/*

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

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  * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.

  *

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  * General Public License Version 2 only ("GPL") or the Common

  * Development and Distribution License("CDDL") (collectively, the

  * "License"). You may not use this file except in compliance with the

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  * http://www.netbeans.org/cddl-gplv2.html

  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

  * specific language governing permissions and limitations under the

  * License.  When distributing the software, include this License Header

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  * particular file as subject to the "Classpath" exception as provided

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  * accompanied this code. If applicable, add the following below the

  * License Header, with the fields enclosed by brackets [] replaced by

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  *

  * The Original Software is NetBeans. The Initial Developer of the Original

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  * If you wish your version of this file to be governed by only the CDDL

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  * However, if you add GPL Version 2 code and therefore, elected the GPL

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 package org.netbeans.modules.versioning.system.cvss;

 import org.openide.ErrorManager;

 import org.openide.xml.XMLUtil;

 import org.openide.filesystems.FileLock;

 import org.openide.filesystems.FileObject;

 import org.openide.modules.ModuleInstall;

 import org.openide.util.RequestProcessor;

 import org.openide.util.NbBundle;

 import org.w3c.dom.*;

 import org.xml.sax.*;

 import javax.xml.parsers.DocumentBuilderFactory;

 import javax.xml.parsers.DocumentBuilder;

 import javax.xml.parsers.ParserConfigurationException;

 import javax.swing.*;

 import java.io.OutputStream;

 import java.io.InputStream;

 import java.io.IOException;

 import java.io.ByteArrayInputStream;

 import org.openide.filesystems.FileUtil;

 /**

  * Handles module events distributed by NetBeans module

  * framework.

  *

  * <p>It's registered and instantiated from module manifest.

  *

  * @author Petr Kuzel

  * @author Maros Sandor

  */

 public final class ModuleLifecycleManager extends ModuleInstall implements ErrorHandler, EntityResolver {

     static final String [] vcsGenericModules = {

         "org.netbeans.modules.vcs.advanced", // NOI18N

         "org.netbeans.modules.vcs.profiles.cvsprofiles", // NOI18N

         "org.netbeans.modules.vcs.profiles.vss", // NOI18N

         "org.netbeans.modules.vcs.profiles.pvcs", // NOI18N

         "org.netbeans.modules.vcs.profiles.subversion", // NOI18N

         "org.netbeans.modules.vcs.profiles.teamware" // NOI18N

     };

     public void restored() {

         disableOldModules();

     }

     private void disableOldModules() {

         Runnable runnable = new Runnable() {

             public void run() {

                 boolean notified = false;

                 outter: for (int i = 0; i < vcsGenericModules.length; i++) {

                     FileLock lock = null;

                     OutputStream os = null;

                     try {

                         String newModule = vcsGenericModules[i];

                         String newModuleXML = "Modules/" + newModule.replace('.', '-') + ".xml"; // NOI18N

                         FileObject fo = FileUtil.getConfigFile(newModuleXML);

                         if (fo == null) continue;

                         Document document = readModuleDocument(fo);

                         NodeList list = document.getDocumentElement().getElementsByTagName("param"); // NOI18N

                         int n = list.getLength();

                         for (int j = 0; j < n; j++) {

                             Element node = (Element) list.item(j);

                             if ("enabled".equals(node.getAttribute("name"))) { // NOI18N

                                 Text text = (Text) node.getChildNodes().item(0);

                                 String value = text.getNodeValue();

                                 if ("true".equals(value)) { // NOI18N

                                     text.setNodeValue("false"); // NOI18N

                                     break;

                                 } else {

                                     continue outter;

                                 }

                             }

                         }

                         if (!notified) {

                             JOptionPane.showMessageDialog(null, 

                                                           NbBundle.getBundle(ModuleLifecycleManager.class).getString("MSG_Install_Warning"), 

                                                           NbBundle.getBundle(ModuleLifecycleManager.class).getString("MSG_Install_Warning_Title"), 

                                                           JOptionPane.WARNING_MESSAGE);

                             notified = true;

                         }

                         lock = fo.lock();

                         os = fo.getOutputStream(lock);

                         XMLUtil.write(document, os, "UTF-8"); // NOI18N

                     } catch (Exception e) {

                         ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);

                     } finally {

                         if (os != null) try { os.close(); } catch (IOException ex) {}

                         if (lock != null) lock.releaseLock();

                     }

                 }

             }

         };

         RequestProcessor.getDefault().post(runnable);

     }

     private Document readModuleDocument(FileObject fo) throws ParserConfigurationException, SAXException, IOException {

         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

         dbf.setValidating(false);

         DocumentBuilder parser = dbf.newDocumentBuilder();

         parser.setEntityResolver(this);

         parser.setErrorHandler(this);

         InputStream is = fo.getInputStream();

         Document document = parser.parse(is);

         is.close();

         return document;

     }

     public void uninstalled() {

         CvsVersioningSystem.getInstance().shutdown();

     }

     public InputSource resolveEntity(String publicId, String systemId) {

         return new InputSource(new ByteArrayInputStream(new byte[0]));

     }

     public void error(SAXParseException exception) {

         ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, exception);

     }

     public void fatalError(SAXParseException exception) {

         ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, exception);

     }

     public void warning(SAXParseException exception) {

         ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, exception);

     }

 }