001    /* Copyright  (c) 2002 Graz University of Technology. All rights reserved.
002     *
003     * Redistribution and use in  source and binary forms, with or without 
004     * modification, are permitted  provided that the following conditions are met:
005     *
006     * 1. Redistributions of  source code must retain the above copyright notice,
007     *    this list of conditions and the following disclaimer.
008     *
009     * 2. Redistributions in  binary form must reproduce the above copyright notice,
010     *    this list of conditions and the following disclaimer in the documentation
011     *    and/or other materials provided with the distribution.
012     *  
013     * 3. The end-user documentation included with the redistribution, if any, must
014     *    include the following acknowledgment:
015     * 
016     *    "This product includes software developed by IAIK of Graz University of
017     *     Technology."
018     * 
019     *    Alternately, this acknowledgment may appear in the software itself, if 
020     *    and wherever such third-party acknowledgments normally appear.
021     *  
022     * 4. The names "Graz University of Technology" and "IAIK of Graz University of
023     *    Technology" must not be used to endorse or promote products derived from 
024     *    this software without prior written permission.
025     *  
026     * 5. Products derived from this software may not be called 
027     *    "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior 
028     *    written permission of Graz University of Technology.
029     *  
030     *  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
031     *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
032     *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
033     *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
034     *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
035     *  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
036     *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
037     *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
038     *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
039     *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
040     *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
041     *  POSSIBILITY  OF SUCH DAMAGE.
042     */
043    
044    package demo.pkcs.pkcs11;
045    
046    import java.applet.Applet;
047    
048    import iaik.pkcs.pkcs11.Module;
049    import iaik.pkcs.pkcs11.Info;
050    
051    
052    
053    /**
054     * This demo program lists information about a module.
055     *
056     * @author <a href="mailto:Karl.Scheibelhofer@iaik.at"> Karl Scheibelhofer </a>
057     * @version 0.1
058     * @invariants
059     */
060    public class ModuleInfo extends Applet {
061      
062      protected Module pkcs11Module_;
063    
064      /**
065       * Initialize this applet. Loads and initializes the module.
066       */
067      public void init() {
068        String moduleName = getParameter("ModuleName");
069        System.out.println("initializing module " + moduleName+ " ... ");
070        try {
071          pkcs11Module_ = Module.getInstance(moduleName);
072          pkcs11Module_.initialize(null);
073        } catch (Throwable ex) {
074          ex.printStackTrace();
075        }
076        System.out.println("...finished initializing");
077      }
078    
079      /**
080       * Start this applet. Gets info about the module and dumps it to the console.
081       */
082      public void start() {
083        System.out.println("starting... ");
084    
085        try {
086          System.out.print("getting module info...");
087          Info info = pkcs11Module_.getInfo();
088          System.out.println("finished");
089          System.out.println("module info is:");
090          System.out.println(info);
091        } catch (Throwable ex) {
092          ex.printStackTrace();
093        }
094        System.out.flush();
095        System.err.flush();
096        
097        System.out.println("...finished starting");
098      }
099    
100      /**
101       * Stop this applet. Does effectively nothing.
102       */
103      public void stop() {
104        System.out.print("stopping... ");
105        System.out.println("finished");
106      }
107    
108      /**
109       * Destroy this applet. Finalizes the module.
110       */
111      public void destroy() {
112        System.out.print("preparing for unloading...");
113        try {
114          pkcs11Module_.finalize(null);
115          pkcs11Module_ = null;
116        } catch (Throwable ex) {
117          ex.printStackTrace();
118        }
119        System.out.println("finished");
120     }
121    
122    }