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/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.switchyard.component.soap.composer;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Pattern;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPHeader;
import javax.xml.soap.SOAPHeaderElement;
import javax.xml.soap.SOAPMessage;
import org.switchyard.Context;
import org.switchyard.Property;
import org.switchyard.Scope;
import org.switchyard.common.io.pull.ElementPuller;
import org.switchyard.common.lang.Strings;
import org.switchyard.common.xml.XMLHelper;
import org.switchyard.component.common.composer.BaseRegexContextMapper;
import org.switchyard.component.common.label.ComponentLabel;
import org.switchyard.component.common.label.EndpointLabel;
import org.switchyard.config.Configuration;
import org.switchyard.config.ConfigurationPuller;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* SOAPContextMapper.
*
* @author David Ward <[email protected]> (C) 2011 Red Hat Inc.
* @author Magesh Kumar B (C) 2012 Red Hat Inc.
*/
public class SOAPContextMapper extends BaseRegexContextMapper {
/**
* The HTTP responce code.
*/
public static final String HTTP_RESPONSE_STATUS = "http_response_status";
/**
* Headers to be excluded.
*/
public static final List HTTP_HEADERS_EXCLUDED = Arrays.asList(new String[]{"content-type", "content-length"});
private static final String[] SOAP_HEADER_LABELS = new String[]{ComponentLabel.SOAP.label(), EndpointLabel.SOAP.label()};
private static final String[] SOAP_MIME_LABELS = new String[]{ComponentLabel.SOAP.label(), EndpointLabel.HTTP.label()};
private static final String HEADER_NAMESPACE_PROPAGATION = "org.switchyard.propagate.property";
private SOAPHeadersType _soapHeadersType = null;
/**
* Gets the SOAPHeadersType.
* @return the SOAPHeadersType
*/
public SOAPHeadersType getSOAPHeadersType() {
return _soapHeadersType;
}
/**
* Sets the SOAPHeadersType.
* @param soapHeadersType the SOAPHeadersType
* @return this instance (useful for chaining)
*/
public SOAPContextMapper setSOAPHeadersType(SOAPHeadersType soapHeadersType) {
_soapHeadersType = soapHeadersType;
return this;
}
/**
* {@inheritDoc}
*/
@Override
public void mapFrom(SOAPBindingData source, Context context) throws Exception {
super.mapFrom(source, context);
SOAPMessage soapMessage = source.getSOAPMessage();
if (soapMessage.getSOAPBody().hasFault() && (source.getSOAPFaultInfo() != null)) {
context.setProperty(SOAPComposition.SOAP_FAULT_INFO, source.getSOAPFaultInfo(), Scope.EXCHANGE).addLabels(SOAP_HEADER_LABELS);
}
if (source.getStatus() != null) {
context.setProperty(HTTP_RESPONSE_STATUS, source.getStatus()).addLabels(SOAP_MIME_LABELS);
}
for (String key : source.getHttpHeaders().keySet()) {
if (matches(key)) {
List values = source.getHttpHeaders().get(key);
if (values != null) {
if (values.size() == 1) {
context.setProperty(key, values.get(0)).addLabels(SOAP_MIME_LABELS);
} else {
context.setProperty(key, values).addLabels(SOAP_MIME_LABELS);
}
copyHttpHeadersToContext(context, key, values);
}
}
}
@SuppressWarnings("unchecked")
Iterator soapHeaders = soapMessage.getSOAPHeader().examineAllHeaderElements();
while (soapHeaders.hasNext()) {
SOAPHeaderElement soapHeader = soapHeaders.next();
QName qname = soapHeader.getElementQName();
if (matches(qname)) {
final Object value;
switch (_soapHeadersType != null ? _soapHeadersType : SOAPHeadersType.VALUE) {
case CONFIG:
value = new ConfigurationPuller().pull(soapHeader);
break;
case DOM:
value = soapHeader;
break;
case VALUE:
value = soapHeader.getValue();
break;
case XML:
value = new ConfigurationPuller().pull(soapHeader).toString();
break;
default:
value = null;
}
