/* PerHostServiceWrappedHttpClient.java
*
* Copyright 2009-2012 Comcast Interactive Media, LLC.
*
* Licensed 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.
*/
package org.fishwife.jrugged.httpclient;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.protocol.HttpContext;
import org.fishwife.jrugged.ServiceWrapper;
import org.fishwife.jrugged.ServiceWrapperFactory;
public class PerHostServiceWrappedHttpClient extends AbstractHttpClientDecorator {
private ServiceWrapperFactory factory;
private Map<HttpHost, HttpClient> clients = new HashMap<HttpHost, HttpClient>();
public PerHostServiceWrappedHttpClient(HttpClient backend, ServiceWrapperFactory factory) {
super(backend);
this.factory = factory;
}
public HttpResponse execute(HttpHost host, HttpRequest req, HttpContext ctx)
throws IOException, ClientProtocolException {
host = getCanonicalHost(host);
HttpClient client = clients.get(host);
if (client == null) {
ServiceWrapper wrapper = factory.getWrapperWithName(host.toHostString());
client = new ServiceWrappedHttpClient(backend, wrapper);
clients.put(host, client);
}
return client.execute(host, req, ctx);
}
private HttpHost getCanonicalHost(HttpHost host) {
URI uri;
try {
uri = new URI(host.toURI());
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
String hostname = uri.getHost();
int port = uri.getPort();
String scheme = uri.getScheme();
boolean isHttps = "HTTPS".equalsIgnoreCase(scheme);
String schemePart = isHttps ? (scheme + "://") : "";
if (port == -1) {
port = isHttps ? 443 : 80;
}
return new HttpHost(schemePart + hostname + ":" + port);
}
}