本文整理了Java中javax.naming.Context
类的一些代码示例,展示了Context
类的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Context
类的具体详情如下:
包路径:javax.naming.Context
类名称:Context
暂无
代码示例来源:origin: stackoverflow.com
Hashtable env = new Hashtable(5);
env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
//Assuming weblogic server is running on localhost at port 7001
env.put(Context.PROVIDER_URL, "t3://localhost:7001");
Context ic = new InitialContext(env);
//obtain a reference to the home or local home interface
FooHome fooHome = (FooHome)ic.lookup("MyBeans/FooHome");
//Get a reference to an object that implements the beans remote (component) interface
Foo foo = fooHome.create();
//call the service exposed by the bean
foo.shoutFoo()
代码示例来源:origin: quartz-scheduler/quartz
ctx = (props != null) ? new InitialContext(props): new InitialContext();
ds = ctx.lookup(url);
if (!isAlwaysLookup()) {
this.datasource = ds;
return (((XADataSource) ds).getXAConnection().getConnection());
} else if (ds instanceof DataSource) {
return ((DataSource) ds).getConnection();
} else {
throw new SQLException("Object at JNDI URL '" + url + "' is not a DataSource.");
} finally {
if (ctx != null) {
try { ctx.close(); } catch(Exception ignore) {}
代码示例来源:origin: hibernate/hibernate-orm
ctx.rebind(name, val);
Name n = ctx.getNameParser( "" ).parse( name );
while ( n.size() > 1 ) {
final String ctxName = n.get( 0 );
subctx = (Context) ctx.lookup( ctxName );
ctx = ctx.createSubcontext( ctxName );
n = n.getSuffix( 1 );
ctx.rebind( n, val );
代码示例来源:origin: wildfly/wildfly
/**
* Create a subcontext including any intermediate contexts.
* @param ctx the parent JNDI Context under which value will be bound
* @param name the name relative to ctx of the subcontext.
* @return The new or existing JNDI subcontext
* @throws NamingException on any JNDI failure
*/
private static Context createSubcontext(Context ctx, final Name name) throws NamingException {
Context subctx = ctx;
for (int pos = 0; pos < name.size(); pos++) {
final String ctxName = name.get(pos);
try {
subctx = (Context) ctx.lookup(ctxName);
}
catch (NameNotFoundException e) {
subctx = ctx.createSubcontext(ctxName);
}
// The current subctx will be the ctx for the next name component
ctx = subctx;
}
return subctx;
}
代码示例来源:origin: wildfly/wildfly
/**
* Unbinds a name from ctx, and removes parents if they are empty
*
* @param ctx the parent JNDI Context under which the name will be unbound
* @param name The name to unbind
* @throws NamingException for any error
*/
public static void unbind(Context ctx, Name name) throws NamingException {
ctx.unbind(name); //unbind the end node in the name
int sz = name.size();
// walk the tree backwards, stopping at the domain
while (--sz > 0) {
Name pname = name.getPrefix(sz);
try {
ctx.destroySubcontext(pname);
}
catch (NamingException e) {
//log.trace("Unable to remove context " + pname, e);
break;
}
}
}
}
代码示例来源:origin: spring-projects/spring-framework
assertTrue("Correct DataSource registered", context1.lookup("java:comp/env/jdbc/myds") == ds);
assertTrue("Correct Object registered", context1.lookup("myobject") == obj);
Hashtable<String, String> env2 = new Hashtable<>();
env2.put("key1", "value1");
Context context2 = factory.getInitialContext(env2);
assertTrue("Correct DataSource registered", context2.lookup("java:comp/env/jdbc/myds") == ds);
assertTrue("Correct Object registered", context2.lookup("myobject") == obj);
assertTrue("Correct environment", context2.getEnvironment() != env2);
assertTrue("Correct key1", "value1".equals(context2.getEnvironment().get("key1")));
context1.rebind("myinteger", i);
String s = "";
context2.bind("mystring", s);
Context context3 = (Context) context2.lookup("");
context3.rename("java:comp/env/jdbc/myds", "jdbc/myds");
context3.unbind("myobject");
assertTrue("Correct environment", context3.getEnvironment() != context2.getEnvironment());
