wardircontext.java

业界著名的tomcat服务器的最新6.0的源代码。

     * Each element of the enumeration is of type Binding.
     * @exception NamingException if a naming exception is encountered
     */
    public NamingEnumeration listBindings(Name name)
        throws NamingException {
        if (name.isEmpty())
            return new NamingContextBindingsEnumeration(list(entries).iterator(),
                    this);
        Entry entry = treeLookup(name);
        if (entry == null)
            throw new NamingException
                (sm.getString("resources.notFound", name));
        return new NamingContextBindingsEnumeration(list(entry).iterator(),
                this);
    }


    /**
     * Destroys the named context and removes it from the namespace. Any 
     * attributes associated with the name are also removed. Intermediate 
     * contexts are not destroyed.
     * <p>
     * This method is idempotent. It succeeds even if the terminal atomic 
     * name is not bound in the target context, but throws 
     * NameNotFoundException if any of the intermediate contexts do not exist. 
     * 
     * In a federated naming system, a context from one naming system may be 
     * bound to a name in another. One can subsequently look up and perform 
     * operations on the foreign context using a composite name. However, an 
     * attempt destroy the context using this composite name will fail with 
     * NotContextException, because the foreign context is not a "subcontext" 
     * of the context in which it is bound. Instead, use unbind() to remove 
     * the binding of the foreign context. Destroying the foreign context 
     * requires that the destroySubcontext() be performed on a context from 
     * the foreign context's "native" naming system.
     * 
     * @param name the name of the context to be destroyed; may not be empty
     * @exception NameNotFoundException if an intermediate context does not 
     * exist
     * @exception NotContextException if the name is bound but does not name 
     * a context, or does not name a context of the appropriate type
     */
    public void destroySubcontext(String name)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Retrieves the named object, following links except for the terminal 
     * atomic component of the name. If the object bound to name is not a 
     * link, returns the object itself.
     * 
     * @param name the name of the object to look up
     * @return the object bound to name, not following the terminal link 
     * (if any).
     * @exception NamingException if a naming exception is encountered
     */
    public Object lookupLink(String name)
        throws NamingException {
        // Note : Links are not supported
        return lookup(name);
    }


    /**
     * Retrieves the full name of this context within its own namespace.
     * <p>
     * Many naming services have a notion of a "full name" for objects in 
     * their respective namespaces. For example, an LDAP entry has a 
     * distinguished name, and a DNS record has a fully qualified name. This 
     * method allows the client application to retrieve this name. The string 
     * returned by this method is not a JNDI composite name and should not be 
     * passed directly to context methods. In naming systems for which the 
     * notion of full name does not make sense, 
     * OperationNotSupportedException is thrown.
     * 
     * @return this context's name in its own namespace; never null
     * @exception OperationNotSupportedException if the naming system does 
     * not have the notion of a full name
     * @exception NamingException if a naming exception is encountered
     */
    public String getNameInNamespace()
        throws NamingException {
        return docBase;
    }


    // ----------------------------------------------------- DirContext Methods


    /**
     * Retrieves selected attributes associated with a named object. 
     * See the class description regarding attribute models, attribute type 
     * names, and operational attributes.
     * 
     * @return the requested attributes; never null
     * @param name the name of the object from which to retrieve attributes
     * @param attrIds the identifiers of the attributes to retrieve. null 
     * indicates that all attributes should be retrieved; an empty array 
     * indicates that none should be retrieved
     * @exception NamingException if a naming exception is encountered
     */
    public Attributes getAttributes(String name, String[] attrIds)
        throws NamingException {
        return getAttributes(new CompositeName(name), attrIds);
    }


    /**
     * Retrieves all of the attributes associated with a named object. 
     * 
     * @return the set of attributes associated with name. 
     * Returns an empty attribute set if name has no attributes; never null.
     * @param name the name of the object from which to retrieve attributes
     * @exception NamingException if a naming exception is encountered
     */
    public Attributes getAttributes(Name name, String[] attrIds)
        throws NamingException {
        
        Entry entry = null;
        if (name.isEmpty())
            entry = entries;
        else
            entry = treeLookup(name);
        if (entry == null)
            throw new NamingException
                (sm.getString("resources.notFound", name));
        
        ZipEntry zipEntry = entry.getEntry();

        ResourceAttributes attrs = new ResourceAttributes();
        attrs.setCreationDate(new Date(zipEntry.getTime()));
        attrs.setName(entry.getName());
        if (!zipEntry.isDirectory())
            attrs.setResourceType("");
        attrs.setContentLength(zipEntry.getSize());
        attrs.setLastModified(zipEntry.getTime());
        
        return attrs;
        
