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package com.sun.xml.ws.policy.sourcemodel.attach;
import com.sun.xml.ws.policy.Policy;
import com.sun.xml.ws.policy.PolicyConstants;
import com.sun.xml.ws.policy.PolicyException;
import com.sun.xml.ws.policy.privateutil.LocalizationMessages;
import com.sun.xml.ws.policy.privateutil.PolicyLogger;
import com.sun.xml.ws.policy.sourcemodel.PolicyModelTranslator;
import com.sun.xml.ws.policy.sourcemodel.PolicyModelUnmarshaller;
import com.sun.xml.ws.policy.sourcemodel.PolicySourceModel;
import java.io.Reader;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.Location;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.Characters;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
/**
* Unmarshal external policy attachments.
*
* @author Fabian Ritzmann
*/
public class ExternalAttachmentsUnmarshaller {
private static final PolicyLogger LOGGER = PolicyLogger.getLogger(ExternalAttachmentsUnmarshaller.class);
public static final URI BINDING_ID;
public static final URI BINDING_OPERATION_ID;
public static final URI BINDING_OPERATION_INPUT_ID;
public static final URI BINDING_OPERATION_OUTPUT_ID;
public static final URI BINDING_OPERATION_FAULT_ID;
static {
try {
BINDING_ID = new URI("urn:uuid:c9bef600-0d7a-11de-abc1-0002a5d5c51b");
BINDING_OPERATION_ID = new URI("urn:uuid:62e66b60-0d7b-11de-a1a2-0002a5d5c51b");
BINDING_OPERATION_INPUT_ID = new URI("urn:uuid:730d8d20-0d7b-11de-84e9-0002a5d5c51b");
BINDING_OPERATION_OUTPUT_ID = new URI("urn:uuid:85b0f980-0d7b-11de-8e9d-0002a5d5c51b");
BINDING_OPERATION_FAULT_ID = new URI("urn:uuid:917cb060-0d7b-11de-9e80-0002a5d5c51b");
} catch (URISyntaxException e) {
throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0094_INVALID_URN()), e);
}
}
private static final QName POLICY_ATTACHMENT = new QName("http://www.w3.org/ns/ws-policy", "PolicyAttachment");
private static final QName APPLIES_TO = new QName("http://www.w3.org/ns/ws-policy", "AppliesTo");
private static final QName POLICY = new QName("http://www.w3.org/ns/ws-policy", "Policy");
private static final QName URI = new QName("http://www.w3.org/ns/ws-policy", "URI");
private static final QName POLICIES = new QName(PolicyConstants.SUN_MANAGEMENT_NAMESPACE, "Policies");
private static final XMLInputFactory XML_INPUT_FACTORY = XMLInputFactory.newInstance();
private static final PolicyModelUnmarshaller POLICY_UNMARSHALLER = PolicyModelUnmarshaller.getXmlUnmarshaller();
private final Map<URI, Policy> map = new HashMap<URI, Policy>();
private URI currentUri = null;
private Policy currentPolicy = null;
public static Map<URI, Policy> unmarshal(final Reader source) throws PolicyException {
LOGGER.entering(source);
try {
XMLEventReader reader = XML_INPUT_FACTORY.createXMLEventReader(source);
ExternalAttachmentsUnmarshaller instance = new ExternalAttachmentsUnmarshaller();
final Map<URI, Policy> map = instance.unmarshal(reader, null);
LOGGER.exiting(map);
return Collections.unmodifiableMap(map);
} catch (XMLStreamException ex) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0086_FAILED_CREATE_READER(source)), ex);
}
}
private Map<URI, Policy> unmarshal(final XMLEventReader reader, final StartElement parentElement) throws PolicyException {
XMLEvent event = null;
while (reader.hasNext()) {
try {
event = reader.peek();
switch (event.getEventType()) {
case XMLStreamConstants.START_DOCUMENT:
case XMLStreamConstants.COMMENT:
reader.nextEvent();
break;
case XMLStreamConstants.CHARACTERS:
processCharacters(event.asCharacters(), parentElement, map);
reader.nextEvent();
break;
case XMLStreamConstants.END_ELEMENT:
processEndTag(event.asEndElement(), parentElement);
reader.nextEvent();
return map;
case XMLStreamConstants.START_ELEMENT:
