br.gov.jfrj.siga.base.ConexaoHTTP.java Source code

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Here is the source code for br.gov.jfrj.siga.base.ConexaoHTTP.java

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/*******************************************************************************
 * Copyright (c) 2006 - 2011 SJRJ.
 * 
 *     This file is part of SIGA.
 * 
 *     SIGA 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.
 * 
 *     SIGA 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 SIGA.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package br.gov.jfrj.siga.base;

import java.io.DataOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;

import org.apache.commons.io.IOUtils;

public class ConexaoHTTP {

    public static String get(String URL, HashMap<String, String> header) throws AplicacaoException {
        return get(URL, header, null, null);
    }

    public static String get(String URL, HashMap<String, String> header, Integer timeout, String payload)
            throws AplicacaoException {

        try {

            HttpURLConnection conn = (HttpURLConnection) new URL(URL).openConnection();

            if (timeout != null) {
                conn.setConnectTimeout(timeout);
                conn.setReadTimeout(timeout);
            }

            //conn.setInstanceFollowRedirects(true);

            if (header != null) {
                for (String s : header.keySet()) {
                    conn.setRequestProperty(s, header.get(s));
                }
            }

            System.setProperty("http.keepAlive", "false");

            if (payload != null) {
                byte ab[] = payload.getBytes("UTF-8");
                conn.setRequestMethod("POST");
                // Send post request
                conn.setDoOutput(true);
                OutputStream os = conn.getOutputStream();
                os.write(ab);
                os.flush();
                os.close();
            }

            //StringWriter writer = new StringWriter();
            //IOUtils.copy(conn.getInputStream(), writer, "UTF-8");
            //return writer.toString();
            return IOUtils.toString(conn.getInputStream(), "UTF-8");

        } catch (IOException ioe) {
            throw new AplicacaoException("No foi possvel abrir conexo", 1, ioe);
        }

    }

    public static String get(String url) throws AplicacaoException {
        return get(url, new HashMap<String, String>());
    }
}