Java NameClassPair類代碼示例

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * Enumerates the names bound in the named context, along with the class 
 * names of objects bound to them. The contents of any subcontexts are 
 * not included.
 * <p>
 * If a binding is added to or removed from this context, its effect on 
 * an enumeration previously returned is undefined.
 * 
 * @param name the name of the context to list
 * @return an enumeration of the names and class names of the bindings in 
 * this context. Each element of the enumeration is of type NameClassPair.
 * @exception NamingException if a naming exception is encountered
 */
@Override
public NamingEnumeration<NameClassPair> list(Name name)
    throws NamingException {
    // Removing empty parts
    while ((!name.isEmpty()) && (name.get(0).length() == 0))
        name = name.getSuffix(1);
    if (name.isEmpty()) {
        return new NamingContextEnumeration(bindings.values().iterator());
    }
    
    NamingEntry entry = bindings.get(name.get(0));
    
    if (entry == null) {
        throw new NameNotFoundException
            (sm.getString("namingContext.nameNotBound", name, name.get(0)));
    }
    
    if (entry.type != NamingEntry.CONTEXT) {
        throw new NamingException
            (sm.getString("namingContext.contextExpected"));
    }
    return ((Context) entry.value).list(name.getSuffix(1));
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * Enumerates the names bound in the named context, along with the class
 * names of objects bound to them. The contents of any subcontexts are not
 * included.
 * <p>
 * If a binding is added to or removed from this context, its effect on an
 * enumeration previously returned is undefined.
 * 
 * @param name
 *            the name of the context to list
 * @return an enumeration of the names and class names of the bindings in
 *         this context. Each element of the enumeration is of type
 *         NameClassPair.
 * @exception NamingException
 *                if a naming exception is encountered
 */
@Override
public NamingEnumeration<NameClassPair> list(Name name) throws NamingException {
	// Removing empty parts
	while ((!name.isEmpty()) && (name.get(0).length() == 0))
		name = name.getSuffix(1);
	if (name.isEmpty()) {
		return new NamingContextEnumeration(bindings.values().iterator());
	}

	NamingEntry entry = bindings.get(name.get(0));

	if (entry == null) {
		throw new NameNotFoundException(sm.getString("namingContext.nameNotBound", name, name.get(0)));
	}

	if (entry.type != NamingEntry.CONTEXT) {
		throw new NamingException(sm.getString("namingContext.contextExpected"));
	}
	return ((Context) entry.value).list(name.getSuffix(1));
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	try {
		Properties p = new Properties();
		p.put("java.naming.factory.initial", "org.apache.openejb.client.RemoteInitialContextFactory");
		p.put("java.naming.provider.url", "http://localhost:8080/tomee/ejb");
		// user and pass optional
		// p.put("java.naming.security.principal", "myuser");
		// p.put("java.naming.security.credentials", "mypass");

		InitialContext ctx = new InitialContext(p);

		for (NameClassPair pair : Collections.list(ctx.list(""))) {
			System.out.println(pair.getName());
			System.out.println(pair.getClassName());
		}

		// ejbBankAccount = (BankAccountRemote) ctx.lookup("BankAccountEJB");
		ejbBankAccount = (BankAccountRemote) ctx.lookup("BankAccountEJBRemote");

		ejbBankAccount.transfer(BigDecimal.valueOf(100), 1, 2);
		System.out.println("EJB OK");
	} catch (Exception ex) {
		ex.printStackTrace();
	}
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * Enumerates the names bound in the named context, along with the class
 * names of objects bound to them. The contents of any subcontexts are
 * not included.
 * <p>
 * If a binding is added to or removed from this context, its effect on
 * an enumeration previously returned is undefined.
 *
 * @param name the name of the context to list
 * @return an enumeration of the names and class names of the bindings in
 * this context. Each element of the enumeration is of type NameClassPair.
 * @throws NamingException if a jndi exception is encountered
 */
@Override
public NamingEnumeration<NameClassPair> list(Name name) throws NamingException {
    // Removing empty parts
    while ((!name.isEmpty()) && (name.get(0).length() == 0)) {
        name = name.getSuffix(1);
    }

    if (name.isEmpty()) {
        return new NamingContextEnumeration(new ArrayList<>(bindings.values()));
    }

