Source Code Cross Referenced for Librarian.java in  » Installer » IzPack » com » izforge » izpack » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Installer » IzPack » com.izforge.izpack.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: Librarian.java 2056 2008-02-25 08:29:28Z jponge $ 
003:         * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
004:         * 
005:         * http://izpack.org/
006:         * http://izpack.codehaus.org/
007:         * 
008:         * Copyright 2002 Elmar Grom
009:         * 
010:         * Licensed under the Apache License, Version 2.0 (the "License");
011:         * you may not use this file except in compliance with the License.
012:         * You may obtain a copy of the License at
013:         * 
014:         *     http://www.apache.org/licenses/LICENSE-2.0
015:         *     
016:         * Unless required by applicable law or agreed to in writing, software
017:         * distributed under the License is distributed on an "AS IS" BASIS,
018:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
019:         * See the License for the specific language governing permissions and
020:         * limitations under the License.
021:         */
022:
023:        package com.izforge.izpack.util;
024:
025:        import java.io.File;
026:        import java.io.FileNotFoundException;
027:        import java.io.FileOutputStream;
028:        import java.io.IOException;
029:        import java.io.InputStream;
030:        import java.io.OutputStream;
031:        import java.net.URL;
032:        import java.security.CodeSource;
033:        import java.security.ProtectionDomain;
034:        import java.text.CharacterIterator;
035:        import java.text.StringCharacterIterator;
036:        import java.util.Vector;
037:
038:        /*---------------------------------------------------------------------------*/
039:        /**
040:         * This class handles loading of native libraries. There must only be one instance of
041:         * <code>Librarian</code> per Java runtime, therefore this class is implemented as a 'Singleton'.
042:         * <br>
043:         * <br>
044:         * <code>Librarian</code> is capable of loading native libraries from a variety of different
045:         * source locations. However, you should place your library files in the 'native' directory. The
046:         * primary reason for supporting different source locations is to facilitate testing in a
047:         * development environment, without the need to actually packing the application into a *.jar file.
048:         * 
049:         * @version 1.0 / 1/30/02
050:         * @author Elmar Grom
051:         */
052:        /*---------------------------------------------------------------------------*/
053:        public class Librarian implements  CleanupClient {
054:
055:            // ------------------------------------------------------------------------
056:            // Constant Definitions
057:            // ------------------------------------------------------------------------
058:
059:            /** Used to identify jar URL protocols */
060:            private static final String JAR_PROTOCOL = "jar";
061:
062:            /** Used to identify file URL protocols */
063:            private static final String FILE_PROTOCOL = "file";
064:
065:            /**
066:             * The key used to retrieve the location of temporary files form the system properties.
067:             */
068:            private static final String TEMP_LOCATION_KEY = "java.io.tmpdir";
069:
070:            /**
071:             * The extension appended to the client name when searching for it as a resource. Since the
072:             * client is an object, the extension should always be '.class'
073:             */
074:            private static final String CLIENT_EXTENSION = ".class";
075:
076:            /** The default directory for native library files. */
077:            private static final String NATIVE = "native";
078:
079:            /** The block size used for reading and writing data, 4k. */
080:            private static final int BLOCK_SIZE = 4096;
081:
082:            /** VM version needed to select clean up method. */
083:            private static final float JAVA_SPECIFICATION_VERSION = Float
084:                    .parseFloat(System
085:                            .getProperty("java.specification.version"));
086:
087:            // ------------------------------------------------------------------------
088:            // Variable Declarations
089:            // ------------------------------------------------------------------------
090:
091:            /**
092:             * The reference to the single instance of <code>Librarian</code>. Used in static methods in
093:             * place of <code>this</code>.
094:             */
095:            private static Librarian me = null;
096:
097:            /**
098:             * A list that is used to track all libraries that have been loaded. This list is used to ensure
099:             * that each library is loaded only once.
100:             */
101:            private Vector<String> trackList = new Vector<String>();
102:
103:            /**
104:             * A list of references to clients that use libraries that were extracted from a *.jar file.
105:             * This is needed because the clients need to be called for freeing their libraries.
106:             */
107:            private Vector<NativeLibraryClient> clients = new Vector<NativeLibraryClient>();
108:
109:            /**
110:             * A list of library names as they appear in the temporary directory. This is needed to free
111:             * each library through the client. The index of each name corresponds to the index of the
112:             * respective client in the <code>clients</code> list.
