org.eclipse.jetty.util.HostMap Maven / Gradle / Ivy
// ========================================================================
// Copyright (c) 2010 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
package org.eclipse.jetty.util;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
/* ------------------------------------------------------------ */
/**
*/
@SuppressWarnings("serial")
public class HostMap extends HashMap
{
/* --------------------------------------------------------------- */
/** Construct empty HostMap.
*/
public HostMap()
{
super(11);
}
/* --------------------------------------------------------------- */
/** Construct empty HostMap.
*
* @param capacity initial capacity
*/
public HostMap(int capacity)
{
super (capacity);
}
/* ------------------------------------------------------------ */
/**
* @see java.util.HashMap#put(java.lang.Object, java.lang.Object)
*/
@Override
public TYPE put(String host, TYPE object)
throws IllegalArgumentException
{
return super.put(host, object);
}
/* ------------------------------------------------------------ */
/**
* @see java.util.HashMap#get(java.lang.Object)
*/
@Override
public TYPE get(Object key)
{
return super.get(key);
}
/* ------------------------------------------------------------ */
/**
* Retrieve a lazy list of map entries associated with specified
* hostname by taking into account the domain suffix matches.
*
* @param host hostname
* @return lazy list of map entries
*/
public Object getLazyMatches(String host)
{
if (host == null)
return LazyList.getList(super.entrySet());
int idx = 0;
String domain = host.trim();
HashSet domains = new HashSet();
do {
domains.add(domain);
if ((idx = domain.indexOf('.')) > 0)
{
domain = domain.substring(idx+1);
}
} while (idx > 0);
Object entries = null;
for(Map.Entry entry: super.entrySet())
{
if (domains.contains(entry.getKey()))
{
entries = LazyList.add(entries,entry);
}
}
return entries;
}
}