java applet qr code | Appendix C: Stateful Session EJB: FTP Client Example in Java

Painting QR Code in Java | Appendix C: Stateful Session EJB: FTP Client Example

486 | Appendix C: Stateful Session EJB: FTP Client Example
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server.setBindPort(FTP_SERVER_BIND_PORT); // Start and set server.initializeServer(); server.startServer(); ftpServer = server;
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/** * Stops the FTP Server * @throws Exception */ @AfterClass public static void stopFtpServer() throws Exception { ftpServer.stopServer(); } /** * Ends the session upon the FTP Client SFSB Proxy * and resets */ @After public void endClientSessions() throws Exception { // End the session for client 1 try { client1.endSession(); } // If we've already been ended catch (final NoSuchEJBException nsee) { // Ignore } // End the session for client 2 try { client2.endSession(); } // If we've already been ended catch (final NoSuchEJBException nsee) { // Ignore }
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//--------------------------------------------------------------------------|| // Tests -------------------------------------------------------------------|| //--------------------------------------------------------------------------|| /** * Tests that two separate sessions will act in isolation from each other *
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* @throws Exception */ @Test public void testSessionIsolation() throws Exception { // Log log.info("testSessionIsolation"); // Get the existing client as made from the test lifecycle final FileTransferRemoteBusiness session1 = this.getClient(); // Use another client final FileTransferRemoteBusiness session2 = this.client2; // cd into a home directory for each final String ftpHome = getFtpHome().getAbsolutePath(); session1.cd(ftpHome); session2.cd(ftpHome); // Now make a new directory for each session, and go into it final String newDirSession1 = "newDirSession1"; final String newDirSession2 = "newDirSession2"; session1.mkdir(newDirSession1); session1.cd(newDirSession1); session2.mkdir(newDirSession2); session2.cd(newDirSession2); // Get the current working directory for each session final String pwdSession1 = session1.pwd(); final String pwdSession2 = session2.pwd(); // Ensure each session is in the proper working directory TestCase.assertEquals("Session 1 is in unexpected pwd", ftpHome + File. separator + newDirSession1, pwdSession1); TestCase.assertEquals("Session 2 is in unexpected pwd", ftpHome + File. separator + newDirSession2, pwdSession2); // End the session manually for session2 (session1 will be ended by test lifecycle) session2.endSession(); } /** * Tests that a call to {@link FileTransferRemoteBusiness#endSession()} * results in the SFSB's backing instance removal, and that subsequent * operations result in a {@link NoSuchEJBException} * * @throws Exception */ @Test public void testSfsbRemoval() throws Exception { // Log log.info("testSfsbRemoval");
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488 | Appendix C: Stateful Session EJB: FTP Client Example
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// Get the existing client as made from the test lifecycle final FileTransferRemoteBusiness sfsb = this.getClient(); // cd into the home directory final String ftpHome = getFtpHome().getAbsolutePath(); sfsb.cd(ftpHome); // Get and test the pwd final String pwdBefore = sfsb.pwd(); TestCase.assertEquals("Session should be in the FTP Home directory", ftpHome, pwdBefore); // End the session, resulting in an underlying instance // removal due to the annotation with @Remove upon // the bean implementation class sfsb.endSession(); // Now try some other operation, and ensure that we get a NoSuchEJBException boolean gotExpectedException = false; try { // This should not succeed, because we've called a method marked as @Remove sfsb.pwd(); } catch (final NoSuchEJBException nsee) { gotExpectedException = true; } TestCase.assertTrue("Call to end the session did not result in underlying removal of the SFSB bean instance", gotExpectedException); } //--------------------------------------------------------------------------|| // Required Implementations ------------------------------------------------|| //--------------------------------------------------------------------------|| /* (non-Javadoc) * @see org.jboss.ejb3.examples.ch06.filetransfer.FileTransferTestCaseBase#get Client() */ @Override protected FileTransferRemoteBusiness getClient() { return this.client1; } }
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FileTransferTestCaseBase.java
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package org.jboss.ejb3.examples.ch06.filetransfer; import java.io.File;
import junit.framework.TestCase; import import import import org.jboss.logging.Logger; org.junit.After; org.junit.Before; org.junit.Test;
/** * Base tests for the file transfer test classes, may * be extended either from unit or integration tests. * * @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a> */ public abstract class FileTransferTestCaseBase { //--------------------------------------------------------------------------|| // Class Members -----------------------------------------------------------|| //--------------------------------------------------------------------------|| /** * Logger */ private static final Logger log = Logger.getLogger(FileTransferTestCaseBase. class); /** * The name of the directory under the writable temp filesystem which * will act as the home for these tests */ private static final String RELATIVE_LOCATION_HOME = "ejb31_ch06-example-ftp Home"; /** * The name of the system property denoting the I/O temp directory */ private static final String SYS_PROP_NAME_IO_TMP_DIR = "java.io.tmpdir"; /** * The File we'll use as the writeable home for FTP operations. Created and * destroyed alongside test lifecycle. */ private static File ftpHome; //-------------------------------------------------------------------------|| // Lifecycle --------------------------------------------------------------|| //-------------------------------------------------------------------------|| /** * Creates the directory which we'll use as the writeable home * for FTP operations; called before each test is run. * * @throws Exception */
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