org.etk.common.net.ETKHttpClient.java Source code

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Here is the source code for org.etk.common.net.ETKHttpClient.java

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/*
 * Copyright (C) 2003-2011 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.etk.common.net;

import java.io.IOException;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.AuthCache;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.protocol.ClientContext;
import org.apache.http.entity.BufferedHttpEntity;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.impl.client.BasicAuthCache;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.util.EntityUtils;

/**
 * Created by The eXo Platform SAS
 * Author : eXoPlatform
 *          exo@exoplatform.com
 * Jun 29, 2011  
 */
public class ETKHttpClient {

    private DefaultHttpClient httpClient = null;

    public ETKHttpClient() {

        httpClient = new DefaultHttpClient();
    }

    public HttpEntity execute(String targetURL) throws ClientProtocolException, IOException {
        HttpHost targetHost = new HttpHost("127.0.0.1", 8080, "http");

        httpClient.getCredentialsProvider().setCredentials(
                new AuthScope(targetHost.getHostName(), targetHost.getPort()),
                new UsernamePasswordCredentials("demo", "gtn"));

        // Create AuthCache instance
        AuthCache authCache = new BasicAuthCache();
        // Generate BASIC scheme object and add it to the local auth cache
        BasicScheme basicAuth = new BasicScheme();
        authCache.put(targetHost, basicAuth);

        // Add AuthCache to the execution context
        BasicHttpContext localcontext = new BasicHttpContext();
        localcontext.setAttribute(ClientContext.AUTH_CACHE, authCache);

        HttpGet httpget = new HttpGet(targetURL);
        Header header = new BasicHeader("Content-Type", "application/json");
        httpget.setHeader(header);
        HttpResponse response = httpClient.execute(targetHost, httpget, localcontext);
        DumpHttpResponse.dumpHeader(response);
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            entity = new BufferedHttpEntity(entity);
        }
        EntityUtils.consume(entity);

        return entity;
    }

}