org.filesys.app.XMLServerConfiguration Maven / Gradle / Ivy
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/*
* Copyright (C) 2006-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see
* XML implementation of the SMB server configuration. Save/load the server configuration to an XML
* format file using the DOM API.
*
* @author gkspencer
*/
public class XMLServerConfiguration extends SMBOnlyXMLServerConfiguration {
// Constants
//
// Default FTP server port and anonymous account name
private static final int DEFAULT_FTP_PORT = 21;
private static final String ANONYMOUS_FTP_ACCOUNT = "anonymous";
// Global server enable flags
private boolean m_smbEnabled;
private boolean m_ftpEnabled;
private boolean m_nfsEnabled;
/**
* Default constructor
*/
public XMLServerConfiguration() {
super();
}
/**
* Load the configuration from the specified document
*
* @param doc Document
* @exception IOException Error reading the document
* @exception InvalidConfigurationException Error parsing the configuration
*/
public void loadConfiguration(Document doc)
throws IOException, InvalidConfigurationException {
// Reset the current configuration to the default settings
removeAllConfigSections();
// Parse the XML configuration document
try {
// Access the root of the XML document, get a list of the child nodes
Element root = doc.getDocumentElement();
NodeList childNodes = root.getChildNodes();
// Process the cluster settings element
procClusterElement(findChildNode("cluster", childNodes));
// Process the debug settings element
procDebugElement(findChildNode("debug", childNodes));
// Process the audit configuration section, if available
procAuditElement( findChildNode( "audit", childNodes));
// Process the main server enable element
procServersElement(findChildNode("servers", childNodes));
// Process the core server configuration settings
procServerCoreElement(findChildNode("server-core", childNodes));
// Process the global configuration settings
procGlobalElement(findChildNode("global", childNodes));
// Process the security element
procSecurityElement(findChildNode("security", childNodes));
// Process the shares element
procSharesElement(findChildNode("shares", childNodes));
// Process the SMB server specific settings
if ( isSMBServerEnabled())
procSMBServerElement(findChildNode("SMB", childNodes));
// Process the FTP server configuration
if ( isFTPServerEnabled())
procFTPServerElement(findChildNode("FTP", childNodes));
// Process the NFS server configuration
if ( isNFSServerEnabled())
procNFSServerElement(findChildNode("NFS", childNodes));
// Process any extension sections that may have been added to the configuration
procExtensions( childNodes);
}
catch (Exception ex) {
// Rethrow the exception as a configuration exeception
throw new InvalidConfigurationException("XML error", ex);
}
}
/**
* Check if the SMB server is enabled
*
* @return boolean
*/
public final boolean isSMBServerEnabled() {
return m_smbEnabled;
}
/**
* Check if the FTP server is enabled
*
* @return boolean
*/
public final boolean isFTPServerEnabled() {
return m_ftpEnabled;
}
/**
* Check if the NFS server is enabled
*
* @return boolean
*/
public final boolean isNFSServerEnabled() {
return m_nfsEnabled;
}
/**
* Process the servers XML element
*
* @param servers Element
* @exception InvalidConfigurationException Error parsing the configuration
*/
protected final void procServersElement(Element servers)
throws InvalidConfigurationException {
// Check if the servers element has been specified, if not then this is an old format
// configuration
if ( servers != null) {
// Check if the SMB server is enabled
Element srvElem = findChildNode("SMB", servers.getChildNodes());
if ( srvElem != null) {
String srvEnableStr = getAttributeWithEnvVars( srvElem, "enable");
if ( srvEnableStr != null)
m_smbEnabled = Boolean.parseBoolean( srvEnableStr);
else
m_smbEnabled = true;
}
else {
// No 'SMB' element, server not enabled
m_smbEnabled = false;
}
// Check if the FTP server is enabled
srvElem = findChildNode("FTP", servers.getChildNodes());
if ( srvElem != null) {
