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* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.rop;
import org.apache.cayenne.CayenneRuntimeException;
import org.apache.cayenne.configuration.rop.client.ClientConstants;
import org.apache.cayenne.di.Provider;
import org.apache.cayenne.remote.ClientConnection;
import org.apache.cayenne.rop.http.JettyHttpROPConnector;
import org.eclipse.jetty.client.HttpClient;
import org.eclipse.jetty.http2.client.HTTP2Client;
import org.eclipse.jetty.http2.client.http.HttpClientTransportOverHTTP2;
import org.eclipse.jetty.util.ssl.SslContextFactory;
/**
* This {@link Provider} initializes HTTP/2 {@link ClientConnection} through {@link JettyHttpROPConnector} which uses
* {@link org.eclipse.jetty.client.HttpClient} over {@link org.eclipse.jetty.http2.client.HTTP2Client}.
* It works without ALPN by default.
* <p>
* In order to use it with ALPN you have to set {@link ClientConstants#ROP_SERVICE_USE_ALPN_PROPERTY} to true
* and provide the alpn-boot-XXX.jar into the bootstrap classpath.
*/
public class JettyHttp2ClientConnectionProvider extends JettyHttpClientConnectionProvider {
@Override
protected HttpClient initJettyHttpClient() {
try {
HttpClientTransportOverHTTP2 http2 = new HttpClientTransportOverHTTP2(new HTTP2Client());
boolean useALPN = runtimeProperties.getBoolean(ClientConstants.ROP_SERVICE_USE_ALPN_PROPERTY, false);
http2.setUseALPN(useALPN);
HttpClient httpClient = new HttpClient(http2, new SslContextFactory());
httpClient.start();
return httpClient;
} catch (Exception e) {
throw new CayenneRuntimeException("Exception while starting Jetty HttpClient over HTTP/2.", e);
}
}
}