113:             */
114:            private Vector<String> libraryNames = new Vector<String>();
115:
116:            /**
117:             * A list of fully qualified library names. This is needed to delete the temporary library files
118:             * after use. The index of each name corresponds to the index of the respective client in the
119:             * <code>clients</code> list.
120:             */
121:            private Vector<String> temporaryFileNames = new Vector<String>();
122:
123:            /** The extension to use for native libraries. */
124:            private String extension = "";
125:
126:            /** The directory that is used to hold all native libraries. */
127:            private String nativeDirectory = NATIVE;
128:
129:            /*--------------------------------------------------------------------------*/
130:            /**
131:             * This class is implemented as a 'Singleton'. Therefore the constructor is private to prevent
132:             * instantiation of this class. Use <code>getInstance()</code> to obtain an instance for use.
133:             * <br>
134:             * <br>
135:             * For more information about the 'Singleton' pattern I highly recommend the book Design
136:             * Patterns by Gamma, Helm, Johnson and Vlissides ISBN 0-201-63361-2.
137:             */
138:            /*--------------------------------------------------------------------------*/
139:            private Librarian() {
140:                Housekeeper.getInstance().registerForCleanup(this );
141:                extension = '.' + TargetFactory.getInstance()
142:                        .getNativeLibraryExtension();
143:            }
144:
145:            /*--------------------------------------------------------------------------*/
146:            /**
147:             * Returns an instance of <code>Librarian</code> to use.
148:             * 
149:             * @return an instance of <code>Librarian</code>.
150:             */
151:            /*--------------------------------------------------------------------------*/
152:            public static Librarian getInstance() {
153:                if (me == null) {
154:                    me = new Librarian();
155:                }
156:
157:                return (me);
158:            }
159:
160:            public synchronized void loadLibrary(String name,
161:                    NativeLibraryClient client) throws Exception {
162:                try {
163:                    loadArchSpecificLibrary(name, client);
164:                } catch (Exception ex) {
165:                    loadArchSpecificLibrary(name + "_x64", client);
166:                }
167:            }
168:
169:            /*--------------------------------------------------------------------------*/
170:            /**
171:             * Loads the requested library. If the library is already loaded, this method returns
172:             * immediately, without an attempt to load the library again. <br>
173:             * <br>
174:             * <b>Invocation Example:</b> This assumes that the call is made from the class that links with
175:             * the library. If this is not the case, <code>this</code> must be replaced by the reference
176:             * of the class that links with the library. <br>
177:             * <br>
178:             * <code>
179:             * Librarian.getInstance ().loadLibrary ("MyLibrary", this);
180:             * </code> <br>
181:             * <br>
182:             * Loading of a native library file works as follows:<br>
183:             * <ul>
184:             * <li>If the library is already loaded there is nothing to do.
185:             * <li>An attempt is made to load the library by its name. If there is no system path set to
186:             * the library, this attempt will fail.
187:             * <li>If the client is located on the local file system, an attempt is made to load the
188:             * library from the local files system as well.
189:             * <li>If the library is located inside a *.jar file, it is extracted to 'java.io.tmpdir' and
190:             * an attempt is made to load it from there.
191:             * </ul>
192:             * <br>
193:             * <br>
194:             * Loading from the local file system and from the *.jar file is attempted for the following
195:             * potential locations of the library in this order:<br>
196:             * <ol>
197:             * <li>The same directory where the client is located
198:             * <li>The native library directory
199:             * </ol>
200:             * 
201:             * @param name the name of the library. A file extension and path are not needed, in fact if
202:             * supplied, both is stripped off. A specific extension is appended.
203:             * @param client the object that made the load request
204:             * 
205:             * @see #setNativeDirectory
206:             * 
207:             * @exception Exception if all attempts to load the library fail.