String srvEnableStr = getAttributeWithEnvVars( srvElem, "enable");
if ( srvEnableStr != null)
m_ftpEnabled = Boolean.parseBoolean( srvEnableStr);
else
m_ftpEnabled = true;
}
else {
// No 'FTP' element, server not enabled
m_ftpEnabled = false;
}
// Check if the NFS server is enabled
srvElem = findChildNode("NFS", servers.getChildNodes());
if ( srvElem != null) {
String srvEnableStr = getAttributeWithEnvVars( srvElem, "enable");
if ( srvEnableStr != null)
m_nfsEnabled = Boolean.parseBoolean( srvEnableStr);
else
m_nfsEnabled = true;
}
else {
// No 'NFS' element, server not enabled
m_nfsEnabled = false;
}
}
}
/**
* Process the FTP server XML element
*
* @param ftp Element
* @exception InvalidConfigurationException Error parsing the configuration
*/
protected final void procFTPServerElement(Element ftp)
throws InvalidConfigurationException {
// Check if the FTP element is valid, if not then disable the FTP server
if ( ftp == null) {
// Check if the FTP server is enabled, if so then there must be an FTP configuration
// section
if ( isFTPServerEnabled())
throw new InvalidConfigurationException("FTP server enabled, but not configured");
return;
}
// Create the FTP server configuration section
FTPConfigSection ftpConfig = new FTPConfigSection(this);
// Check for a bind address
Element elem = findChildNode("bindto", ftp.getChildNodes());
if ( elem != null) {
// Check if the network adapter name has been specified
if ( elem.hasAttribute("adapter")) {
// Get the IP address for the adapter
InetAddress bindAddr = parseAdapterName(elem.getAttribute("adapter"));
// Set the bind address for the server
ftpConfig.setFTPBindAddress(bindAddr);
}
else {
// Validate the bind address
String bindText = getText(elem);
try {
// Check the bind address
InetAddress bindAddr = InetAddress.getByName(bindText);
// Set the bind address for the FTP server
ftpConfig.setFTPBindAddress(bindAddr);
}
catch (UnknownHostException ex) {
throw new InvalidConfigurationException(ex.toString());
}
}
}
// Check for an FTP server port
elem = findChildNode("port", ftp.getChildNodes());
if ( elem != null) {
try {
ftpConfig.setFTPPort(Integer.parseInt(getTextWithEnvVars(elem)));
if ( ftpConfig.getFTPPort() <= 0 || ftpConfig.getFTPPort() >= 65535)
throw new InvalidConfigurationException("FTP server port out of valid range");
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid FTP server port");
}
}
else {
// Use the default FTP port
ftpConfig.setFTPPort(DEFAULT_FTP_PORT);
}
// Check if anonymous login is allowed
elem = findChildNode("allowAnonymous", ftp.getChildNodes());
if ( elem != null) {
// Enable anonymous login to the FTP server
ftpConfig.setAllowAnonymousFTP(true);
// Check if an anonymous account has been specified
String anonAcc = elem.getAttribute("user");
if ( anonAcc != null && anonAcc.length() > 0) {
// Set the anonymous account name
ftpConfig.setAnonymousFTPAccount(anonAcc);
// Check if the anonymous account name is valid
if ( ftpConfig.getAnonymousFTPAccount() == null || ftpConfig.getAnonymousFTPAccount().length() == 0)
throw new InvalidConfigurationException("Anonymous FTP account invalid");
}
else {
// Use the default anonymous account name
ftpConfig.setAnonymousFTPAccount(ANONYMOUS_FTP_ACCOUNT);
}
}
else {
// Disable anonymous logins
ftpConfig.setAllowAnonymousFTP(false);
}
// Check if a root path has been specified
elem = findChildNode("rootDirectory", ftp.getChildNodes());
if ( elem != null) {
// Get the root path
String rootPath = getText(elem);
// Validate the root path
try {
// Parse the path
new FTPPath(rootPath);
// Set the root path
ftpConfig.setFTPRootPath(rootPath);
}
catch (InvalidPathException ex) {
throw new InvalidConfigurationException("Invalid FTP root directory, " + rootPath);
}
}
// Check if a data port range has been specified
elem = findChildNode("dataPorts", ftp.getChildNodes());
if ( elem != null) {
// Check for the from port range value
int rangeFrom = -1;
int rangeTo = -1;
String rangeStr = elem.getAttribute("rangeFrom");
if ( rangeStr != null && rangeStr.length() > 0) {
// Validate the range string
try {
rangeFrom = Integer.parseInt(rangeStr);