if (value != null) {
String name = qname.toString();
context.setProperty(name, value).addLabels(SOAP_HEADER_LABELS);
copySOAPHeadersToContext(context, qname.getLocalPart(), value);
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void mapTo(Context context, SOAPBindingData target) throws Exception {
super.mapTo(context, target);
SOAPMessage soapMessage = target.getSOAPMessage();
SOAPHeader soapHeader = soapMessage.getSOAPHeader();
for (Property property : context.getProperties()) {
Object value = property.getValue();
if (value != null) {
String name = property.getName();
QName qname = XMLHelper.createQName(name);
boolean qualifiedForSoapHeader = Strings.trimToNull(qname.getNamespaceURI()) != null;
if (qualifiedForSoapHeader && matches(qname)) {
if (value instanceof Node) {
Node domNode = soapHeader.getOwnerDocument().importNode((Node)value, true);
soapHeader.appendChild(domNode);
} else if (value instanceof Configuration) {
Element configElement = new ElementPuller().pull(new StringReader(value.toString()));
Node configNode = soapHeader.getOwnerDocument().importNode(configElement, true);
soapHeader.appendChild(configNode);
} else {
String v = value.toString();
if (SOAPHeadersType.XML.equals(_soapHeadersType)) {
try {
Element xmlElement = new ElementPuller().pull(new StringReader(v));
Node xmlNode = soapHeader.getOwnerDocument().importNode(xmlElement, true);
soapHeader.appendChild(xmlNode);
} catch (Throwable t) {
soapHeader.addChildElement(qname).setValue(v);
}
} else {
soapHeader.addChildElement(qname).setValue(v);
}
}
} else if (matches(name) || property.hasLabel(EndpointLabel.HTTP.label())) {
if (HTTP_RESPONSE_STATUS.equalsIgnoreCase(name)) {
if (value instanceof String) {
target.setStatus(Integer.parseInt((String) value));
} else if (value instanceof Integer) {
target.setStatus((Integer) value);
}
} else if (HTTP_HEADERS_EXCLUDED.contains(name.toLowerCase())) {
// Excluding HTTP headers which should not be set manually
continue;
} else {
if (value instanceof List) {
List stringValues = new ArrayList();
for (Object v : List.class.cast(value)) {
if (v == null || v instanceof String) {
stringValues.add((String)v);
}
}
if (!stringValues.isEmpty()) {
target.getHttpHeaders().put(name, stringValues);
}
} else if (value instanceof String) {
target.getHttpHeaders().put(name, Collections.singletonList((String)value));
}
}
} else {
copyToSOAPHeader(soapHeader, property);
}
}
}
}
private void copyHttpHeadersToContext(Context context, String name, List values) {
if (values.size() == 1) {
context.setProperty(name, values.get(0), Scope.EXCHANGE).addLabels(SOAP_MIME_LABELS);
} else {
context.setProperty(name, values, Scope.EXCHANGE).addLabels(SOAP_MIME_LABELS);
}
}
private void copySOAPHeadersToContext(Context context, String name, Object value) {
if (matches(name, getIncludeRegexes(), new ArrayList())) {
context.setProperty(name, value, Scope.EXCHANGE).addLabels(SOAP_HEADER_LABELS);
}
}
private void copyToSOAPHeader(SOAPHeader soapHeader, Property property) throws IOException, SOAPException {
if ((property != null) && (matches(property.getName(), getIncludeRegexes(), new ArrayList()))) {
String v = property.getValue().toString();
QName qname = new QName(HEADER_NAMESPACE_PROPAGATION, property.getName());
if (SOAPHeadersType.XML.equals(_soapHeadersType)) {
try {
Element xmlElement = new ElementPuller().pull(new StringReader(v));
Node xmlNode = soapHeader.getOwnerDocument().importNode(xmlElement, true);
soapHeader.appendChild(xmlNode);
} catch (Throwable t) {
soapHeader.addChildElement(qname).setValue(v);
}
} else {
soapHeader.addChildElement(qname).setValue(v);
}
}
}
}
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