context.java

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    /**
     * Return the defined local EJB resource references for this application.
     * If there are none, a zero-length array is returned.
     */
    public ContextLocalEjb[] findLocalEjbs();


    /**
     * Return the MIME type to which the specified extension is mapped,
     * if any; otherwise return <code>null</code>.
     *
     * @param extension Extension to map to a MIME type
     */
    public String findMimeMapping(String extension);


    /**
     * Return the extensions for which MIME mappings are defined.  If there
     * are none, a zero-length array is returned.
     */
    public String[] findMimeMappings();


    /**
     * Return the value for the specified context initialization
     * parameter name, if any; otherwise return <code>null</code>.
     *
     * @param name Name of the parameter to return
     */
    public String findParameter(String name);


    /**
     * Return the names of all defined context initialization parameters
     * for this Context.  If no parameters are defined, a zero-length
     * array is returned.
     */
    public String[] findParameters();


    /**
     * Return the resource reference with the specified name, if any;
     * otherwise return <code>null</code>.
     *
     * @param name Name of the desired resource reference
     */
    public ContextResource findResource(String name);


    /**
     * Return the resource environment reference type for the specified
     * name, if any; otherwise return <code>null</code>.
     *
     * @param name Name of the desired resource environment reference
     */
    public String findResourceEnvRef(String name);


    /**
     * Return the set of resource environment reference names for this
     * web application.  If none have been specified, a zero-length
     * array is returned.
     */
    public String[] findResourceEnvRefs();


    /**
     * Return the resource link with the specified name, if any;
     * otherwise return <code>null</code>.
     *
     * @param name Name of the desired resource link
     */
    public ContextResourceLink findResourceLink(String name);


    /**
     * Return the defined resource links for this application.  If
     * none have been defined, a zero-length array is returned.
     */
    public ContextResourceLink[] findResourceLinks();


    /**
     * Return the defined resource references for this application.  If
     * none have been defined, a zero-length array is returned.
     */
    public ContextResource[] findResources();


    /**
     * For the given security role (as used by an application), return the
     * corresponding role name (as defined by the underlying Realm) if there
     * is one.  Otherwise, return the specified role unchanged.
     *
     * @param role Security role to map
     */
    public String findRoleMapping(String role);


    /**
     * Return <code>true</code> if the specified security role is defined
     * for this application; otherwise return <code>false</code>.
     *
     * @param role Security role to verify
     */
    public boolean findSecurityRole(String role);


    /**
     * Return the security roles defined for this application.  If none
     * have been defined, a zero-length array is returned.
     */
    public String[] findSecurityRoles();


    /**
     * Return the servlet name mapped by the specified pattern (if any);
     * otherwise return <code>null</code>.
     *
     * @param pattern Pattern for which a mapping is requested
     */
    public String findServletMapping(String pattern);


    /**
     * Return the patterns of all defined servlet mappings for this
     * Context.  If no mappings are defined, a zero-length array is returned.
     */
    public String[] findServletMappings();


    /**
     * Return the context-relative URI of the error page for the specified
     * HTTP status code, if any; otherwise return <code>null</code>.
     *
     * @param status HTTP status code to look up
     */
    public String findStatusPage(int status);


    /**
     * Return the set of HTTP status codes for which error pages have
     * been specified.  If none are specified, a zero-length array
     * is returned.
     */
    public int[] findStatusPages();


    /**
     * Return the tag library descriptor location for the specified taglib
     * URI, if any; otherwise, return <code>null</code>.
     *
     * @param uri URI, relative to the web.xml file
     */
    public String findTaglib(String uri);


    /**
     * Return the URIs of all tag libraries for which a tag library
     * descriptor location has been specified.  If none are specified,
     * a zero-length array is returned.
     */
    public String[] findTaglibs();


    /**
     * Return <code>true</code> if the specified welcome file is defined
     * for this Context; otherwise return <code>false</code>.
     *
     * @param name Welcome file to verify
     */
    public boolean findWelcomeFile(String name);


    /**
     * Return the set of welcome files defined for this Context.  If none are
     * defined, a zero-length array is returned.
     */
    public String[] findWelcomeFiles();


    /**
     * Return the set of LifecycleListener classes that will be added to
     * newly created Wrappers automatically.
     */
    public String[] findWrapperLifecycles();


