Updated to new PortalContext
git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-gwt-service@141655 82a268e6-3cf1-43bd-a215-b396298e98cf
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package org.gcube.portlets.user.td.gwtservice.server;
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import java.util.HashMap;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import org.gcube.portlets.user.td.gwtservice.server.util.ServiceCredentials;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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*
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* @author Giancarlo Panichi email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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* @param <T>
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*/
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public class SessionOp<T> {
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private static Logger logger = LoggerFactory.getLogger(SessionOp.class);
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public T get(HttpServletRequest httpRequest,
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ServiceCredentials serviceCredentials, String attribute,
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Class<T> cls) throws TDGWTServiceException {
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HttpSession httpSession = httpRequest.getSession();
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T value = null;
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@SuppressWarnings("unchecked")
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HashMap<String, T> map = (HashMap<String, T>) httpSession
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.getAttribute(attribute);
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if (map != null) {
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if (map.containsKey(serviceCredentials.getScope())) {
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value = map.get(serviceCredentials.getScope());
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} else {
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logger.error("" + attribute + " was not acquired");
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try {
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value = cls.newInstance();
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map.put(serviceCredentials.getScope(), value);
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} catch (InstantiationException | IllegalAccessException e) {
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String error = "Error reading session attribute: "
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+ e.getLocalizedMessage();
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logger.error(error, e);
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throw new TDGWTServiceException(error, e);
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}
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}
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} else {
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logger.error("" + attribute + " was not acquired");
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map = new HashMap<>();
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try {
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value = cls.newInstance();
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map.put(serviceCredentials.getScope(), value);
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httpSession.setAttribute(attribute, map);
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} catch (InstantiationException | IllegalAccessException e) {
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String error = "Error reading session attribute: "
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+ e.getLocalizedMessage();
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logger.error(error, e);
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throw new TDGWTServiceException(error, e);
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}
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}
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return value;
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}
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public T get(HttpServletRequest httpRequest,
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ServiceCredentials serviceCredentials, String attribute) {
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HttpSession httpSession = httpRequest.getSession();
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T value = null;
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@SuppressWarnings("unchecked")
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HashMap<String, T> map = (HashMap<String, T>) httpSession
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.getAttribute(attribute);
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if (map != null) {
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if (map.containsKey(serviceCredentials.getScope())) {
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value = map.get(serviceCredentials.getScope());
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} else {
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logger.error("" + attribute + " was not acquired");
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}
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} else {
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logger.error("" + attribute + " was not acquired");
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}
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return value;
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}
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public void set(HttpServletRequest httpRequest,
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ServiceCredentials serviceCredentials, String attribute, T value) {
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HttpSession httpSession = httpRequest.getSession();
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@SuppressWarnings("unchecked")
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HashMap<String, T> map = (HashMap<String, T>) httpSession
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.getAttribute(attribute);
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if (map != null) {
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map.put(serviceCredentials.getScope(), value);
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} else {
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map = new HashMap<>();
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map.put(serviceCredentials.getScope(), value);
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httpSession.setAttribute(attribute, map);
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}
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}
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}
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