Examples of org.apache.http.client.cache.HttpCacheEntry

org.apache.http.client.cache.HttpCacheEntry
Structure used to store an {@link HttpResponse} in a cache. Some entriescan optionally depend on system resources that may require explicit deallocation. In such a case {@link #getResource()} should return a nonnull instance of {@link Resource} that must be deallocated by calling{@link Resource#dispose()} method when no longer used. @since 4.1

    }


    public HttpCacheEntry updateCacheEntry(HttpHost target, HttpRequest request,
            HttpCacheEntry stale, HttpResponse originResponse,
            Date requestSent, Date responseReceived) throws IOException {
        HttpCacheEntry updatedEntry = cacheEntryUpdater.updateCacheEntry(
                request.getRequestLine().getUri(),
                stale,
                requestSent,
                responseReceived,
                originResponse);

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    }


    public HttpCacheEntry updateVariantCacheEntry(HttpHost target, HttpRequest request,
            HttpCacheEntry stale, HttpResponse originResponse,
            Date requestSent, Date responseReceived, String cacheKey) throws IOException {
        HttpCacheEntry updatedEntry = cacheEntryUpdater.updateCacheEntry(
                request.getRequestLine().getUri(),
                stale,
                requestSent,
                responseReceived,
                originResponse);

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            Resource resource = responseReader.getResource();
            if (isIncompleteResponse(originResponse, resource)) {
                return generateIncompleteResponseError(originResponse, resource);
            }


            HttpCacheEntry entry = new HttpCacheEntry(
                    requestSent,
                    responseReceived,
                    originResponse.getStatusLine(),
                    originResponse.getAllHeaders(),
                    resource);

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        return new SizeLimitedResponseReader(
                resourceFactory, maxObjectSizeBytes, request, backEndResponse);
    }


    public HttpCacheEntry getCacheEntry(HttpHost host, HttpRequest request) throws IOException {
        HttpCacheEntry root = storage.getEntry(uriExtractor.getURI(host, request));
        if (root == null) return null;
        if (!root.hasVariants()) return root;
        String variantCacheKey = root.getVariantMap().get(uriExtractor.getVariantKey(request, root));
        if (variantCacheKey == null) return null;
        return storage.getEntry(variantCacheKey);
    }

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    }


    public Map<String, Variant> getVariantCacheEntriesWithEtags(HttpHost host, HttpRequest request)
            throws IOException {
        Map<String,Variant> variants = new HashMap<String,Variant>();
        HttpCacheEntry root = storage.getEntry(uriExtractor.getURI(host, request));
        if (root == null || !root.hasVariants()) return variants;
        for(Map.Entry<String, String> variant : root.getVariantMap().entrySet()) {
            String variantKey = variant.getKey();
            String variantCacheKey = variant.getValue();
            addVariantWithEtag(variantKey, variantCacheKey, variants);
        }
        return variants;

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    }


    private void addVariantWithEtag(String variantKey,
            String variantCacheKey, Map<String, Variant> variants)
            throws IOException {
        HttpCacheEntry entry = storage.getEntry(variantCacheKey);
        if (entry == null) return;
        Header etagHeader = entry.getFirstHeader(HeaderConstants.ETAG);
        if (etagHeader == null) return;
        variants.put(etagHeader.getValue(), new Variant(variantKey, variantCacheKey, entry));
    }

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        Header[] mergedHeaders = mergeHeaders(entry, response);
        Resource resource = null;
        if (entry.getResource() != null) {
            resource = resourceFactory.copy(requestId, entry.getResource());
        }
        return new HttpCacheEntry(
                requestDate,
                responseDate,
                entry.getStatusLine(),
                mergedHeaders,
                resource);

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        };


        final byte[] bytes = new byte[128];
        new Random().nextBytes(bytes);


        final HttpCacheEntry entry = HttpTestUtils.makeCacheEntry(tenSecondsAgo, eightSecondsAgo, hdrs, bytes);


        impl = new CachingExec(mockBackend, mockCache, config);


        request = HttpRequestWrapper.wrap(
                new BasicHttpRequest("GET", "/thing", HttpVersion.HTTP_1_1));

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        };


        final byte[] bytes = new byte[128];
        new Random().nextBytes(bytes);


        final HttpCacheEntry entry = HttpTestUtils.makeCacheEntry(tenSecondsAgo, eightSecondsAgo, hdrs, bytes);


        impl = new CachingExec(mockBackend, mockCache, config);
        request = HttpRequestWrapper.wrap(new BasicHttpRequest("GET", "/thing", HttpVersion.HTTP_1_1));


        mockCache.flushInvalidatedCacheEntriesFor(EasyMock.eq(host), eqRequest(request));

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        };


        final byte[] bytes = new byte[128];
        new Random().nextBytes(bytes);


        final HttpCacheEntry entry = HttpTestUtils.makeCacheEntry(tenSecondsAgo, eightSecondsAgo, hdrs, bytes);


        impl = new CachingExec(mockBackend, mockCache, config);
        request = HttpRequestWrapper.wrap(new BasicHttpRequest("GET", "/thing", HttpVersion.HTTP_1_1));


        mockCache.flushInvalidatedCacheEntriesFor(EasyMock.eq(host), eqRequest(request));

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