Examples with NamingException javax.naming.NamingException used on opensource projects

Example 6 with NamingException

use of javax.naming.NamingException in project jetty.project by eclipse.

the class localContextRoot method bind.

/**
     *
     *
     * @see javax.naming.Context#bind(javax.naming.Name, java.lang.Object)
     */
public void bind(Name name, Object obj) throws NamingException {
    synchronized (__root) {
        if (__root.isLocked())
            throw new NamingException("This context is immutable");
        Name cname = __root.toCanonicalName(name);
        if (cname == null)
            throw new NamingException("Name is null");
        if (cname.size() == 0)
            throw new NamingException("Name is empty");
        //if no subcontexts, just bind it
        if (cname.size() == 1) {
            //get the object to be bound
            Object objToBind = NamingManager.getStateToBind(obj, name, this, _env);
            // Check for Referenceable
            if (objToBind instanceof Referenceable) {
                objToBind = ((Referenceable) objToBind).getReference();
            }
            //anything else we should be able to bind directly
            __root.addBinding(cname, objToBind);
        } else {
            if (__log.isDebugEnabled())
                __log.debug("Checking for existing binding for name=" + cname + " for first element of name=" + cname.get(0));
            //walk down the subcontext hierarchy
            //need to ignore trailing empty "" name components
            String firstComponent = cname.get(0);
            Object ctx = null;
            if (firstComponent.equals(""))
                ctx = this;
            else {
                Binding binding = __root.getBinding(firstComponent);
                if (binding == null)
                    throw new NameNotFoundException(firstComponent + " is not bound");
                ctx = binding.getObject();
                if (ctx instanceof Reference) {
                    //deference the object
                    try {
                        ctx = NamingManager.getObjectInstance(ctx, getNameParser("").parse(firstComponent), this, _env);
                    } catch (NamingException e) {
                        throw e;
                    } catch (Exception e) {
                        __log.warn("", e);
                        throw new NamingException(e.getMessage());
                    }
                }
            }
            if (ctx instanceof Context) {
                ((Context) ctx).bind(cname.getSuffix(1), obj);
            } else
                throw new NotContextException("Object bound at " + firstComponent + " is not a Context");
        }
    }
}

Example 7 with NamingException

use of javax.naming.NamingException in project jetty.project by eclipse.

the class TestJNDI method testIt.

@Test
public void testIt() throws Exception {
    //set up some classloaders
    Thread currentThread = Thread.currentThread();
    ClassLoader currentLoader = currentThread.getContextClassLoader();
    ClassLoader childLoader1 = new URLClassLoader(new URL[0], currentLoader);
    ClassLoader childLoader2 = new URLClassLoader(new URL[0], currentLoader);
    try {
        //Uncomment to aid with debug
        /*
            javaRootURLContext.getRoot().addListener(new NamingContext.Listener()
            {
                public void unbind(NamingContext ctx, Binding binding)
                {
                    System.err.println("java unbind "+binding+" from "+ctx.getName());
                }
                
                public Binding bind(NamingContext ctx, Binding binding)
                {
                    System.err.println("java bind "+binding+" to "+ctx.getName());
                    return binding;
                }
            });
            
            localContextRoot.getRoot().addListener(new NamingContext.Listener()
            {
                public void unbind(NamingContext ctx, Binding binding)
                {
                    System.err.println("local unbind "+binding+" from "+ctx.getName());
                }
                
