diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java')
| -rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java index 1ea8631c6..849ccf5db 100644 --- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/ProcessEngineSignalServlet.java @@ -17,19 +17,46 @@ import at.gv.egovernment.moa.id.util.ParamValidatorUtils; import com.datentechnik.process_engine.ProcessInstance;
+/**
+ * Servlet that resumes a suspended process (in case of asynchronous tasks).
+ *
+ * @author tknall
+ *
+ */
public class ProcessEngineSignalServlet extends AuthServlet {
private static final long serialVersionUID = 1L;
+ /**
+ * Sets response headers that prevent caching (code taken from {@link AuthServlet}).
+ *
+ * @param resp
+ * The HttpServletResponse.
+ */
+ private void setNoCachingHeaders(HttpServletResponse resp) {
+ resp.setHeader(HEADER_EXPIRES, HEADER_VALUE_EXPIRES);
+ resp.setHeader(HEADER_PRAGMA, HEADER_VALUE_PRAGMA);
+ resp.setHeader(HEADER_CACHE_CONTROL, HEADER_VALUE_CACHE_CONTROL);
+ resp.addHeader(HEADER_CACHE_CONTROL, HEADER_VALUE_CACHE_CONTROL_IE);
+ }
+
+ /**
+ * Processes a GET request, delegating the call to {@link #doPost(HttpServletRequest, HttpServletResponse)}.
+ */
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+ this.doPost(req, resp);
+ }
+
+ /**
+ * Resumes the current process instance that has been suspended due to an asynchronous task. The process instance is
+ * retrieved from the MOA session referred to by the request parameter {@link MOAIDAuthConstants#PARAM_SESSIONID}.
+ */
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String sessionID = StringEscapeUtils.escapeHtml(req.getParameter(PARAM_SESSIONID));
- resp.setHeader(MOAIDAuthConstants.HEADER_EXPIRES, MOAIDAuthConstants.HEADER_VALUE_EXPIRES);
- resp.setHeader(MOAIDAuthConstants.HEADER_PRAGMA, MOAIDAuthConstants.HEADER_VALUE_PRAGMA);
- resp.setHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL, MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL);
- resp.addHeader(MOAIDAuthConstants.HEADER_CACHE_CONTROL, MOAIDAuthConstants.HEADER_VALUE_CACHE_CONTROL_IE);
-
+ setNoCachingHeaders(resp);
try {
// check parameter
@@ -44,7 +71,7 @@ public class ProcessEngineSignalServlet extends AuthServlet { if (session.getProcessInstanceId() == null) {
throw new IllegalStateException("MOA session does not provide process instance id.");
}
-
+
// wake up next task
ProcessInstance pi = getProcessEngine().getProcessInstance(session.getProcessInstanceId());
getProcessEngine().signal(pi);
|