/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.controller.interfaces;
import static org.jboss.as.controller.logging.ControllerLogger.MGMT_OP_LOGGER;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import org.wildfly.common.Assert;
/**
* A loopback criteria with a specified bind address.
*
* @author Scott stark (sstark@redhat.com) (C) 2011 Red Hat Inc.
* @version $Revision:$
*/
public class LoopbackAddressInterfaceCriteria extends AbstractInterfaceCriteria {
private static final long serialVersionUID = 1L;
private String address;
private InetAddress resolved;
private boolean unknownHostLogged;
/**
* Creates a new LoopbackAddressInterfaceCriteria
*
* @param address a valid value to pass to {@link InetAddress#getByName(String)}
* Cannot be {@code null}
*
* @throws IllegalArgumentException if <code>network</code> is <code>null</code>
*/
public LoopbackAddressInterfaceCriteria(final InetAddress address) {
Assert.checkNotNullParam("address", address);
this.resolved = address;
this.address = resolved.getHostAddress();
}
/**
* Creates a new LoopbackAddressInterfaceCriteria
*
* @param address a valid value to pass to {@link InetAddress#getByName(String)}
* Cannot be {@code null}
*
* @throws IllegalArgumentException if <code>network</code> is <code>null</code>
*/
public LoopbackAddressInterfaceCriteria(final String address) {
Assert.checkNotNullParam("address", address);
this.address = address;
}
public synchronized InetAddress getAddress() throws UnknownHostException {
if (resolved == null) {
resolved = InetAddress.getByName(address);
}
return this.resolved;
}
/**
* {@inheritDoc}
*
* @return <code>{@link #getAddress()}()</code> if {@link NetworkInterface#isLoopback()} is true, null otherwise.
*/
@Override
protected InetAddress isAcceptable(NetworkInterface networkInterface, InetAddress address) throws SocketException {
try {
if( networkInterface.isLoopback() ) {
return getAddress();
}
} catch (UnknownHostException e) {
// One time only log a warning
if (!unknownHostLogged) {
MGMT_OP_LOGGER.cannotResolveAddress(this.address);
unknownHostLogged = true;
}
}
return null;
}
public String toString() {
StringBuilder sb = new StringBuilder("LoopbackAddressInterfaceCriteria(");
sb.append("address=");
sb.append(address);
sb.append(",resolved=");
sb.append(resolved);
sb.append(')');
return sb.toString();
}
@Override
public int hashCode() {
return address.hashCode();
}
@Override
public boolean equals(Object o) {
return (o instanceof LoopbackAddressInterfaceCriteria)
&& address.equals(((LoopbackAddressInterfaceCriteria)o).address);
}
}