下面列出了怎么用javax.naming.RefAddr的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Return a String rendering of this object.
*/
@Override
public final String toString() {
StringBuilder sb = new StringBuilder(this.getClass().getSimpleName());
sb.append("[className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return sb.toString();
}
/**
* Create a new DataSource instance.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?,?> environment)
throws NamingException {
Object result = super.getObjectInstance(obj, name, nameCtx, environment);
// Can we process this request?
if (result!=null) {
Reference ref = (Reference) obj;
RefAddr userAttr = ref.get("username");
RefAddr passAttr = ref.get("password");
if (userAttr.getContent()!=null && passAttr.getContent()!=null) {
result = wrapDataSource(result,userAttr.getContent().toString(), passAttr.getContent().toString());
}
}
return result;
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("ResourceRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("HandlerRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
/**
* Create a new DataSource instance.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?,?> environment)
throws NamingException {
Object result = super.getObjectInstance(obj, name, nameCtx, environment);
// Can we process this request?
if (result!=null) {
Reference ref = (Reference) obj;
RefAddr userAttr = ref.get("username");
RefAddr passAttr = ref.get("password");
if (userAttr.getContent()!=null && passAttr.getContent()!=null) {
result = wrapDataSource(result,userAttr.getContent().toString(), passAttr.getContent().toString());
}
}
return result;
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("ServiceRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
if ((obj == null) || !(obj instanceof Reference)) {
return null;
}
Reference ref = (Reference) obj;
Enumeration<RefAddr> refs = ref.getAll();
String type = ref.getClassName();
Object o = Class.forName(type).newInstance();
while (refs.hasMoreElements()) {
RefAddr addr = refs.nextElement();
String param = addr.getType();
String value = null;
if (addr.getContent()!=null) {
value = addr.getContent().toString();
}
if (setProperty(o, param, value,false)) {
} else {
log.debug("Property not configured["+param+"]. No setter found on["+o+"].");
}
}
return o;
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("ResourceRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("HandlerRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
/**
* Create a new DataSource instance.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?,?> environment)
throws NamingException {
Object result = super.getObjectInstance(obj, name, nameCtx, environment);
// Can we process this request?
if (result!=null) {
Reference ref = (Reference) obj;
RefAddr userAttr = ref.get("username");
RefAddr passAttr = ref.get("password");
if (userAttr.getContent()!=null && passAttr.getContent()!=null) {
result = wrapDataSource(result,userAttr.getContent().toString(), passAttr.getContent().toString());
}
}
return result;
}
/**
* Return a String rendering of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("ServiceRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration<RefAddr> refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
if ((obj == null) || !(obj instanceof Reference)) {
return null;
}
Reference ref = (Reference) obj;
Enumeration<RefAddr> refs = ref.getAll();
String type = ref.getClassName();
Object o = Class.forName(type).newInstance();
while (refs.hasMoreElements()) {
RefAddr addr = refs.nextElement();
String param = addr.getType();
String value = null;
if (addr.getContent()!=null) {
value = addr.getContent().toString();
}
if (setProperty(o, param, value,false)) {
} else {
log.debug("Property not configured["+param+"]. No setter found on["+o+"].");
}
}
return o;
}
@Override
public Object lookup(String name) throws NamingException {
name = trimSlashes(name);
int i = name.indexOf("/");
String tok = i == -1 ? name : name.substring(0, i);
Object value = map.get(tok);
if (value == null) {
throw new NameNotFoundException("Name not found: " + tok);
}
if (value instanceof InVMNamingContext && i != -1) {
return ((InVMNamingContext) value).lookup(name.substring(i));
}
if (value instanceof Reference) {
Reference ref = (Reference) value;
RefAddr refAddr = ref.get("nns");
// we only deal with references create by NonSerializableFactory
String key = (String) refAddr.getContent();
return NonSerializableFactory.lookup(key);
} else {
return value;
}
}
@Override
public Object lookup(String name) throws NamingException {
name = trimSlashes(name);
int i = name.indexOf("/");
String tok = i == -1 ? name : name.substring(0, i);
Object value = map.get(tok);
if (value == null) {
throw new NameNotFoundException("Name not found: " + tok);
}
if (value instanceof InVMContext && i != -1) {
return ((InVMContext) value).lookup(name.substring(i));
}
if (value instanceof Reference) {
Reference ref = (Reference) value;
RefAddr refAddr = ref.get("nns");