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid FTP rangeFrom value, " + rangeStr);
}
}
// Check for the to port range value
rangeStr = elem.getAttribute("rangeTo");
if ( rangeStr != null && rangeStr.length() > 0) {
// Validate the range string
try {
rangeTo = Integer.parseInt(rangeStr);
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid FTP rangeTo value, " + rangeStr);
}
}
// Validate the data port range values
if ( rangeFrom == -1 || rangeTo == -1)
throw new InvalidConfigurationException("FTP data port range from/to must be specified");
if ( rangeFrom < 1024 || rangeFrom > 65535)
throw new InvalidConfigurationException("Invalid FTP data port rangeFrom value, " + rangeFrom);
if ( rangeTo < 1024 || rangeTo > 65535)
throw new InvalidConfigurationException("Invalid FTP data port rangeTo value, " + rangeTo);
if ( rangeFrom >= rangeTo)
throw new InvalidConfigurationException("Invalid FTP data port range, " + rangeFrom + "-" + rangeTo);
// Set the FTP data port range
ftpConfig.setFTPDataPortLow(rangeFrom);
ftpConfig.setFTPDataPortHigh(rangeTo);
}
// Check if FTP debug is enabled
elem = findChildNode("debug", ftp.getChildNodes());
if ( elem != null) {
// Check for FTP debug flags
String flags = elem.getAttribute("flags");
EnumSet ftpDbg = EnumSet.noneOf( FTPSrvSession.Dbg.class);
if ( flags != null) {
// Parse the flags
flags = flags.toUpperCase();
StringTokenizer token = new StringTokenizer(flags, ",");
while (token.hasMoreTokens()) {
// Get the current debug flag token
String dbg = token.nextToken().trim();
// Convert the debug flag name to an enum value
try {
ftpDbg.add(FTPSrvSession.Dbg.valueOf(dbg));
}
catch ( IllegalArgumentException ex) {
throw new InvalidConfigurationException("Invalid FTP debug flag, " + dbg);
}
}
}
// Set the FTP debug flags
ftpConfig.setFTPDebug(ftpDbg);
}
// Check if a site interface has been specified
elem = findChildNode("siteInterface", ftp.getChildNodes());
if ( elem != null) {
// Get the site interface class name
Element classElem = findChildNode("class", elem.getChildNodes());
if ( classElem == null)
throw new InvalidConfigurationException("Class not specified for FTP site interface");
String siteClass = getText(classElem);
// Validate the site interface class
try {
// Load the driver class
Object siteObj = Class.forName(siteClass).newInstance();
if ( siteObj instanceof FTPSiteInterface) {
// Initialize the site interface
ConfigElement params = buildConfigElement(elem);
FTPSiteInterface ftpSiteInterface = (FTPSiteInterface) siteObj;
ftpSiteInterface.initializeSiteInterface(this, params);
// Set the site interface
ftpConfig.setFTPSiteInterface(ftpSiteInterface);
}
}
catch (ClassNotFoundException ex) {
throw new InvalidConfigurationException("FTP site interface class " + siteClass + " not found");
}
catch (Exception ex) {
throw new InvalidConfigurationException("FTP site interface setup error, " + ex.toString());
}
}
// Check if an authenticator has been specified
elem = findChildNode("authenticator", ftp.getChildNodes());
if ( elem != null) {
// Get the FTP authenticator class
Element classElem = findChildNode("class", elem.getChildNodes());
if ( classElem == null)
throw new InvalidConfigurationException("FTP Authenticator class not specified");
// Get the parameters for the FTP authenticator class
ConfigElement params = buildConfigElement(elem);
ftpConfig.setAuthenticator(getText(classElem), params);
}
// FTPS parameter parsing
//
// Check if a key store path has been specified
elem = findChildNode("keyStore", ftp.getChildNodes());
if ( elem != null) {
// Get the path to the key store, check that the file exists
String keyStorePath = getText( elem);
File keyStoreFile = new File( keyStorePath);
if ( keyStoreFile.exists() == false)
throw new InvalidConfigurationException("FTPS key store file does not exist, " + keyStorePath);
else if ( keyStoreFile.isDirectory())
throw new InvalidConfigurationException("FTPS key store path is a directory, " + keyStorePath);
// Set the key store path
ftpConfig.setKeyStorePath( keyStorePath);
}
// Check if a key store type has been specified
