| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.http.impl.client.cache; |
| |
| import java.io.IOException; |
| import java.lang.reflect.UndeclaredThrowableException; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpExecutionAware; |
| import org.apache.http.client.methods.HttpRequestWrapper; |
| import org.apache.http.client.protocol.HttpClientContext; |
| import org.apache.http.conn.routing.HttpRoute; |
| import org.apache.http.impl.execchain.ClientExecChain; |
| |
| public class CachingHttpAsyncClientExecChain implements ClientExecChain { |
| |
| private final CachingHttpAsyncClient client; |
| |
| public CachingHttpAsyncClientExecChain(final ClientExecChain backend) { |
| this(backend, new BasicHttpCache(), CacheConfig.DEFAULT); |
| } |
| |
| public CachingHttpAsyncClientExecChain( |
| final ClientExecChain backend, |
| final HttpCache cache, |
| final CacheConfig config) { |
| this.client = new CachingHttpAsyncClient( |
| new ClientExecChainAsyncClient(backend), cache, config); |
| } |
| |
| CachingHttpAsyncClientExecChain( |
| final ClientExecChain backend, final HttpCache responseCache, |
| final CacheValidityPolicy validityPolicy, |
| final ResponseCachingPolicy responseCachingPolicy, |
| final CachedHttpResponseGenerator responseGenerator, |
| final CacheableRequestPolicy cacheableRequestPolicy, |
| final CachedResponseSuitabilityChecker suitabilityChecker, |
| final ConditionalRequestBuilder conditionalRequestBuilder, |
| final ResponseProtocolCompliance responseCompliance, |
| final RequestProtocolCompliance requestCompliance) { |
| this.client = new CachingHttpAsyncClient( |
| new ClientExecChainAsyncClient(backend), validityPolicy, |
| responseCachingPolicy, responseCache, responseGenerator, |
| cacheableRequestPolicy, suitabilityChecker, |
| conditionalRequestBuilder, responseCompliance, |
| requestCompliance); |
| } |
| |
| public boolean supportsRangeAndContentRangeHeaders() { |
| return client.supportsRangeAndContentRangeHeaders(); |
| } |
| |
| public CloseableHttpResponse execute( |
| final HttpRoute route, |
| final HttpRequestWrapper request) throws IOException, HttpException { |
| return execute(route, request, HttpClientContext.create(), null); |
| } |
| |
| public CloseableHttpResponse execute( |
| final HttpRoute route, |
| final HttpRequestWrapper request, |
| final HttpClientContext context) throws IOException, HttpException { |
| return execute(route, request, context, null); |
| } |
| |
| @Override |
| public CloseableHttpResponse execute( |
| final HttpRoute route, |
| final HttpRequestWrapper request, |
| final HttpClientContext context, |
| final HttpExecutionAware execAware) throws IOException, HttpException { |
| try { |
| final Future<HttpResponse> future = client.execute(route.getTargetHost(), request, context, null); |
| return Proxies.enhanceResponse(future.get()); |
| } catch (final InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| return null; |
| } catch (final ExecutionException e) { |
| try { |
| throw e.getCause(); |
| } catch (final IOException ex) { |
| throw ex; |
| } catch (final HttpException ex) { |
| throw ex; |
| } catch (final RuntimeException ex) { |
| throw ex; |
| } catch (final Error ex) { |
| throw ex; |
| } catch (final Throwable ex) { |
| throw new UndeclaredThrowableException(ex); |
| } |
| } |
| } |
| |
| public long getCacheHits() { |
| return client.getCacheHits(); |
| } |
| |
| public long getCacheMisses() { |
| return client.getCacheMisses(); |
| } |
| |
| public long getCacheUpdates() { |
| return client.getCacheUpdates(); |
| } |
| |
| } |