// we only deal with references create by NonSerializableFactory
String key = (String) refAddr.getContent();
return NonSerializableFactory.lookup(key);
} else {
return value;
}
}
@Override
public Object lookup(String name) throws NamingException {
name = trimSlashes(name);
int i = name.indexOf("/");
String tok = i == -1 ? name : name.substring(0, i);
Object value = map.get(tok);
if (value == null) {
throw new NameNotFoundException("Name not found: " + tok);
}
if (value instanceof InVMContext && i != -1) {
return ((InVMContext) value).lookup(name.substring(i));
}
if (value instanceof Reference) {
Reference ref = (Reference) value;
RefAddr refAddr = ref.get("nns");
// we only deal with references create by NonSerializableFactory
String key = (String) refAddr.getContent();
return NonSerializableFactory.lookup(key);
} else {
return value;
}
}
@Override
public Object lookup(String name) throws NamingException {
name = trimSlashes(name);
int i = name.indexOf("/");
String tok = i == -1 ? name : name.substring(0, i);
Object value = map.get(tok);
if (value == null) {
throw new NameNotFoundException("Name not found: " + tok);
}
if (value instanceof InVMNamingContext && i != -1) {
return ((InVMNamingContext) value).lookup(name.substring(i));
}
if (value instanceof Reference) {
Reference ref = (Reference) value;
RefAddr refAddr = ref.get("nns");
// we only deal with references create by NonSerializableFactory
String key = (String) refAddr.getContent();
return NonSerializableFactory.lookup(key);
} else {
return value;
}
}
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment)
throws ViburDBCPException {
Reference reference = (Reference) obj;
Enumeration<RefAddr> enumeration = reference.getAll();
Properties props = new Properties();
while (enumeration.hasMoreElements()) {
RefAddr refAddr = enumeration.nextElement();
String pName = refAddr.getType();
String pValue = (String) refAddr.getContent();
props.setProperty(pName, pValue);
}
ViburDBCPDataSource dataSource = new ViburDBCPDataSource(props);
dataSource.start();
return dataSource;
}
private HashMap loadProps( Reference ref, String[] props )
{
HashMap config = new HashMap();
HashMap values = new HashMap();
Enumeration c = ref.getAll();
while( c.hasMoreElements() )
{
RefAddr ra = (RefAddr) c.nextElement();
values.put( ra.getType().toLowerCase(), ra.getContent() );
}
for( int i = 0; i < props.length; i ++ )
{
String value = (String) values.get( props[i] );
value = value == null && props[i] != JtdsDataSource.DESCRIPTION ? (String) values.get( Messages.get( props[i] ).toLowerCase() ) : value;
if( value != null )
{
config.put( props[i], value );
}
}
return config;
}
/**
* This will be called by a JNDIprovider when a Reference is retrieved from
* a JNDI store - and generates the original instance
*
* @param object
* the Reference object
* @param name
* the JNDI name
* @param nameCtx
* the context
* @param environment
* the environment settings used by JNDI
*
* @return the instance built from the Reference object
*
* @throws Exception
* if building the instance from Reference fails (usually class not found)
*/
@Override
public Object getObjectInstance(Object object, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
Object result = null;
if (object instanceof Reference) {
Reference reference = (Reference) object;
Class<?> theClass = loadClass(this, reference.getClassName());
if (JNDIStorable.class.isAssignableFrom(theClass)) {
JNDIStorable store = (JNDIStorable) theClass.getDeclaredConstructor().newInstance();
Map<String, String> properties = new HashMap<String, String>();
for (Enumeration<RefAddr> iter = reference.getAll(); iter.hasMoreElements();) {
StringRefAddr addr = (StringRefAddr) iter.nextElement();
properties.put(addr.getType(), (addr.getContent() == null) ? "" : addr.getContent().toString());
}
store.setProperties(properties);
result = store;
}
} else {
throw new RuntimeException("Object " + object + " is not a reference");
}
return result;
}
/**
* Create a new EJB instance using OpenEJB.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable<?,?> environment)
throws Exception {
Object beanObj = null;
if (obj instanceof EjbRef) {
Reference ref = (Reference) obj;
String factory = DEFAULT_OPENEJB_FACTORY;
RefAddr factoryRefAddr = ref.get("openejb.factory");
if (factoryRefAddr != null) {
// Retrieving the OpenEJB factory
factory = factoryRefAddr.getContent().toString();
}
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
RefAddr linkRefAddr = ref.get("openejb.link");
if (linkRefAddr != null) {
String ejbLink = linkRefAddr.getContent().toString();
beanObj = (new InitialContext(env)).lookup(ejbLink);
}
}
return beanObj;
}
/**
* Set the Java bean properties for an object from its Reference. The
* Reference contains a set of StringRefAddr values with the key being the
* bean name and the value a String representation of the bean's value. This
* code looks for setXXX() method where the set method corresponds to the
* standard bean naming scheme and has a single parameter of type String,
* int, boolean or short.
