.responsevalues.TemplateResponseValues; import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException; import edu.cornell.mannlib.vitro.webapp.visualization.visutils.VisualizationRequestHandler; public class ToolsRequestHandler implements VisualizationRequestHandler { public static final AuthorizationRequest REQUIRED_ACTIONS = SimplePermission.REFRESH_VISUALIZATION_CACHE.ACTION; @Override public Object generateAjaxVisualization(VitroRequest vitroRequest, Log log, Dataset dataSource) throws MalformedQueryParametersException { throw new UnsupportedOperationException("Visualization Tool does not provide Ajax Response."); } @Override public Map<String, String> generateDataVisualization(VitroRequest vitroRequest, Log log, Dataset dataset) throws MalformedQueryParametersException { throw new UnsupportedOperationException("Visualization Tool does not provide Data Response."); } @Override public ResponseValues generateStandardVisualization(VitroRequest vitroRequest, Log log, Dataset dataSource) throws MalformedQueryParametersException { return renderToolsMenu(vitroRequest, log, dataSource); } @Override public ResponseValues generateVisualizationForShortURLRequests(Map<String, String> parameters, VitroRequest vitroRequest, Log log, Dataset dataSource) throws MalformedQueryParametersException { return renderToolsMenu(vitroRequest, log, dataSource); } @Override public AuthorizationRequest getRequiredPrivileges() { return REQUIRED_ACTIONS; } private ResponseValues renderToolsMenu(VitroRequest vitroRequest, Log log, Dataset dataSource) { String standaloneTemplate = "tools.ftl"; Map<String, Object> body = new HashMap<String, Object>(); body.put("title", "Visualization Tools"); return new TemplateResponseValues(standaloneTemplate, body); } }