smartrics.rest.fitnesse.fixture.support.HttpClientBuilder.java Source code

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Here is the source code for smartrics.rest.fitnesse.fixture.support.HttpClientBuilder.java

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/*  Copyright 2011 Fabrizio Cannizzo
 *
 *  This file is part of RestFixture.
 *
 *  RestFixture (http://code.google.com/p/rest-fixture/) is free software:
 *  you can redistribute it and/or modify it under the terms of the
 *  GNU Lesser General Public License as published by the Free Software Foundation,
 *  either version 3 of the License, or (at your option) any later version.
 *
 *  RestFixture is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with RestFixture.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  If you want to contact the author please leave a comment here
 *  http://smartrics.blogspot.com/2008/08/get-fitnesse-with-some-rest.html
 */
package smartrics.rest.fitnesse.fixture.support;

import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.HostConfiguration;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.params.HostParams;
import org.apache.commons.httpclient.params.HttpClientParams;

/**
 * Helper builder class for an apache {@link HttpClient} that uses data in the
 * {@link Config} to configure the object.
 * 
 * @author smartrics
 * 
 */
public class HttpClientBuilder {
    public static final Integer DEFAULT_SO_TO = 3000;
    public static final Integer DEFAULT_PROXY_PORT = 80;

    public HttpClient createHttpClient(final Config config) {
        HttpClient client = createConfiguredClient(config);
        if (config != null) {
            configureHost(config, client);
            configureCredentials(config, client);
        }
        return client;
    }

    private HttpClient createConfiguredClient(final Config config) {
        HttpClientParams params = new HttpClientParams();
        params.setSoTimeout(DEFAULT_SO_TO);
        if (config != null) {
            params.setSoTimeout(config.getAsInteger("http.client.connection.timeout", DEFAULT_SO_TO));
        }
        HttpClient client = new HttpClient(params);
        return client;
    }

    private void configureHost(final Config config, HttpClient client) {
        HostConfiguration hostConfiguration = client.getHostConfiguration();
        String proxyHost = config.get("http.proxy.host");
        if (proxyHost != null) {
            int proxyPort = config.getAsInteger("http.proxy.port", DEFAULT_PROXY_PORT);
            hostConfiguration.setProxy(proxyHost, proxyPort);
        }
        HostParams hostParams = new HostParams();
        hostConfiguration.setParams(hostParams);
    }

    private void configureCredentials(final Config config, HttpClient client) {
        String username = config.get("http.basicauth.username");
        String password = config.get("http.basicauth.password");
        if (username != null && password != null) {
            Credentials defaultcreds = new UsernamePasswordCredentials(username, password);
            client.getState().setCredentials(AuthScope.ANY, defaultcreds);
        }
    }
}