/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ws.commons.soap;

import org.apache.ws.commons.om.OMElement;
import org.apache.ws.commons.om.OMException;

/**
 * Interface SOAPEnvelope
 */
public interface SOAPEnvelope extends OMElement {
    /**
     * Returns the <CODE>SOAPHeader</CODE> object for this <CODE>
     * SOAPEnvelope</CODE> object.
     * <P> This SOAPHeader will just be a container for all the headers in the
     * <CODE>OMMessage</CODE>
     * </P>
     *
     * @return the <CODE>SOAPHeader</CODE> object or <CODE>
     *         null</CODE> if there is none
     * @throws org.apache.ws.commons.om.OMException
     *          if there is a problem
     *          obtaining the <CODE>SOAPHeader</CODE> object
     */
    public abstract SOAPHeader getHeader() throws OMException;

    /**
     * Returns the <CODE>SOAPBody</CODE> object associated with
     * this <CODE>SOAPEnvelope</CODE> object.
     * <P> This SOAPBody will just be a container for all the BodyElements in the
     * <CODE>OMMessage</CODE>
     * </P>
     *
     * @return the <CODE>SOAPBody</CODE> object for this <CODE>
     *         SOAPEnvelope</CODE> object or <CODE>null</CODE> if there
     *         is none
     * @throws OMException if there is a problem
     *                     obtaining the <CODE>SOAPBody</CODE> object
     */
    public abstract SOAPBody getBody() throws OMException;
}