final StartElement element = event.asStartElement();
processStartTag(element, parentElement, reader, map);
break;
case XMLStreamConstants.END_DOCUMENT:
return map;
default:
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0087_UNKNOWN_EVENT(event)));
}
} catch (XMLStreamException e) {
final Location location = event == null ? null : event.getLocation();
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0088_FAILED_PARSE(location)), e);
}
}
return map;
}
private void processStartTag(final StartElement element, final StartElement parent,
final XMLEventReader reader, final Map<URI, Policy> map)
throws PolicyException {
try {
final QName name = element.getName();
if (parent == null) {
if (!name.equals(POLICIES)) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0089_EXPECTED_ELEMENT("<Policies>", name, element.getLocation())));
}
} else {
final QName parentName = parent.getName();
if (parentName.equals(POLICIES)) {
if (!name.equals(POLICY_ATTACHMENT)) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0089_EXPECTED_ELEMENT("<PolicyAttachment>", name, element.getLocation())));
}
} else if (parentName.equals(POLICY_ATTACHMENT)) {
if (name.equals(POLICY)) {
readPolicy(reader);
return;
} else if (!name.equals(APPLIES_TO)) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0089_EXPECTED_ELEMENT("<AppliesTo> or <Policy>", name, element.getLocation())));
}
} else if (parentName.equals(APPLIES_TO)) {
if (!name.equals(URI)) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0089_EXPECTED_ELEMENT("<URI>", name, element.getLocation())));
}
} else {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0090_UNEXPECTED_ELEMENT(name, element.getLocation())));
}
}
reader.nextEvent();
this.unmarshal(reader, element);
} catch (XMLStreamException e) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0088_FAILED_PARSE(element.getLocation()), e));
}
}
private void readPolicy(final XMLEventReader reader) throws PolicyException {
final PolicySourceModel policyModel = POLICY_UNMARSHALLER.unmarshalModel(reader);
final PolicyModelTranslator translator = PolicyModelTranslator.getTranslator();
final Policy policy = translator.translate(policyModel);
if (this.currentUri != null) {
map.put(this.currentUri, policy);
this.currentUri = null;
this.currentPolicy = null;
}
else {
this.currentPolicy = policy;
}
}
private void processEndTag(EndElement element, StartElement startElement) throws PolicyException {
checkEndTagName(startElement.getName(), element);
}
private void checkEndTagName(final QName expectedName, final EndElement element) throws PolicyException {
final QName actualName = element.getName();
if (!expectedName.equals(actualName)) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0091_END_ELEMENT_NO_MATCH(expectedName, element, element.getLocation())));
}
}
private void processCharacters(final Characters chars, final StartElement currentElement, final Map<URI, Policy> map)
throws PolicyException {
if (chars.isWhiteSpace()) {
return;
}
else {
final String data = chars.getData();
if ((currentElement != null) && URI.equals(currentElement.getName())) {
processUri(chars, map);
return;
} else {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0092_CHARACTER_DATA_UNEXPECTED(currentElement, data, chars.getLocation())));
}
}
}
private void processUri(final Characters chars, final Map<URI, Policy> map) throws PolicyException {
final String data = chars.getData().trim();
try {
final URI uri = new URI(data);
if (this.currentPolicy != null) {
map.put(uri, this.currentPolicy);
this.currentUri = null;
this.currentPolicy = null;
} else {
this.currentUri = uri;
}
} catch (URISyntaxException e) {
throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0093_INVALID_URI(data, chars.getLocation())), e);
}
}
}