com.coroptis.coidi.rp.services.impl.HttpTranportServiceImpl.java Source code

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Here is the source code for com.coroptis.coidi.rp.services.impl.HttpTranportServiceImpl.java

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/**
 * Copyright 2012 coroptis.com
 *
 *    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 com.coroptis.coidi.rp.services.impl;

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

import javax.servlet.http.HttpServletResponse;

import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.params.AllClientPNames;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.coroptis.coidi.CoidiException;
import com.coroptis.coidi.rp.services.HttpService;
import com.coroptis.coidi.rp.services.HttpTransportService;
import com.google.common.base.Preconditions;

public class HttpTranportServiceImpl implements HttpTransportService {

    private final static Logger logger = LoggerFactory.getLogger(HttpTranportServiceImpl.class);

    private final HttpService httpService;

    public HttpTranportServiceImpl(final HttpService httpService) {
        this.httpService = Preconditions.checkNotNull(httpService);
    }

    @Override
    public Map<String, String> doPost(final String url, final Map<String, String> map) {
        Preconditions.checkNotNull(url, "URL");
        try {
            HttpPost post = new HttpPost(url);
            post.getParams().setBooleanParameter(AllClientPNames.HANDLE_REDIRECTS, false);
            post.setEntity(new UrlEncodedFormEntity(httpService.toList(map), "UTF-8"));
            HttpResponse httpResponse = httpService.getHttpClient().execute(post);
            String resp = EntityUtils.toString(httpResponse.getEntity());
            if (HttpServletResponse.SC_OK == httpResponse.getStatusLine().getStatusCode()) {
                logger.debug("HTTP status code '{}' response: {}", httpResponse.getStatusLine().getStatusCode(),
                        resp);
                return httpService.convertToMap(resp);
            } else {
                logger.error("HTTP status code '{}' invalid response: {}",
                        httpResponse.getStatusLine().getStatusCode(), resp);
                throw new CoidiException(
                        "Unable to process response code '" + httpResponse.getStatusLine().getStatusCode() + "'");
            }
        } catch (ParseException e) {
            logger.error(e.getMessage(), e);
            throw new CoidiException(e.getMessage(), e);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
            throw new CoidiException(e.getMessage(), e);
        }
    }

}