/** JNDI object factory so the proxy can be used as a resource. */
public Object getObjectInstance(
Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
Reference ref = (Reference) obj;
String api = null;
String url = null;
String user = null;
String password = null;
for (int i = 0; i < ref.size(); i++) {
RefAddr addr = ref.get(i);
String type = addr.getType();
String value = (String) addr.getContent();
if (type.equals("type")) api = value;
else if (type.equals("url")) url = value;
else if (type.equals("user")) setUser(value);
else if (type.equals("password")) setPassword(value);
}
if (url == null) throw new NamingException("`url' must be configured for HessianProxyFactory.");
// XXX: could use meta protocol to grab this
if (api == null)
throw new NamingException("`type' must be configured for HessianProxyFactory.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class apiClass = Class.forName(api, false, loader);
return create(apiClass, url);
}
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Reference)) {
return false;
}
Reference oref = (Reference) o;
boolean idsEqual = (id == null ? oref.getId() == null : id.equals(oref.getId()));
boolean urisEqual = (uri == null ? oref.getURI() == null : uri.equals(oref.getURI()));
boolean typesEqual = (type == null ? oref.getType() == null : type.equals(oref.getType()));
boolean digestValuesEqual = Arrays.equals(digestValue, oref.getDigestValue());
return (digestMethod.equals(oref.getDigestMethod())
&& idsEqual
&& urisEqual
&& typesEqual
&& transforms.equals(oref.getTransforms()));
}
/**
* Write the xml for a {@link Reference}.
*
* @param reference
* @param contentHandler
* @throws SAXException
*/
protected static void generateXML(
final String namespace,
Reference reference,
ContentHandler contentHandler,
boolean isScrPrivateFile)
throws SAXException {
final AttributesImpl ai = new AttributesImpl();
IOUtils.addAttribute(ai, "name", reference.getName());
IOUtils.addAttribute(ai, "interface", reference.getInterfacename());
IOUtils.addAttribute(ai, "cardinality", reference.getCardinality());
IOUtils.addAttribute(ai, "policy", reference.getPolicy());
IOUtils.addAttribute(ai, "target", reference.getTarget());
IOUtils.addAttribute(ai, "bind", reference.getBind());
IOUtils.addAttribute(ai, "unbind", reference.getUnbind());
// attributes new in 1.1-felix (FELIX-1893)
if (NAMESPACE_URI_1_1_FELIX.equals(namespace)) {
IOUtils.addAttribute(ai, "updated", reference.getUpdated());
}
if (isScrPrivateFile) {
IOUtils.addAttribute(ai, "checked", String.valueOf(reference.isChecked()));
IOUtils.addAttribute(ai, "strategy", reference.getStrategy());
}
IOUtils.indent(contentHandler, 2);
contentHandler.startElement(
INNER_NAMESPACE_URI,
ComponentDescriptorIO.REFERENCE,
ComponentDescriptorIO.REFERENCE_QNAME,
ai);
contentHandler.endElement(
INNER_NAMESPACE_URI,
ComponentDescriptorIO.REFERENCE,
ComponentDescriptorIO.REFERENCE_QNAME);
IOUtils.newline(contentHandler);
}
public Reference createReference(Object bean) throws NamingException {
try {
BeanInfo bi = Introspector.getBeanInfo(bean.getClass());
PropertyDescriptor[] pds = bi.getPropertyDescriptors();
List refAddrs = new ArrayList();
String factoryClassLocation = defaultFactoryClassLocation;
boolean using_ref_props = referenceProperties.size() > 0;
// we only include this so that on dereference we are not surprised to find some properties
// missing
if (using_ref_props)
refAddrs.add(
new BinaryRefAddr(REF_PROPS_KEY, SerializableUtils.toByteArray(referenceProperties)));
for (int i = 0, len = pds.length; i < len; ++i) {
PropertyDescriptor pd = pds[i];
String propertyName = pd.getName();
// System.err.println("Making Reference: " + propertyName);
if (using_ref_props && !referenceProperties.contains(propertyName)) {
// System.err.println("Not a ref_prop -- continuing.");
continue;
}
Class propertyType = pd.getPropertyType();
Method getter = pd.getReadMethod();
Method setter = pd.getWriteMethod();
if (getter != null
&& setter != null) // only use properties that are both readable and writable
{
Object val = getter.invoke(bean, EMPTY_ARGS);
// System.err.println( "val: " + val );
if (propertyName.equals("factoryClassLocation")) {
if (String.class != propertyType)
throw new NamingException(
this.getClass().getName()
+ " requires a factoryClassLocation property to be a string, "
+ propertyType.getName()
+ " is not valid.");
factoryClassLocation = (String) val;
}
if (val == null) {
RefAddr addMe = new BinaryRefAddr(propertyName, NULL_TOKEN_BYTES);
refAddrs.add(addMe);
} else if (Coerce.canCoerce(propertyType)) {
RefAddr addMe = new StringRefAddr(propertyName, String.valueOf(val));
refAddrs.add(addMe);
} else // other Object properties
{
RefAddr addMe = null;
PropertyEditor pe = BeansUtils.findPropertyEditor(pd);
if (pe != null) {
pe.setValue(val);
String textValue = pe.getAsText();
if (textValue != null) addMe = new StringRefAddr(propertyName, textValue);
}
if (addMe == null) // property editor approach failed
addMe =
new BinaryRefAddr(
propertyName,
SerializableUtils.toByteArray(
val, indirector, IndirectPolicy.INDIRECT_ON_EXCEPTION));
refAddrs.add(addMe);
}
} else {
// System.err.println(this.getClass().getName() +
// ": Skipping " + propertyName + " because it is " + (setter == null ?
