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Library for common XD* operations and objects
/*
* Copyright (c) 2010, NHIN Direct Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the the NHIN Direct Project (nhindirect.org)
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.nhindirect.xd.soap;
import java.io.ByteArrayOutputStream;
import java.lang.management.ManagementFactory;
import java.net.URI;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.servlet.ServletRequest;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPHeader;
import javax.xml.soap.SOAPHeaderElement;
import javax.xml.soap.SOAPMessage;
import javax.xml.soap.SOAPPart;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nhindirect.xd.soap.type.MetadataLevelEnum;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* This class handles the SOAP-Requests before they reach the Web Service
* Operation. It is possible to read and manipulate the SOAP-Message.
*
* @author Siegfried Bolz
*/
public class DirectSOAPHandler implements SOAPHandler
{
private static final Log LOGGER = LogFactory.getFactory().getInstance(DirectSOAPHandler.class);
public static final String ENDPOINT_ADDRESS = "javax.xml.ws.service.endpoint.address";
/**
* Is called after constructing the handler and before executing any othe
* method.
*/
@PostConstruct
public void init()
{
}
/*
* (non-Javadoc)
*
* @see javax.xml.ws.handler.Handler#close(javax.xml.ws.handler.MessageContext)
*/
@Override
public void close(MessageContext messageContext)
{
}
/**
* Is executed before this handler is being destroyed - means after close()
* has been executed.
*/
@PreDestroy
public void destroy()
{
}
/**
* This method handles the incoming and outgoing SOAP-Message. It's an
* excellent point to manipulate the SOAP.
*
* @param SOAPMessageContext
* The SOAPMessageContext object.
* @return true for successful handling, false otherwise.
*/
@Override
public boolean handleMessage(SOAPMessageContext context)
{
LOGGER.info("Entering DirectSOAPHandler.handleMessage(SOAPMessageContext)");
// Inquire incoming or outgoing message.
boolean outbound = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
try
{
if (outbound)
{
LOGGER.info("Handling an outbound message");
boolean isACK = !context.containsKey(ENDPOINT_ADDRESS);
SafeThreadData threadData = SafeThreadData.GetThreadInstance(Thread.currentThread().getId());
SOAPMessage msg = ((SOAPMessageContext) context).getMessage();
dumpSOAPMessage(msg);
SOAPPart sp = msg.getSOAPPart();
// edit Envelope
SOAPEnvelope env = sp.getEnvelope();
SOAPHeader sh = env.addHeader();
@SuppressWarnings("unused")
SOAPBody sb = env.getBody();
try{
if (threadData.getAction() != null)
{
QName qname = new QName("http://www.w3.org/2005/08/addressing", "Action");
SOAPHeaderElement saction = sh.addHeaderElement(qname);
boolean must = true;
saction.setMustUnderstand(must);
saction.setValue(threadData.getAction());
}
if (threadData.getRelatesTo() != null)
{
QName qname = new QName("http://www.w3.org/2005/08/addressing", "RelatesTo");
SOAPHeaderElement relates = sh.addHeaderElement(qname);
relates.setValue(threadData.getRelatesTo());
}
if (threadData.getFrom() != null)
{
QName qname = new QName("http://www.w3.org/2005/08/addressing", "From");
QName child = new QName("http://www.w3.org/2005/08/addressing", "Address");
SOAPHeaderElement efrom = sh.addHeaderElement(qname);
SOAPElement address = efrom.addChildElement(child);
address.setValue(threadData.getFrom());
}
if (threadData.getMessageId() != null)
{
QName qname = new QName("http://www.w3.org/2005/08/addressing", "MessageID");
SOAPHeaderElement message = sh.addHeaderElement(qname);