    /**
     * Return the set of ContainerListener classes that will be added to
     * newly created Wrappers automatically.
     */
    public String[] findWrapperListeners();


    /**
     * Reload this web application, if reloading is supported.
     *
     * @exception IllegalStateException if the <code>reloadable</code>
     *  property is set to <code>false</code>.
     */
    public void reload();


    /**
     * Remove the specified application listener class from the set of
     * listeners for this application.
     *
     * @param listener Java class name of the listener to be removed
     */
    public void removeApplicationListener(String listener);


    /**
     * Remove the application parameter with the specified name from
     * the set for this application.
     *
     * @param name Name of the application parameter to remove
     */
    public void removeApplicationParameter(String name);


    /**
     * Remove the specified security constraint from this web application.
     *
     * @param constraint Constraint to be removed
     */
    public void removeConstraint(SecurityConstraint constraint);


    /**
     * Remove any EJB resource reference with the specified name.
     *
     * @param name Name of the EJB resource reference to remove
     */
    public void removeEjb(String name);


    /**
     * Remove any environment entry with the specified name.
     *
     * @param name Name of the environment entry to remove
     */
    public void removeEnvironment(String name);


    /**
     * Remove the error page for the specified error code or
     * Java language exception, if it exists; otherwise, no action is taken.
     *
     * @param errorPage The error page definition to be removed
     */
    public void removeErrorPage(ErrorPage errorPage);


    /**
     * Remove the specified filter definition from this Context, if it exists;
     * otherwise, no action is taken.
     *
     * @param filterDef Filter definition to be removed
     */
    public void removeFilterDef(FilterDef filterDef);


    /**
     * Remove a filter mapping from this Context.
     *
     * @param filterMap The filter mapping to be removed
     */
    public void removeFilterMap(FilterMap filterMap);


    /**
     * Remove a class name from the set of InstanceListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of an InstanceListener class to be removed
     */
    public void removeInstanceListener(String listener);


    /**
     * Remove any local EJB resource reference with the specified name.
     *
     * @param name Name of the EJB resource reference to remove
     */
    public void removeLocalEjb(String name);


    /**
     * Remove the MIME mapping for the specified extension, if it exists;
     * otherwise, no action is taken.
     *
     * @param extension Extension to remove the mapping for
     */
    public void removeMimeMapping(String extension);


    /**
     * Remove the context initialization parameter with the specified
     * name, if it exists; otherwise, no action is taken.
     *
     * @param name Name of the parameter to remove
     */
    public void removeParameter(String name);


    /**
     * Remove any resource reference with the specified name.
     *
     * @param name Name of the resource reference to remove
     */
    public void removeResource(String name);


    /**
     * Remove any resource environment reference with the specified name.
     *
     * @param name Name of the resource environment reference to remove
     */
    public void removeResourceEnvRef(String name);


    /**
     * Remove any resource link with the specified name.
     *
     * @param name Name of the resource link to remove
     */
    public void removeResourceLink(String name);


    /**
     * Remove any security role reference for the specified name
     *
     * @param role Security role (as used in the application) to remove
     */
    public void removeRoleMapping(String role);


    /**
     * Remove any security role with the specified name.
     *
     * @param role Security role to remove
     */
    public void removeSecurityRole(String role);


    /**
     * Remove any servlet mapping for the specified pattern, if it exists;
     * otherwise, no action is taken.
     *
     * @param pattern URL pattern of the mapping to remove
     */
    public void removeServletMapping(String pattern);


    /**
     * Remove the tag library location forthe specified tag library URI.
     *
     * @param uri URI, relative to the web.xml file
     */
    public void removeTaglib(String uri);


    /**
     * Remove the specified welcome file name from the list recognized
     * by this Context.
     *
     * @param name Name of the welcome file to be removed
     */
    public void removeWelcomeFile(String name);


    /**
     * Remove a class name from the set of LifecycleListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of a LifecycleListener class to be removed
     */
    public void removeWrapperLifecycle(String listener);


    /**
     * Remove a class name from the set of ContainerListener classes that
     * will be added to newly created Wrappers.
     *
     * @param listener Class name of a ContainerListener class to be removed
     */
    public void removeWrapperListener(String listener);


}