fr.gael.drb.impl.http.HttpNode.java Source code

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Here is the source code for fr.gael.drb.impl.http.HttpNode.java

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/*
 * Data Hub Service (DHuS) - For Space data distribution.
 * Copyright (C) 2013,2014,2015 GAEL Systems
 *
 * This file is part of DHuS software sources.
 *
 * 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 fr.gael.drb.impl.http;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import org.apache.commons.codec.binary.Base64;

import fr.gael.drb.impl.URLNode;

public class HttpNode extends URLNode {

    public HttpNode(URL url) {
        super(url);
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public boolean hasImpl(final Class api) {
        if (api.isAssignableFrom(InputStream.class)) {
            return true;
        }
        return false;
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public Object getImpl(Class api) {
        if (api.isAssignableFrom(InputStream.class)) {
            try {
                URLConnection urlConnect = this.url.openConnection();

                if (this.url.getUserInfo() != null) {
                    // HTTP Basic Authentication.
                    String userpass = this.url.getUserInfo();
                    String basicAuth = "Basic " + new String(new Base64().encode(userpass.getBytes()));
                    urlConnect.setRequestProperty("Authorization", basicAuth);
                }

                urlConnect.setDoInput(true);
                urlConnect.setUseCaches(false);

                return urlConnect.getInputStream();
            } catch (IOException e) {
                return null;
            }
        }
        return null;
    }

}