context3.addToEnvironment("key2", "value2");
assertTrue("key2 added", "value2".equals(context3.getEnvironment().get("key2")));
context3.removeFromEnvironment("key1");
assertTrue("key1 removed", context3.getEnvironment().get("key1") == null);
assertTrue("Correct DataSource registered", context1.lookup("jdbc/myds") == ds);
try {
context1.lookup("myobject");
fail("Should have thrown NameNotFoundException");
代码示例来源:origin: stackoverflow.com
// Obtain our environment naming context
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
// Look up our data source
DataSource ds = (DataSource) envCtx.lookup("jdbc/EmployeeDB");
// Allocate and use a connection from the pool
Connection conn = ds.getConnection();
代码示例来源:origin: stackoverflow.com
Hashtable props = new Hashtable();
String principalName = username + "@" + domainName;
props.put(Context.SECURITY_PRINCIPAL, principalName);
props.put(Context.SECURITY_CREDENTIALS, password);
DirContext context;
context.close();
代码示例来源:origin: redisson/redisson
@Override
protected RedissonClient buildClient() throws LifecycleException {
InitialContext context = null;
try {
context = new InitialContext();
Context envCtx = (Context) context.lookup("java:comp/env");
return (RedissonClient) envCtx.lookup(jndiName);
} catch (NamingException e) {
throw new LifecycleException("Unable to locate Redisson instance by name: " + jndiName, e);
} finally {
if (context != null) {
try {
context.close();
} catch (NamingException e) {
throw new LifecycleException("Unable to close JNDI context", e);
}
}
}
}
代码示例来源:origin: wildfly/wildfly
@Override
public Object lookup(final String name) throws NamingException {
try {
final int index = name.indexOf('#');
if (index != -1) {
final String server = name.substring(0, index);
final String lookup = name.substring(index + 1);
@SuppressWarnings("unchecked")
final Hashtable<Object,Object> environment = (Hashtable<Object,Object>) this.environment.clone();
environment.put(Context.PROVIDER_URL, server);
environment.put(ORBConstants.ORB_SERVER_ID_PROPERTY, "1");
return CNCtxFactory.INSTANCE.getInitialContext(environment).lookup(lookup);
} else {
return CNCtxFactory.INSTANCE.getInitialContext(environment).lookup(name);
}
} catch (NamingException e) {
throw e;
} catch (Exception e) {
throw new NamingException(e.getMessage());
}
}
代码示例来源:origin: stackoverflow.com
DataSource dataSource = null;
try
{
Context context = new InitialContext();
dataSource = (DataSource) context.lookup("Database");
}
catch (NamingException e)
{
// Couldn't find the data source: give up
}
代码示例来源:origin: com.ironoreserver/com.ironoreserver.core
@Override
public Object lookup(Name name) throws NamingException {
if (name.isEmpty()) {
return this.clone();
String atomicName = normalizedName.get(0);
Object atomicNameBinding = bindings.get(atomicName);
if (normalizedName.size() == 1) {
if (atomicNameBinding == null) {
throw new NameNotFoundException("Name ["+atomicName+"] from ["+normalizedName+"] not found in this binding");
env);
} catch (Exception e) {
NamingException _e = new NamingException("NamingManager.getObjectInstance(...) failed");
_e.setRootCause(e);
throw _e;
return ((Context)atomicNameBinding).lookup(normalizedName.getSuffix(1));
throw new NotContextException(atomicName+" from ["+name+"] is not a context, cannot perform further lookup");
代码示例来源:origin: com.ironoreserver/com.ironoreserver.core
@Override
public void unbind(Name name) throws NamingException {
if (name.isEmpty()) {
throw new InvalidNameException("Name ["+name+"] is empty ");
}
Name normalizedName = normalizeName(name);
String atomicName = normalizedName.get(0); // first component
Object atomicNameBinding = bindings.get(atomicName);
if (normalizedName.size() == 1) {
bindings.remove(atomicName);
}
else {
if (atomicNameBinding instanceof Context) {
((Context)atomicNameBinding).unbind(normalizedName.getSuffix(1));
