diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/HostInfo.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/HostInfo.java | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/HostInfo.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/HostInfo.java deleted file mode 100644 index 5cd433ca..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/HostInfo.java +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -package org.apache.tools.ant.taskdefs; - -import java.net.Inet4Address; -import java.net.Inet6Address; -import java.net.InetAddress; -import java.net.NetworkInterface; -import java.util.Arrays; -import java.util.Enumeration; -import java.util.LinkedList; -import java.util.List; - -import org.apache.tools.ant.BuildException; -import org.apache.tools.ant.Project; -import org.apache.tools.ant.Task; - -/** - * Sets properties to the host provided, or localhost if no information is - * provided. The default properties are NAME, FQDN, ADDR4, ADDR6; - * - * @since Ant 1.8 - * @ant.task category="utility" - */ - - -public class HostInfo extends Task { - private static final String DEF_REM_ADDR6 = "::"; - - private static final String DEF_REM_ADDR4 = "0.0.0.0"; - - private static final String DEF_LOCAL_ADDR6 = "::1"; - - private static final String DEF_LOCAL_ADDR4 = "127.0.0.1"; - - private static final String DEF_LOCAL_NAME = "localhost"; - private static final String DEF_DOMAIN = "localdomain"; - - private static final String DOMAIN = "DOMAIN"; - - private static final String NAME = "NAME"; - - private static final String ADDR4 = "ADDR4"; - - private static final String ADDR6 = "ADDR6"; - - private String prefix = ""; - - private String host; - - private InetAddress nameAddr; - - private InetAddress best6; - - private InetAddress best4; - - private List<InetAddress> inetAddrs; - - /** - * Set a prefix for the properties. If the prefix does not end with a "." - * one is automatically added. - * - * @param aPrefix - * the prefix to use. - * @since Ant 1.8 - */ - public void setPrefix(String aPrefix) { - prefix = aPrefix; - if (!prefix.endsWith(".")) { - prefix += "."; - } - } - - /** - * Set the host to be retrieved. - * - * @param aHost - * the name or the address of the host, data for the local host - * will be retrieved if omitted. - * @since Ant 1.8 - */ - public void setHost(String aHost) { - host = aHost; - } - - /** - * set the properties. - * - * @throws BuildException - * on error. - */ - public void execute() throws BuildException { - if (host == null || "".equals(host)) { - executeLocal(); - } else { - executeRemote(); - } - } - - private void executeLocal() { - try { - inetAddrs = new LinkedList<InetAddress>(); - Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); - while (interfaces.hasMoreElements()) { - NetworkInterface currentif = interfaces.nextElement(); - Enumeration<InetAddress> addrs = currentif.getInetAddresses(); - while (addrs.hasMoreElements()) { - inetAddrs.add(addrs.nextElement()); - } - } - selectAddresses(); - - if (nameAddr != null && hasHostName(nameAddr)) { - setDomainAndName(nameAddr.getCanonicalHostName()); - } else { - setProperty(DOMAIN, DEF_DOMAIN); - setProperty(NAME, DEF_LOCAL_NAME); - } - if (best4 != null) { - setProperty(ADDR4, best4.getHostAddress()); - } else { - setProperty(ADDR4, DEF_LOCAL_ADDR4); - } - if (best6 != null) { - setProperty(ADDR6, best6.getHostAddress()); - } else { - setProperty(ADDR6, DEF_LOCAL_ADDR6); - } - } catch (Exception e) { - log("Error retrieving local host information", e, Project.MSG_WARN); - setProperty(DOMAIN, DEF_DOMAIN); - setProperty(NAME, DEF_LOCAL_NAME); - setProperty(ADDR4, DEF_LOCAL_ADDR4); - setProperty(ADDR6, DEF_LOCAL_ADDR6); - } - } - - private boolean hasHostName(InetAddress addr) { - return !addr.getHostAddress().equals(addr.getCanonicalHostName()); - } - - private void selectAddresses() { - for (InetAddress current : inetAddrs) { - if (!current.isMulticastAddress()) { - if (current instanceof Inet4Address) { - best4 = selectBestAddress(best4, current); - } else if (current instanceof Inet6Address) { - best6 = selectBestAddress(best6, current); - } - } - } - - nameAddr = selectBestAddress(best4, best6); - } - - private InetAddress selectBestAddress(InetAddress bestSoFar, - InetAddress current) { - InetAddress best = bestSoFar; - if (best == null) { - // none selected so far, so this one is better. - best = current; - } else { - if (current == null || current.isLoopbackAddress()) { - // definitely not better than the previously selected address. - } else if (current.isLinkLocalAddress()) { - // link local considered better than loopback - if (best.isLoopbackAddress()) { - best = current; - } - } else if (current.isSiteLocalAddress()) { - // site local considered better than link local (and loopback) - // address with hostname resolved considered better than - // address without hostname - if (best.isLoopbackAddress() - || best.isLinkLocalAddress() - || (best.isSiteLocalAddress() && !hasHostName(best))) { - best = current; - } - } else { - // current is a "Global address", considered better than - // site local (and better than link local, loopback) - // address with hostname resolved considered better than - // address without hostname - if (best.isLoopbackAddress() - || best.isLinkLocalAddress() - || best.isSiteLocalAddress() - || !hasHostName(best)) { - best = current; - } - } - } - return best; - } - - private void executeRemote() { - try { - inetAddrs = Arrays.asList(InetAddress.getAllByName(host)); - - selectAddresses(); - - if (nameAddr != null && hasHostName(nameAddr)) { - setDomainAndName(nameAddr.getCanonicalHostName()); - } else { - setDomainAndName(host); - } - if (best4 != null) { - setProperty(ADDR4, best4.getHostAddress()); - } else { - setProperty(ADDR4, DEF_REM_ADDR4); - } - if (best6 != null) { - setProperty(ADDR6, best6.getHostAddress()); - } else { - setProperty(ADDR6, DEF_REM_ADDR6); - } - } catch (Exception e) { - log("Error retrieving remote host information for host:" + host - + ".", e, Project.MSG_WARN); - setDomainAndName(host); - setProperty(ADDR4, DEF_REM_ADDR4); - setProperty(ADDR6, DEF_REM_ADDR6); - } - } - - private void setDomainAndName(String fqdn) { - int idx = fqdn.indexOf('.'); - if (idx > 0) { - setProperty(NAME, fqdn.substring(0, idx)); - setProperty(DOMAIN, fqdn.substring(idx+1)); - } else { - setProperty(NAME, fqdn); - setProperty(DOMAIN, DEF_DOMAIN); - } - } - - private void setProperty(String name, String value) { - getProject().setNewProperty(prefix + name, value); - } - -} |