elem = findChildNode("keyStoreType", ftp.getChildNodes());
if ( elem != null) {
// Get the key store type, and validate
String keyStoreType = getText( elem);
if ( keyStoreType == null || keyStoreType.length() == 0)
throw new InvalidConfigurationException("FTPS key store type is invalid");
try {
KeyStore.getInstance( keyStoreType);
}
catch ( KeyStoreException ex) {
throw new InvalidConfigurationException("FTPS key store type is invalid, " + keyStoreType, ex);
}
// Set the key store type
ftpConfig.setKeyStoreType( keyStoreType);
}
// Check if the key store passphrase has been specified
elem = findChildNode("keyStorePassphrase", ftp.getChildNodes());
if ( elem != null) {
// Set the key store passphrase
ftpConfig.setKeyStorePassphrase( getText( elem));
}
// Check if the trust store path has been specified
elem = findChildNode("trustStore", ftp.getChildNodes());
if ( elem != null) {
// Get the path to the trust store, check that the file exists
String trustStorePath = getText( elem);
File trustStoreFile = new File( trustStorePath);
if ( trustStoreFile.exists() == false)
throw new InvalidConfigurationException("FTPS trust store file does not exist, " + trustStorePath);
else if ( trustStoreFile.isDirectory())
throw new InvalidConfigurationException("FTPS trust store path is a directory, " + trustStorePath);
// Set the trust store path
ftpConfig.setTrustStorePath( trustStorePath);
}
// Check if a trust store type has been specified
elem = findChildNode("trustStoreType", ftp.getChildNodes());
if ( elem != null) {
// Get the trust store type, and validate
String trustStoreType = getText( elem);
if ( trustStoreType == null || trustStoreType.length() == 0)
throw new InvalidConfigurationException("FTPS trust store type is invalid");
try {
KeyStore.getInstance( trustStoreType);
}
catch ( KeyStoreException ex) {
throw new InvalidConfigurationException("FTPS trust store type is invalid, " + trustStoreType, ex);
}
// Set the trust store type
ftpConfig.setTrustStoreType( trustStoreType);
}
// Check if the trust store passphrase has been specified
elem = findChildNode("trustStorePassphrase", ftp.getChildNodes());
if ( elem != null) {
// Set the key store passphrase
ftpConfig.setTrustStorePassphrase( getText( elem));
}
// Check if only secure sessions should be allowed to logon
elem = findChildNode("requireSecureSession", ftp.getChildNodes());
if ( elem != null) {
// Only allow secure sessions to logon to the FTP server
ftpConfig.setRequireSecureSession( true);
}
// Check that all the required FTPS parameters have been set
if ( ftpConfig.getKeyStorePath() != null) {
// Make sure all parameters are set
if ( ftpConfig.getKeyStorePath() == null)
throw new InvalidConfigurationException("FTPS configuration requires keyStore to be set");
}
// Check if SSLEngine debug output should be enabled
elem = findChildNode("sslEngineDebug", ftp.getChildNodes());
if ( elem != null) {
// Enable SSLEngine debug output
System.setProperty("javax.net.debug", "ssl,handshake");
}
}
/**
* Process the NFS server XML element
*
* @param nfs Element
* @exception InvalidConfigurationException Error parsing the configuration
*/
protected final void procNFSServerElement(Element nfs)
throws InvalidConfigurationException {
// Check if the NFS element is valid
if ( nfs == null)
return;
// Create the NFS server configuration section
NFSConfigSection nfsConfig = new NFSConfigSection(this);
// Check if the port mapper is enabled
if ( findChildNode("enablePortMapper", nfs.getChildNodes()) != null)
nfsConfig.setNFSPortMapper(true);
// Check for a port mapper server port
Element elem = null;
if ( findChildNode("disablePortMapperRegistration", nfs.getChildNodes()) != null) {
// Disable port mapper registration for the mount/NFS servers
nfsConfig.setPortMapperPort( -1);
}
else {
elem = findChildNode("PortMapperPort", nfs.getChildNodes());
if ( elem != null) {
try {
nfsConfig.setPortMapperPort(Integer.parseInt(getText(elem)));
if ( nfsConfig.getPortMapperPort() <= 0 || nfsConfig.getPortMapperPort() >= 65535)
throw new InvalidConfigurationException("Port mapper server port out of valid range");