}
else {
throw new NotContextException(atomicName+" from ["+name+"] is not a context, cannot perform further binding");
}
}
}
代码示例来源:origin: Dreampie/Resty
public JndiDataSourceProvider(String dsName, String jndiName, String dialect, boolean showSql) {
this.dsName = dsName;
Context ctx;
try {
ctx = new InitialContext();
ds = (DataSource) ctx.lookup(jndiName);
if (ds == null) {
throw new DBException("Jndi could not found error for " + jndiName);
}
} catch (NamingException e) {
throw new DBException(e.getMessage(), e);
}
this.dialect = DialectFactory.get(dialect == null ? "mysql" : dialect);
this.showSql = showSql;
}
代码示例来源:origin: spring-projects/spring-framework
builder.bind(name, o);
Context ctx = new InitialContext();
assertTrue(ctx.lookup(name) == o);
ctx.unbind(name);
try {
ctx = new InitialContext();
ctx.lookup(name);
fail("Should have thrown NamingException");
ctx = new InitialContext();
ctx.lookup(name);
fail("Should have thrown NamingException");
assertEquals(ctx.lookup(name), o2);
代码示例来源:origin: simple-jndi/simple-jndi
/**
* @see javax.naming.Context#unbind(javax.naming.Name)
*/
public void unbind(Name name) throws NamingException {
if(name.isEmpty()) {
throw new InvalidNameException("Cannot unbind to empty name");
}
if(name.size() == 1) {
if(table.containsKey(name)) {
table.remove(name);
}
return;
}
/* Look up the target context first. */
Object targetContext = lookup(name.getPrefix(name.size() - 1));
if(targetContext == null || !(targetContext instanceof Context)) {
throw new NamingException("Cannot unbind object. Target context does not exist.");
}
((Context)targetContext).unbind(name.getSuffix(name.size() - 1));
}
代码示例来源:origin: wildfly/wildfly
Context ctx = NamingManager.getURLContext(scheme, environment);
if (ctx == null) {
throw new NamingException("scheme " + scheme + " not recognized");
return ctx.lookup(name);
} else {
Object obj = bindings.get(first);
if (obj == null) {
throw new NameNotFoundException(name);
} else if (obj instanceof Context && path.size() > 1) {
Context subContext = (Context) obj;
obj = subContext.lookup(path.getSuffix(1));
throw e;
} catch (Exception e) {
throw (NamingException) new NamingException("could not look up : " + name).initCause(e);
代码示例来源:origin: org.ow2.carol/carol
/**
* Unbinds the named object. Removes the terminal atomic name in
* <code>name</code> from the target context--that named by all but the
* terminal atomic part of <code>name</code>.
* @param name the name to unbind; may not be empty
* @throws NamingException if a naming exception is encountered
*/
public void unbind(final Name name) throws NamingException {
if (name.isEmpty()) {
throw new NamingException("Cannot unbind empty name");
}
try {
wrappedContext.unbind(encode(name));
if (exportedObjects.containsKey(name)) {
ConfigurationRepository.getCurrentConfiguration().getProtocol().getPortableRemoteObject().unexportObject(
(Remote) exportedObjects.remove(name));
}
} catch (Exception e) {
throw NamingExceptionHelper.create("Cannot unbind name '" + name + "' : " + e.getMessage(), e);
}
}
代码示例来源:origin: ch.qos.logback/logback-classic
public static String lookup(Context ctx, String name) {
if (ctx == null) {
return null;
}
try {
Object lookup = ctx.lookup(name);
return lookup == null ? null : lookup.toString();
} catch (NamingException e) {
return null;
}
}
}
代码示例来源:origin: apache/geode
checkIsDestroyed();
Name parsedName = getParsedName(name);
if (parsedName.size() == 0 || parsedName.get(0).length() == 0) {
throw new InvalidNameException(
"Name can not be empty!");
String nameToRemove = parsedName.get(0);
if (boundObject instanceof Context) {
((Context) boundObject).unbind(parsedName.getSuffix(1));
} else {
throw new NameNotFoundException(
String.format("Can not find %s", name));
throw new NotContextException(String.format("Expected Context but found %s",
boundObject));
内容来源于网络,如有侵权,请联系作者删除!