*/
private static void setBeanProperties(Object ds, Reference ref)
throws Exception {
for (Enumeration e = ref.getAll(); e.hasMoreElements();) {
RefAddr attribute = (RefAddr) e.nextElement();
String propertyName = attribute.getType();
String value = (String) attribute.getContent();
String methodName = "set"
+ propertyName.substring(0, 1).toUpperCase(
java.util.Locale.ENGLISH)
+ propertyName.substring(1);
Method m;
Object argValue;
try {
m = ds.getClass().getMethod(methodName, STRING_ARG);
argValue = value;
} catch (NoSuchMethodException nsme) {
try {
m = ds.getClass().getMethod(methodName, INT_ARG);
argValue = Integer.valueOf(value);
} catch (NoSuchMethodException nsme2) {
try {
m = ds.getClass().getMethod(methodName, BOOLEAN_ARG);
argValue = Boolean.valueOf(value);
} catch (NoSuchMethodException nsme3) {
m = ds.getClass().getMethod(methodName, SHORT_ARG);
argValue = Short.valueOf(value);
}
}
}
m.invoke(ds, new Object[] { argValue });
}
}
@Override
protected InstanceKeyDataSource getNewInstance(final Reference ref) {
final SharedPoolDataSource spds = new SharedPoolDataSource();
final RefAddr ra = ref.get("maxTotal");
if (ra != null && ra.getContent() != null) {
spds.setMaxTotal(Integer.parseInt(ra.getContent().toString()));
}
return spds;
}
/**
* Implements ObjectFactory to create an instance of SharedPoolDataSource or PerUserPoolDataSource
*/
@Override
public Object getObjectInstance(final Object refObj, final Name name, final Context context,
final Hashtable<?, ?> env) throws IOException, ClassNotFoundException {
// The spec says to return null if we can't create an instance
// of the reference
Object obj = null;
if (refObj instanceof Reference) {
final Reference ref = (Reference) refObj;
if (isCorrectClass(ref.getClassName())) {
final RefAddr refAddr = ref.get("instanceKey");
if (refAddr != null && refAddr.getContent() != null) {
// object was bound to JNDI via Referenceable API.
obj = instanceMap.get(refAddr.getContent());
} else {
// Tomcat JNDI creates a Reference out of server.xml
// <ResourceParam> configuration and passes it to an
// instance of the factory given in server.xml.
String key = null;
if (name != null) {
key = name.toString();
obj = instanceMap.get(key);
}
if (obj == null) {
final InstanceKeyDataSource ds = getNewInstance(ref);
setCommonProperties(ref, ds);
obj = ds;
if (key != null) {
instanceMap.put(key, ds);
}
}
}
}
}
return obj;
}
/**
* <p>
* Create and return a new <code>BasicDataSource</code> instance. If no instance can be created, return
* <code>null</code> instead.
