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An aggregation of 1.4, 1.5 modules into an ROP client jar.
There is a newer version: 4.2.1
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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
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 *
 *    https://www.apache.org/licenses/LICENSE-2.0
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 *  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.ConfigurationException;
import org.apache.cayenne.configuration.RuntimeProperties;
import org.apache.cayenne.configuration.rop.client.ClientConstants;
import org.apache.cayenne.di.DIRuntimeException;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.di.Provider;
import org.apache.cayenne.remote.ClientConnection;
import org.apache.cayenne.rop.http.HttpROPConnector;

public class HttpClientConnectionProvider implements Provider {

    @Inject
    protected RuntimeProperties runtimeProperties;
    
    @Inject
    protected Provider serializationServiceProvider;

    @Override
    public ClientConnection get() throws DIRuntimeException {
        String sharedSession = runtimeProperties
                .get(ClientConstants.ROP_SERVICE_SHARED_SESSION_PROPERTY);

        HttpROPConnector ropConnector = createHttpRopConnector();
        ProxyRemoteService remoteService = new ProxyRemoteService(serializationServiceProvider.get(), ropConnector);

        HttpClientConnection clientConnection = new HttpClientConnection(remoteService, sharedSession);
        ropConnector.setClientConnection(clientConnection);

        return clientConnection;
    }

    protected HttpROPConnector createHttpRopConnector() {
        String url = runtimeProperties.get(ClientConstants.ROP_SERVICE_URL_PROPERTY);
        if (url == null) {
            throw new ConfigurationException(
                    "No property defined for '%s', can't initialize HessianConnection",
                    ClientConstants.ROP_SERVICE_URL_PROPERTY);
        }

        String userName = runtimeProperties.get(ClientConstants.ROP_SERVICE_USERNAME_PROPERTY);
        String password = runtimeProperties.get(ClientConstants.ROP_SERVICE_PASSWORD_PROPERTY);

        long readTimeout = runtimeProperties.getLong(ClientConstants.ROP_SERVICE_TIMEOUT_PROPERTY, -1L);

        HttpROPConnector result = new HttpROPConnector(url, userName, password);

        if (readTimeout > 0) {
            result.setReadTimeout(readTimeout);
        }

        return result;
    }
}