208:             */
209:            /*--------------------------------------------------------------------------*/
210:            public synchronized void loadArchSpecificLibrary(String name,
211:                    NativeLibraryClient client) throws Exception {
212:                String libraryName = strip(name);
213:                String tempFileName = "";
214:
215:                // ----------------------------------------------------
216:                // Return if the library is already loaded
217:                // ----------------------------------------------------
218:                if (loaded(libraryName)) {
219:                    return;
220:                }
221:
222:                if (System.getProperty("DLL_PATH") != null) {
223:                    String path = System.getProperty("DLL_PATH") + "/" + name
224:                            + extension;
225:                    path = path.replace('/', File.separatorChar);
226:                    Debug.trace("Try to load library " + path);
227:                    System.load(path);
228:                    return;
229:
230:                }
231:                // ----------------------------------------------------
232:                // First try a straight load
233:                // ----------------------------------------------------
234:                try {
235:                    System.loadLibrary(libraryName);
236:                    return;
237:                } catch (UnsatisfiedLinkError exception) {
238:                } catch (SecurityException exception) {
239:                }
240:
241:                // ----------------------------------------------------
242:                // Next, try to get the protocol for loading the resource.
243:                // ----------------------------------------------------
244:                Class clientClass = client.getClass();
245:                String resourceName = clientClass.getName();
246:                int nameStart = resourceName.lastIndexOf('.') + 1;
247:                resourceName = resourceName.substring(nameStart, resourceName
248:                        .length())
249:                        + CLIENT_EXTENSION;
250:                URL url = clientClass.getResource(resourceName);
251:                if (url == null) {
252:                    throw (new Exception("can't identify load protocol for "
253:                            + libraryName + extension));
254:                }
255:                String protocol = url.getProtocol();
256:
257:                // ----------------------------------------------------
258:                // If it's a local file, load it from the current location
259:                // ----------------------------------------------------
260:                if (protocol.equalsIgnoreCase(FILE_PROTOCOL)) {
261:                    try {
262:                        System.load(getClientPath(name, url));
263:                    } catch (Throwable exception) {
264:                        try {
265:                            System.load(getNativePath(name, client));
266:                        } catch (Throwable exception2) {
267:                            throw (new Exception("error loading library"));
268:                        }
269:                    }
270:                }
271:
272:                // ----------------------------------------------------
273:                // If it is in a *.jar file, extract it to 'java.io.tmpdir'
274:                // ----------------------------------------------------
275:
276:                else if (protocol.equalsIgnoreCase(JAR_PROTOCOL)) {
277:                    tempFileName = getTempFileName(libraryName);
278:                    try {
279:                        extractFromJar(libraryName, tempFileName, client);
280:
281:                        clients.add(client);
282:                        temporaryFileNames.add(tempFileName);
283:                        libraryNames.add(tempFileName.substring((tempFileName
284:                                .lastIndexOf(File.separatorChar) + 1),
285:                                tempFileName.length()));
286:
287:                        // --------------------------------------------------
288:                        // Try loading the temporary file from 'java.io.tmpdir'.
289:                        // --------------------------------------------------
290:                        System.load(tempFileName);
291:                    } catch (Throwable exception) {
292:                        throw (new Exception("error loading library\n"
293:                                + exception.toString()));
294:                    }
295:                }
296:            }
297:
298:            /*--------------------------------------------------------------------------*/
299:            /**
300:             * Verifies if the library has already been loaded and keeps track of all libraries that are
301:             * verified.
302:             * 
303:             * @param name name of the library to verify
304:             * 
305:             * @return <code>true</code> if the library had already been loaded, otherwise
306:             * <code>false</code>.
307:             */
308:            /*--------------------------------------------------------------------------*/
309:            private boolean loaded(String name) {
310:                if (trackList.contains(name)) {
311:                    return (true);
312:                } else {
313:                    trackList.add(name);
314:                    return (false);
315:                }
316:            }
317:
318:            /*--------------------------------------------------------------------------*/
319:            /**
320:             * Strips the extension of the library name, if it has one.
321:             * 
322:             * @param name the name of the library
323:             * 
324:             * @return the name without an extension
325:             */
326:            /*--------------------------------------------------------------------------*/
327:            private String strip(String name) {
328:                int extensionStart = name.lastIndexOf('.');
329:                int nameStart = name.lastIndexOf('/');
330:                if (nameStart < 0) {
331:                    nameStart = name.lastIndexOf('\\');
332:                }
333:                nameStart++;
334:
335:                String shortName;
336:
337:                if (extensionStart > 0) {
338:                    shortName = name.substring(nameStart, extensionStart);
339:                } else {
340:                    shortName = name.substring(nameStart, name.length());
341:                }
342:
343:                return (shortName);
344:            }
345:
346:            /*--------------------------------------------------------------------------*/
347:            /**
348:             * Makes an attempt to extract the named library from the jar file and to store it on the local
349:             * file system for temporary use. If the attempt is successful, the fully qualified file name of
350:             * the library on the local file system is returned.
