Re: [Simpleweb-Support] Multiple File Roots
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Re: [Simpleweb-Support] Multiple File Roots
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From: Carfield Y. <car...@ca...> - 2005-11-29 04:12:00
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On 11/29/05, Brian Davis <wic...@gm...> wrote:
> Hmm.. this works... can it be better?
>
> public class Server
> {
> public Server(Host host) throws Exception
> {
> _host =3D host;
>
> MyLoaderEngine engine =3D new MyLoaderEngine();
>
> Iterator it =3D _host.roots();
>
> while (it.hasNext())
> {
> File root =3D (File) it.next();
>
> engine.addContext(new FileContext(root));
> }
>
> engine.load("directory",
> "com.wickedfastsolutions.server.app.DirectoryListingService");
> engine.load("default",
> "com.wickedfastsolutions.server.app.WickedfastService");
>
> engine.link("*", "default");
>
> ProtocolHandler handler =3D ProtocolHandlerFactory.getInstance(en=
gine);
>
> handler =3D new ServerHandler(handler);
>
> Connection connection =3D ConnectionFactory.getConnection(handler=
);
>
> connection.connect(new ServerSocket(_host.getPort(), 50,
> InetAddress.getByName(_host.getAddress())));
>
> System.err.println("Current Time is " + new Date());
> System.err.println("Server is running at " +
> _host.getAddress() + " port " + _host.getPort());
> }
>
> public static void main(String[] args) throws Exception
> {
> Host host =3D new Host();
>
> host.addRoot(new File("test/templates"));
> host.addRoot(new File("test/templates2"));
> host.setAddress("127.0.0.1");
> host.setPort(2000);
>
> new Server(host);
> }
>
> public Host getHost()
> {
> return _host;
> }
>
> private Host _host;
> }
>
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> public class MyLoaderEngine implements LoaderManager, ResourceEngine
> {
> public MyLoaderEngine()
> {
> }
>
> public void addContext(Context context)
> {
> try
> {
> _contexts.add(new LoaderEngine(context));
> }
>
> catch (IOException ex)
> {
> throw new RuntimeException(ex.getMessage());
> }
> }
>
> public void update(String name, Loader loader)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.update(name, loader);
> }
> }
>
> public void remove(String name)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.remove(name);
> }
> }
>
> public void load(String name, String className) throws LoadingExceptio=
n
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.load(name, className);
> }
> }
>
> public void load(String name, String className, Object data) throws
> LoadingException
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.load(name, className, data);
> }
> }
>
> public void unload(String name)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.unload(name);
> }
> }
>
> public void link(String pattern, String name)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.link(pattern, name);
> }
> }
>
> public void link(String pattern, String name, int pos)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.link(pattern, name, pos);
> }
> }
>
> public void unlink(String pattern)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.unlink(pattern);
> }
> }
>
> public void unlink(Match match)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> engine.unlink(match);
> }
> }
>
> public synchronized Resource resolve(String target)
> {
> Iterator it =3D _contexts.iterator();
>
> while (it.hasNext())
> {
> try
> {
> LoaderEngine engine =3D (LoaderEngine) it.next();
>
> String path =3D engine.context.getRequestPath(target);
> String name =3D engine.resolver.resolve(path);
>
> if (engine.registry.contains(name))
> {
> Context context =3D engine.context;
>
> File file =3D context.getLocator().getFile(target);
>
> if (!file.isHidden() && file.canRead())
> {
> return engine.registry.retrieve(name);
> }
> }
> }
>
> catch (LocateException ex)
> {
> }
> }
>
> return new NotFound(new FileContext(new File("/")));
> }
>
> private class NotFound extends BasicResource {
> public NotFound(Context context) {
> this.context =3D context;
> }
> public void process(Request req, Response resp) {
> handle(req, resp, new StatusReport(404));
> }
> }
>
> private ArrayList _contexts =3D new ArrayList();
> }
>
> Thanks!
>
>
> On 11/28/05, Niall Gallagher <gal...@ya...> wrote:
> > Hi Brian,
> >
> > No, you do not have to rewrite the LoaderEngine to do
> > this. What you can do is extend it in much the same
> > way as the MapperEngine does. If you wish to add
> > multiple paths to the classpath used by the loader
> > engine then you can delegate to the following
> > constructor.
> >
> > LoaderEngine(Context context, URL[] codebase);
> >
> > Simply add additional URLs in the form
> > file:///a/b/c/path, etc. If you would like the Context
> > to find files from multiple roots, then you should
> > consider using the Locator. The locator performs a
> > search for files from multiple locations. I typically
> > use this for loading configuration files. The
> > simple.http.serve.FileLocator is good for this. For
> > example you could use:
> >
> > Locator loc =3D context.getLocator();
> >
> > loc.getFile("/my/file.txt");
> >
> > The file is searched for within all roots specified to
> > the FileLocator. To increase the number of roots you
> > can do the following:
> >
> > new FileLocator(new File[]{new File("root1"), new
> > File("root2")});
> >
> > Also you will have to extend the FileContext like
> > follows:
> >
> > class MyFileContext extends FileContext {
> >
> > private Locator loc;
> >
> > public MyFileContext(File base, Locator loc) {
> > super(base);
> > this.loc =3D loc;
> > }
> >
> > public Locator getLocator() {
> > return loc;
> > }
> > }
> >
> > Hope this helps.
> >
> > Niall
> >
> >
> > --- Brian Davis <wic...@gm...> wrote:
> >
> > > Hi
> > >
> > > I am using a FileContext with a LoaderEngine to set
> > > the 'root' of the
> > > web server.
> > >
> > > FileContext context =3D new FileContext(new
> > > File("webserverroot/"));
> > >
> > > LoaderEngine engine =3D new
> > > LoaderEngine(context);
> > >
> > >
> > > This works just dandy.. but I would like to support
> > > the concept of
> > > multiple server roots...
> > >
> > > Do I have to rewrite the LoaderEngine to accomplish
> > > this?
> > >
> > > LoaderEngine engine =3D new LoaderEngine();
> > >
> > > engine.addContext(new FileContext(new
> > > File("root1"));
> > > engine.addContext(new FileContext(new
> > > File("root2"));
> > >
> > > Also.. would be nice if the resolver tried to
> > > resolve in root1.. then
> > > root2.. then fail..
> > >
> > > Any help would be much appreciated..
> > >
> > > Thanks!
> > >
> > > Brian
> > >
> > >
> > >
> > -------------------------------------------------------
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> > > _______________________________________________
> > > Simpleweb-Support mailing list
> > > Sim...@li...
> > >
> > https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> > >
> >
> >
> > Niall Gallagher
> >
> >
> >
> >
> > __________________________________
> > Yahoo! Mail - PC Magazine Editors' Choice 2005
> > http://mail.yahoo.com
> >
> >
> > -------------------------------------------------------
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> > _______________________________________________
> > Simpleweb-Support mailing list
> > Sim...@li...
> > https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> >
>
>
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