Examples of StreamableResource

org.apache.tapestry5.internal.services.StreamableResource
Abstracts around a {@link org.apache.tapestry5.ioc.Resource} to allow access to the resource's content eithercompressed on uncompressed. The advantage is that, for compressed streams, the data is only compressed once, rather than for each request. @since 5.1.0.0 @see ResourceCache
org.apache.tapestry5.services.assets.StreamableResource
An object, derived from a {@link Resource}, that can be streamed (ultimately, to a client web browser). @since 5.3

Examples of org.apache.tapestry5.internal.services.StreamableResource


    private void streamLibraryContent(Asset library, OutputStream outputStream) throws IOException
    {
        Resource resource = library.getResource();


        StreamableResource streamable = resourceCache.getStreamableResource(resource);


        InputStream inputStream = streamable.getStream(false);


        TapestryInternalUtils.copy(inputStream, outputStream);
    }

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Examples of org.apache.tapestry5.internal.services.StreamableResource


    private void streamLibraryContent(Asset library, OutputStream outputStream) throws IOException
    {
        Resource resource = library.getResource();


        StreamableResource streamable = resourceCache.getStreamableResource(resource);


        InputStream inputStream = streamable.getStream(false);


        TapestryInternalUtils.copy(inputStream, outputStream);
    }

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Examples of org.apache.tapestry5.services.assets.StreamableResource


        writer.close();


        // The content is minimized, but can still be (GZip) compressed.


        StreamableResource output = new StreamableResourceImpl("minimized " + input.getDescription(),
                input.getContentType(), CompressionStatus.COMPRESSABLE,
                input.getLastModified(), new BytestreamCache(bos));


        if (logger.isInfoEnabled())
        {
            long elapsedNanos = System.nanoTime() - startNanos;


            int inputSize = input.getSize();
            int outputSize = output.getSize();


            double elapsedMillis = ((double) elapsedNanos) * NANOS_TO_MILLIS;
            // e.g., reducing 100 bytes to 25 would be a (100-25)/100 reduction, or 75%
            double reduction = 100d * ((double) (inputSize - outputSize)) / ((double) inputSize);

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Examples of org.apache.tapestry5.services.assets.StreamableResource

        if (!enableCache(processing))
        {
            return delegate.getStreamableResource(baseResource, processing, dependencies);
        }


        StreamableResource result = TapestryInternalUtils.getAndDeref(cache, baseResource);


        if (result == null)
        {
            result = delegate.getStreamableResource(baseResource, processing, dependencies);

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Examples of org.apache.tapestry5.services.assets.StreamableResource

            public void perform() throws IOException
            {
                StreamableResourceProcessing processing = analyzer.isGZipSupported() ? StreamableResourceProcessing.COMPRESSION_ENABLED
                        : StreamableResourceProcessing.COMPRESSION_DISABLED;


                StreamableResource streamable = streamableResourceSource.getStreamableResource(resource, processing, resourceChangeTracker);


                streamResource(streamable);
            }
        });
    }

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Examples of org.apache.tapestry5.services.assets.StreamableResource


        writer.close();


        // The content is minimized, but can still be (GZip) compressed.


        StreamableResource output = new StreamableResourceImpl("minimized " + input.getDescription(),
                input.getContentType(), CompressionStatus.COMPRESSABLE,
                input.getLastModified(), new BytestreamCache(bos));


        long elapsedNanos = System.nanoTime() - startNanos;


        if (logger.isDebugEnabled())
        {
            double elapsedMillis = ((double) elapsedNanos) * NANOS_TO_MILLIS;


            logger.debug(String.format("Minimized %s (%,d input bytes of %s to %,d output bytes in %.2f ms)",
                    input.getDescription(), input.getSize(), resourceType, output.getSize(), elapsedMillis));
        }


        return output;
    }

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Examples of org.apache.tapestry5.services.assets.StreamableResource

        if (processing == StreamableResourceProcessing.FOR_AGGREGATION)
        {
            return delegate.getStreamableResource(baseResource, processing, dependencies);
        }


        StreamableResource result = TapestryInternalUtils.getAndDeref(cache, baseResource);


        if (result == null)
        {
            result = delegate.getStreamableResource(baseResource, processing, dependencies);

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Examples of org.apache.tapestry5.services.assets.StreamableResource

            }
        });


        // The content is minimized, but can still be (GZip) compressed.


        StreamableResource output = new StreamableResourceImpl("minimized " + input.getDescription(),
                input.getContentType(), CompressionStatus.COMPRESSABLE,
                input.getLastModified(), new BytestreamCache(bos), checksumGenerator, input.getResponseCustomizer());


        if (logger.isInfoEnabled())
        {
            long elapsedNanos = System.nanoTime() - startNanos;


            int inputSize = input.getSize();
            int outputSize = output.getSize();


            double elapsedMillis = ((double) elapsedNanos) * NANOS_TO_MILLIS;
            // e.g., reducing 100 bytes to 25 would be a (100-25)/100 reduction, or 75%
            double reduction = 100d * ((double) (inputSize - outputSize)) / ((double) inputSize);

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Examples of org.apache.tapestry5.services.assets.StreamableResource


    private List<String> combinedStackURL(String stackName, JavaScriptStack stack)
    {
        try
        {
            StreamableResource assembled = assembler.assembleJavaScriptResourceForStack(stackName, compressionAnalyzer.isGZipSupported(),
                    stack.getJavaScriptAggregationStrategy());


            String path = String.format("%s/%s.js",
                    threadLocale.getLocale(),
                    stackName);

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Examples of org.apache.tapestry5.services.assets.StreamableResource

    }


    @Override
    public StreamableResource getStreamableResource(Resource baseResource, StreamableResourceProcessing processing, ResourceDependencies dependencies) throws IOException
    {
        StreamableResource resource = delegate.getStreamableResource(baseResource, processing, dependencies);


        ContentType contentType = resource.getContentType();


        if (contentType.getBaseType().equals("text")
                && ! contentType.hasParameters()
                && processing != StreamableResourceProcessing.FOR_AGGREGATION)
        {
            return resource.withContentType(contentType.withCharset("utf-8"));
        }


        return resource;
    }

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