/* * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */  package com.sun.jmx.snmp.IPAcl;   // java import//import java.io.Serializable;import java.net.InetAddress;import java.net.UnknownHostException;import java.util.Hashtable;import java.util.logging.Level;import java.util.Vector;import java.security.acl.NotOwnerException; import static com.sun.jmx.defaults.JmxProperties.SNMP_LOGGER; /** * The class defines an abstract representation of a host. * */abstract class Host extends SimpleNode implements Serializable {     public Host(int id) {        super(id);    }     public Host(Parser p, int id) {        super(p, id);    }     protected abstract PrincipalImpl createAssociatedPrincipal()        throws UnknownHostException;     protected abstract String getHname();     public void buildAclEntries(PrincipalImpl owner, AclImpl acl) {        // Create a principal        //        PrincipalImpl p=null;        try {            p = createAssociatedPrincipal();        } catch(UnknownHostException e) {            if (SNMP_LOGGER.isLoggable(Level.FINEST)) {                SNMP_LOGGER.logp(Level.FINEST, Host.class.getName(),                        "buildAclEntries",                        "Cannot create ACL entry; got exception", e);            }            throw new IllegalArgumentException("Cannot create ACL entry for " + e.getMessage());        }         // Create an AclEntry        //        AclEntryImpl entry= null;        try {            entry = new AclEntryImpl(p);            // Add permission            //            registerPermission(entry);            acl.addEntry(owner, entry);        } catch(UnknownHostException e) {            if (SNMP_LOGGER.isLoggable(Level.FINEST)) {                SNMP_LOGGER.logp(Level.FINEST, Host.class.getName(),                        "buildAclEntries",                        "Cannot create ACL entry; got exception", e);            }            return;        } catch(NotOwnerException a) {            if (SNMP_LOGGER.isLoggable(Level.FINEST)) {                SNMP_LOGGER.logp(Level.FINEST, Host.class.getName(),                        "buildAclEntries",                        "Cannot create ACL entry; got exception", a);            }            return;        }    }     private void registerPermission(AclEntryImpl entry) {        JDMHost host= (JDMHost) jjtGetParent();        JDMManagers manager= (JDMManagers) host.jjtGetParent();        JDMAclItem acl= (JDMAclItem) manager.jjtGetParent();        JDMAccess access= acl.getAccess();        access.putPermission(entry);        JDMCommunities comm= acl.getCommunities();        comm.buildCommunities(entry);    }     public void buildTrapEntries(Hashtable<InetAddress, Vector<String>> dest) {         JDMHostTrap host= (JDMHostTrap) jjtGetParent();        JDMTrapInterestedHost hosts= (JDMTrapInterestedHost) host.jjtGetParent();        JDMTrapItem trap = (JDMTrapItem) hosts.jjtGetParent();        JDMTrapCommunity community = trap.getCommunity();        String comm = community.getCommunity();         InetAddress add = null;        try {            add = java.net.InetAddress.getByName(getHname());        } catch(UnknownHostException e) {            if (SNMP_LOGGER.isLoggable(Level.FINEST)) {                SNMP_LOGGER.logp(Level.FINEST, Host.class.getName(),                        "buildTrapEntries",                        "Cannot create TRAP entry; got exception", e);            }            return;        }         Vector<String> list = null;        if (dest.containsKey(add)){            list = dest.get(add);            if (!list.contains(comm)){                list.addElement(comm);            }        } else {            list = new Vector<String>();            list.addElement(comm);            dest.put(add,list);        }    }     public void buildInformEntries(Hashtable<InetAddress, Vector<String>> dest) {         JDMHostInform host= (JDMHostInform) jjtGetParent();        JDMInformInterestedHost hosts= (JDMInformInterestedHost) host.jjtGetParent();        JDMInformItem inform = (JDMInformItem) hosts.jjtGetParent();        JDMInformCommunity community = inform.getCommunity();        String comm = community.getCommunity();         InetAddress add = null;        try {            add = java.net.InetAddress.getByName(getHname());        } catch(UnknownHostException e) {            if (SNMP_LOGGER.isLoggable(Level.FINEST)) {                SNMP_LOGGER.logp(Level.FINEST, Host.class.getName(),                        "buildTrapEntries",                        "Cannot create INFORM entry; got exception", e);            }            return;        }         Vector<String> list = null;        if (dest.containsKey(add)){            list = dest.get(add);            if (!list.contains(comm)){                list.addElement(comm);            }        } else {            list = new Vector<String>();            list.addElement(comm);            dest.put(add,list);        }    }   }