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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.qpid.server.cluster;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
public class SimpleMemberHandle implements MemberHandle
{
private final String _host;
private final int _port;
public SimpleMemberHandle(String host, int port)
{
_host = host;
_port = port;
}
public SimpleMemberHandle(String details)
{
String[] parts = details.split(":");
_host = parts[0];
_port = Integer.parseInt(parts[1]);
}
public SimpleMemberHandle(InetSocketAddress address) throws UnknownHostException
{
this(address.getAddress(), address.getPort());
}
public SimpleMemberHandle(InetAddress address, int port) throws UnknownHostException
{
this(canonical(address).getHostAddress(), port);
}
public String getHost()
{
return _host;
}
public int getPort()
{
return _port;
}
public int hashCode()
{
return getPort();
}
public boolean equals(Object o)
{
return o instanceof MemberHandle && matches((MemberHandle) o);
}
public boolean matches(MemberHandle m)
{
return matches(m.getHost(), m.getPort());
}
public boolean matches(String host, int port)
{
return _host.equals(host) && _port == port;
}
public String getDetails()
{
return _host + ":" + _port;
}
public String toString()
{
return getDetails();
}
static List<MemberHandle> stringToMembers(String membership)
{
String[] names = membership.split("\\s");
List<MemberHandle> members = new ArrayList<MemberHandle>();
for (String name : names)
{
members.add(new SimpleMemberHandle(name));
}
return members;
}
static String membersToString(List<MemberHandle> members)
{
StringBuffer buffer = new StringBuffer();
boolean first = true;
for (MemberHandle m : members)
{
if (first)
{
first = false;
}
else
{
buffer.append(" ");
}
buffer.append(m.getDetails());
}
return buffer.toString();
}
private static InetAddress canonical(InetAddress address) throws UnknownHostException
{
if (address.isLoopbackAddress())
{
return InetAddress.getLocalHost();
}
else
{
return address;
}
}
public MemberHandle resolve()
{
return resolve(this);
}
public static MemberHandle resolve(MemberHandle handle)
{
try
{
return new SimpleMemberHandle(new InetSocketAddress(handle.getHost(), handle.getPort()));
}
catch (UnknownHostException e)
{
e.printStackTrace();
return handle;
}
}
}
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