/*
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.net.httpserver;
import java.util.*;
import com.sun.net.httpserver.*;
class UnmodifiableHeaders extends Headers {
Headers map;
UnmodifiableHeaders(Headers map) {
this.map = map;
}
public int size() {return map.size();}
public boolean isEmpty() {return map.isEmpty();}
public boolean containsKey(Object key) {
return map.containsKey (key);
}
public boolean containsValue(Object value) {
return map.containsValue(value);
}
public List<String> get(Object key) {
return map.get(key);
}
public String getFirst (String key) {
return map.getFirst(key);
}
public List<String> put(String key, List<String> value) {
return map.put (key, value);
}
public void add (String key, String value) {
throw new UnsupportedOperationException ("unsupported operation");
}
public void set (String key, String value) {
throw new UnsupportedOperationException ("unsupported operation");
}
public List<String> remove(Object key) {
throw new UnsupportedOperationException ("unsupported operation");
}
public void putAll(Map<? extends String,? extends List<String>> t) {
throw new UnsupportedOperationException ("unsupported operation");
}
public void clear() {
throw new UnsupportedOperationException ("unsupported operation");
}
public Set<String> keySet() {
return Collections.unmodifiableSet (map.keySet());
}
public Collection<List<String>> values() {
return Collections.unmodifiableCollection(map.values());
}
/* TODO check that contents of set are not modifable : security */
public Set<Map.Entry<String, List<String>>> entrySet() {
return Collections.unmodifiableSet (map.entrySet());
}
public boolean equals(Object o) {return map.equals(o);}
public int hashCode() {return map.hashCode();}
}