    }


    /**
     * Modifies the attributes associated with a named object. The order of 
     * the modifications is not specified. Where possible, the modifications 
     * are performed atomically.
     * 
     * @param name the name of the object whose attributes will be updated
     * @param mod_op the modification operation, one of: ADD_ATTRIBUTE, 
     * REPLACE_ATTRIBUTE, REMOVE_ATTRIBUTE
     * @param attrs the attributes to be used for the modification; may not 
     * be null
     * @exception AttributeModificationException if the modification cannot be
     * completed successfully
     * @exception NamingException if a naming exception is encountered
     */
    public void modifyAttributes(String name, int mod_op, Attributes attrs)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Modifies the attributes associated with a named object using an an 
     * ordered list of modifications. The modifications are performed in the 
     * order specified. Each modification specifies a modification operation 
     * code and an attribute on which to operate. Where possible, the 
     * modifications are performed atomically.
     * 
     * @param name the name of the object whose attributes will be updated
     * @param mods an ordered sequence of modifications to be performed; may 
     * not be null
     * @exception AttributeModificationException if the modification cannot be
     * completed successfully
     * @exception NamingException if a naming exception is encountered
     */
    public void modifyAttributes(String name, ModificationItem[] mods)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Binds a name to an object, along with associated attributes. If attrs 
     * is null, the resulting binding will have the attributes associated 
     * with obj if obj is a DirContext, and no attributes otherwise. If attrs 
     * is non-null, the resulting binding will have attrs as its attributes; 
     * any attributes associated with obj are ignored.
     * 
     * @param name the name to bind; may not be empty
     * @param obj the object to bind; possibly null
     * @param attrs the attributes to associate with the binding
     * @exception NameAlreadyBoundException if name is already bound
     * @exception InvalidAttributesException if some "mandatory" attributes 
     * of the binding are not supplied
     * @exception NamingException if a naming exception is encountered
     */
    public void bind(String name, Object obj, Attributes attrs)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Binds a name to an object, along with associated attributes, 
     * overwriting any existing binding. If attrs is null and obj is a 
     * DirContext, the attributes from obj are used. If attrs is null and obj 
     * is not a DirContext, any existing attributes associated with the object
     * already bound in the directory remain unchanged. If attrs is non-null, 
     * any existing attributes associated with the object already bound in 
     * the directory are removed and attrs is associated with the named 
     * object. If obj is a DirContext and attrs is non-null, the attributes 
     * of obj are ignored.
     * 
     * @param name the name to bind; may not be empty
     * @param obj the object to bind; possibly null
     * @param attrs the attributes to associate with the binding
     * @exception InvalidAttributesException if some "mandatory" attributes 
     * of the binding are not supplied
     * @exception NamingException if a naming exception is encountered
     */
    public void rebind(String name, Object obj, Attributes attrs)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Creates and binds a new context, along with associated attributes. 
     * This method creates a new subcontext with the given name, binds it in 
     * the target context (that named by all but terminal atomic component of 
     * the name), and associates the supplied attributes with the newly 
     * created object. All intermediate and target contexts must already 
     * exist. If attrs is null, this method is equivalent to 
     * Context.createSubcontext().
     * 
     * @param name the name of the context to create; may not be empty
     * @param attrs the attributes to associate with the newly created context
     * @return the newly created context
     * @exception NameAlreadyBoundException if the name is already bound
     * @exception InvalidAttributesException if attrs does not contain all 
     * the mandatory attributes required for creation
     * @exception NamingException if a naming exception is encountered
     */
    public DirContext createSubcontext(String name, Attributes attrs)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Retrieves the schema associated with the named object. The schema 
     * describes rules regarding the structure of the namespace and the 
     * attributes stored within it. The schema specifies what types of 
     * objects can be added to the directory and where they can be added; 
     * what mandatory and optional attributes an object can have. The range 
     * of support for schemas is directory-specific.
     * 
     * @param name the name of the object whose schema is to be retrieved
     * @return the schema associated with the context; never null
     * @exception OperationNotSupportedException if schema not supported
     * @exception NamingException if a naming exception is encountered
     */
    public DirContext getSchema(String name)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Retrieves a context containing the schema objects of the named 
     * object's class definitions.
     * 
     * @param name the name of the object whose object class definition is to 
     * be retrieved
     * @return the DirContext containing the named object's class 
     * definitions; never null
     * @exception OperationNotSupportedException if schema not supported
     * @exception NamingException if a naming exception is encountered
     */
    public DirContext getSchemaClassDefinition(String name)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Searches in a single context for objects that contain a specified set 
     * of attributes, and retrieves selected attributes. The search is 
     * performed using the default SearchControls settings.
     * 
     * @param name the name of the context to search
     * @param matchingAttributes the attributes to search for. If empty or 
     * null, all objects in the target context are returned.
     * @param attributesToReturn the attributes to return. null indicates 
     * that all attributes are to be returned; an empty array indicates that 
     * none are to be returned.
     * @return a non-null enumeration of SearchResult objects. Each 
     * SearchResult contains the attributes identified by attributesToReturn 
     * and the name of the corresponding object, named relative to the 
     * context named by name.
     * @exception NamingException if a naming exception is encountered
     */
    public NamingEnumeration search(String name, Attributes matchingAttributes,
                                    String[] attributesToReturn)
        throws NamingException {
        throw new OperationNotSupportedException();
    }


    /**
     * Searches in a single context for objects that contain a specified set 
     * of attributes. This method returns all the attributes of such objects. 
     * It is equivalent to supplying null as the atributesToReturn parameter 
     * to the method search(Name, Attributes, String[]).
     * 
     * @param name the name of the context to search