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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.axiom.soap.impl.dom;
import org.apache.axiom.om.OMConstants;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.OMXMLParserWrapper;
import org.apache.axiom.om.impl.MTOMXMLStreamWriter;
import org.apache.axiom.om.impl.dom.DocumentImpl;
import org.apache.axiom.om.impl.dom.NodeImpl;
import org.apache.axiom.om.impl.util.OMSerializerUtil;
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axiom.soap.SOAP12Constants;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axiom.soap.SOAPConstants;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axiom.soap.SOAPHeader;
import org.apache.axiom.soap.SOAPProcessingException;
import org.apache.axiom.soap.SOAPVersion;
import org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder;
import org.apache.axiom.soap.impl.dom.factory.DOMSOAPFactory;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
public class SOAPEnvelopeImpl extends SOAPElement implements SOAPEnvelope,
OMConstants {
private static final QName HEADER_QNAME = new QName(SOAPConstants.HEADER_LOCAL_NAME);
/** @param builder */
public SOAPEnvelopeImpl(OMXMLParserWrapper builder, SOAPFactory factory) {
super(null, SOAPConstants.SOAPENVELOPE_LOCAL_NAME, builder, factory);
}
public SOAPEnvelopeImpl(DocumentImpl doc, OMXMLParserWrapper builder, SOAPFactory factory) {
super(
doc,
SOAPConstants.SOAPENVELOPE_LOCAL_NAME,
null,
builder, factory);
}
/** @param ns */
public SOAPEnvelopeImpl(OMNamespace ns, SOAPFactory factory) {
super(((DOMSOAPFactory) factory).getDocument(),
SOAPConstants.SOAPENVELOPE_LOCAL_NAME, ns, factory);
this.getOwnerDocument().appendChild(this);
}
public SOAPVersion getVersion() {
return ((SOAPFactory)factory).getSOAPVersion();
}
/**
* Returns the SOAPHeader object for this SOAPEnvelope object.
*
* This SOAPHeader will just be a container for all the headers in the OMMessage
*
*
* @return the SOAPHeader object or null if there is none
* @throws org.apache.axiom.om.OMException
* if there is a problem obtaining the SOAPHeader object
* @throws OMException
*/
public SOAPHeader getHeader() throws OMException {
// Header must be the first child
OMElement header = getFirstElement();
if (header == null || !(header instanceof SOAPHeader)) {
return null;
}
return (SOAPHeader) header;
}
public void addChild(OMNode child) {
if ((child instanceof OMElement)
&& !(child instanceof SOAPHeader || child instanceof SOAPBody)) {
throw new SOAPProcessingException(
"SOAP Envelope can not have children other than SOAP Header and Body",
SOAP12Constants.FAULT_CODE_SENDER);
} else {
if (this.done && (child instanceof SOAPHeader)) {
SOAPBody body = getBody();
if (body != null) {
body.insertSiblingBefore(child);
return;
}
}
super.addChild(child);
}
}
/**
* Returns the SOAPBody object associated with this SOAPEnvelope
* object.
*
* This SOAPBody will just be a container for all the BodyElements in the OMMessage
*
*
* @return the SOAPBody object for this SOAPEnvelope object or
* null if there is none
* @throws org.apache.axiom.om.OMException
* if there is a problem obtaining the SOAPBody object
* @throws OMException
*/
public SOAPBody getBody() throws OMException {
// check for the first element
OMElement element = getFirstElement();
if (element != null) {
if (SOAPConstants.BODY_LOCAL_NAME.equals(element.getLocalName())) {
return (SOAPBody) element;
} else { // if not second element SHOULD be the body
OMNode node = element.getNextOMSibling();
while (node != null && node.getType() != OMNode.ELEMENT_NODE) {
node = node.getNextOMSibling();
}
element = (OMElement) node;
if (node != null
&& SOAPConstants.BODY_LOCAL_NAME.equals(element
.getLocalName())) {
return (SOAPBody) element;
}
/* else {
throw new OMException(
"SOAPEnvelope must contain a body element which is either first or second child element of the SOAPEnvelope.");
}*/
}
}
return null;
}
/**
* Method detach
*
* @throws OMException
*/
public OMNode detach() throws OMException {
throw new OMException("Root Element can not be detached");
}
protected void checkParent(OMElement parent) throws SOAPProcessingException {
// here do nothing as SOAPEnvelope doesn't have a parent !!!
