net.duckling.ddl.util.HttpClientUtil.java Source code

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Here is the source code for net.duckling.ddl.util.HttpClientUtil.java

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/*
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed 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
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 *
 */
package net.duckling.ddl.util;

import org.apache.commons.httpclient.HttpClient;
import org.apache.log4j.Logger;

public class HttpClientUtil {
    private static HttpClient httpClient;

    public static HttpClient getHttpClient(Logger logger) {
        if (httpClient == null) {
            synchronized (logger) {
                if (httpClient == null) {
                    httpClient = new HttpClient();
                    httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(30000);
                }
            }
        }
        return httpClient;
    }
}