com.sun.faces.context.RequestHeaderMap Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
There is a newer version: 2.4.0
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.faces.context;

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#getRequestHeaderMap()  
 */
public class RequestHeaderMap extends BaseContextMap {

    private final HttpServletRequest request;


    // ------------------------------------------------------------ Constructors


    public RequestHeaderMap(HttpServletRequest request) {
        this.request = request;
    }


    // -------------------------------------------------------- Methods from Map


    @Override
    public String get(Object key) {
        Util.notNull("key", key);

        return (request.getHeader(key.toString()));
    }


    @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 boolean containsKey(Object key) {
        return (request.getHeader(key.toString()) != null);
    }


    @Override
    public boolean equals(Object obj) {
        return !(obj == null ||
                 !(obj.getClass()
                   == ExternalContextImpl
                       .theUnmodifiableMapClass)) && super.equals(obj);
    }


    @Override
    public int hashCode() {
        int hashCode = 7 * request.hashCode();
        for (Iterator i = entrySet().iterator(); i.hasNext(); ) {
            hashCode += i.next().hashCode();
        }
        return hashCode;
    }


    // --------------------------------------------- Methods from BaseContextMap


    protected Iterator> getEntryIterator() {
        return new EntryIterator(request.getHeaderNames());
    }


    protected Iterator getKeyIterator() {
        return new KeyIterator(request.getHeaderNames());
    }


    protected Iterator getValueIterator() {
        return new ValueIterator(request.getHeaderNames());
    }

} // END RequestHeaderMap