com.logsniffer.settings.http.HttpSettings.java Source code

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Here is the source code for com.logsniffer.settings.http.HttpSettings.java

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/*******************************************************************************
 * logsniffer, open source tool for viewing, monitoring and analysing log data.
 * Copyright (c) 2015 Scaleborn UG, www.scaleborn.com
 *
 * logsniffer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * logsniffer 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.logsniffer.settings.http;

import javax.annotation.PostConstruct;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.springframework.stereotype.Component;

import com.logsniffer.util.value.ConfigValue;
import com.logsniffer.util.value.Configured;

/**
 * Settings bean for HTTP related functions.
 * 
 * @author mbok
 * 
 */
@Component
public class HttpSettings {
    public static final String PROP_HTTP_PROXY_PASSWORD = "http.proxyPassword";

    public static final String PROP_HTTP_PROXY_USER = "http.proxyUser";

    public static final String PROP_HTTP_PROXY_PORT = "http.proxyPort";

    public static final String PROP_HTTP_PROXY_SCHEMA = "http.proxySchema";

    public static final String PROP_HTTP_PROXY_HOST = "http.proxyHost";

    private HttpProxy httpProxy;

    @Configured(PROP_HTTP_PROXY_HOST)
    private ConfigValue<String> proxyHost;

    @Configured(value = PROP_HTTP_PROXY_SCHEMA, defaultValue = "http")
    private ConfigValue<String> proxySchema;

    @Configured(value = PROP_HTTP_PROXY_PORT, defaultValue = "8080")
    private ConfigValue<Integer> proxyPort;

    @Configured(value = PROP_HTTP_PROXY_USER)
    private ConfigValue<String> proxyUser;

    @Configured(value = PROP_HTTP_PROXY_PASSWORD)
    private ConfigValue<String> proxyPassword;

    @PostConstruct
    public void refreshProxySettings() {
        HttpProxy proxy = new HttpProxy();
        proxy.setHost(proxyHost.get());
        proxy.setPort(proxyPort.get());
        proxy.setSchema(proxySchema.get());
        proxy.setUser(proxyUser.get());
        proxy.setPassword(proxyPassword.get());
        setHttpProxy(proxy);
    }

    /**
     * @return the httpProxy
     */
    public HttpProxy getHttpProxy() {
        return httpProxy;
    }

    /**
     * @param httpProxy
     *            the httpProxy to set
     */
    public void setHttpProxy(final HttpProxy httpProxy) {
        this.httpProxy = httpProxy;
    }

    /**
     * Creates a {@link HttpClientBuilder} considering current settings.
     * 
     * @return a {@link HttpClientBuilder} considering current settings.
     */
    public HttpClientBuilder createHttpClientBuilder() {
        HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
        if (getHttpProxy() != null && StringUtils.isNotBlank(getHttpProxy().getHost())) {
            httpClientBuilder = httpClientBuilder.setProxy(
                    new HttpHost(getHttpProxy().getHost(), getHttpProxy().getPort(), getHttpProxy().getSchema()));
            if (StringUtils.isNotBlank(getHttpProxy().getUser())) {
                Credentials credentials = new UsernamePasswordCredentials(getHttpProxy().getUser(),
                        getHttpProxy().getPassword());
                AuthScope authScope = new AuthScope(getHttpProxy().getHost(), getHttpProxy().getPort());
                CredentialsProvider credsProvider = new BasicCredentialsProvider();
                credsProvider.setCredentials(authScope, credentials);
                httpClientBuilder = httpClientBuilder.setDefaultCredentialsProvider(credsProvider);
                httpClientBuilder.useSystemProperties();
            }
        }
        return httpClientBuilder;
    }
}