author | dfuchs |
Fri, 30 Aug 2019 15:42:27 +0100 | |
branch | JDK-8229867-branch |
changeset 57968 | 8595871a5446 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2011, 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.util.LinkedList; |
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import java.util.ListIterator; |
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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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// Using synchronized in this class should be safe |
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public class AuthCacheImpl implements AuthCache { |
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HashMap<String,LinkedList<AuthCacheValue>> hashtable; |
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public AuthCacheImpl () { |
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hashtable = new HashMap<String,LinkedList<AuthCacheValue>>(); |
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} |
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public void setMap (HashMap<String,LinkedList<AuthCacheValue>> 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<AuthCacheValue> list = 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<AuthCacheValue>(); |
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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<AuthCacheValue> 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<AuthCacheValue> list = 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<AuthCacheValue> 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<AuthCacheValue> list = 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<AuthCacheValue> 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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} |