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid port mapper server port");
}
}
}
// Check for a mount server port
elem = findChildNode("MountServerPort", nfs.getChildNodes());
if ( elem != null) {
try {
nfsConfig.setMountServerPort(Integer.parseInt(getText(elem)));
if ( nfsConfig.getMountServerPort() <= 0 || nfsConfig.getMountServerPort() >= 65535)
throw new InvalidConfigurationException("Mount server port out of valid range");
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid mount server port");
}
}
// Check for an NFS server port
elem = findChildNode("NFSServerPort", nfs.getChildNodes());
if ( elem != null) {
try {
nfsConfig.setNFSServerPort(Integer.parseInt(getText(elem)));
if ( nfsConfig.getNFSServerPort() <= 0 || nfsConfig.getNFSServerPort() >= 65535)
throw new InvalidConfigurationException("NFS server port out of valid range");
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid NFS server port");
}
}
// Check for an RPC registration port
elem = findChildNode("RPCRegisterPort", nfs.getChildNodes());
if ( elem != null) {
try {
nfsConfig.setRPCRegistrationPort(Integer.parseInt(getText(elem)));
if ( nfsConfig.getRPCRegistrationPort() <= 0 || nfsConfig.getRPCRegistrationPort() >= 65535)
throw new InvalidConfigurationException("RPC registration port out of valid range");
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid RPC registration port");
}
}
// Check if an RPC authenticator has been specified
elem = findChildNode("rpcAuthenticator", nfs.getChildNodes());
if ( elem != null) {
// Get the RPC authenticator class
Element classElem = findChildNode("class", elem.getChildNodes());
if ( classElem == null)
throw new InvalidConfigurationException("RPC Authenticator class not specified");
// Get the parameters for the RPC authenticator class
ConfigElement params = buildConfigElement(elem);
nfsConfig.setRpcAuthenticator(getText(classElem), params);
}
else {
// Use the null RPC authenticator as the default
nfsConfig.setRpcAuthenticator( "org.filesys.oncrpc.DefaultRpcAuthenticator", new ConfigElementAdapter( "", ""));
}
// Check if NFS debug is enabled
elem = findChildNode("debug", nfs.getChildNodes());
if ( elem != null) {
// Check for NFS debug flags
String flags = elem.getAttribute("flags");
EnumSet nfsDbg = EnumSet.noneOf( NFSSrvSession.Dbg.class);
if ( flags != null) {
// Parse the flags
flags = flags.toUpperCase();
StringTokenizer token = new StringTokenizer(flags, ",");
while (token.hasMoreTokens()) {
// Get the current debug flag token
String dbg = token.nextToken().trim();
// Convert the debug flag name to an enum value
try {
nfsDbg.add(NFSSrvSession.Dbg.valueOf(dbg));
}
catch ( IllegalArgumentException ex) {
throw new InvalidConfigurationException("Invalid NFS debug flag, " + dbg);
}
}
}
// Set the NFS debug flags
nfsConfig.setNFSDebug(nfsDbg);
}
// Check if mount server debug output is enabled
elem = findChildNode("mountServerDebug", nfs.getChildNodes());
if ( elem != null)
nfsConfig.setMountServerDebug(true);
// Check if port mapper debug output is enabled
elem = findChildNode("portMapperDebug", nfs.getChildNodes());
if ( elem != null)
nfsConfig.setPortMapperDebug(true);
// Check if the file cache timers have been specified
elem = findChildNode("FileCache", nfs.getChildNodes());
if ( elem != null) {
try {
// Check for a single value or I/O and close timer values
String numVal = getText(elem);
long cacheIOTimer = -1;
long cacheCloseTimer = -1;
int pos = numVal.indexOf(':');
if ( pos == -1) {
// Only change the I/O timer
cacheIOTimer = Integer.parseInt(numVal);
}
else {
// Split the string value into read and write values, and convert to integers
String val = numVal.substring(0, pos);
cacheIOTimer = Integer.parseInt(val);
val = numVal.substring(pos + 1);
cacheCloseTimer = Integer.parseInt(val);
}
// Range check the I/O timer
if ( cacheIOTimer < 0 || cacheIOTimer > 30)
throw new InvalidConfigurationException("Invalid NFS file cache I/O timer value, " + cacheIOTimer);
else {
// Convert the timer to milliseconds
nfsConfig.setNFSFileCacheIOTimer(cacheIOTimer * 1000L);