                public Binding bind(NamingContext ctx, Binding binding)
                {
                    System.err.println("local bind "+binding+" to "+ctx.getName());
                    return binding;
                }
            });
            */
        //Set up the tccl before doing any jndi operations
        currentThread.setContextClassLoader(childLoader1);
        InitialContext initCtx = new InitialContext();
        //Test we can lookup the root java: naming tree
        Context sub0 = (Context) initCtx.lookup("java:");
        assertNotNull(sub0);
        //already be bound 
        try {
            Context sub1 = sub0.createSubcontext("comp");
            fail("Comp should already be bound");
        } catch (NameAlreadyBoundException e) {
        //expected exception
        }
        //check bindings at comp
        Context sub1 = (Context) initCtx.lookup("java:comp");
        assertNotNull(sub1);
        Context sub2 = sub1.createSubcontext("env");
        assertNotNull(sub2);
        initCtx.bind("java:comp/env/rubbish", "abc");
        assertEquals("abc", initCtx.lookup("java:comp/env/rubbish"));
        //check binding LinkRefs
        LinkRef link = new LinkRef("java:comp/env/rubbish");
        initCtx.bind("java:comp/env/poubelle", link);
        assertEquals("abc", initCtx.lookup("java:comp/env/poubelle"));
        //check binding References
        StringRefAddr addr = new StringRefAddr("blah", "myReferenceable");
        Reference ref = new Reference(java.lang.String.class.getName(), addr, MyObjectFactory.class.getName(), null);
        initCtx.bind("java:comp/env/quatsch", ref);
        assertEquals(MyObjectFactory.myString, initCtx.lookup("java:comp/env/quatsch"));
        //test binding something at java:
        Context sub3 = initCtx.createSubcontext("java:zero");
        initCtx.bind("java:zero/one", "ONE");
        assertEquals("ONE", initCtx.lookup("java:zero/one"));
        //change the current thread's classloader to check distinct naming
        currentThread.setContextClassLoader(childLoader2);
        Context otherSub1 = (Context) initCtx.lookup("java:comp");
        assertTrue(!(sub1 == otherSub1));
        try {
            initCtx.lookup("java:comp/env/rubbish");
            fail("env should not exist for this classloader");
        } catch (NameNotFoundException e) {
        //expected
        }
        //put the thread's classloader back
        currentThread.setContextClassLoader(childLoader1);
        //test rebind with existing binding
        initCtx.rebind("java:comp/env/rubbish", "xyz");
        assertEquals("xyz", initCtx.lookup("java:comp/env/rubbish"));
        //test rebind with no existing binding
        initCtx.rebind("java:comp/env/mullheim", "hij");
        assertEquals("hij", initCtx.lookup("java:comp/env/mullheim"));
        //test that the other bindings are already there
        assertEquals("xyz", initCtx.lookup("java:comp/env/poubelle"));
        //test java:/comp/env/stuff
        assertEquals("xyz", initCtx.lookup("java:/comp/env/poubelle/"));
        //test list Names
        NamingEnumeration nenum = initCtx.list("java:comp/env");
        HashMap results = new HashMap();
        while (nenum.hasMore()) {
            NameClassPair ncp = (NameClassPair) nenum.next();
            results.put(ncp.getName(), ncp.getClassName());
        }
        assertEquals(4, results.size());
        assertEquals("java.lang.String", results.get("rubbish"));
        assertEquals("javax.naming.LinkRef", results.get("poubelle"));
        assertEquals("java.lang.String", results.get("mullheim"));
        assertEquals("javax.naming.Reference", results.get("quatsch"));
        //test list Bindings
        NamingEnumeration benum = initCtx.list("java:comp/env");
        assertEquals(4, results.size());
        //test NameInNamespace
        assertEquals("comp/env", sub2.getNameInNamespace());
        //test close does nothing
        Context closeCtx = (Context) initCtx.lookup("java:comp/env");
        closeCtx.close();
        //test what happens when you close an initial context
        InitialContext closeInit = new InitialContext();
        closeInit.close();
        //check locking the context
        Context ectx = (Context) initCtx.lookup("java:comp");
        ectx.bind("crud", "xxx");
        ectx.addToEnvironment("org.eclipse.jndi.immutable", "TRUE");
        assertEquals("xxx", initCtx.lookup("java:comp/crud"));
        try {
            ectx.bind("crud2", "xxx2");
        } catch (NamingException ne) {
        //expected failure to modify immutable context
        }
        initCtx.close();
    } finally {
        //make some effort to clean up
        InitialContext ic = new InitialContext();
        Context java = (Context) ic.lookup("java:");
        java.destroySubcontext("zero");
        java.destroySubcontext("fee");
        currentThread.setContextClassLoader(childLoader1);
        Context comp = (Context) ic.lookup("java:comp");
        comp.destroySubcontext("env");
        comp.unbind("crud");
        comp.unbind("crud2");
        currentThread.setContextClassLoader(currentLoader);
    }
}

Example 8 with NamingException

use of javax.naming.NamingException in project jetty.project by eclipse.

the class NamingContext method lookup.

/*------------------------------------------------*/
/**
     * Lookup a binding by name
     *
     * @param name name of bound object
     * @exception NamingException if an error occurs
     */
public Object lookup(Name name) throws NamingException {
    if (__log.isDebugEnabled())
        __log.debug("Looking up name=\"" + name + "\"");
    Name cname = toCanonicalName(name);
    if ((cname == null) || (cname.size() == 0)) {
        __log.debug("Null or empty name, returning copy of this context");
        NamingContext ctx = new NamingContext(_env, _name, _parent, _parser);
        ctx._bindings = _bindings;
        return ctx;
    }
    if (cname.size() == 1) {
        Binding binding = getBinding(cname);
        if (binding == null) {
            NameNotFoundException nnfe = new NameNotFoundException();
            nnfe.setRemainingName(cname);
            throw nnfe;
        }
        Object o = binding.getObject();
        //handle links by looking up the link
        if (o instanceof LinkRef) {
            //if link name starts with ./ it is relative to current context
            String linkName = ((LinkRef) o).getLinkName();
            if (linkName.startsWith("./"))
                return this.lookup(linkName.substring(2));
            else {
                //link name is absolute
                InitialContext ictx = new InitialContext();
                return ictx.lookup(linkName);
            }
        } else if (o instanceof Reference) {
            //deference the object
            try {
                return NamingManager.getObjectInstance(o, cname, this, _env);
            } catch (NamingException e) {
                throw e;
            } catch (Exception e) {
                __log.warn("", e);
                throw new NamingException(e.getMessage());
            }
        } else
            return o;
    }
    //it is a multipart name, recurse to the first subcontext
    String firstComponent = cname.get(0);
    Object ctx = null;
    if (firstComponent.equals(""))
        ctx = this;
    else {
        Binding binding = getBinding(firstComponent);
        if (binding == null) {
            NameNotFoundException nnfe = new NameNotFoundException();
            nnfe.setRemainingName(cname);
            throw nnfe;
        }
        //as we have bound a reference to an object factory
        //for the component specific contexts
        //at "comp" we need to resolve the reference
        ctx = binding.getObject();
        if (ctx instanceof Reference) {
            //deference the object
            try {
                ctx = NamingManager.getObjectInstance(ctx, getNameParser("").parse(firstComponent), this, _env);
            } catch (NamingException e) {
                throw e;
            } catch (Exception e) {
                __log.warn("", e);
                throw new NamingException(e.getMessage());
            }
        }
    }
    if (!(ctx instanceof Context))
        throw new NotContextException();
    return ((Context) ctx).lookup(cname.getSuffix(1));
}