message.setValue(threadData.getMessageId());
}
if (threadData.getTo() != null)
{
QName qname = new QName("http://www.w3.org/2005/08/addressing", "To");
SOAPHeaderElement sto = sh.addHeaderElement(qname);
sto.setValue(threadData.getTo());
}
SOAPHeaderElement directHeader = sh.addHeaderElement(new QName("urn:direct:addressing", "addressBlock"));
directHeader.setPrefix("direct");
directHeader.setRole("urn:direct:addressing:destination");
directHeader.setRelay(true);
if (StringUtils.isNotBlank(threadData.getDirectFrom()))
{
SOAPElement directFromElement = directHeader.addChildElement(new QName("from"));
directFromElement.setPrefix("direct");
URI uri = new URI(threadData.getDirectFrom());
directFromElement.setValue((new URI("mailto", uri.getSchemeSpecificPart(), null)).toString());
}
if (StringUtils.isNotBlank(threadData.getDirectTo()))
{
/**
* consider multiple recipients
*/
String[] directTos = threadData.getDirectTo().split(";");
for (String directToAddr : directTos){
SOAPElement directToElement = directHeader.addChildElement(new QName("to"));
directToElement.setPrefix("direct");
URI uri = new URI(directToAddr);
directToElement.setValue((new URI("mailto", uri.getSchemeSpecificPart(), null)).toString());
}
}
SOAPElement directMetadataLevelElement = directHeader.addChildElement(new QName("metadata-level"));
directMetadataLevelElement.setPrefix("direct");
directMetadataLevelElement.setValue(MetadataLevelEnum.MINIMAL.getLevel());
} catch (Throwable tb){
if (LOGGER.isDebugEnabled()){
LOGGER.debug("Failed to write SOAP Header", tb);
} else{
LOGGER.error("Failed to write SOAP Header: " + tb.getMessage());
}
}
if (isACK){
SafeThreadData.clean(Thread.currentThread().getId());
}
}
else
{
LOGGER.info("Handling an inbound message");
SafeThreadData threadData = SafeThreadData.GetThreadInstance(Thread.currentThread().getId());
SOAPMessage msg = ((SOAPMessageContext) context).getMessage();
ServletRequest sr = (ServletRequest) context.get(MessageContext.SERVLET_REQUEST);
if (sr != null)
{
threadData.setRemoteHost( sr.getRemoteHost() );
threadData.setThisHost( sr.getServerName() );
threadData.setPid( getPID() );
}
SOAPPart sp = msg.getSOAPPart();
// edit Envelope
SOAPEnvelope env = sp.getEnvelope();
SOAPHeader sh = env.getHeader();
@SuppressWarnings("unchecked")
Iterator it = sh.extractAllHeaderElements();
while (it.hasNext())
{
try{
Node header = it.next();
if (StringUtils.contains(header.toString(), "MessageID"))
{
threadData.setMessageId(header.getTextContent());
}
else if (StringUtils.contains(header.toString(), "Action"))
{
threadData.setAction(header.getTextContent());
}
else if (StringUtils.contains(header.toString(), "RelatesTo"))
{
threadData.setRelatesTo(header.getTextContent());
}
else if (StringUtils.contains(header.toString(), "ReplyTo"))
{
NodeList reps = header.getChildNodes();
for (int i = 0; i < reps.getLength(); i++)
{
Node address = reps.item(i);
if (StringUtils.contains(address.getNodeName(), "Address"))
{
threadData.setEndpoint(address.getTextContent());
}
}
}
else if (StringUtils.contains(header.toString(), "From"))
{
NodeList reps = header.getChildNodes();
for (int i = 0; i < reps.getLength(); i++)
{
Node address = reps.item(i);
if (StringUtils.contains(address.getNodeName(), "Address"))
{
threadData.setFrom(address.getTextContent());
}
}
}
else if (StringUtils.contains(header.toString(), "To")) // must be after ReplyTo
{
threadData.setTo(header.getTextContent());
}
else if (StringUtils.contains(header.toString(), "addressBlock"))
{
NodeList childNodes = header.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++)
{
Node node = childNodes.item(i);