* </p>
*
* @param obj
* The possibly null object containing location or reference information that can be used in creating an
* object
* @param name
* The name of this object relative to <code>nameCtx</code>
* @param nameCtx
* The context relative to which the <code>name</code> parameter is specified, or <code>null</code> if
* <code>name</code> is relative to the default initial context
* @param environment
* The possibly null environment that is used in creating this object
*
* @throws Exception
* if an exception occurs creating the instance
*/
@Override
public Object getObjectInstance(final Object obj, final Name name, final Context nameCtx,
final Hashtable<?, ?> environment) throws Exception {
// We only know how to deal with <code>javax.naming.Reference</code>s
// that specify a class name of "javax.sql.DataSource"
if (obj == null || !(obj instanceof Reference)) {
return null;
}
final Reference ref = (Reference) obj;
if (!"javax.sql.DataSource".equals(ref.getClassName())) {
return null;
}
// Check property names and log warnings about obsolete and / or unknown properties
final List<String> warnings = new ArrayList<>();
final List<String> infoMessages = new ArrayList<>();
validatePropertyNames(ref, name, warnings, infoMessages);
for (final String warning : warnings) {
log.warn(warning);
}
for (final String infoMessage : infoMessages) {
log.info(infoMessage);
}
final Properties properties = new Properties();
for (final String propertyName : ALL_PROPERTIES) {
final RefAddr ra = ref.get(propertyName);
if (ra != null) {
final String propertyValue = ra.getContent().toString();
properties.setProperty(propertyName, propertyValue);
}
}
return createDataSource(properties);
}
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
if ((obj == null) || !(obj instanceof Reference)) {
return null;
}
Reference ref = (Reference) obj;
Enumeration<RefAddr> refs = ref.getAll();
String type = ref.getClassName();
Object o =
ClassLoaderUtil.loadClass(
type,
GenericNamingResourcesFactory.class.getClassLoader(),
Thread.currentThread().getContextClassLoader()).getConstructor().newInstance();
while (refs.hasMoreElements()) {
RefAddr addr = refs.nextElement();
String param = addr.getType();
String value = null;
if (addr.getContent()!=null) {
value = addr.getContent().toString();
}
if (setProperty(o, param, value)) {
} else {
log.debug("Property not configured["+param+"]. No setter found on["+o+"].");
}
}
return o;
}
/**
* 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 BurlapProxyFactory.");
// XXX: could use meta protocol to grab this
if (api == null)
throw new NamingException("`type' must be configured for BurlapProxyFactory.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class apiClass = Class.forName(api, false, loader);
return create(apiClass, url);
}
/**
* 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;
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.");
Class apiClass = Class.forName(api, false, _loader);
return create(apiClass, url);
}
/**
* <p>Create and return a new <code>MemoryUserDatabase</code> instance
* that has been configured according to the properties of the
* specified <code>Reference</code>. If you instance can be created,
* return <code>null</code> instead.</p>
*
* @param obj The possibly null object containing location or
* reference information that can be used in creating an object
* @param name The name of this object relative to <code>nameCtx</code>
* @param nameCtx The context relative to which the <code>name</code>
* parameter is specified, or <code>null</code> if <code>name</code>
* is relative to the default initial context
* @param environment The possibly null environment that is used in
* creating this object
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable<?,?> environment)
throws Exception {
// We only know how to deal with <code>javax.naming.Reference</code>s
// that specify a class name of "org.apache.catalina.UserDatabase"
if ((obj == null) || !(obj instanceof Reference)) {
return (null);
}
Reference ref = (Reference) obj;
if (!"org.apache.catalina.UserDatabase".equals(ref.getClassName())) {
return (null);
}
// Create and configure a MemoryUserDatabase instance based on the
// RefAddr values associated with this Reference
MemoryUserDatabase database = new MemoryUserDatabase(name.toString());
RefAddr ra = null;
ra = ref.get("pathname");
if (ra != null) {
database.setPathname(ra.getContent().toString());
}
ra = ref.get("readonly");
if (ra != null) {
database.setReadonly(Boolean.parseBoolean(ra.getContent().toString()));
}
// Return the configured database instance
database.open();
// Don't try something we know won't work
if (!database.getReadonly())
database.save();
return (database);
}
/**
* Create a new EJB instance using OpenEJB.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable<?,?> environment)
throws Exception {
Object beanObj = null;
if (obj instanceof EjbRef) {
Reference ref = (Reference) obj;
String factory = DEFAULT_OPENEJB_FACTORY;
RefAddr factoryRefAddr = ref.get("openejb.factory");
if (factoryRefAddr != null) {
// Retrieving the OpenEJB factory
factory = factoryRefAddr.getContent().toString();
}
Properties env = new Properties();
env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
RefAddr linkRefAddr = ref.get("openejb.link");
if (linkRefAddr != null) {
String ejbLink = linkRefAddr.getContent().toString();
beanObj = (new InitialContext(env)).lookup(ejbLink);
}
}
return beanObj;
}
/**
* Create a new DataSource instance.
*
* @param obj The reference object describing the DataSource
*/
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable<?,?> environment)
throws NamingException {
if (!(obj instanceof ResourceLinkRef))
return null;
// Can we process this request?
Reference ref = (Reference) obj;
// Read the global ref addr
String globalName = null;
RefAddr refAddr = ref.get(ResourceLinkRef.GLOBALNAME);
if (refAddr != null) {
globalName = refAddr.getContent().toString();
Object result = null;
result = globalContext.lookup(globalName);
// FIXME: Check type
return result;
}
return (null);
}