HttpMethod.java example

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picketlink-master
/*
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 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.picketlink.http;

import java.util.HashSet;
import java.util.Set;

import static java.util.Collections.unmodifiableSet;

/**
 * <p>Defines a enum for the standard Http Methods.</p>
 *
 * @author Pedro Igor
 */
public enum HttpMethod {

    DELETE,
    HEAD,
    GET,
    OPTIONS,
    POST,
    PUT,
    TRACE;

    /**
     * <p>Returns a {@link java.util.Set} with the name of all registered methods.</p>
     *
     * @return
     */
    public static Set<String> names() {
        Set<String> methods = new HashSet<String>();

        for (HttpMethod httpMethod : HttpMethod.values()) {
            methods.add(httpMethod.name());
        }

        return unmodifiableSet(methods);
    }
}