+sberlin

On Mon, Nov 8, 2010 at 3:08 PM, John Hjelmstad <[email protected]> wrote:

> If I were the Guice folks I would have proposed creating an OrderedSet, or
> perhaps UniquifiedList (if that's the point of Set here) interface in
> com.google.inject :)
>
> On Mon, Nov 8, 2010 at 3:03 PM, Henry Saputra <[email protected]
> >wrote:
>
> > Well, the concern is the definition of Set itself which is/should not
> > guarantee sequential/ordering of the contents.
> >
> > The default implementation does return an OrderedSet (via Guice module
> > based on the individual call to bind it) but the contract API change
> > from List to Set which does not guarantee ordering.
> >
> >
> > - Henry
> >
> > On Mon, Nov 8, 2010 at 2:52 PM, Paul Lindner <[email protected]> wrote:
> > > The nice part about the patch is that MultiBinding results in an
> Ordered
> > Set
> > > based on the order of the individual bind statements.
> > >
> > > So this means a third party module can only add a rewriter at the
> > beginning
> > > of the pipeline (by using a Guice Module that loads before the
> > > RewriterModule) or by adding a rewriter at the end of the pipeline (by
> > > adding a Guice Module that runs after the Rewrite Module)
> > >
> > > I suspect that one could also rejigger the order of the rewriters using
> > > Modules.override(), but that remains to be seen.
> > >
> > > On Mon, Nov 8, 2010 at 2:41 PM, John Hjelmstad <[email protected]>
> wrote:
> > >
> > >> Hi Paul:
> > >>
> > >> Fundamental problem here is that rewriter ordering is important: a Set
> > >> obviously doesn't offer that guarantee.
> > >>
> > >> I'd recommend we rejigger this implementation so that the Set-provided
> > >> rewriters come as an addendum to those provided as "core" by Shindig.
> If
> > >> relative ordering of *those* Rewriters is important, we can have
> > pre-core
> > >> and post-core Sets.
> > >>
> > >> Apologies for not having seen this in JIRA; my mailbox has gotten so
> > >> overstuffed of late that some of the messages get lost in the aether.
> > >>
> > >> --j
> > >>
> > >> On Thu, Nov 4, 2010 at 3:58 PM, <[email protected]> wrote:
> > >>
> > >> > Author: lindner
> > >> > Date: Thu Nov  4 22:58:54 2010
> > >> > New Revision: 1031332
> > >> >
> > >> > URL: http://svn.apache.org/viewvc?rev=1031332&view=rev
> > >> > Log:
> > >> > SHINDIG-1456 | Patch from Kai Feng Zhang | Allow modules to add new
> > >> > rewriters
> > >> >
> > >> > Modified:
> > >> >
> > >> >
> > >>
> >
>  
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/render/GadgetRewritersProvider.java
> > >> >
> > >> >
> > >>
> >
>  
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/RewriteModule.java
> > >> >
> > >> >
> > >>
> >
>  
> shindig/trunk/java/gadgets/src/test/java/org/apache/shindig/gadgets/render/HtmlRendererTest.java
> > >> >
> > >> > Modified:
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/render/GadgetRewritersProvider.java
> > >> > URL:
> > >> >
> > >>
> >
> http://svn.apache.org/viewvc/shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/render/GadgetRewritersProvider.java?rev=1031332&r1=1031331&r2=1031332&view=diff
> > >> >
> > >> >
> > >>
> >
> ==============================================================================
> > >> > ---
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/render/GadgetRewritersProvider.java
> > >> > (original)
> > >> > +++
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/render/GadgetRewritersProvider.java
> > >> > Thu Nov  4 22:58:54 2010
> > >> > @@ -19,13 +19,13 @@
> > >> >
> > >> >  package org.apache.shindig.gadgets.render;
> > >> >
> > >> > -import com.google.inject.Inject;
> > >> > -import com.google.inject.name.Named;
> > >> > +import java.util.Set;
> > >> >
> > >> >  import org.apache.shindig.gadgets.GadgetContext;
> > >> >  import org.apache.shindig.gadgets.rewrite.GadgetRewriter;
> > >> >
> > >> > -import java.util.List;
> > >> > +import com.google.inject.Inject;
> > >> > +import com.google.inject.name.Named;
> > >> >
> > >> >  /**
> > >> >  * Class to provide list of rewriters according to gadget request.
