de.hybris.platform.marketplaceintegrationbackoffice.utils.MarketplaceintegrationbackofficeRestTemplateUtil.java Source code

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/*
 *
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2016 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 */
package de.hybris.platform.marketplaceintegrationbackoffice.utils;

import java.nio.charset.Charset;
import java.security.KeyStore;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Base64;
import java.util.UUID;

import javax.net.ssl.SSLContext;

import org.apache.http.client.HttpClient;
import org.apache.http.config.ConnectionConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.config.SocketConfig;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.DefaultResponseErrorHandler;
import org.springframework.web.client.RestTemplate;
import org.zkoss.json.JSONObject;
import org.zkoss.json.parser.JSONParser;

/**
 * RestTemplateUtil
 */
public class MarketplaceintegrationbackofficeRestTemplateUtil {

    private static final Logger LOGGER = LoggerFactory
            .getLogger(MarketplaceintegrationbackofficeRestTemplateUtil.class);

    private static RestTemplate restTemplate;

    private String baseAuthUser;

    private String baseAuthPwd;

    private String defaultContentType;

    public MarketplaceintegrationbackofficeRestTemplateUtil() {
        initializationTemplate();
    }

    /**
     * @param url
     * @param content
     *           It must be json format data
     * @return Results <br>
     *         code : http status <br>
     *         responseBody : http response body
     */
    public JSONObject post(final String url, final String content) {
        LOGGER.debug("Post url:" + url);

        final HttpEntity<String> request = new HttpEntity<String>(content, createHeaders());
        final ResponseEntity<String> entity = restTemplate.postForEntity(url, request, String.class);

        LOGGER.debug("Post content :" + content);
        LOGGER.debug("Response body:" + entity.getBody());

        JSONObject responseObject = new JSONObject();
        if (entity.getStatusCode().value() == 200) {
            final String responseBody = entity.getBody();
            final JSONParser parser = new JSONParser();
            responseObject = (JSONObject) parser.parse(responseBody);
        } else {
            responseObject.put("code", entity.getStatusCode().toString());
            responseObject.put("msg", entity.getBody());
        }
        return responseObject;
    }

    /**
     * @return RestTemplate Instance
     */
    public RestTemplate getRestTemplateInstance() {
        return restTemplate;
    }

    private RestTemplate initializationTemplate() {
        final ConnectionConfig connConfig = ConnectionConfig.custom().setCharset(Charset.forName("UTF-8")).build();
        final SocketConfig socketConfig = SocketConfig.custom().setSoTimeout(100000).build();
        final RegistryBuilder<ConnectionSocketFactory> registryBuilder = RegistryBuilder
                .<ConnectionSocketFactory>create();
        final ConnectionSocketFactory plainSF = new PlainConnectionSocketFactory();
        registryBuilder.register("http", plainSF);

        registryBuilder.register("https", setUpSSL());

        final Registry<ConnectionSocketFactory> registry = registryBuilder.build();
        final PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(registry);
        connManager.setDefaultConnectionConfig(connConfig);
        connManager.setDefaultSocketConfig(socketConfig);
        connManager.setMaxTotal(1000);
        connManager.setDefaultMaxPerRoute(1000);
        final HttpClient httpClient = HttpClientBuilder.create().setConnectionManager(connManager).build();

        final HttpComponentsClientHttpRequestFactory clientHttpRequestFactory = new HttpComponentsClientHttpRequestFactory(
                httpClient);
        clientHttpRequestFactory.setConnectTimeout(5000);
        clientHttpRequestFactory.setReadTimeout(5000);
        clientHttpRequestFactory.setConnectionRequestTimeout(200);

        restTemplate = new RestTemplate();
        restTemplate.setRequestFactory(clientHttpRequestFactory);
        restTemplate.setErrorHandler(new DefaultResponseErrorHandler());

        return restTemplate;
    }

    public String getUUID() {
        final UUID uuid = UUID.randomUUID();
        return uuid.toString().replaceAll("-", "");
    }

    /**
     * @return HttpHeaders
     */
    public HttpHeaders createHeaders() {
        final String encoding = Base64.getEncoder()
                .encodeToString(String.format("%s:%s", baseAuthUser, baseAuthPwd).getBytes());
        final String authHeader = "Basic " + encoding;
        final HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", authHeader);
        headers.add("Content-Type", defaultContentType);
        headers.add("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.16 Safari/537.36");
        headers.add("Accept-Encoding", "gzip,deflate");
        headers.add("Accept-Language", "zh-CN");
        headers.add("Connection", "Keep-Alive");
        return headers;
    }

    private LayeredConnectionSocketFactory setUpSSL() {
        LayeredConnectionSocketFactory sslSF = null;
        try {
            final KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
            final SSLContext sslContext = SSLContexts.custom().useTLS()
                    .loadTrustMaterial(trustStore, new AnyTrustStrategy()).build();
            sslSF = new SSLConnectionSocketFactory(sslContext,
                    SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

        } catch (final Exception e) {
            LOGGER.error(e.getMessage());
        }
        return sslSF;
    }

    class AnyTrustStrategy implements TrustStrategy {

        @Override
        public boolean isTrusted(final X509Certificate[] chain, final String authType) throws CertificateException {
            return true;
        }

    }

    /**
     * @param defaultContentType
     *           the defaultContentType to set
     */
    @Required
    public void setDefaultContentType(final String defaultContentType) {
        this.defaultContentType = defaultContentType;
    }

    /**
     * @param baseAuthUser
     *           the baseAuthUser to set
     */
    public void setBaseAuthUser(final String baseAuthUser) {
        this.baseAuthUser = baseAuthUser;
    }

    /**
     * @param baseAuthPwd
     *           the baseAuthPwd to set
     */
    public void setBaseAuthPwd(final String baseAuthPwd) {
        this.baseAuthPwd = baseAuthPwd;
    }
}