}
protected void internalSerialize(XMLStreamWriter writer2, boolean cache)
throws XMLStreamException {
MTOMXMLStreamWriter writer = (MTOMXMLStreamWriter) writer2;
if (!writer.isIgnoreXMLDeclaration()) {
String charSetEncoding = writer.getCharSetEncoding();
String xmlVersion = writer.getXmlVersion();
writer.getXmlStreamWriter().writeStartDocument(
charSetEncoding == null ? OMConstants.DEFAULT_CHAR_SET_ENCODING
: charSetEncoding,
xmlVersion == null ? OMConstants.DEFAULT_XML_VERSION
: xmlVersion);
}
if (cache) {
//in this case we don't care whether the elements are built or not
//we just call the serializeAndConsume methods
OMSerializerUtil.serializeStartpart(this, writer);
//serialize children
SOAPHeader header = getHeader();
if ((header != null) && (header.getFirstOMChild() != null)) {
((SOAPHeaderImpl) header).internalSerialize(writer);
}
SOAPBody body = getBody();
//REVIEW: getBody has statements to return null..Can it be null in any case?
if (body != null) {
((org.apache.axiom.soap.impl.dom.SOAPBodyImpl) body).internalSerialize(writer);
}
OMSerializerUtil.serializeEndpart(writer);
} else {
//Now the caching is supposed to be off. However caching been switched off
//has nothing to do if the element is already built!
if (this.done || (this.builder == null)) {
OMSerializerUtil.serializeStartpart(this, writer);
OMElement header = getHeader();
if ((header != null) && (header.getFirstOMChild() != null)) {
serializeInternally((NodeImpl) header, writer);
}
SOAPBody body = getBody();
if (body != null) {
serializeInternally((NodeImpl) body, writer);
}
OMSerializerUtil.serializeEndpart(writer);
} else {
OMSerializerUtil.serializeByPullStream(this, writer, cache);
}
}
}
private void serializeInternally(NodeImpl child, MTOMXMLStreamWriter writer)
throws XMLStreamException {
if ((!(child instanceof OMElement)) || child.isComplete() || child.builder == null) {
child.internalSerializeAndConsume(writer);
} else {
OMElement element = (OMElement) child;
element.getBuilder().setCache(false);
OMSerializerUtil.serializeByPullStream(element, writer, false);
}
// child = (NodeImpl) child.getNextOMSibling();
}
public OMNode getNextOMSibling() throws OMException {
if (this.ownerNode != null && !this.ownerNode.isComplete()) {
this.ownerNode.setComplete(true);
}
return null;
}
public boolean hasFault() {
QName payloadQName = this.getPayloadQName_Optimized();
if (payloadQName != null) {
if (SOAPConstants.SOAPFAULT_LOCAL_NAME.equals(payloadQName.getLocalPart())) {
String ns = payloadQName.getNamespaceURI();
return (ns != null &&
(SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI.equals(ns) ||
SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI.equals(ns)));
}
}
// Fallback: Get the body and get the fault information from the body
SOAPBody body = this.getBody();
return (body == null) ? false : body.hasFault();
}
public String getSOAPBodyFirstElementLocalName() {
QName payloadQName = this.getPayloadQName_Optimized();
if (payloadQName != null) {
return payloadQName.getLocalPart();
}
SOAPBody body = this.getBody();
return (body == null) ? null : body.getFirstElementLocalName();
}
public OMNamespace getSOAPBodyFirstElementNS() {
QName payloadQName = this.getPayloadQName_Optimized();
if (payloadQName != null) {
return this.factory.createOMNamespace(payloadQName.getNamespaceURI(),
payloadQName.getPrefix());
}
SOAPBody body = this.getBody();
return (body == null) ? null : body.getFirstElementNS();
}
/**
* Use a parser property to fetch the first element in the body.
* Returns null if this optimized property is not set or not available.
* @return The qname of the first element in the body or null
*/
private QName getPayloadQName_Optimized() {
// The parser may expose a SOAPBODY_FIRST_CHILD_ELEMENT_QNAME property
// Use that QName to determine if there is a fault
OMXMLParserWrapper builder = this.getBuilder();
if (builder instanceof StAXSOAPModelBuilder) {
try {
QName payloadQName = (QName) ((StAXSOAPModelBuilder) builder).
getReaderProperty(SOAPConstants.SOAPBODY_FIRST_CHILD_ELEMENT_QNAME);
return payloadQName;
} catch (Throwable e) {
// The parser may not support this property.
// In such cases, processing continues below in the fallback approach
}
}
return null;
}
}
