These impls are quite simple ...
No one so far ever needed something like this
On Wed, Jan 16, 2013 at 1:14 PM, Oscar Besga Arcauz <obe...@isdefe.es>wrote:
> I've made a class, extending the DefaultPageManagerProvider to avoid
> Wicket page store (in order recreate every page at every request from users)
>
>
> I'm testing it, and found no problems - for now.
>
> Take a look; I'm thinking about sending it to JIRA as an improvement
>
>
> /**
> * User: obesga
> * Date: 16-jan-2013
> * Page manager that does not store any page, nor any bit
> */
> public class VoidPageManagerProvider extends DefaultPageManagerProvider {
>
> // Common properties
> private IPageManagerContext iPageManagerContext;
> private IPageManager iPageManager;
> private IDataStore iDataStore;
> private IPageStore iPageStore;
>
> /**
> * Basic construftor
> * @param application Actual application
> */
> public VoidPageManagerProvider(Application application) {
> super(application);
> iPageManagerContext = new DefaultPageManagerContext();
> iDataStore = new VoidIDataStore();
> iPageStore = new VoidIPageStore();
> iPageManager = new
> VoidPageStoreManager(application.getName(),iPageStore,iPageManagerContext);
> }
>
> @Override
> public IPageManager get(IPageManagerContext pageManagerContext) {
> return iPageManager;
> }
>
> @Override
> protected IPageStore newPageStore(IDataStore dataStore) {
> return iPageStore;
> }
>
> @Override
> protected IDataStore newDataStore() {
> return iDataStore;
> }
>
> /**
> * A data store that doesn't store a byte
> */
> private class VoidIDataStore implements IDataStore {
>
> public byte[] getData(String s, int i) {
> return null;
> }
>
> public void removeData(String s, int i) {
> }
>
> public void removeData(String s) {
> }
>
> public void storeData(String s, int i, byte[] bytes) {
> }
>
> public void destroy() {
> }
>
> public boolean isReplicated() {
> return true;
> }
>
> public boolean canBeAsynchronous() {
> return true;
> }
> }
>
> /**
> * A page store that doesn't store a page
> */
> private class VoidIPageStore implements IPageStore {
>
> public void destroy() {
>
> }
>
> public IManageablePage getPage(String s, int i) {
> return null;
> }
>
> public void removePage(String s, int i) {
>
> }
>
> public void storePage(String s, IManageablePage iManageablePage) {
>
> }
>
> public void unbind(String s) {
>
> }
>
> public Serializable prepareForSerialization(String s, Object o) {
> return null;
> }
>
> public Object restoreAfterSerialization(Serializable serializable)
> {
> return null;
> }
>
> public IManageablePage convertToPage(Object o) {
> return null;
> }
> }
>
> /**
> * The basic store manager, extended to not support versioning
> */
> private class VoidPageStoreManager extends PageStoreManager implements
> IPageManager {
>
> public VoidPageStoreManager(String applicationName, IPageStore
> pageStore, IPageManagerContext context) {
> super(applicationName, pageStore, context);
> }
>
> @Override
> public boolean supportsVersioning() {
> return false;
> }
> }
>
>
> }
>
>
>
>
>
> > > > Oscar Besga Arcauz < < <
>
> -----Martin Grigorov <mgrigo...@apache.org> escribió: -----
> Para: users@wicket.apache.org
> De: Martin Grigorov <mgrigo...@apache.org>
> Fecha: 16/01/2013 09:00
> Asunto: Re: Do not cache pages, nor in application, nor in browser
>
> Hi,
>
>
> On Tue, Jan 15, 2013 at 7:59 PM, Oscar Besga Arcauz <obe...@isdefe.es
> >wrote:
>
> >
> >
> > I use these code in order to avoid web page cache, in browser and in
> > wicket application;
> > also I want to avoid disk caching and serialization
> >
> > I'm using Wicket6
> >
> >
> > ¿ Do you see this code correct ? ¿ Is there any easier way to accomplish
> > this ?
> >
> > /**
> > * App
> > */
> > public class MyApplication extends WebApplication {
> > @Override
> > public void init() {
> > super.init();
> > setPageManagerProvider(new MyPageManagerProvider(this));
> > }
> >
> > /**
> > * shall not save
> > */
> > private class MyPageManagerProvider extends
> DefaultPageManagerProvider
> > {
> >
> > private MyPageManagerProvider(Application application) {
> > super(application);
> > }
> >
> >
> > @Override
> > protected IDataStore newDataStore() {
> > // guardamos tod o en memoria
> > return new HttpSessionDataStore(new
> > DefaultPageManagerContext(), new PageNumberEvictionStrategy(0));
> >
>
> You can use getStoreSettings#setMaxSizePerSession(Bytes.bytes(1)) with the
> default DiskDataStore too.
> But your approach is better because this way you don't do IO operations.
>
>
> > }
> >
> > }
> >
> > }
> >
> >
> >
> >
> /******************************************************************************************/
> >
> > /**
> > * Web Page
> > */
> > public class MyPage extends WebPage {
> >
> > @Override
> > protected void setHeaders(WebResponse response) {
> > super.setHeaders(response);
> > response.setHeader("X-Frame-Options","deny"); // Avoid IFRFAMES
> > response.setHeader("Cache-Control",
> >
> "no-cache,no-store,private,must-revalidate,max-stale=0,post-check=0,pre-check=0");
> > response.setHeader("Expires","0");
> > response.setHeader("Pragma", "no-cache");
> > response.disableCaching();
> >
>
> You probably want to call #disableCaching() *before* your setHeader()
> calls. Currently #disableCaching() overrides some of them.
>
>
> > }
> >
> > }
> >
> >
> >
> >
> > > > > Oscar Besga Arcauz < < <
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> >
>
>
> --
> Martin Grigorov
> jWeekend
> Training, Consulting, Development
> http://jWeekend.com <http://jweekend.com/>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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>
>
--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com <http://jweekend.com/>