    NamingEntry entry = bindings.get(name.get(0));

    if (entry == null) {
        throw new NameNotFoundException(SM.getString("namingContext.nameNotBound", name, name.get(0)));
    }

    if (entry.type != NamingEntry.CONTEXT) {
        throw new NamingException(SM.getString("namingContext.contextExpected"));
    }
    return ((Context) entry.value).list(name.getSuffix(1));
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
public <T> Map<String, T> findByTypeWithName(Class<T> type) {
    Map<String, T> answer = new LinkedHashMap<String, T>();
    try {
        NamingEnumeration<NameClassPair> list = getContext().list("");
        while (list.hasMore()) {
            NameClassPair pair = list.next();
            Object instance = context.lookup(pair.getName());
            if (type.isInstance(instance)) {
                answer.put(pair.getName(), type.cast(instance));
            }
        }
    } catch (NamingException e) {
        // ignore
    }

    return answer;
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
public <T> Set<T> findByType(Class<T> type) {
    Set<T> answer = new LinkedHashSet<T>();
    try {
        NamingEnumeration<NameClassPair> list = getContext().list("");
        while (list.hasMore()) {
            NameClassPair pair = list.next();
            Object instance = context.lookup(pair.getName());
            if (type.isInstance(instance)) {
                answer.add(type.cast(instance));
            }
        }
    } catch (NamingException e) {
        // ignore
    }
    return answer;
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
@Override
public NamingEnumeration<NameClassPair> list(final Name name) throws NamingException {
	final Name searchName = validateName(name);
	// If null, it means we don't know how to handle this -> throw to the
	// parent
	if (searchName == null) {
		return parent.list(name);
	} else if (searchName.isEmpty()) {
		// listing this context
		return new Names(bindings);
	}

	// Perhaps 'name' names a context
	final Object target = lookup(name);
	if (target instanceof Context) {
		return ((Context) target).list("");
	}
	throw new NotContextException(name + " cannot be listed");
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
private static String contextDump(Context ctx, String root, boolean recurse, int level) 
{
	StringBuilder sb = new StringBuilder();
	try
	{
		for( NamingEnumeration<NameClassPair> list = ctx.list(root); list.hasMore(); ) 
		{
		    NameClassPair nc = list.next();
		    for(int t=0; t<level; ++t)
		    	sb.append('\t');
		    sb.append(nc);
	    	sb.append("line.separator");
	    	if(recurse)
	    	{
	    		String childPath = root.length() > 0 ? root + "/" + nc.getName() : nc.getName();
	    		contextDump(ctx, childPath, recurse, level+1);
	    	}
		}
	}
	catch(NamingException nX)
	{
		sb.append(nX.getMessage());
	}
	
	return sb.toString();
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
@Test
public void testRunning() throws Exception {
   DirContext ctx = getContext();

   HashSet<String> set = new HashSet<>();

   NamingEnumeration<NameClassPair> list = ctx.list("ou=system");

   while (list.hasMore()) {
      NameClassPair ncp = list.next();
      set.add(ncp.getName());
   }

   Assert.assertTrue(set.contains("uid=admin"));
   Assert.assertTrue(set.contains("ou=users"));
   Assert.assertTrue(set.contains("ou=groups"));
   Assert.assertTrue(set.contains("ou=configuration"));
   Assert.assertTrue(set.contains("prefNodeName=sysPrefRoot"));
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
@Test
public void testRunning() throws Exception {
   Hashtable<String, String> env = new Hashtable<>();
   env.put(Context.PROVIDER_URL, "ldap://localhost:1024");
   env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
   env.put(Context.SECURITY_AUTHENTICATION, "simple");
   env.put(Context.SECURITY_PRINCIPAL, PRINCIPAL);
   env.put(Context.SECURITY_CREDENTIALS, CREDENTIALS);
   DirContext ctx = new InitialDirContext(env);

   HashSet<String> set = new HashSet<>();

   NamingEnumeration<NameClassPair> list = ctx.list("ou=system");

   while (list.hasMore()) {
      NameClassPair ncp = list.next();
      set.add(ncp.getName());
   }