if (StringUtils.contains(node.getNodeName(), "from"))
{
threadData.setDirectFrom(node.getTextContent());
}
else if (StringUtils.contains(node.getNodeName(), "to"))
{
String recipient = node.getTextContent();
if (threadData.getDirectTo() == null){
threadData.setDirectTo(recipient);
} else{
/**
* if multiple recipients, save addresses in one parameters separate by (;)
*/
threadData.setDirectTo( threadData.getDirectTo() + ";" + recipient);
}
}
else if (StringUtils.contains(node.getNodeName(), "metadata-level"))
{
threadData.setDirectMetadataLevel(node.getTextContent());
}
}
}
} catch (Throwable tb){
if (LOGGER.isDebugEnabled()){
LOGGER.debug("Failed to read input parameter.", tb);
} else{
LOGGER.error("Failed to read input parameter.");
}
}
}
threadData.save();
}
}
catch (Exception e)
{
LOGGER.warn("Error handling SOAP message.", e);
return false;
}
return true;
}
/*
* (non-Javadoc)
*
* @see javax.xml.ws.handler.soap.SOAPHandler#getHeaders()
*/
@Override
public Set getHeaders()
{
Set set = new HashSet();
set.add(new QName("http://www.w3.org/2005/08/addressing", "Action"));
set.add(new QName("http://www.w3.org/2005/08/addressing", "MessageID"));
set.add(new QName("http://www.w3.org/2005/08/addressing", "To"));
set.add(new QName("http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd", "Security"));
return set;
}
/**
* Returns the message encoding (e.g. utf-8).
*
* @param msg
* The SOAPMessage object.
* @return the message encoding.
* @throws javax.xml.soap.SOAPException
*/
protected String getMessageEncoding(SOAPMessage msg) throws SOAPException
{
String encoding = "utf-8";
if (msg.getProperty(SOAPMessage.CHARACTER_SET_ENCODING) != null)
{
encoding = msg.getProperty(SOAPMessage.CHARACTER_SET_ENCODING).toString();
}
return encoding;
}
/**
* Dump SOAP Message to console.
*
* @param msg
* The SOAPMessage object.
*/
protected void dumpSOAPMessage(SOAPMessage msg)
{
if (msg == null)
{
LOGGER.info("SOAP Message is null");
return;
}
LOGGER.info("");
LOGGER.info("--------------------");
LOGGER.info(" DUMP OF SOAP MESSAGE");
LOGGER.info("--------------------");
try
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
msg.writeTo(baos);
LOGGER.info(baos.toString(getMessageEncoding(msg)));
// show included values
String values = msg.getSOAPBody().getTextContent();
LOGGER.trace("Included values:" + values);
}
catch (Exception e)
{
LOGGER.warn("Unable to dump soap message.", e);
}
}
/*
* (non-Javadoc)
*
* @see javax.xml.ws.handler.Handler#handleFault(javax.xml.ws.handler.MessageContext)
*/
@Override
public boolean handleFault(SOAPMessageContext context)
{
LOGGER.info("ServerSOAPHandler.handleFault");
boolean outbound = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (outbound)
{
LOGGER.info("Direction=outbound (handleFault)");
}
else
{
LOGGER.info("Direction=inbound (handleFault)");
}
try
{
@SuppressWarnings("unused")
SOAPMessage msg = ((SOAPMessageContext) context).getMessage();
// dumpSOAPMessage(msg);
if (context.getMessage().getSOAPBody().getFault() != null)
{
String detailName = null;
try
{
detailName = context.getMessage().getSOAPBody().getFault().getDetail().getFirstChild()
.getLocalName();
LOGGER.info("detailName=" + detailName);
}
catch (Exception e)
{
LOGGER.warn("Unable to extract detailName", e);
}
}
}
catch (SOAPException e)
{
LOGGER.warn("Error handling fault", e);
}
return true;
}
/**
* Get the current process ID.
*
* @return the current process ID
*/
public String getPID()
{
String processName = ManagementFactory.getRuntimeMXBean().getName();
return processName.split("@")[0];
}
}
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