351:             * 
352:             * @param name the simple name of the library
353:             * @param destination the fully qualified name of the destination file.
354:             * @param client the class that made the load request.
355:             * 
356:             * @exception Exception if the library can not be extracted from the *.jar file.
357:             * @exception FileNotFoundException if the *.jar file does not exist. The way things operate
358:             * here, this should actually never happen.
359:             */
360:            /*--------------------------------------------------------------------------*/
361:            private void extractFromJar(String name, String destination,
362:                    NativeLibraryClient client) throws Exception {
363:                int bytesRead = 0;
364:                OutputStream output = null;
365:
366:                // ----------------------------------------------------
367:                // open an input stream for the library file
368:                // ----------------------------------------------------
369:                InputStream input = openInputStream(name, client);
370:
371:                // ----------------------------------------------------
372:                // open an output stream for the temporary file
373:                // ----------------------------------------------------
374:                try {
375:                    output = new FileOutputStream(destination);
376:                } catch (FileNotFoundException exception) {
377:                    input.close();
378:                    throw (new Exception("can't create destination file"));
379:                } catch (SecurityException exception) {
380:                    input.close();
381:                    throw (new Exception("creation of destination file denied"));
382:                } catch (Throwable exception) {
383:                    input.close();
384:                    throw (new Exception(
385:                            "unknown problem creating destination file\n"
386:                                    + exception.toString()));
387:                }
388:
389:                // ----------------------------------------------------
390:                // pump the data
391:                // ----------------------------------------------------
392:                byte[] buffer = new byte[BLOCK_SIZE];
393:                try {
394:                    do {
395:                        bytesRead = input.read(buffer);
396:                        if (bytesRead > 0) {
397:                            output.write(buffer, 0, bytesRead);
398:                        }
399:                    } while (bytesRead > 0);
400:                } catch (Throwable exception) {
401:                    throw (new Exception("error writing to destination file\n"
402:                            + exception.toString()));
403:                }
404:
405:                // ----------------------------------------------------
406:                // flush the data and close both streams
407:                // ----------------------------------------------------
408:                finally {
409:                    input.close();
410:                    output.flush();
411:                    output.close();
412:                }
413:            }
414:
415:            /*--------------------------------------------------------------------------*/
416:            /**
417:             * Returns the complete path (including file name) for the native library, assuming the native
418:             * library is located in the same directory from which the client was loaded.
419:             * 
420:             * @param name the simple name of the library
421:             * @param clientURL a URL that points to the client class
422:             * 
423:             * @return the path to the client
424:             */
425:            /*--------------------------------------------------------------------------*/
426:            private String getClientPath(String name, URL clientURL) {
427:                String path = clientURL.getFile();
428:
429:                int nameStart = path.lastIndexOf('/') + 1;
430:
431:                path = path.substring(0, nameStart);
432:                path = path + name + extension;
433:                path = path.replace('/', File.separatorChar);
434:                // Revise the URI-path to a file path; needed in uninstaller because it
435:                // writes the jar contents into a sandbox; may be with blanks in the
436:                // path.
437:                path = revisePath(path);
438:
439:                return (path);
440:            }
441:
442:            /*--------------------------------------------------------------------------*/
443:            /**
444:             * Returns the complete path (including file name) for the native library, assuming the native
445:             * library is located in a directory where native libraries are ordinarily expected.
446:             * 
447:             * @param name the simple name of the library
448:             * @param client the class that made the load request.
449:             * 
450:             * @return the path to the location of the native libraries.
451:             */
452:            /*--------------------------------------------------------------------------*/
453:            private String getNativePath(String name, NativeLibraryClient client) {
454:                ProtectionDomain domain = client.getClass()
455:                        .getProtectionDomain();
456:                CodeSource codeSource = domain.getCodeSource();
457:                URL url = codeSource.getLocation();
458:                String path = url.getPath();
459:                path = path + nativeDirectory + '/' + name + extension;
460:                path = path.replace('/', File.separatorChar);
461:                // Revise the URI-path to a file path; needed in uninstaller because it
462:                // writes the jar contents into a sandbox; may be with blanks in the
463:                // path.
