/*
 * Copyright (c) 2005, 2017, 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
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 */

package com.sun.xml.internal.messaging.saaj.soap;

import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;

public interface LazyEnvelope extends Envelope {
    public XMLStreamReader getPayloadReader() throws SOAPException;
    public boolean isLazy();
    public void writeTo(XMLStreamWriter writer) throws XMLStreamException, SOAPException;

    /**
     * Retrieve payload qname without materializing its contents
     * @return QName
     * @throws SOAPException in case of an error
     */
    public QName getPayloadQName() throws SOAPException;

    /**
     * Retrieve payload attribute value without materializing its contents
     * @param localName local name
     * @return payload attribute value
     * @throws SOAPException in case of an error
     */
    public String getPayloadAttributeValue(String localName) throws SOAPException;

    /**
     * Retrieve payload attribute value without materializing its contents
     * @param qName QName
     * @return payload attribute value
     * @throws SOAPException in case of an error
     */
    public String getPayloadAttributeValue(QName qName) throws SOAPException;
}