public Composite read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
Composite composite = null;
Composite include = null;
Component component = null;
Property property = null;
ComponentService componentService = null;
ComponentReference componentReference = null;
ComponentProperty componentProperty = null;
CompositeService compositeService = null;
CompositeReference compositeReference = null;
Contract contract = null;
Wire wire = null;
Callback callback = null;
QName name = null;
// Read the composite document
while (reader.hasNext()) {
int event = reader.getEventType();
switch (event) {
case START_ELEMENT:
name = reader.getName();
if (COMPOSITE_QNAME.equals(name)) {
// Read a <composite>
composite = assemblyFactory.createComposite();
composite.setName(new QName(getString(reader, TARGET_NAMESPACE), getString(reader, NAME)));
if(isSet(reader, AUTOWIRE)) {
composite.setAutowire(getBoolean(reader, AUTOWIRE));
}
composite.setLocal(getBoolean(reader, LOCAL));
composite.setConstrainingType(readConstrainingType(reader));
policyProcessor.readPolicies(composite, reader);
} else if (INCLUDE_QNAME.equals(name)) {
// Read an <include>
include = assemblyFactory.createComposite();
include.setName(getQName(reader, NAME));
include.setURI(getString(reader, URI));
include.setUnresolved(true);
composite.getIncludes().add(include);
} else if (SERVICE_QNAME.equals(name)) {
if (component != null) {
// Read a <component><service>
componentService = assemblyFactory.createComponentService();
contract = componentService;
componentService.setName(getString(reader, NAME));
component.getServices().add(componentService);
policyProcessor.readPolicies(contract, reader);
} else {
// Read a <composite><service>
compositeService = assemblyFactory.createCompositeService();
contract = compositeService;
compositeService.setName(getString(reader, NAME));
String promoted = getString(reader, PROMOTE);
String promotedComponentName;
String promotedServiceName;
int s = promoted.indexOf('/');
if (s == -1) {
promotedComponentName = promoted;
promotedServiceName = null;
} else {
promotedComponentName = promoted.substring(0, s);
promotedServiceName = promoted.substring(s + 1);
}
Component promotedComponent = assemblyFactory.createComponent();
promotedComponent.setUnresolved(true);
promotedComponent.setName(promotedComponentName);
compositeService.setPromotedComponent(promotedComponent);
ComponentService promotedService = assemblyFactory.createComponentService();
promotedService.setUnresolved(true);
promotedService.setName(promotedServiceName);
compositeService.setPromotedService(promotedService);
composite.getServices().add(compositeService);
policyProcessor.readPolicies(contract, reader);
}
} else if (REFERENCE_QNAME.equals(name)) {
if (component != null) {
// Read a <component><reference>
componentReference = assemblyFactory.createComponentReference();
contract = componentReference;
componentReference.setName(getString(reader, NAME));
readMultiplicity(componentReference, reader);
if (isSet(reader, AUTOWIRE)) {
componentReference.setAutowire(getBoolean(reader, AUTOWIRE));
}
readTargets(componentReference, reader);
componentReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL));
component.getReferences().add(componentReference);
policyProcessor.readPolicies(contract, reader);
} else {
// Read a <composite><reference>
compositeReference = assemblyFactory.createCompositeReference();
contract = compositeReference;
compositeReference.setName(getString(reader, NAME));
readMultiplicity(compositeReference, reader);
readTargets(compositeReference, reader);
String promote = reader.getAttributeValue(null, Constants.PROMOTE);
if (promote != null) {
for (StringTokenizer tokens = new StringTokenizer(promote); tokens.hasMoreTokens();) {
ComponentReference promotedReference =
assemblyFactory.createComponentReference();
promotedReference.setUnresolved(true);
promotedReference.setName(tokens.nextToken());
compositeReference.getPromotedReferences().add(promotedReference);
}
}
compositeReference.setWiredByImpl(getBoolean(reader, WIRED_BY_IMPL));
composite.getReferences().add(compositeReference);
policyProcessor.readPolicies(contract, reader);
}
} else if (PROPERTY_QNAME.equals(name)) {
if (component != null) {
// Read a <component><property>
componentProperty = assemblyFactory.createComponentProperty();
property = componentProperty;
String source = getString(reader, SOURCE);
if(source!=null) {
source = source.trim();
}
componentProperty.setSource(source);
if (source != null) {
// $<name>/...
if (source.charAt(0) == '$') {
int index = source.indexOf('/');
if (index == -1) {
// Tolerating $prop
source = source + "/";
index = source.length() - 1;
}
source = source.substring(index + 1);
if ("".equals(source)) {
source = ".";
}
}
XPath xpath = xPathFactory.newXPath();
xpath.setNamespaceContext(reader.getNamespaceContext());
try {
componentProperty.setSourceXPathExpression(xpath.compile(source));
} catch (XPathExpressionException e) {
throw new ContributionReadException(e);
}
}
componentProperty.setFile(getString(reader, FILE));
policyProcessor.readPolicies(property, reader);
readAbstractProperty(componentProperty, reader);
// Read the property value
Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), reader);
property.setValue(value);
component.getProperties().add(componentProperty);
} else {
// Read a <composite><property>
property = assemblyFactory.createProperty();
policyProcessor.readPolicies(property, reader);
readAbstractProperty(property, reader);
// Read the property value
Document value = readPropertyValue(property.getXSDElement(), property.getXSDType(), reader);
property.setValue(value);
composite.getProperties().add(property);
}
// TUSCANY-1949
// If the proerty doesn't have a value, the END_ELEMENT event is read by the readPropertyValue
if (reader.getEventType() == END_ELEMENT && PROPERTY_QNAME.equals(reader.getName())) {
property = null;
componentProperty = null;
}
} else if (COMPONENT_QNAME.equals(name)) {
// Read a <component>
component = assemblyFactory.createComponent();
component.setName(getString(reader, NAME));
if (isSet(reader, AUTOWIRE)) {
component.setAutowire(getBoolean(reader, AUTOWIRE));
}
if (isSet(reader, URI)) {
component.setURI(getString(reader, URI));
}
component.setConstrainingType(readConstrainingType(reader));
composite.getComponents().add(component);
policyProcessor.readPolicies(component, reader);
} else if (WIRE_QNAME.equals(name)) {
// Read a <wire>
wire = assemblyFactory.createWire();
ComponentReference source = assemblyFactory.createComponentReference();
source.setUnresolved(true);
source.setName(getString(reader, SOURCE));
wire.setSource(source);
ComponentService target = assemblyFactory.createComponentService();
target.setUnresolved(true);
target.setName(getString(reader, TARGET));
wire.setTarget(target);
composite.getWires().add(wire);
policyProcessor.readPolicies(wire, reader);