> > >> > @@ -34,15 +34,14 @@ import java.util.List;
> > >> >  * @since 2.0.0
> > >> >  */
> > >> >  public class GadgetRewritersProvider {
> > >> > -  private final List<GadgetRewriter> renderRewriters;
> > >> > +  private final Set<GadgetRewriter> renderRewriters;
> > >> >
> > >> >   @Inject
> > >> > -  public GadgetRewritersProvider(
> > >> > -      @Named("shindig.rewriters.gadget") List<GadgetRewriter>
> > >> > renderRewriters) {
> > >> > +  public GadgetRewritersProvider(@Named("shindig.rewriters.gadget")
> > >> > Set<GadgetRewriter> renderRewriters) {
> > >> >     this.renderRewriters = renderRewriters;
> > >> >   }
> > >> >
> > >> > -  public List<GadgetRewriter> getRewriters(GadgetContext context) {
> > >> > +  public Set<GadgetRewriter> getRewriters(GadgetContext context) {
> > >> >     return renderRewriters;
> > >> >   }
> > >> >  }
> > >> >
> > >> > Modified:
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/RewriteModule.java
> > >> > URL:
> > >> >
> > >>
> >
> http://svn.apache.org/viewvc/shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/RewriteModule.java?rev=1031332&r1=1031331&r2=1031332&view=diff
> > >> >
> > >> >
> > >>
> >
> ==============================================================================
> > >> > ---
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/RewriteModule.java
> > >> > (original)
> > >> > +++
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/main/java/org/apache/shindig/gadgets/rewrite/RewriteModule.java
> > >> > Thu Nov  4 22:58:54 2010
> > >> > @@ -18,12 +18,8 @@
> > >> >  */
> > >> >  package org.apache.shindig.gadgets.rewrite;
> > >> >
> > >> > -import com.google.common.collect.ImmutableList;
> > >> > -import com.google.inject.AbstractModule;
> > >> > -import com.google.inject.Provides;
> > >> > -import com.google.inject.Singleton;
> > >> > -import com.google.inject.name.Named;
> > >> > -import com.google.inject.name.Names;
> > >> > +import java.util.List;
> > >> > +
> > >> >  import org.apache.shindig.gadgets.parse.GadgetHtmlParser;
> > >> >  import org.apache.shindig.gadgets.render.CajaResponseRewriter;
> > >> >  import
> > org.apache.shindig.gadgets.render.OpenSocialI18NGadgetRewriter;
> > >> > @@ -33,7 +29,13 @@ import org.apache.shindig.gadgets.render
> > >> >  import org.apache.shindig.gadgets.rewrite.image.BasicImageRewriter;
> > >> >  import org.apache.shindig.gadgets.servlet.CajaContentRewriter;
> > >> >
> > >> > -import java.util.List;
> > >> > +import com.google.common.collect.ImmutableList;
> > >> > +import com.google.inject.AbstractModule;
> > >> > +import com.google.inject.Provides;
> > >> > +import com.google.inject.Singleton;
> > >> > +import com.google.inject.multibindings.Multibinder;
> > >> > +import com.google.inject.name.Named;
> > >> > +import com.google.inject.name.Names;
> > >> >
> > >> >  /**
> > >> >  * Guice bindings for the rewrite package.