464:                path = revisePath(path);
465:
466:                return (path);
467:            }
468:
469:            /*--------------------------------------------------------------------------*/
470:            /**
471:             * Revises the given path to a file compatible path. In fact this method replaces URI-like
472:             * entries with it chars (e.g. %20 with a space).
473:             * 
474:             * @param in path to be revised
475:             * @return revised path
476:             */
477:            /*--------------------------------------------------------------------------*/
478:            private String revisePath(String in) {
479:                // This was "stolen" from com.izforge.izpack.util.SelfModifier
480:
481:                StringBuffer sb = new StringBuffer();
482:                CharacterIterator iter = new StringCharacterIterator(in);
483:                for (char c = iter.first(); c != CharacterIterator.DONE; c = iter
484:                        .next()) {
485:                    if (c == '%') {
486:                        char c1 = iter.next();
487:                        if (c1 != CharacterIterator.DONE) {
488:                            int i1 = Character.digit(c1, 16);
489:                            char c2 = iter.next();
490:                            if (c2 != CharacterIterator.DONE) {
491:                                int i2 = Character.digit(c2, 16);
492:                                sb.append((char) ((i1 << 4) + i2));
493:                            }
494:                        }
495:                    } else {
496:                        sb.append(c);
497:                    }
498:                }
499:                String path = sb.toString();
500:                return path;
501:            }
502:
503:            /*--------------------------------------------------------------------------*/
504:            /**
505:             * Opens an <code>InputStream</code> to the native library.
506:             * 
507:             * @param name the simple name of the library
508:             * @param client the class that made the load request.
509:             * 
510:             * @return an <code>InputStream</code> from which the library can be read.
511:             * 
512:             * @exception Exception if the library can not be located.
513:             */
514:            /*--------------------------------------------------------------------------*/
515:            private InputStream openInputStream(String name,
516:                    NativeLibraryClient client) throws Exception {
517:                Class clientClass = client.getClass();
518:                // ----------------------------------------------------
519:                // try to open an input stream, assuming the library
520:                // is located with the client
521:                // ----------------------------------------------------
522:                InputStream input = clientClass.getResourceAsStream(name
523:                        + extension);
524:
525:                // ----------------------------------------------------
526:                // if this is not successful, try to load from the
527:                // location where all native libraries are supposed
528:                // to be located.
529:                // ----------------------------------------------------
530:                if (input == null) {
531:                    input = clientClass.getResourceAsStream('/'
532:                            + nativeDirectory + '/' + name + extension);
533:                }
534:
535:                // ----------------------------------------------------
536:                // if this fails as well, throw an exception
537:                // ----------------------------------------------------
538:                if (input == null) {
539:                    throw (new Exception("can't locate library"));
540:                } else {
541:                    return (input);
542:                }
543:            }
544:
545:            /*--------------------------------------------------------------------------*/
546:            /**
547:             * Builds a temporary file name for the native library.
548:             * 
549:             * @param name the file name of the library
550:             * 
551:             * @return a fully qualified file name that can be used to store the file on the local file
552:             * system.
553:             */
554:            /*--------------------------------------------------------------------------*/
555:            /*
556:             * $ @design
557:             * 
558:             * Avoid overwriting any existing files on the user's system. If by some remote chance a file by
559:             * the same name should exist on the user's system, modify the temporary file name until a
560:             * version is found that is unique on the system and thus won't interfere.
561:             * --------------------------------------------------------------------------
562:             */
563:            private String getTempFileName(String name) {
564:                StringBuffer fileName = new StringBuffer();
565:                String path = System.getProperty(TEMP_LOCATION_KEY);
566:                if (path.charAt(path.length() - 1) == File.separatorChar) {
567:                    path = path.substring(0, (path.length() - 1));
568:                }
569:                String modifier = "";
570:                int counter = 0;
571:                File file = null;
572:
573:                do {
574:                    fileName.delete(0, fileName.length());
575:                    fileName.append(path);
576:                    fileName.append(File.separatorChar);
577:                    fileName.append(name);
578:                    fileName.append(modifier);
579:                    fileName.append(extension);
580:
581:                    modifier = Integer.toString(counter);
582:                    counter++;
583:
584:                    file = new File(fileName.toString());
585:                } while (file.exists());
586:
587:                return (fileName.toString());
588:            }
589:
590:            /*--------------------------------------------------------------------------*/
591:            /**
592:             * Sets the directory where <code>Librarian</code> will search for native files. Directories
593:             * are denoted relative to the root, where the root is the same location where the top level
594:             * Java package directory is located (usually called <code>com</code>). The default directory
595:             * is <code>native</code>.