Example 9 with NamingException

use of javax.naming.NamingException in project jetty.project by eclipse.

the class NamingContext method createSubcontext.

/*------------------------------------------------*/
/**
     * Create a context as a child of this one
     *
     * @param name a <code>Name</code> value
     * @return a <code>Context</code> value
     * @exception NamingException if an error occurs
     */
public Context createSubcontext(Name name) throws NamingException {
    if (isLocked()) {
        NamingException ne = new NamingException("This context is immutable");
        ne.setRemainingName(name);
        throw ne;
    }
    Name cname = toCanonicalName(name);
    if (cname == null)
        throw new NamingException("Name is null");
    if (cname.size() == 0)
        throw new NamingException("Name is empty");
    if (cname.size() == 1) {
        //not permitted to bind if something already bound at that name
        Binding binding = getBinding(cname);
        if (binding != null)
            throw new NameAlreadyBoundException(cname.toString());
        Context ctx = new NamingContext((Hashtable) _env.clone(), cname.get(0), this, _parser);
        addBinding(cname, ctx);
        return ctx;
    }
    //If the name has multiple subcontexts, walk the hierarchy by
    //fetching the first one. All intermediate subcontexts in the
    //name must already exist.
    String firstComponent = cname.get(0);
    Object ctx = null;
    if (firstComponent.equals(""))
        ctx = this;
    else {
        Binding binding = getBinding(firstComponent);
        if (binding == null)
            throw new NameNotFoundException(firstComponent + " is not bound");
        ctx = binding.getObject();
        if (ctx instanceof Reference) {
            //deference the object
            if (__log.isDebugEnabled())
                __log.debug("Object bound at " + firstComponent + " is a Reference");
            try {
                ctx = NamingManager.getObjectInstance(ctx, getNameParser("").parse(firstComponent), this, _env);
            } catch (NamingException e) {
                throw e;
            } catch (Exception e) {
                __log.warn("", e);
                throw new NamingException(e.getMessage());
            }
        }
    }
    if (ctx instanceof Context) {
        return ((Context) ctx).createSubcontext(cname.getSuffix(1));
    } else
        throw new NotContextException(firstComponent + " is not a Context");
}

Example 10 with NamingException

use of javax.naming.NamingException in project jetty.project by eclipse.

the class NamingContext method list.

/*------------------------------------------------*/
/**
     * List all names bound at Context named by Name
     *
     * @param name a <code>Name</code> value
     * @return a <code>NamingEnumeration</code> value
     * @exception NamingException if an error occurs
     */
public NamingEnumeration list(Name name) throws NamingException {
    if (__log.isDebugEnabled())
        __log.debug("list() on Context=" + getName() + " for name=" + name);
    Name cname = toCanonicalName(name);
    if (cname == null) {
        return new NameEnumeration(__empty.iterator());
    }
    if (cname.size() == 0) {
        return new NameEnumeration(_bindings.values().iterator());
    }
    //multipart name
    String firstComponent = cname.get(0);
    Object ctx = null;
    if (firstComponent.equals(""))
        ctx = this;
    else {
        Binding binding = getBinding(firstComponent);
        if (binding == null)
            throw new NameNotFoundException();
        ctx = binding.getObject();
        if (ctx instanceof Reference) {
            //deference the object
            if (__log.isDebugEnabled())
                __log.debug("Dereferencing Reference for " + name.get(0));
            try {
                ctx = NamingManager.getObjectInstance(ctx, getNameParser("").parse(firstComponent), this, _env);
            } catch (NamingException e) {
                throw e;
            } catch (Exception e) {
                __log.warn("", e);
                throw new NamingException(e.getMessage());
            }
        }
    }
    if (!(ctx instanceof Context))
        throw new NotContextException();
    return ((Context) ctx).list(cname.getSuffix(1));
}