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/* Copyright 2004 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.xmlbeans.impl.soap;
/**
* The container for the SOAPHeader and SOAPBody portions of a
* SOAPPart object. By default, a
* SOAPMessage object is created with a
* SOAPPart object that has a SOAPEnvelope
* object. The SOAPEnvelope object by default has an
* empty SOAPBody object and an empty
* SOAPHeader object. The SOAPBody object is
* required, and the SOAPHeader object, though
* optional, is used in the majority of cases. If the
* SOAPHeader object is not needed, it can be deleted,
* which is shown later.
*
* A client can access the SOAPHeader and
* SOAPBody objects by calling the methods
* SOAPEnvelope.getHeader and
* SOAPEnvelope.getBody. The following lines of code use
* these two methods after starting with the
* SOAPMessage object message to get the
* SOAPPart object sp, which is then used to get the
* SOAPEnvelope object se.
*
* SOAPPart sp = message.getSOAPPart();
* SOAPEnvelope se = sp.getEnvelope();
* SOAPHeader sh = se.getHeader();
* SOAPBody sb = se.getBody();
*
*
* It is possible to change the body or header of a
* SOAPEnvelope object by retrieving the current one,
* deleting it, and then adding a new body or header. The
* javax.xml.soap.Node method detachNode
* detaches the XML element (node) on which it is called. For
* example, the following line of code deletes the
* SOAPBody object that is retrieved by the method
* getBody.
*
* se.getBody().detachNode();
*
* To create a SOAPHeader object to replace the one
* that was removed, a client uses the method
* SOAPEnvelope.addHeader, which creates a new header and
* adds it to the SOAPEnvelope object. Similarly, the
* method addBody creates a new SOAPBody
* object and adds it to the SOAPEnvelope object. The
* following code fragment retrieves the current header, removes
* it, and adds a new one. Then it retrieves the current body,
* removes it, and adds a new one.
*
* SOAPPart sp = message.getSOAPPart();
* SOAPEnvelope se = sp.getEnvelope();
* se.getHeader().detachNode();
* SOAPHeader sh = se.addHeader();
* se.getBody().detachNode();
* SOAPBody sb = se.addBody();
*
* It is an error to add a SOAPBody or
* SOAPHeader object if one already exists.
*
* The SOAPEnvelope interface provides three
* methods for creating Name objects. One method
* creates Name objects with a local name, a
* namespace prefix, and a namesapce URI. The second method
* creates Name objects with a local name and a
* namespace prefix, and the third creates Name
* objects with just a local name. The following line of code, in
* which se is a SOAPEnvelope object, creates
* a new Name object with all three.
*
* Name name = se.createName("GetLastTradePrice", "WOMBAT",
* "http://www.wombat.org/trader");
*
*/
public interface SOAPEnvelope extends SOAPElement {
/**
* Creates a new Name object initialized with the
* given local name, namespace prefix, and namespace URI.
*
* This factory method creates Name objects
* for use in the SOAP/XML document.
* @param localName a String giving
* the local name
* @param prefix a String giving
* the prefix of the namespace
* @param uri a String giving the
* URI of the namespace
* @return a Name object initialized with the given
* local name, namespace prefix, and namespace URI
* @throws SOAPException if there is a SOAP error
*/
public abstract Name createName(String localName, String prefix, String uri)
throws SOAPException;
/**
* Creates a new Name object initialized with the
* given local name.
*
*
This factory method creates Name objects
* for use in the SOAP/XML document.
*
* @param localName a String giving
* the local name
* @return a Name object initialized with the given
* local name
* @throws SOAPException if there is a SOAP error
*/
public abstract Name createName(String localName) throws SOAPException;
/**
* Returns the SOAPHeader object for this
* SOAPEnvelope object.
*
*
A new SOAPMessage object is by default
* created with a SOAPEnvelope object that
* contains an empty SOAPHeader object. As a
* result, the method getHeader will always
* return a SOAPHeader object unless the header
* has been removed and a new one has not been added.
* @return the SOAPHeader object or
* null if there is none
* @throws SOAPException if there is a problem
* obtaining the SOAPHeader object
*/
public abstract SOAPHeader getHeader() throws SOAPException;
/**
* Returns the SOAPBody object associated with
* this SOAPEnvelope object.
*
*
A new SOAPMessage object is by default
* created with a SOAPEnvelope object that
* contains an empty SOAPBody object. As a
* result, the method getBody will always return
* a SOAPBody object unless the body has been
* removed and a new one has not been added.
* @return the SOAPBody object for this
* SOAPEnvelope object or null if there
* is none
* @throws SOAPException if there is a problem
* obtaining the SOAPBody object
*/
public abstract SOAPBody getBody() throws SOAPException;
/**
* Creates a SOAPHeader object and sets it as the
* SOAPHeader object for this
* SOAPEnvelope object.
*
*
It is illegal to add a header when the envelope already
* contains a header. Therefore, this method should be called
* only after the existing header has been removed.
* @return the new SOAPHeader object
* @throws SOAPException if this
* SOAPEnvelope object already contains a valid
* SOAPHeader object
*/
public abstract SOAPHeader addHeader() throws SOAPException;
/**
* Creates a SOAPBody object and sets it as the
* SOAPBody object for this
* SOAPEnvelope object.
*
*
It is illegal to add a body when the envelope already
* contains a body. Therefore, this method should be called
* only after the existing body has been removed.
* @return the new SOAPBody object
* @throws SOAPException if this
* SOAPEnvelope object already contains a valid
* SOAPBody object
*/
public abstract SOAPBody addBody() throws SOAPException;
}