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/*
* 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.
*/
package org.apache.tuscany.sca.host.http.client;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ConnectionKeepAliveStrategy;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLInitializationException;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.NoConnectionReuseStrategy;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.DefaultBackoffStrategy;
import org.apache.http.impl.conn.PoolingClientConnectionManager;
import org.apache.http.impl.conn.SchemeRegistryFactory;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HttpContext;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.LifeCycleListener;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
/**
* @version $Rev$ $Date$
*/
public class HttpClientFactory implements LifeCycleListener {
protected int soTimeout = 30000;
protected int connectionTimeout = 60000;
protected boolean staleCheckingEnabled = false;
protected long timeToLive = 60; // seconds
protected int maxPerRoute = 256;
protected int maxTotal = 1024;
protected boolean sslHostVerificationEnabled = false;
protected HttpClient httpClient;
public static HttpClientFactory getInstance(ExtensionPointRegistry registry) {
UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
return utilities.getUtility(HttpClientFactory.class);
}
public HttpClientFactory() {
}
public HttpClientFactory(ExtensionPointRegistry registry, Map<String, String> attributes) {
if (attributes != null) {
String val = attributes.get("soTimeout");
if (val != null) {
this.soTimeout = Integer.parseInt(val);
}
val = attributes.get("connectionTimeout");
if (val != null) {
this.connectionTimeout = Integer.parseInt(val);
}
val = attributes.get("staleCheckingEnabled");
if (val != null) {
this.staleCheckingEnabled = Boolean.parseBoolean(val);
}
val = attributes.get("timeToLive");
if (val != null) {
this.timeToLive = Long.parseLong(val);
}
val = attributes.get("sslHostVerificationEnabled");
if (val != null) {
this.sslHostVerificationEnabled = Boolean.parseBoolean(val);
}
val = attributes.get("maxTotal");
if (val != null) {
this.maxTotal = Integer.parseInt(val);
}
val = attributes.get("maxPerRoute");
if (val != null) {
this.maxPerRoute = Integer.parseInt(val);
}
}
}
public HttpClient createHttpClient() {
HttpParams defaultParameters = new BasicHttpParams();
HttpProtocolParams.setContentCharset(defaultParameters, "UTF-8");
HttpConnectionParams.setConnectionTimeout(defaultParameters, connectionTimeout);
HttpConnectionParams.setSoTimeout(defaultParameters, soTimeout);
HttpConnectionParams.setStaleCheckingEnabled(defaultParameters, staleCheckingEnabled);
// See https://issues.apache.org/jira/browse/HTTPCLIENT-1138
SchemeRegistry supportedSchemes = null;
try {
supportedSchemes = SchemeRegistryFactory.createSystemDefault();
} catch (SSLInitializationException e) {
// Fall back to the default as some systems don't have all properties configured correctly, such as the keyStorePassword
supportedSchemes = SchemeRegistryFactory.createDefault();
}
if (!sslHostVerificationEnabled) {
// FIXME: By pass host name verification
SSLSocketFactory socketFactory =
(SSLSocketFactory)supportedSchemes.getScheme("https").getSchemeSocketFactory();
socketFactory.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
}
PoolingClientConnectionManager connectionManager =
new PoolingClientConnectionManager(supportedSchemes, timeToLive, TimeUnit.SECONDS);
connectionManager.setDefaultMaxPerRoute(maxPerRoute);
connectionManager.setMaxTotal(maxTotal);
DefaultHttpClient client = new DefaultHttpClient(connectionManager, defaultParameters);
// Set the default connection backoff
client.setConnectionBackoffStrategy(new DefaultBackoffStrategy());
if (timeToLive <= 0) {
client.setReuseStrategy(new NoConnectionReuseStrategy());
}
return client;
}
@Override
public void start() {
if (httpClient == null) {
httpClient = createHttpClient();
}
}
@Override
public void stop() {
if (httpClient != null) {
httpClient.getConnectionManager().shutdown();
httpClient = null;
}
}
public HttpClient getHttpClient() {
return httpClient;
}
}
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