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diff --git a/javainstaller2/src/JavaSetup/org/openoffice/setup/Util/InstallChangeCtrl.java b/javainstaller2/src/JavaSetup/org/openoffice/setup/Util/InstallChangeCtrl.java
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: InstallChangeCtrl.java,v $
+ * $Revision: 1.5 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+package org.openoffice.setup.Util;
+
+import org.openoffice.setup.InstallData;
+import org.openoffice.setup.Installer.Installer;
+import org.openoffice.setup.Installer.InstallerFactory;
+import org.openoffice.setup.Panel.ChooseDirectory;
+import org.openoffice.setup.ResourceManager;
+import org.openoffice.setup.SetupData.PackageDescription;
+import org.openoffice.setup.SetupData.SetupDataProvider;
+import java.util.Enumeration;
+
+
+public class InstallChangeCtrl {
+
+    private InstallChangeCtrl() {
+    }
+
+    static private void setUpdatePackage(PackageDescription packageData, InstallData installData) {
+        if (( packageData.isUpdatePackage() == true )) {
+            installData.setUpdatePackage(packageData);
+        } else {
+            for (Enumeration e = packageData.children(); e.hasMoreElements(); ) {
+                PackageDescription child = (PackageDescription) e.nextElement();
+                setUpdatePackage(child, installData);
+            }
+        }
+    }
+
+    static private void setChangeInstallDir(InstallData installData, Installer installer) {
+        // setting the new install dir after analyzing the installation directory
+        // of the installed update package.
+        if ( installData.isRootInstallation() ) {
+            String changeInstallDir = "/";
+            installData.setInstallDir(changeInstallDir);
+        } else {
+            String changeInstallDir = installer.getChangeInstallDir(installData.getUpdatePackage());
+            installData.setInstallDir(changeInstallDir);
+        }
+    }
+
+    // static public void checkInstallChange(InstallData data, ChooseDirectory panel) {
+    static public void checkInstallChange(InstallData data) {
+
+        Installer installer = InstallerFactory.getInstance();
+        PackageDescription packageData = SetupDataProvider.getPackageDescription();
+
+        if ( data.getUpdatePackage() == null ) {
+            setUpdatePackage(packageData, data);
+        }
+
+        if ( data.getUpdatePackage() != null ) {
+
+            // resetting values, if database was changed during user installation
+            data.setOlderVersionExists(false);
+            data.setNewerVersionExists(false);
+            data.setSameVersionExists(false);
+
+            boolean packageIsInstalled = installer.isPackageInstalled(data.getUpdatePackage(), data);
+            if ( packageIsInstalled ) {
+
+                // Checking version of installed package:
+                // If installed package is older: Force update mode, no selection of packages
+                // If installed package is equal: Force maintenance mode, only selection of packages
+                // If installed package is newer: Abort installation with message
+
+                // Setting specific values for the different update scenarios
+                if ( installer.isInstalledPackageOlder(data.getUpdatePackage(), data) ) {
+                    data.setOlderVersionExists(true);
+                    // All installed packages will be updated -> determining which packages are installed
+                    System.err.println("An older product is installed");
+                    // But if this is a kind of Major Upgrade with different Minor and therefore different package names,
+                    // it is necessary to remove the old product.
+                    if ( data.getProductMinor() > data.getInstalledProductMinor() )
+                    {
+                        data.setMajorUpgrade(true);
+                        System.err.println("Major Upgrade");
+                    }
+                } else if ( installer.isInstallSetPackageOlder(data.getUpdatePackage(), data) ) {
+                    data.setNewerVersionExists(true);
+                    System.err.println("A newer product is installed");
+                } else {
+                    data.setSameVersionExists(true);
+                    System.err.println("Same product is installed");
+                }
+
+                // If installed package is older or equal, the installdir has to be fixed
+                // if this is a root installation
+                if ( data.isRootInstallation() ) {
+                    setChangeInstallDir(data, installer);
+                    data.setIsChangeInstallation(true);
+                }
+
+                // Exit installation, if update is not wanted and this is a root installation.
+                // In installations without root privileges, the user can choose another installation
+                // directory (ChooseDirectoryCtrl.java).
+                if ( data.isRootInstallation() && data.dontUpdate() && data.olderVersionExists() ) {
+                    System.err.println("Error: An older version is already installed in directory " + data.getInstallDir() + "!");
+                    String message1 = ResourceManager.getString("String_Older_Version_Installed_Found")
+                                    + "\n" + data.getInstallDir() + "\n";
+                    String message2 = ResourceManager.getString("String_Older_Version_Installed_Remove");
+                    String message = message1 + "\n" + message2;
+                    String title = ResourceManager.getString("String_Error");
+                    Informer.showErrorMessage(message, title);
+                    System.exit(1);
+                }
+            }
+        }
+    }
+
+}