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HSQLDB example source code file (ServerConfiguration.java)
The HSQLDB ServerConfiguration.java source code/* Copyright (c) 2001-2008, The HSQL Development Group * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the HSQL Development Group nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.hsqldb; import java.net.InetAddress; import org.hsqldb.lib.HashSet; import org.hsqldb.lib.StringUtil; import org.hsqldb.persist.HsqlProperties; //TODO: move to here from Server and WebServer the remaining extraneous code // dealing primarily with reading/setting properties from files, etc. /** * Assists with Server and WebServer configuration tasks. * * @author boucherb@users * @version 1.7.2 * @since 1.7.2 */ public final class ServerConfiguration implements ServerConstants { private ServerConfiguration() {} /** * Retrieves the default port that a Server will try to use in the * abscence of an explicitly specified one, given the specified * value for whether or not to use secure sockets. * * @param protocol the protcol specifier code of the Server * @param isTls if true, retrieve the default port when using secure * sockets, else the default port when using plain sockets * @return the default port used in the abscence of an explicit * specification. * */ public static int getDefaultPort(int protocol, boolean isTls) { switch (protocol) { case SC_PROTOCOL_HSQL : { return isTls ? SC_DEFAULT_HSQLS_SERVER_PORT : SC_DEFAULT_HSQL_SERVER_PORT; } case SC_PROTOCOL_HTTP : { return isTls ? SC_DEFAULT_HTTPS_SERVER_PORT : SC_DEFAULT_HTTP_SERVER_PORT; } case SC_PROTOCOL_BER : { return isTls ? -1 : SC_DEFAULT_BER_SERVER_PORT; } default : { return -1; } } } /** * Retrieves a new HsqlProperties object, if possible, loaded from the * specified file. * * @param path the file's path, without the .properties extention * (which is added automatically) * @return a new properties object loaded from the specified file */ public static HsqlProperties getPropertiesFromFile(String path) { if (StringUtil.isEmpty(path)) { return null; } HsqlProperties p = new HsqlProperties(path); try { p.load(); } catch (Exception e) {} return p; } /** * Retrieves an array of Strings naming the distinct, known to be valid local * InetAddress names for this machine. The process is to collect and * return the union of the following sets: * * <ol> * <li> InetAddress.getAllByName(InetAddress.getLocalHost().getHostAddress()) * <li> InetAddress.getAllByName(InetAddress.getLocalHost().getHostName()) * <li> InetAddress.getAllByName(InetAddress.getByName(null).getHostAddress()) * <li> InetAddress.getAllByName(InetAddress.getByName(null).getHostName()) * <li> InetAddress.getByName("loopback").getHostAddress() * <li> InetAddress.getByName("loopback").getHostname() * </ol> * * @return the distinct, known to be valid local * InetAddress names for this machine */ public static String[] listLocalInetAddressNames() { InetAddress addr; InetAddress[] addrs; HashSet set; set = new HashSet(); try { addr = InetAddress.getLocalHost(); addrs = InetAddress.getAllByName(addr.getHostAddress()); for (int i = 0; i < addrs.length; i++) { set.add(addrs[i].getHostAddress()); set.add(addrs[i].getHostName()); } addrs = InetAddress.getAllByName(addr.getHostName()); for (int i = 0; i < addrs.length; i++) { set.add(addrs[i].getHostAddress()); set.add(addrs[i].getHostName()); } } catch (Exception e) {} try { addr = InetAddress.getByName(null); addrs = InetAddress.getAllByName(addr.getHostAddress()); for (int i = 0; i < addrs.length; i++) { set.add(addrs[i].getHostAddress()); set.add(addrs[i].getHostName()); } addrs = InetAddress.getAllByName(addr.getHostName()); for (int i = 0; i < addrs.length; i++) { set.add(addrs[i].getHostAddress()); set.add(addrs[i].getHostName()); } } catch (Exception e) {} try { set.add(InetAddress.getByName("loopback").getHostAddress()); set.add(InetAddress.getByName("loopback").getHostName()); } catch (Exception e) {} return (String[]) set.toArray(new String[set.size()]); } /** * Retrieves a new default properties object for a server of the * specified protocol * * @return a new default properties object */ public static HsqlProperties newDefaultProperties(int protocol) { HsqlProperties p = new HsqlProperties(); p.setProperty(SC_KEY_AUTORESTART_SERVER, SC_DEFAULT_SERVER_AUTORESTART); p.setProperty(SC_KEY_ADDRESS, SC_DEFAULT_ADDRESS); p.setProperty(SC_KEY_NO_SYSTEM_EXIT, SC_DEFAULT_NO_SYSTEM_EXIT); boolean isTls = SC_DEFAULT_TLS; try { isTls = System.getProperty("javax.net.ssl.keyStore") != null; } catch (Exception e) {} p.setProperty(SC_KEY_PORT, getDefaultPort(protocol, isTls)); p.setProperty(SC_KEY_SILENT, SC_DEFAULT_SILENT); p.setProperty(SC_KEY_TLS, isTls); p.setProperty(SC_KEY_TRACE, SC_DEFAULT_TRACE); p.setProperty(SC_KEY_WEB_DEFAULT_PAGE, SC_DEFAULT_WEB_PAGE); p.setProperty(SC_KEY_WEB_ROOT, SC_DEFAULT_WEB_ROOT); return p; } /** * Translates null or zero length value for address key to the * special value ServerConstants.SC_DEFAULT_ADDRESS which causes * ServerSockets to be constructed without specifying an InetAddress. * * @param p The properties object upon which to perform the translation */ public static void translateAddressProperty(HsqlProperties p) { if (p == null) { return; } String address = p.getProperty(SC_KEY_ADDRESS); if (StringUtil.isEmpty(address)) { p.setProperty(SC_KEY_ADDRESS, SC_DEFAULT_ADDRESS); } } /** * Translates the legacy default database form: database=... * to the 1.7.2 form: database.0=... * * @param p The properties object upon which to perform the translation */ public static void translateDefaultDatabaseProperty(HsqlProperties p) { if (p == null) { return; } if (!p.isPropertyTrue(SC_KEY_REMOTE_OPEN_DB)) { if (p.getProperty(SC_KEY_DATABASE + "." + 0) == null) { String defaultdb = p.getProperty(SC_KEY_DATABASE); if (defaultdb == null) { defaultdb = SC_DEFAULT_DATABASE; } p.setProperty(SC_KEY_DATABASE + ".0", defaultdb); p.setProperty(SC_KEY_DBNAME + ".0", ""); } if (p.getProperty(SC_KEY_DBNAME + "." + 0) == null) { p.setProperty(SC_KEY_DBNAME + ".0", ""); } } } /** * Tranlates unspecified no_system_exit property to false, the default * typically required when a Server is started from the command line. * * @param p The properties object upon which to perform the translation */ public static void translateDefaultNoSystemExitProperty( HsqlProperties p) { if (p == null) { return; } p.setPropertyIfNotExists(SC_KEY_NO_SYSTEM_EXIT, "false"); } } Other HSQLDB examples (source code examples)Here is a short list of links related to this HSQLDB ServerConfiguration.java source code file: |
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