}
// Range check the close timer, if specified
if ( cacheCloseTimer != -1) {
if ( cacheCloseTimer < 0 || cacheCloseTimer > 120)
throw new InvalidConfigurationException("Invalid NFS file cache close timer value, " + cacheCloseTimer);
else {
// Convert the timer to milliseconds
nfsConfig.setNFSFileCacheCloseTimer(cacheCloseTimer * 1000L);
}
}
}
catch (NumberFormatException ex) {
throw new InvalidConfigurationException("Invalid NFS file cache timer value, " + ex.toString());
}
}
// Check if NFS file cache debug output is enabled
if ( findChildNode("fileCacheDebug", nfs.getChildNodes()) != null)
nfsConfig.setNFSFileCacheDebug(true);
// Check if NIO based code should be disabled
if ( findChildNode( "disableNIO", nfs.getChildNodes()) != null)
nfsConfig.setDisableNIOCode( true);
}
/**
* Process the servers XML element
*
* @param cluster Element
* @exception InvalidConfigurationException Error parsing the configuration
*/
protected final void procClusterElement(Element cluster)
throws InvalidConfigurationException {
// Check if the cluster element has been specified
if ( cluster != null) {
// Check if the Hazelcast classes are available on the classpath
try {
// Check for various Hazelcast classes
Class.forName( "com.hazelcast.core.HazelcastInstance");
Class.forName( "com.hazelcast.map.IMap");
Class.forName( "com.hazelcast.topic.ITopic");
// Check for the cluster configuration section
Class.forName("org.filesys.server.filesys.cache.hazelcast.ClusterConfigSection");
}
catch ( ClassNotFoundException ex) {
throw new InvalidConfigurationException( "Hazelcast classes not found on the classpath, required for cluster support");
}
// Create the cluster configuration section
ClusterConfigSection clusterConfig = new ClusterConfigSection( this);
// Get the path to the HazelCast configuration file
Element elem = findChildNode("configFile", cluster.getChildNodes());
if ( elem != null) {
// Check that the configuration file exists, and is a file
String configPath = getText( elem);
try {
File confFile = new File( configPath);
if ( confFile.exists() == false)
throw new InvalidConfigurationException( "HazelCast configuration file does not exist, " + configPath);
if ( confFile.isDirectory())
throw new InvalidConfigurationException( "HazelCast configuration file is a folder path, " + configPath);
// Set the Hazelcast cluster configuration file location
clusterConfig.setConfigFile( configPath);
}
catch ( Exception ex) {
throw new InvalidConfigurationException( "HazelCast configuration file not valid", ex);
}
}
// Get the cluster name
elem = findChildNode( "clusterName", cluster.getChildNodes());
if ( elem != null) {
// Set the cluster name
String clusterName = getText( elem);
clusterConfig.setClusterName( clusterName);
}
// Make sure we have either an external Hazelcast configuration file or cluster name configured
if ( clusterConfig.hasConfigFile() == false && clusterConfig.hasClusterName() == false)
throw new InvalidConfigurationException( "HazelCast configuration must specify either or ");
// Check if Hazelcast should only use certain network addresses/interfaces
elem = findChildNode( "network", cluster.getChildNodes());
if ( elem != null) {
// Get the list of network addresses
String netAddrs = getText( elem);
if ( netAddrs == null || netAddrs.length() == 0)
throw new InvalidConfigurationException( "Hazelcast network address list is empty");
// Split the list into separate addresses
StringTokenizer addrTok = new StringTokenizer( netAddrs, ",");
while ( addrTok.hasMoreTokens()) {
// Get the current token and check that it is a valid IPv4 format address
String curAddr = addrTok.nextToken();
if (IPAddress.isNumericAddress( curAddr) == false)
throw new InvalidConfigurationException( "Invalid Hazelcast network address '" + curAddr + "'");
// Add to the list of network addresses to be used by Hazelcast
clusterConfig.addIPAddress( curAddr);
}
}
// Check if multicast cluster discovery is disabled
if ( findChildNode( "disableMulticast", cluster.getChildNodes()) != null)
clusterConfig.setDisableMulticast( true);
}
}
}