   Assert.assertTrue(set.contains("uid=admin"));
   Assert.assertTrue(set.contains("ou=users"));
   Assert.assertTrue(set.contains("ou=groups"));
   Assert.assertTrue(set.contains("ou=configuration"));
   Assert.assertTrue(set.contains("prefNodeName=sysPrefRoot"));
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * {@inheritDoc}
 */
public NamingEnumeration<NameClassPair> list(Name name)
        throws NamingException {
    if (name.isEmpty()) {
        try {
            return new NameClassPairEnumeration(registry.list());
        } catch (RemoteException e) {
            throw (NamingException) newNamingException(e)
                    .fillInStackTrace();
        }
    }
    Object obj = lookup(name);

    if (obj instanceof Context) {
        try {
            return ((Context) obj).list(""); //$NON-NLS-1$
        } finally {
            ((Context) obj).close();
        }
    }
    // jndi.80=Name specifies an object that is not a context: {0}
    throw new NotContextException(Messages.getString("jndi.80", name)); //$NON-NLS-1$
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * Create an XML description of a {@link javax.naming.Context} from the server.
 * @param outOfScope <code>true</code> if the class for this context is not in the classpath. 
 * @return An XML string describing the current RMI context.
 * @throws NamingException If the RMI context could not be accessed.
 */
private String getContextDescription(boolean outOfScope) throws NamingException {
  StringBuilder dsc = getHeader();
  dsc.append("<context name=\"").append(rmiRegistryContext.getNameInNamespace()).append("\">\n");
  NamingEnumeration<NameClassPair> ne = rmiRegistryContext.list("");
  while (ne.hasMore()) {
    NameClassPair nc = ne.next();
    dsc.append("  <name value=\"").append(nc.getName());
    if (nc.isRelative()) dsc.append("\" relative=\"").append(nc.isRelative());
    dsc.append("\">\n");

    dsc.append("    <class name=\"").append(nc.getClassName()).append("\"");
    if (outOfScope) dsc.append(" inscope=\"false\"");
    dsc.append("/>\n  </name>\n");
  }
  dsc.append("</context>");
  return dsc.toString();
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
/**
 * {@inheritDoc}
 */
public NamingEnumeration<NameClassPair> list(Name name)
        throws NamingException {
    if (!(name instanceof CompositeName)) {
        // jndi.26=URL context can't accept non-composite name: {0}
        throw new InvalidNameException(Messages.getString("jndi.26", name)); //$NON-NLS-1$
    }

    if (name.size() == 1) {
        return list(name.get(0));
    }
    Context context = getContinuationContext(name);

    try {
        return context.list(name.getSuffix(1));
    } finally {
        context.close();
    }
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
public void testAttributeDefinition() throws NamingException {
    addMoreAttributeData();
    MockLdapContext mockContext = new MockLdapContext(context, null, "");
    Attribute attr = new LdapAttribute("objectclass", mockContext);

    DirContext attributeDefinition = attr.getAttributeDefinition();
    NamingEnumeration<NameClassPair> ne = attributeDefinition.list("");
    assertFalse(ne.hasMore());

    try {
        ne = attributeDefinition.list("invalid");
        fail("Should throw NameNotFoundException");
    } catch (NameNotFoundException e) {
        // Expected.
    }

    Attributes schemaAttributes = attributeDefinition.getAttributes("");
    assertEquals(7, schemaAttributes.size());
    assertEquals("1.3.6.1.4.1.1466.115.121.1.38", schemaAttributes.get(
            "syntax").get());
    assertEquals("objectClass", schemaAttributes.get("name").get());
    assertEquals("2.5.4.0", schemaAttributes.get("numericoid").get());
    assertEquals("userApplications", schemaAttributes.get("usage").get());
    assertEquals("objectIdentifierMatch", schemaAttributes.get("equality")
            .get());
}
 

import javax.naming.NameClassPair; //導入依賴的package包/類
public void testSyntaxDefinition() throws NamingException {
    addMoreAttributeData();
    MockLdapContext mockContext = new MockLdapContext(context, null, "");
    Attribute attr = new LdapAttribute("objectclass", mockContext);
    DirContext attributeDefinition = attr.getAttributeSyntaxDefinition();
    NamingEnumeration<NameClassPair> ne = attributeDefinition.list("");
    assertFalse(ne.hasMore());

    try {
        ne = attributeDefinition.list("invalid");
        fail("Should throw NameNotFoundException");
    } catch (NameNotFoundException e) {
        // Expected.
    }
    Attributes schemaAttributes = attributeDefinition.getAttributes("");
    assertEquals(3, schemaAttributes.size());
    assertEquals("system", schemaAttributes.get("x-schema").get());
    assertEquals("true", schemaAttributes.get("x-is-human-readable").get());
    assertEquals("1.3.6.1.4.1.1466.115.121.1.38", schemaAttributes.get(
            "numericoid").get());
}