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/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.net.www.protocol.http;
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import java.io.IOException;
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import java.net.URL;
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import java.util.Hashtable;
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import java.util.LinkedList;
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import java.util.ListIterator;
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import java.util.Enumeration;
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import java.util.HashMap;
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/**
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* @author Michael McMahon
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*/
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public class AuthCacheImpl implements AuthCache {
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HashMap hashtable;
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public AuthCacheImpl () {
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hashtable = new HashMap ();
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}
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public void setMap (HashMap map) {
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hashtable = map;
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}
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// put a value in map according to primary key + secondary key which
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// is the path field of AuthenticationInfo
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public synchronized void put (String pkey, AuthCacheValue value) {
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LinkedList list = (LinkedList) hashtable.get (pkey);
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String skey = value.getPath();
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if (list == null) {
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list = new LinkedList ();
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hashtable.put (pkey, list);
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}
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// Check if the path already exists or a super-set of it exists
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ListIterator iter = list.listIterator();
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while (iter.hasNext()) {
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AuthenticationInfo inf = (AuthenticationInfo)iter.next();
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if (inf.path == null || inf.path.startsWith (skey)) {
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iter.remove ();
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}
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}
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iter.add (value);
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}
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// get a value from map checking both primary
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// and secondary (urlpath) key
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public synchronized AuthCacheValue get (String pkey, String skey) {
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AuthenticationInfo result = null;
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LinkedList list = (LinkedList) hashtable.get (pkey);
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if (list == null || list.size() == 0) {
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return null;
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}
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if (skey == null) {
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// list should contain only one element
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return (AuthenticationInfo)list.get (0);
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}
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ListIterator iter = list.listIterator();
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while (iter.hasNext()) {
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AuthenticationInfo inf = (AuthenticationInfo)iter.next();
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if (skey.startsWith (inf.path)) {
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return inf;
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}
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}
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return null;
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}
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public synchronized void remove (String pkey, AuthCacheValue entry) {
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LinkedList list = (LinkedList) hashtable.get (pkey);
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if (list == null) {
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return;
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}
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if (entry == null) {
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list.clear();
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return;
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}
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ListIterator iter = list.listIterator ();
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while (iter.hasNext()) {
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AuthenticationInfo inf = (AuthenticationInfo)iter.next();
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if (entry.equals(inf)) {
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iter.remove ();
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}
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}
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}
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}
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