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authormcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-07-28 09:05:04 +0000
committermcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-07-28 09:05:04 +0000
commitaf24a20257f4958ef5335d471a7fe2c93f475a35 (patch)
treef7f4b2da3f123433d78a1c950d1150b9adf60356 /BKUOnline/src/main/java
parentc84ee7bc9459bf4966144d29efc4e91b6497a28e (diff)
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Resolved issue [#MOCCA-745] (Two simultaneous requests within the same session cause failure in both requests).
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@790 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'BKUOnline/src/main/java')
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/SessionListener.java11
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionId.java38
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdFilter.java (renamed from BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/RequestIdFilter.java)28
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdResponseWrapper.java98
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java5
5 files changed, 171 insertions, 9 deletions
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/SessionListener.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/SessionListener.java
index e7f05862..58e9c861 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/SessionListener.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/SessionListener.java
@@ -23,6 +23,7 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.gv.egiz.bku.binding.BindingProcessorManager;
+import at.gv.egiz.bku.binding.Id;
import at.gv.egiz.bku.binding.IdFactory;
/**
@@ -36,12 +37,20 @@ public class SessionListener implements HttpSessionListener {
@Override
public void sessionCreated(HttpSessionEvent event) {
log.info("Session {} created.", event.getSession().getId());
+ event.getSession().setAttribute(TransactionId.TRANSACTION_INDEX, new TransactionId());
}
@Override
public void sessionDestroyed(HttpSessionEvent event) {
BindingProcessorManager manager = (BindingProcessorManager) event.getSession().getServletContext().getAttribute("bindingProcessorManager");
- manager.removeBindingProcessor(IdFactory.getInstance().createId(event.getSession().getId()));
+ TransactionId tidx = (TransactionId) event.getSession().getAttribute(TransactionId.TRANSACTION_INDEX);
+ if (tidx != null) {
+ IdFactory idFactory = IdFactory.getInstance();
+ for (int i = 0; i <= tidx.get(); i++) {
+ Id id = idFactory.createId(event.getSession().getId() + "-" + i);
+ manager.removeBindingProcessor(id);
+ }
+ }
log.info("Session {} destroyed.", event.getSession().getId());
}
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionId.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionId.java
new file mode 100644
index 00000000..329db1bb
--- /dev/null
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionId.java
@@ -0,0 +1,38 @@
+/*
+* Copyright 2009 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package at.gv.egiz.bku.online.webapp;
+
+import java.io.Serializable;
+
+public class TransactionId implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ public static final String TRANSACTION_INDEX = "tidx";
+
+ private int index = 0;
+
+ public synchronized int next() {
+ return ++index;
+ }
+
+ public synchronized int get() {
+ return index;
+ }
+
+}
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/RequestIdFilter.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdFilter.java
index 210f482f..3ae41707 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/RequestIdFilter.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdFilter.java
@@ -9,6 +9,7 @@ import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.slf4j.MDC;
@@ -19,7 +20,7 @@ import at.gv.egiz.bku.binding.IdFactory;
/**
* Servlet Filter implementation class BindingProcessorFilter
*/
-public class RequestIdFilter implements Filter {
+public class TransactionIdFilter implements Filter {
/**
* @see Filter#destroy()
