be.fedict.eid.pkira.xkmsws.util.HttpUtil.java Source code

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Here is the source code for be.fedict.eid.pkira.xkmsws.util.HttpUtil.java

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/*
 * eID PKI RA Project.
 * Copyright (C) 2010-2014 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.pkira.xkmsws.util;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Map;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;

import be.fedict.eid.pkira.xkmsws.XKMSClientException;

public class HttpUtil {

    private final HttpClient client;
    private final String endpointAddress;

    public HttpUtil(String endPointAddress, Map<String, String> parameters) {
        this.endpointAddress = endPointAddress;

        client = new HttpClient();
        if (parameters.containsKey("http.proxyHost")) {
            String proxyHost = parameters.get("http.proxyHost");
            int proxyPort = Integer.parseInt(parameters.get("http.proxyPort"));
            client.getHostConfiguration().setProxy(proxyHost, proxyPort);
        }
    }

    public byte[] postMessage(String message) throws XKMSClientException {
        try {
            PostMethod method = new PostMethod(endpointAddress);
            method.setRequestEntity(new StringRequestEntity(message, "text/xml", "utf-8"));
            int resultCode = client.executeMethod(method);
            if (resultCode != 200) {
                throw new XKMSClientException("Error calling XKMS service. Got back status code " + resultCode);
            }

            return method.getResponseBody();
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e); // shouldn't happen
        } catch (HttpException e) {
            throw new XKMSClientException("Error calling XKMS service.", e);
        } catch (IOException e) {
            throw new XKMSClientException("Error calling XKMS service.", e);
        }
    }
}