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Java example source code file (MessageHeaders.java)

This example Java source code file (MessageHeaders.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

header, iterator, list, messageheaders, set, string, util, wsbinding

The MessageHeaders.java Java example source code

/*
 * Copyright (c) 1997, 2013, 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 com.sun.xml.internal.ws.api.message;

import java.util.List;
import java.util.Iterator;
import java.util.Set;

import javax.xml.namespace.QName;

import com.sun.xml.internal.ws.api.WSBinding;

/**
 * Interface representing all the headers of a {@link Message}
 */
public interface MessageHeaders {
    public void understood(Header header);
    public void understood(QName name);
    public void understood(String nsUri, String localName);
    public Header get(String nsUri, String localName, boolean markAsUnderstood);
    public Header get(QName name, boolean markAsUnderstood);
    public Iterator<Header> getHeaders(String nsUri, String localName, final boolean markAsUnderstood);
    /**
     * Get all headers in specified namespace
     * @param nsUri
     * @param markAsUnderstood
     * @return
     */
    public Iterator<Header> getHeaders(String nsUri, final boolean markAsUnderstood);
    public Iterator<Header> getHeaders(QName headerName, final boolean markAsUnderstood);
    public Iterator<Header> getHeaders();
    public boolean hasHeaders();
    public boolean add(Header header);
    public Header remove(QName name);
    public Header remove(String nsUri, String localName);
    //DONT public Header remove(Header header);
    public void replace(Header old, Header header);

    /**
     * Replaces an existing {@link Header} or adds a new {@link Header}.
     *
     * <p>
     * Order doesn't matter in headers, so this method
     * does not make any guarantee as to where the new header
     * is inserted.
     *
     * @return
     *      always true. Don't use the return value.
     */
    public boolean addOrReplace(Header header);

    /**
     * Return a Set of QNames of headers that have been explicitly marked as understood.
     * If none have been marked, this method could return null
     */
    public Set<QName> getUnderstoodHeaders();

    /**
     * Returns a Set of QNames of headers that satisfy ALL the following conditions:
     * (a) Have mustUnderstand = true
     * (b) have NOT been explicitly marked as understood
     * (c) If roles argument is non-null, the header has isIgnorable = false
     * for the roles argument and SOAP version
     * (d) If non-null binding is passed in, are NOT understood by the binding
     * (e) If (d) is met, the header is NOT in the knownHeaders list passed in
     *
     * @param roles
     * @param knownHeaders
     * @param binding
     * @return
     */
    public Set<QName> getNotUnderstoodHeaders(Set roles, Set knownHeaders, WSBinding binding);

    /**
     * True if the header has been explicitly marked understood, false otherwise
     * @param header
     * @return
     */
    public boolean isUnderstood(Header header);

    /**
     * True if the header has been explicitly marked understood, false otherwise
     * @param header
     * @return
     */
    public boolean isUnderstood(QName header);

    /**
     * True if the header has been explicitly marked understood, false otherwise
     * @param header
     * @return
     */
    public boolean isUnderstood(String nsUri, String header);

    /**
     * Returns <code>Header instances in a List.
     * @return <code>List containing Header instances
     */
    public List<Header> asList();
}

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