com.sun.faces.context.RequestHeaderValuesMap Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.context;
import java.util.List;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Map;
import java.util.Set;
import java.util.Collections;
import java.util.Collection;
import java.util.Iterator;
import javax.servlet.http.HttpServletRequest;
import com.sun.faces.util.Util;
/**
* @see javax.faces.context.ExternalContext#getRequestHeaderValuesMap()
*/
public class RequestHeaderValuesMap extends StringArrayValuesMap {
private final HttpServletRequest request;
// ------------------------------------------------------------ Constructors
public RequestHeaderValuesMap(HttpServletRequest request) {
this.request = request;
}
// -------------------------------------------------------- Methods from Map
@Override
public boolean containsKey(Object key) {
return (request.getHeaders(key.toString()) != null);
}
@Override
public String[] get(Object key) {
Util.notNull("key", key);
List valuesList = new ArrayList<>();
Enumeration valuesEnum = this.request.getHeaders(key.toString());
while (valuesEnum.hasMoreElements()) {
valuesList.add((String) valuesEnum.nextElement());
}
return valuesList.toArray(new String[valuesList.size()]);
}
@Override
public Set> entrySet() {
return Collections.unmodifiableSet(super.entrySet());
}
@Override
public Set keySet() {
return Collections.unmodifiableSet(super.keySet());
}
@Override
public Collection values() {
return Collections.unmodifiableCollection(super.values());
}
@Override
public int hashCode() {
return hashCode(request);
}
@Override
public boolean equals(Object obj) {
return !(obj == null || !(obj.getClass()
== ExternalContextImpl
.theUnmodifiableMapClass))
&& super.equals(obj);
}
// --------------------------------------------- Methods from BaseContextMap
@Override
protected Iterator> getEntryIterator() {
return new EntryIterator(request.getHeaderNames());
}
@Override
protected Iterator getKeyIterator() {
return new KeyIterator(request.getHeaderNames());
}
@Override
protected Iterator getValueIterator() {
return new ValueIterator(request.getHeaderNames());
}
} // END RequestHeaderValuesMap