596:             * 
597:             * @param directory the directory where native files are located.
598:             */
599:            /*--------------------------------------------------------------------------*/
600:            public void setNativeDirectory(String directory) {
601:                if (directory == null) {
602:                    nativeDirectory = "";
603:                } else {
604:                    nativeDirectory = directory;
605:                }
606:            }
607:
608:            /*--------------------------------------------------------------------------*/
609:            /**
610:             * This method attempts to remove all native libraries that have been temporarily created from
611:             * the system.
612:             * The used method for clean up depends on the VM version.
613:             * If the ersion is 1.5.x or higher this process should be exit in one second, else
614:             * the native libraries will be not deleted.
615:             * Tests with the different methods produces hinds that the
616:             * FreeLibraryAndExitThread (handle, 0) call in the dlls are the 
617:             * reason for VM crashes (version 1.5.x). May be this is a bug in the VM.
618:             * But never seen a docu that this behavior is compatible with a VM.
619:             * Since more than a year all 1.5 versions produce this crash. Therfore we make
620:             * now a work around for it.
621:             * But the idea to exit the thread for removing the file locking to give the
622:             * possibility to delete the dlls are really nice. Therefore we use it with
623:             * VMs which are compatible with it.  (Klaus Bartz 2006.06.20)
624:             */
625:            /*--------------------------------------------------------------------------*/
626:            public void cleanUp() {
627:                if (JAVA_SPECIFICATION_VERSION < 1.5)
628:                    oldCleanUp();
629:                else
630:                    newCleanUp();
631:
632:            }
633:
634:            /*--------------------------------------------------------------------------*/
635:            /**
636:             * This method attempts to remove all native libraries that have been temporarily created from
637:             * the system.
638:             * This method will be invoked if the VM has version 1.4.x or less. Version 1.5.x or higher
639:             * uses newCleanUp.
640:             * This method starts a new thread which calls a method in the dll which should unload the
641:             * dll. The thread never returns. 
642:             */
643:            /*--------------------------------------------------------------------------*/
644:            private void oldCleanUp() {
645:                for (int i = 0; i < clients.size(); i++) {
646:                    // --------------------------------------------------
647:                    // free the library
648:                    // --------------------------------------------------
649:                    NativeLibraryClient client = clients.elementAt(i);
650:                    String libraryName = libraryNames.elementAt(i);
651:
652:                    FreeThread free = new FreeThread(libraryName, client);
653:                    free.start();
654:                    try {
655:                        // give the thread some time to get the library
656:                        // freed before attempting to delete it.
657:                        free.join(50);
658:                    } catch (Throwable exception) {
659:                    } // nothing I can do
660:
661:                    // --------------------------------------------------
662:                    // delete the library
663:                    // --------------------------------------------------
664:                    String tempFileName = temporaryFileNames.elementAt(i);
665:                    try {
666:                        File file = new File(tempFileName);
667:                        file.delete();
668:                    } catch (Throwable exception) {
669:                    } // nothing I can do
670:                }
671:            }
672:
673:            /*--------------------------------------------------------------------------*/
674:            /**
675:             * This method attempts to remove all native libraries that have been temporarily created from
676:             * the system. This method will be invoked if the VM has version 1.5.x or higher. Version 1.4.x
677:             * or less uses oldCleanUp. This method calls LibraryRemover which starts a new process which
678:             * waits a little bit for exit of this process and tries than to delete the given files.
679:             */
680:            /*--------------------------------------------------------------------------*/
681:            private void newCleanUp() {
682:                // This method will be used the SelfModifier stuff of uninstall 
683:                // instead of killing the thread in the dlls which provokes a 
684:                // segmentation violation with a 1.5 (also known as 5.0) VM.
685:
686:                try {
687:                    LibraryRemover.invoke(temporaryFileNames);
688:                } catch (IOException e1) {
689:                    // TODO Auto-generated catch block
690:                    e1.printStackTrace();
691:                }
692:
693:            }
694:        }
695:        /*---------------------------------------------------------------------------*/
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