> > >> > @@ -45,25 +47,23 @@ public class RewriteModule extends Abstr
> > >> >     bind(ResponseRewriterRegistry.class)
> > >> >
> > >> >
> > >>
> >
> .annotatedWith(Names.named("shindig.accelerate.response.rewriter.registry"))
> > >> >         .to(AccelResponseRewriterRegistry.class);
> > >> > +
> > >> > +    configureRewriters();
> > >> > +
> > >> >   }
> > >> >
> > >> > -  @Provides
> > >> > -  @Singleton
> > >> > -  @Named("shindig.rewriters.gadget")
> > >> > -  protected List<GadgetRewriter> provideGadgetRewriters(
> > >> > -      PipelineDataGadgetRewriter pipelineRewriter,
> > >> > -      TemplateRewriter templateRewriter,
> > >> > -      AbsolutePathReferenceRewriter absolutePathRewriter,
> > >> > -      StyleTagExtractorContentRewriter styleTagExtractorRewriter,
> > >> > -      StyleAdjacencyContentRewriter styleAdjacencyRewriter,
> > >> > -      ProxyingContentRewriter proxyingRewriter,
> > >> > -      CajaContentRewriter cajaRewriter,
> > >> > -      SanitizingGadgetRewriter sanitizedRewriter,
> > >> > -      RenderingGadgetRewriter renderingRewriter,
> > >> > -      OpenSocialI18NGadgetRewriter i18nRewriter) {
> > >> > -    return ImmutableList.of(pipelineRewriter, templateRewriter,
> > >> > -        absolutePathRewriter, styleTagExtractorRewriter,
> > >> > styleAdjacencyRewriter, proxyingRewriter,
> > >> > -        cajaRewriter, sanitizedRewriter, renderingRewriter,
> > >> i18nRewriter);
> > >> > +  private void configureRewriters() {
> > >> > +    Multibinder<GadgetRewriter> multibinder =
> > >> > Multibinder.newSetBinder(binder(), GadgetRewriter.class,
> > >> > Names.named("shindig.rewriters.gadget"));
> > >> > +    multibinder.addBinding().to(PipelineDataGadgetRewriter.class);
> > >> > +    multibinder.addBinding().to(TemplateRewriter.class);
> > >> > +
>  multibinder.addBinding().to(AbsolutePathReferenceRewriter.class);
> > >> > +
> >  multibinder.addBinding().to(StyleTagExtractorContentRewriter.class);
> > >> > +
>  multibinder.addBinding().to(StyleAdjacencyContentRewriter.class);
> > >> > +    multibinder.addBinding().to(ProxyingContentRewriter.class);
> > >> > +    multibinder.addBinding().to(CajaContentRewriter.class);
> > >> > +    multibinder.addBinding().to(SanitizingGadgetRewriter.class);
> > >> > +    multibinder.addBinding().to(RenderingGadgetRewriter.class);
> > >> > +
>  multibinder.addBinding().to(OpenSocialI18NGadgetRewriter.class);
> > >> >   }
> > >> >
> > >> >   @Provides
> > >> >
> > >> > Modified:
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/test/java/org/apache/shindig/gadgets/render/HtmlRendererTest.java
> > >> > URL:
> > >> >
> > >>
> >
> http://svn.apache.org/viewvc/shindig/trunk/java/gadgets/src/test/java/org/apache/shindig/gadgets/render/HtmlRendererTest.java?rev=1031332&r1=1031331&r2=1031332&view=diff
> > >> >
> > >> >
> > >>
> >
> ==============================================================================
> > >> > ---
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/test/java/org/apache/shindig/gadgets/render/HtmlRendererTest.java
> > >> > (original)
> > >> > +++
> > >> >
> > >>
> >
> shindig/trunk/java/gadgets/src/test/java/org/apache/shindig/gadgets/render/HtmlRendererTest.java
> > >> > Thu Nov  4 22:58:54 2010
> > >> > @@ -42,6 +42,7 @@ import java.util.Collection;
> > >> >  import java.util.concurrent.Callable;
> > >> >
> > >> >  import com.google.common.collect.ImmutableList;
> > >> > +import com.google.common.collect.ImmutableSet;
> > >> >
> > >> >  /**
> > >> >  * Tests for HtmlRenderer
> > >> > @@ -84,7 +85,7 @@ public class HtmlRendererTest {
> > >> >   @Before
> > >> >   public void setUp() throws Exception {
> > >> >     renderer = new HtmlRenderer(preloaderService, proxyRenderer,
> > >> > -        new
> GadgetRewritersProvider(ImmutableList.of((GadgetRewriter)
> > >> > captureRewriter)),
> > >> > +        new
> GadgetRewritersProvider(ImmutableSet.of((GadgetRewriter)
> > >> > captureRewriter)),
> > >> >         null);
> > >> >
> > >> >   }
> > >> >
> > >> >
> > >> >
> > >>
> > >
> > >
> > >
> > > --
> > > Paul Lindner -- [email protected] -- linkedin.com/in/plindner
> > >
> >
> >
> >
> > --
> > Thanks,
> > Henry
> >
>



-- 
Paul Lindner -- [email protected] -- linkedin.com/in/plindner

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