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

Example 1 with Binding

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

the class localContextRoot method unbind.

/**
     *
     *
     * @see javax.naming.Context#unbind(javax.naming.Name)
     */
public void unbind(Name name) throws NamingException {
    synchronized (__root) {
        if (name.size() == 0)
            return;
        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 unbind it
        if (cname.size() == 1) {
            __root.removeBinding(cname);
        } else {
            //walk down the subcontext hierarchy
            if (__log.isDebugEnabled())
                __log.debug("Checking for existing binding for name=" + cname + " for first element of name=" + cname.get(0));
            String firstComponent = cname.get(0);
            Object ctx = null;
            if (firstComponent.equals(""))
                ctx = this;
            else {
                Binding binding = __root.getBinding(name.get(0));
                if (binding == null)
                    throw new NameNotFoundException(name.get(0) + " is not bound");
                ctx = binding.getObject();
                if (ctx instanceof Reference) {
                    //deference the object
                    try {
                        ctx = NamingManager.getObjectInstance(ctx, getNameParser("").parse(firstComponent), __root, _env);
                    } catch (NamingException e) {
                        throw e;
                    } catch (Exception e) {
                        __log.warn("", e);
                        throw new NamingException(e.getMessage());
                    }
                }
            }
            if (ctx instanceof Context) {
                ((Context) ctx).unbind(cname.getSuffix(1));
            } else
                throw new NotContextException("Object bound at " + firstComponent + " is not a Context");
        }
    }
}

Example 2 with Binding

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

the class localContextRoot method list.

/**
     *
     *
     * @see javax.naming.Context#list(javax.naming.Name)
     */
public NamingEnumeration list(Name name) throws NamingException {
    synchronized (__root) {
        //return __root.list(getSuffix(name));
        Name cname = __root.toCanonicalName(name);
        if (cname == null) {
            List<Binding> empty = Collections.emptyList();
            return new NameEnumeration(empty.iterator());
        }
        if (cname.size() == 0) {
            return new NameEnumeration(__root.getBindings().values().iterator());
        }
        //multipart name
        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();
            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), __root, _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));
    }
}

Example 3 with Binding

use of javax.naming.Binding 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 4 with Binding

use of javax.naming.Binding 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 5 with Binding

use of javax.naming.Binding 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");
}