001: /*
002: * JBoss, Home of Professional Open Source.
003: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004: * as indicated by the @author tags. See the copyright.txt file in the
005: * distribution for a full listing of individual contributors.
006: *
007: * This is free software; you can redistribute it and/or modify it
008: * under the terms of the GNU Lesser General Public License as
009: * published by the Free Software Foundation; either version 2.1 of
010: * the License, or (at your option) any later version.
011: *
012: * This software is distributed in the hope that it will be useful,
013: * but WITHOUT ANY WARRANTY; without even the implied warranty of
014: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015: * Lesser General Public License for more details.
016: *
017: * You should have received a copy of the GNU Lesser General Public
018: * License along with this software; if not, write to the Free
019: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021: */
022: package org.jboss.system.server;
023:
024: import java.net.InetAddress;
025: import java.net.UnknownHostException;
026:
027: /**
028: * Utilities for accessing server configuration. Note that this class cannot
029: * have dependencies on anything but bootstrap and jdk classes. Anything more
030: * than this needs to be defined in the ServerConfig interface and provided
031: * in the associated implementation.
032: *
033: * @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
034: * @version <tt>$Revision: 57205 $</tt>
035: */
036: public class ServerConfigUtil {
037: private static final String ANY = "0.0.0.0";
038:
039: /**
040: * Retrieve the default bind address for the server
041: *
042: * @return the default bind adress
043: */
044: public static String getDefaultBindAddress() {
045: return System.getProperty(ServerConfig.SERVER_BIND_ADDRESS);
046: }
047:
048: /**
049: * Retrieve the default bind address, but only if it is specific
050: *
051: * @return the specific bind address
052: */
053: public static String getSpecificBindAddress() {
054: String address = System
055: .getProperty(ServerConfig.SERVER_BIND_ADDRESS);
056: if (address == null || address.equals(ANY))
057: return null;
058: return address;
059: }
060:
061: /**
062: * Fix the remote inet address.
063: *
064: * If we pass the address to the client we don't want to
065: * tell it to connect to 0.0.0.0, use our host name instead
066: * @param address the passed address
067: * @return the fixed address
068: */
069: public static InetAddress fixRemoteAddress(InetAddress address) {
070: try {
071: if (address == null
072: || InetAddress.getByName(ANY).equals(address))
073: return InetAddress.getLocalHost();
074: } catch (UnknownHostException ignored) {
075: }
076: return address;
077: }
078:
079: /**
080: * Fix the remote address.
081: *
082: * If we pass the address to the client we don't want to
083: * tell it to connect to 0.0.0.0, use our host name instead
084: * @param address the passed address
085: * @return the fixed address
086: */
087: public static String fixRemoteAddress(String address) {
088: try {
089: if (address == null || ANY.equals(address))
090: return InetAddress.getLocalHost().getHostName();
091: } catch (UnknownHostException ignored) {
092: }
093: return address;
094: }
095:
096: /**
097: * Get the default partition name
098: *
099: * @return the default partition name
100: */
101: public static String getDefaultPartitionName() {
102: return System.getProperty(ServerConfig.PARTITION_NAME_PROPERTY,
103: ServerConfig.DEFAULT_PARITION_NAME);
104: }
105:
106: /**
107: * Whether to load native directories
108: *
109: * @return true when loading native directories
110: */
111: public static boolean isLoadNative() {
112: return Boolean.getBoolean(ServerConfig.NATIVE_LOAD_PROPERTY);
113: }
114:
115: /**
116: * Utility to get a shortened url relative to the server home if possible
117: *
118: * @param longUrl
119: * @return the short url
120: */
121: public static String shortUrlFromServerHome(String longUrl) {
122: String serverHomeUrl = System
123: .getProperty(org.jboss.system.server.ServerConfig.SERVER_HOME_URL);
124:
125: if (longUrl == null || serverHomeUrl == null)
126: return longUrl;
127:
128: if (longUrl.startsWith(serverHomeUrl))
129: return ".../" + longUrl.substring(serverHomeUrl.length());
130: else
131: return longUrl;
132: }
133: }
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