@@ -35,9 +36,28 @@ public class RequestIdFilter implements Filter {
if (request instanceof HttpServletRequest) {
HttpSession session = ((HttpServletRequest) request).getSession();
- Id id = IdFactory.getInstance().createId(session.getId());
+
+ String tidx = null;
+ // We expect the transaction index parameter to appear in GET requests only
+ if ("GET".equals(((HttpServletRequest) request).getMethod())) {
+ tidx = request.getParameter("tidx");
+ }
+
+ if (tidx == null) {
+ TransactionId transactionIndex = (TransactionId) session
+ .getAttribute(TransactionId.TRANSACTION_INDEX);
+ if (transactionIndex != null) {
+ tidx = Integer.toString(transactionIndex.next());
+ } else {
+ tidx = "0";
+ }
+ }
+
+ Id id = IdFactory.getInstance().createId(session.getId() + "-" + tidx);
MDC.put("id", id.toString());
request.setAttribute("id", id);
+
+ response = new TransactionIdResponseWrapper((HttpServletResponse) response, session.getId(), tidx);
}
// pass the request along the filter chain
@@ -54,5 +74,5 @@ public class RequestIdFilter implements Filter {
*/
public void init(FilterConfig fConfig) throws ServletException {
}
-
-}
+
+}
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdResponseWrapper.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdResponseWrapper.java
new file mode 100644
index 00000000..c7bbf85c
--- /dev/null
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/TransactionIdResponseWrapper.java
@@ -0,0 +1,98 @@
+/*
+* Copyright 2009 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+ *
+ */
+package at.gv.egiz.bku.online.webapp;
+
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletResponseWrapper;
+
+public class TransactionIdResponseWrapper extends HttpServletResponseWrapper {
+
+ private String sessionId;
+
+ private String tidx;
+
+ public TransactionIdResponseWrapper(HttpServletResponse response, String sessionId, String tidx) {
+ super(response);
+ this.sessionId = sessionId;
+ this.tidx = tidx;
+ }
+
+ /* (non-Javadoc)
+ * @see javax.servlet.http.HttpServletResponseWrapper#encodeRedirectURL(java.lang.String)
+ */
+ @Override
+ public String encodeRedirectURL(String url) {
+ // ensure jsessionid and tidx parameters
+ String encodedUrl = super.encodeRedirectUrl(url);
+ int i = encodedUrl.indexOf('?');
+ StringBuilder u = new StringBuilder();
+ if (i > 0) {
+ u.append(encodedUrl.substring(0, i));
+ } else {
+ u.append(encodedUrl);
+ }
+ if (!encodedUrl.contains(";jsessionid=")) {
+ u.append(";jsessionid=");
+ u.append(sessionId);
+ }
+ if (i < 0) {
+ u.append('?');
+ } else if (i < encodedUrl.length() - 1) {
+ u.append(encodedUrl.substring(i));
+ u.append('&');
+ }
+ u.append("tidx=");
+ u.append(tidx);
+
+ return u.toString();
+ }
+
+ /* (non-Javadoc)
+ * @see javax.servlet.http.HttpServletResponseWrapper#encodeURL(java.lang.String)
+ */
+ @Override
+ public String encodeURL(String url) {
+ // ensure tidx parameter
+ String encodedUrl = super.encodeUrl(url);
+ if (url.endsWith("?wsdl")) {
+ // don't add parameters to ?wsdl URLs
+ return encodedUrl;
+ }
+ int i = encodedUrl.indexOf('?');
+ StringBuilder u = new StringBuilder();
+ if (i > 0) {
+ u.append(encodedUrl.substring(0, i));
+ } else {
+ u.append(encodedUrl);
+ }
+ if (i < 0) {
+ u.append('?');
+ } else if (i < encodedUrl.length() - 1) {
+ u.append(encodedUrl.substring(i));
+ u.append('&');
+ }
+ u.append("tidx=");
+ u.append(tidx);
+
+ return u.toString();
+ }
+
+} \ No newline at end of file
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
index 08b50699..0f432a10 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/WebRequestHandler.java
@@ -121,10 +121,7 @@ public class WebRequestHandler extends HttpServlet {
bindingProcessorManager.process(id, bindingProcessor);
log.debug("Sending redirect to user interface.");
- // TODO: appending the jsessionid here breaks the separation of request
- // handling and request state tracking done in the servlet filter, but
- // the servlet filter does not allow us to modify the redirect
- resp.sendRedirect("ui;jsessionid=" + id.toString());
+ resp.sendRedirect(resp.encodeRedirectURL("ui"));
}