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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces Show documentation
EE4J Compatible Implementation for Jakarta Faces API
The newest version!
/*
 * Copyright (c) 1997, 2020 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.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import com.sun.faces.util.Util;

import jakarta.servlet.ServletRequest;

/**
 * @see jakarta.faces.context.ExternalContext#getRequestParameterValuesMap()
 */
public class RequestParameterValuesMap extends StringArrayValuesMap {

    private final ServletRequest request;

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

    public RequestParameterValuesMap(ServletRequest request) {
        this.request = request;
    }

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

    @Override
    public String[] get(Object key) {
        Util.notNull("key", key);
        return request.getParameterValues(key.toString());
    }

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

    @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.getParameterNames());
    }

    @Override
    protected Iterator getKeyIterator() {
        return new KeyIterator(request.getParameterNames());
    }

    @Override
    protected Iterator getValueIterator() {
        return new ValueIterator(request.getParameterNames());
    }

} // END RequestParameterValuesMap