/*
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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 Sun Microsystems, Inc.
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*/
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package org.opends.quicksetup;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import javax.naming.NamingException;
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import org.opends.quicksetup.i18n.ResourceProvider;
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import org.opends.quicksetup.installer.offline.OfflineInstaller;
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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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private boolean isInstalled;
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private String installationMsg;
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private String configFileContents;
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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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ArrayList<String> msgs = new ArrayList<String>();
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if (isServerRunning())
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{
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if (isConfigFileModified() || (getPort() != 389))
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{
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/*
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* If the config file is not modified and the port is 389 the common
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* case is that there is already a server running on the default port,
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* so it does not correspond to this install.
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*/
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msgs.add(getMsg("installstatus-serverrunning", new String[]
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{ String.valueOf(getPort()) }));
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}
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}
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if (dbFilesExist())
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{
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msgs.add(getMsg("installstatus-dbfileexist"));
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}
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if (isConfigFileModified())
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{
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msgs.add(getMsg("installstatus-configfilemodified"));
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}
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isInstalled = msgs.size() > 0;
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if (isInstalled)
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{
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StringBuffer buf = new StringBuffer();
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buf.append("<ul>");
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for (String msg : msgs)
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{
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buf.append("\n<li>").append(msg).append("</li>");
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}
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buf.append("</ul>");
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installationMsg = getMsg("installstatus-installed", new String[]
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{ 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 = getMsg("installstatus-not-installed");
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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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* 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 String getInstallationMsg()
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{
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return installationMsg;
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}
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/**
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* Provides the config file path (path to config.ldif file).
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*
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* @return the config file path.
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*/
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private String getConfigFilePath()
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{
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return OfflineInstaller.CONFIG_FILE_NAME;
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}
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/**
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* Provides the LDAP port as is specified in the config.ldif file.
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*
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* @return the LDAP port specified in the config.ldif file.
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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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int index = getConfigFileContents().indexOf("cn=ldap connection handler");
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if (index != -1)
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{
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String portAttr = "ds-cfg-listen-port:";
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int index1 = getConfigFileContents().indexOf(portAttr, index);
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if (index1 != -1)
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{
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int index2 =
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getConfigFileContents().indexOf(
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System.getProperty("line.separator"), index1);
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if (index2 != -1)
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{
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String sPort =
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getConfigFileContents().substring(portAttr.length() + index1,
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index2).trim();
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try
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{
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port = Integer.parseInt(sPort);
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} catch (NumberFormatException nfe)
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{
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}
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}
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}
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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 is the server is running in the localhost on the
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* LDAP port specified in config.ldif file.
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*
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* @return <CODE>true</CODE> if the server is running, or <CODE>false</CODE>
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* if not.
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*/
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private boolean isServerRunning()
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{
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boolean isServerRunning = false;
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int port = getPort();
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if (port > 0)
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{
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String ldapURL = "ldap://localhost:" + port;
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try
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{
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Utils.createLdapContext(ldapURL, null, null, 3000, null);
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isServerRunning = true;
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} catch (NamingException ne)
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{
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}
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}
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return isServerRunning;
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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 = new File(OfflineInstaller.FULL_INSTALL_PATH, "db");
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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 isConfigFileModified = getPort() != 389;
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if (!isConfigFileModified)
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{
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// TODO: this is not really stable
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isConfigFileModified =
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getConfigFileContents().indexOf("# cddl header start") == -1;
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}
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return isConfigFileModified;
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}
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/**
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* Provides the contents of the config.ldif file in a String.
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*
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* @return a String representing the contents of the config.ldif file.
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*/
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private String getConfigFileContents()
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{
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if (configFileContents == null)
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{
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StringBuffer buf = new StringBuffer();
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try
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{
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BufferedReader in =
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new BufferedReader(new FileReader(getConfigFilePath()));
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String line;
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// We do not care about encoding: we are just interested in the ports
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while ((line = in.readLine()) != null)
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{
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buf.append(line + System.getProperty("line.separator"));
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}
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configFileContents = buf.toString().toLowerCase();
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} catch (IOException ioe)
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{
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}
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}
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return configFileContents;
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}
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/**
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* The following three methods are just commodity methods to get localized
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* messages.
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*/
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private String getMsg(String key)
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{
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return getI18n().getMsg(key);
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}
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private String getMsg(String key, String[] args)
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{
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return getI18n().getMsg(key, args);
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}
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private ResourceProvider getI18n()
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{
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return ResourceProvider.getInstance();
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}
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}
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