/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.quicksetup;
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import org.opends.messages.Message;
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import org.opends.messages.MessageBuilder;
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import static org.opends.messages.QuickSetupMessages.*;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.opends.quicksetup.util.Utils;
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/**
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* This class is used to know which is the status of the install. This class is
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* not used when we install Open DS using java web start. However it is required
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* when do an offline installation after the user has unzipped the zip file. The
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* main goal of the class is to help identifying whether there is already
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* something installed or not.
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*
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* This class assumes that we are running in the case of an offline install.
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*/
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public class CurrentInstallStatus
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{
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static private final Logger LOG =
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Logger.getLogger(CurrentInstallStatus.class.getName());
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private boolean isInstalled;
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private boolean canOverwriteCurrentInstall;
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private Message installationMsg;
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/**
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* The constructor of a CurrentInstallStatus object.
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*
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*/
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public CurrentInstallStatus()
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{
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if (Utils.isWebStart())
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{
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isInstalled = false;
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} else
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{
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Installation installation = Installation.getLocal();
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boolean dbFileExists = false;
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ArrayList<Message> msgs = new ArrayList<Message>();
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if (installation.getStatus().isServerRunning())
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{
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msgs.add(INFO_INSTALLSTATUS_SERVERRUNNING.get(
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String.valueOf(getPort())));
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}
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if (dbFilesExist())
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{
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dbFileExists = true;
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msgs.add(INFO_INSTALLSTATUS_DBFILEEXIST.get());
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}
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if (isConfigFileModified())
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{
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msgs.add(INFO_INSTALLSTATUS_CONFIGFILEMODIFIED.get());
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}
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canOverwriteCurrentInstall = (msgs.size() == 1) && dbFileExists;
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isInstalled = msgs.size() > 0;
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if (canOverwriteCurrentInstall)
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{
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installationMsg =
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INFO_INSTALLSTATUS_CANOVERWRITECURRENTINSTALL_MSG.get();
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}
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else if (isInstalled)
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{
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MessageBuilder buf = new MessageBuilder();
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buf.append("<ul>");
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for (Message msg : msgs)
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{
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buf.append("\n<li>");
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buf.append(msg);
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buf.append("</li>");
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}
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buf.append("</ul>");
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installationMsg = INFO_INSTALLSTATUS_INSTALLED.get( buf.toString() );
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}
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}
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if (!isInstalled)
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{
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installationMsg = INFO_INSTALLSTATUS_NOT_INSTALLED.get();
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}
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}
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/**
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* Indicates whether there is something installed or not.
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*
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* @return <CODE>true</CODE> if there is something installed under the
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* binaries that we are running, or <CODE>false</CODE> if not.
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*/
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public boolean isInstalled()
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{
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return isInstalled;
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}
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/**
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* Indicates can overwrite current install.
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*
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* @return <CODE>true</CODE> if there is something installed under the
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* binaries that we are running and we can overwrite it and
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* <CODE>false</CODE> if not.
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*/
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public boolean canOverwriteCurrentInstall()
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{
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return canOverwriteCurrentInstall;
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}
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/**
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* Provides a localized message to be displayed to the user in HTML format
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* informing of the installation status.
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*
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* @return an String in HTML format describing the status of the installation.
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*/
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public Message getInstallationMsg()
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{
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return installationMsg;
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}
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private int getPort()
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{
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int port = -1;
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try {
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port = Installation.getLocal().getCurrentConfiguration().
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getPort();
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} catch (IOException ioe) {
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LOG.log(Level.INFO, "Failed to get port", ioe);
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}
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return port;
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}
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/**
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* Indicates whether there are database files under this installation.
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*
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* @return <CODE>true</CODE> if there are database files, or
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* <CODE>false</CODE> if not.
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*/
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private boolean dbFilesExist()
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{
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boolean dbFilesExist = false;
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File dbDir = Installation.getLocal().getDatabasesDirectory();
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File[] children = dbDir.listFiles();
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if ((children != null) && (children.length > 0))
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{
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dbFilesExist = true;
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}
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return dbFilesExist;
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}
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/**
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* Indicates whether the config.ldif file has been modified (compared to what
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* we had in the zip file). This is used to know if we have configured the
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* current binaries or not.
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*
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* @return <CODE>true</CODE> if the config.ldif file has been modified, or
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* <CODE>false</CODE> if not.
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*/
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private boolean isConfigFileModified()
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{
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boolean mod = false;
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try {
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mod = Installation.getLocal().getCurrentConfiguration()
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.hasBeenModified();
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} catch (IOException ioe) {
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LOG.log(Level.INFO, "failed to determine if config modified", ioe);
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}
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return mod;
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}
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}
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