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authorwbauer <wbauer@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2008-10-09 13:14:45 +0000
committerwbauer <wbauer@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2008-10-09 13:14:45 +0000
commit144c0133dcb107b30799a310ba51460d6479358d (patch)
tree08459ef99366caec0539c79dd2c9be8afe596dd2 /smccSTAL/src/main/java/at/gv/egiz
parenta8d050168ad30c59087d9b8f7b399f0ffbb671d8 (diff)
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Added an smcc retry function to make smartcard access more robust.
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@89 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'smccSTAL/src/main/java/at/gv/egiz')
-rw-r--r--smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractSMCCSTAL.java111
1 files changed, 72 insertions, 39 deletions
diff --git a/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractSMCCSTAL.java b/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractSMCCSTAL.java
index 8ee70f1a..c453e06e 100644
--- a/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractSMCCSTAL.java
+++ b/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractSMCCSTAL.java
@@ -1,19 +1,19 @@
/*
-* Copyright 2008 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.
-*/
+ * Copyright 2008 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.smccstal;
import java.util.ArrayList;
@@ -37,15 +37,19 @@ import at.gv.egiz.stal.SignRequest;
public abstract class AbstractSMCCSTAL implements STAL {
private static Log log = LogFactory.getLog(AbstractSMCCSTAL.class);
+
+ public final static int DEFAULT_MAX_RETRIES = 3;
protected Locale locale = Locale.getDefault();
-// protected SMCCHelper smccHelper = new SMCCHelper();
+ // protected SMCCHelper smccHelper = new SMCCHelper();
protected SignatureCard signatureCard = null;
protected static Map<String, SMCCSTALRequestHandler> handlerMap = new HashMap<String, SMCCSTALRequestHandler>();
+
+ protected int maxRetries = DEFAULT_MAX_RETRIES;
static {
addRequestHandler(InfoboxReadRequest.class, new InfoBoxReadRequestHandler());
-// addRequestHandler(SignRequest.class, new SignRequestHandler());
+ // addRequestHandler(SignRequest.class, new SignRequestHandler());
}
/**
@@ -58,37 +62,61 @@ public abstract class AbstractSMCCSTAL implements STAL {
protected abstract BKUGUIFacade getGUI();
@Override
- public List<STALResponse> handleRequest(
- List<STALRequest> requestList) {
+ public List<STALResponse> handleRequest(List<STALRequest> requestList) {
log.debug("Got request list containing " + requestList.size()
+ " STAL requests");
List<STALResponse> responseList = new ArrayList<STALResponse>(requestList
.size());
+
for (STALRequest request : requestList) {
log.info("Processing: " + request.getClass());
- SMCCSTALRequestHandler handler = null;
- handler = handlerMap.get(request.getClass().getSimpleName());
- if (handler != null) {
- if (handler.requireCard()) {
- if (waitForCard()) {
- responseList.add(new ErrorResponse(6001));
- break;
+ int retryCounter = 0;
+ while (retryCounter < maxRetries) {
+ log.info("Number of retries: "+retryCounter);
+ SMCCSTALRequestHandler handler = null;
+ handler = handlerMap.get(request.getClass().getSimpleName());
+ if (handler != null) {
+ if (handler.requireCard()) {
+ if (waitForCard()) {
+ responseList.add(new ErrorResponse(6001));
+ break;
+ }
}
- }
- try {
- handler = handler.newInstance();
- handler.init(signatureCard, getGUI());
- STALResponse response = handler.handleRequest(request);
- if (response != null) {
- responseList.add(response);
+ try {
+ handler = handler.newInstance();
+ handler.init(signatureCard, getGUI());
+ STALResponse response = handler.handleRequest(request);
+ if (response != null) {
+ if (response instanceof ErrorResponse) {
+ log.info("Got an error response");
+ if (++retryCounter < maxRetries) {
+ log.info("Retrying");
+ signatureCard = null;
+ } else {
+ responseList.add(response);
+ }
+ } else {
+ responseList.add(response);
+ retryCounter = Integer.MAX_VALUE;
+ break;
+ }
+ } else {
+ log.info("Got null response from handler, assuming quit");
+ retryCounter = Integer.MAX_VALUE;
+ }
+ } catch (Exception e) {
+ log.info("Error while handling STAL request:" + e);
+ if (++retryCounter < maxRetries) {
+ log.info("Retrying");
+ signatureCard = null;
+ } else {
+ responseList.add(new ErrorResponse(6000));
+ }
}
- } catch (Exception e) {
- log.info("Error while handling STAL request:" + e);
- responseList.add(new ErrorResponse(6000));
+ } else {
+ log.error("Cannot find a handler for STAL request: " + request);
+ responseList.add(new ErrorResponse());
}
- } else {
- log.error("Cannot find a handler for STAL request: " + request);
- responseList.add(new ErrorResponse());
}
}
return responseList;
@@ -112,4 +140,9 @@ public abstract class AbstractSMCCSTAL implements STAL {
}
this.locale = locale;
}
+
+ public void setMaxRetries(int maxRetries) {
+ this.maxRetries = maxRetries;
+ }
+
}