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package fromwsdl.soap12.fault.client.handlers;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.soap.*;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
/**
* Simple handler to add headers to an outgoing message.
*/
public class MUHelperHandler implements SOAPHandler<SOAPMessageContext> {
private List<HelperHandlerHeaderHolder> holders;
private List<QName> expectedHeaders;
public MUHelperHandler() {
clearAll();
}
public void clearAll() {
holders = new ArrayList<HelperHandlerHeaderHolder>();
expectedHeaders = null;
}
/*
* This qname will be set on the outgoing message with
* MU set to true, targeted at the role.
*/
public void setMUHeader(QName qname, String role) {
holders.add(new HelperHandlerHeaderHolder(qname, role));
}
/*
* This tells the handler to check the headers in the
* response. The response should have header elements
* containing the NotUnderstood QNames.
*/
public void setExpectedHeaders(List<QName> expectedHeaders) {
this.expectedHeaders = expectedHeaders;
}
/*
* A getter in case the test needs to check.
*/
public List<QName> getExpectedHeaders() {
return expectedHeaders;
}
/*
* The real work happens here.
*/
public boolean handleMessage(SOAPMessageContext smc) {
if (smc.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY) == Boolean.FALSE) {
if (expectedHeaders != null) {
return checkHeader(smc);
}
return true;
}
try {
SOAPMessage message = smc.getMessage();
SOAPEnvelope envelope = message.getSOAPPart().getEnvelope();
SOAPHeader header = envelope.getHeader();
if (header == null) { // should be null originally
header = envelope.addHeader();
}
SOAPHeaderElement element = null;
for (HelperHandlerHeaderHolder holder : holders) {
element = header.addHeaderElement(holder.getHeader());
element.setActor(holder.getRole());
element.setMustUnderstand(true);
}
return true;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/*
* Check the headers for expected NotUnderstood QNames.
*/
private boolean checkHeader(SOAPMessageContext smc) {
try {
SOAPMessage message = smc.getMessage();
SOAPEnvelope envelope = message.getSOAPPart().getEnvelope();
Name attName = envelope.createName("qname");
SOAPHeader header = envelope.getHeader();
if (header == null) {
throw new RuntimeException("no headers in response message");
}
List<QName> badHeaders = new ArrayList<QName>();
Iterator iter = header.examineAllHeaderElements();
while (iter.hasNext()) {
SOAPHeaderElement she = (SOAPHeaderElement) iter.next();
String attValue = she.getAttributeValue(attName);
int sep = attValue.indexOf(":");
String prefix = attValue.substring(0, sep);
String local = attValue.substring(sep + 1, attValue.length());
String uri = she.getNamespaceURI(prefix);
badHeaders.add(new QName(uri, local));
}
compareQNames(expectedHeaders, badHeaders);
return true;
} catch (SOAPException se) {
throw new RuntimeException(se);
}
}
/*
* If one is missing, try to send a useful message.
*/
private void compareQNames(List<QName> expected, List<QName> target) {
if (expected.size() != target.size()) {
System.err.println("expecting " + expected.size() +
" headers returned, received " + target.size());
throw new RuntimeException("received wrong number of headers");
}
for (QName header : expected) {
if (!target.contains(header)) {
throw new RuntimeException("header " + header +
" not found in returned headers");
}
}
}
/***** other handler methods stubbed out *****/
public Set<QName> getHeaders() {
return null;
}
public void close(MessageContext messageContext) {}
public boolean handleFault(SOAPMessageContext smc) {
return true;
}
// the name says it all
static class HelperHandlerHeaderHolder {
private QName headerToAdd;
private String roleToTarget;
public HelperHandlerHeaderHolder(QName header, String role) {
headerToAdd = header;
roleToTarget = role;
}
public QName getHeader() {
return headerToAdd;
}
public String getRole() {
return roleToTarget;
}
}
}