// "read-only." : "write-only."));
if (logger.isLoggable(MLevel.WARNING))
logger.warning(
this.getClass().getName()
+ ": Skipping "
+ propertyName
+ " because it is "
+ (setter == null ? "read-only." : "write-only."));
}
}
Reference out =
new Reference(bean.getClass().getName(), factoryClassName, factoryClassLocation);
for (Iterator ii = refAddrs.iterator(); ii.hasNext(); ) out.add((RefAddr) ii.next());
return out;
} catch (Exception e) {
// e.printStackTrace();
if (Debug.DEBUG && logger.isLoggable(MLevel.FINE))
logger.log(MLevel.FINE, "Exception trying to create Reference.", e);
throw new NamingException("Could not create reference from bean: " + e.toString());
}
}
public void startElement(String uri, String localName, String name, Attributes attributes)
throws SAXException {
// according to the spec, the elements should have the namespace,
// except when the root element is the "component" element
// So we check this for the first element, we receive.
if (this.firstElement) {
this.firstElement = false;
if (localName.equals(COMPONENT) && "".equals(uri)) {
this.overrideNamespace = NAMESPACE_URI_1_0;
}
}
if (this.overrideNamespace != null && "".equals(uri)) {
uri = this.overrideNamespace;
}
// however the spec also states that the inner elements
// of a component are unqualified, so they don't have
// the namespace - we allow both: with or without namespace!
if (this.isComponent && "".equals(uri)) {
uri = NAMESPACE_URI_1_0;
}
// from here on, uri has the namespace regardless of the used xml format
if (NAMESPACE_URI_1_0.equals(uri)
|| NAMESPACE_URI_1_1.equals(uri)
|| NAMESPACE_URI_1_1_FELIX.equals(uri)) {
if (NAMESPACE_URI_1_1.equals(uri)) {
components.setSpecVersion(Constants.VERSION_1_1);
} else if (NAMESPACE_URI_1_1_FELIX.equals(uri)) {
components.setSpecVersion(Constants.VERSION_1_1_FELIX);
}
if (localName.equals(COMPONENT)) {
this.isComponent = true;
this.currentComponent = new Component();
this.currentComponent.setName(attributes.getValue(COMPONENT_ATTR_NAME));
// enabled attribute is optional
if (attributes.getValue(COMPONENT_ATTR_ENABLED) != null) {
this.currentComponent.setEnabled(
Boolean.valueOf(attributes.getValue(COMPONENT_ATTR_ENABLED)));
}
// immediate attribute is optional
if (attributes.getValue(COMPONENT_ATTR_IMMEDIATE) != null) {
this.currentComponent.setImmediate(
Boolean.valueOf(attributes.getValue(COMPONENT_ATTR_IMMEDIATE)));
}
this.currentComponent.setFactory(attributes.getValue(COMPONENT_ATTR_FACTORY));
// check for version 1.1 attributes
if (components.getSpecVersion() == Constants.VERSION_1_1) {
this.currentComponent.setConfigurationPolicy(
attributes.getValue(COMPONENT_ATTR_POLICY));
this.currentComponent.setActivate(attributes.getValue(COMPONENT_ATTR_ACTIVATE));
this.currentComponent.setDeactivate(attributes.getValue(COMPONENT_ATTR_DEACTIVATE));
this.currentComponent.setModified(attributes.getValue(COMPONENT_ATTR_MODIFIED));
}
} else if (localName.equals(IMPLEMENTATION)) {
// Set the implementation class name (mandatory)
final Implementation impl = new Implementation();
this.currentComponent.setImplementation(impl);
impl.setClassname(attributes.getValue("class"));
} else if (localName.equals(PROPERTY)) {
// read the property, unless it is the service.pid
// property which must not be inherited
final String propName = attributes.getValue("name");
if (!org.osgi.framework.Constants.SERVICE_PID.equals(propName)) {
final Property prop = new Property();
prop.setName(propName);
prop.setType(attributes.getValue("type"));
if (attributes.getValue("value") != null) {
prop.setValue(attributes.getValue("value"));
this.currentComponent.addProperty(prop);
} else {
// hold the property pending as we have a multi value
this.pendingProperty = prop;
}
// check for abstract properties
prop.setLabel(attributes.getValue("label"));
prop.setDescription(attributes.getValue("description"));
prop.setCardinality(attributes.getValue("cardinality"));
final String pValue = attributes.getValue("private");
if (pValue != null) {
prop.setPrivate(Boolean.valueOf(pValue).booleanValue());
}
}
} else if (localName.equals("properties")) {
// TODO: implement the properties tag
} else if (localName.equals(SERVICE)) {
this.currentService = new Service();
this.currentService.setServicefactory(attributes.getValue("servicefactory"));
this.currentComponent.setService(this.currentService);
} else if (localName.equals(INTERFACE)) {
final Interface interf = new Interface();
this.currentService.addInterface(interf);
interf.setInterfacename(attributes.getValue("interface"));
} else if (localName.equals(REFERENCE)) {
final Reference ref = new Reference();
ref.setName(attributes.getValue("name"));
ref.setInterfacename(attributes.getValue("interface"));
ref.setCardinality(attributes.getValue("cardinality"));
ref.setPolicy(attributes.getValue("policy"));
ref.setTarget(attributes.getValue("target"));
ref.setBind(attributes.getValue("bind"));
ref.setUnbind(attributes.getValue("unbind"));
if (attributes.getValue("checked") != null) {
ref.setChecked(Boolean.valueOf(attributes.getValue("checked")).booleanValue());
}
if (attributes.getValue("strategy") != null) {
ref.setStrategy(attributes.getValue("strategy"));
}
this.currentComponent.addReference(ref);
}
}
}
