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-rw-r--r--smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractBKUWorker.java199
1 files changed, 199 insertions, 0 deletions
diff --git a/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractBKUWorker.java b/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractBKUWorker.java
new file mode 100644
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+++ b/smccSTAL/src/main/java/at/gv/egiz/bku/smccstal/AbstractBKUWorker.java
@@ -0,0 +1,199 @@
+/*
+ * 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.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.List;
+
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.gui.BKUGUIFacade;
+import at.gv.egiz.smcc.SignatureCard;
+import at.gv.egiz.smcc.util.SMCCHelper;
+import at.gv.egiz.stal.QuitRequest;
+import at.gv.egiz.stal.STALRequest;
+import at.gv.egiz.stal.STALResponse;
+
+/**
+ * Abstract base class for AppletBKUWorker and LocalBKUWorker,
+ * providing card specific functionality not implemented by AbstractSMCCSTAL
+ * as well as common GUI functionality (action event handling).
+ * <br/>
+ * This class implements SMCCSTALRequestHandler and registers itself as QUIT handler.
+ *
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public abstract class AbstractBKUWorker extends AbstractSMCCSTAL implements ActionListener, SMCCSTALRequestHandler {
+
+ protected static Log log = LogFactory.getLog(AbstractBKUWorker.class);
+ protected BKUGUIFacade gui;
+ protected List<String> actionCommandList = new ArrayList<String>();
+ protected Boolean actionPerformed = false;
+ protected boolean finished = false;
+
+ public AbstractBKUWorker(BKUGUIFacade gui) {
+ if (gui == null) {
+ throw new NullPointerException("No BKU GUI provided");
+ }
+ this.gui = gui;
+ this.locale = gui.getLocale();
+ addRequestHandler(QuitRequest.class, this);
+ }
+
+ ///////////////////////////////////////////////////////////////////
+ // Common action event handling //
+ ///////////////////////////////////////////////////////////////////
+
+ /**
+ * notifies all registered handlers that an event occured
+ * @param e
+ */
+ @Override
+ public void actionPerformed(ActionEvent e) {
+ log.info("Action: " + e);
+ if (actionCommandList != null) {
+ if (actionCommandList.contains(e.getActionCommand())) {
+ actionOccured();
+ }
+ } else {
+ actionOccured();
+ }
+ }
+
+ /**
+ * register for notification on action event
+ * @throws java.lang.InterruptedException
+ */
+ protected synchronized void waitForAction() throws InterruptedException {
+ log.info("Waiting for Action");
+ while (!actionPerformed) {
+ wait();
+ }
+ actionPerformed = false;
+ }
+
+ protected synchronized void actionOccured() {
+ log.info("Received Action");
+ actionPerformed = true;
+ notifyAll();
+ }
+
+ ///////////////////////////////////////////////////////////////////
+ // card specific implementations of AbstractSMCCSTAL //
+ ///////////////////////////////////////////////////////////////////
+
+ @Override
+ protected boolean waitForCard() {
+ SMCCHelper smccHelper = new SMCCHelper();
+ actionCommandList.clear();
+ actionCommandList.add("cancel");
+ // while no sigcard found or cancel button pressed
+ int oldValue = SMCCHelper.PC_SC_NOT_SUPPORTED; // this is a save default
+ while ((signatureCard == null) && (!actionPerformed)) {
+ switch (smccHelper.getResultCode()) {
+ case SMCCHelper.PC_SC_NOT_SUPPORTED:
+ actionCommandList.clear();
+ actionCommandList.add("ok");
+ gui.showErrorDialog(BKUGUIFacade.ERR_NO_PCSC, null, this, "ok");
+ try {
+ waitForAction();
+ } catch (InterruptedException e) {
+ log.error(e);
+ }
+ return true;
+ case SMCCHelper.TERMINAL_NOT_PRESENT:
+ actionCommandList.clear();
+ actionCommandList.add("ok");
+ gui.showErrorDialog(BKUGUIFacade.ERR_NO_CARDTERMINAL, null, this, "ok");
+ try {
+ waitForAction();
+ } catch (InterruptedException e) {
+ log.error(e);
+ }
+ return true;
+ case SMCCHelper.CARD_NOT_SUPPORTED:
+ if (oldValue != SMCCHelper.CARD_NOT_SUPPORTED) {
+ actionCommandList.clear();
+ actionCommandList.add("cancel");
+ gui.showCardNotSupportedDialog(this, "cancel");
+ oldValue = SMCCHelper.CARD_NOT_SUPPORTED;
+ }
+ break;
+ case SMCCHelper.NO_CARD:
+ if (oldValue != SMCCHelper.NO_CARD) {
+ actionCommandList.clear();
+ actionCommandList.add("cancel");
+ gui.showInsertCardDialog(this, "cancel");
+ oldValue = SMCCHelper.NO_CARD;
+ }
+ break;
+ case SMCCHelper.CARD_FOUND:
+ signatureCard = smccHelper.getSignatureCard(locale);
+ return false;
+ }
+ smccHelper.update(3000);
+ }
+ return signatureCard == null;
+ }
+
+ @Override
+ protected BKUGUIFacade getGUI() {
+ return gui;
+ }
+
+ ///////////////////////////////////////////////////////////////////
+ // SMCCSTALRequestHandler for QUIT requests //
+ ///////////////////////////////////////////////////////////////////
+
+ /**
+ * Handle QUIT requests: set finished true.
+ * @param request a QUIT request
+ * @return null (no response on QUIT)
+ */
+ @Override
+ public STALResponse handleRequest(STALRequest request) {
+ if (request instanceof QuitRequest) {
+ log.info("Setting state to: finished for BKUWorker " + this);
+ finished = true;
+ } else {
+ log.error("Unexpected request to handle: " + request);
+ }
+ return null;
+ }
+
+ /**
+ * No initialization required for QUIT request handlers.
+ * @param sc
+ * @param gui
+ */
+ @Override
+ public void init(SignatureCard sc, BKUGUIFacade gui) {
+ }
+
+ /**
+ * QUIT request handlers do not require a card.
+ * @return false
+ */
+ @Override
+ public boolean requireCard() {
+ return false;
+ }
+}