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

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Here is the source code for com.coroptis.coidi.rp.services.impl.HttpServiceImpl.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.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.http.HttpHost;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import com.coroptis.coidi.rp.services.HttpService;
import com.coroptis.coidi.rp.services.RpConfigurationService;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;

public class HttpServiceImpl implements HttpService {

    private final DefaultHttpClient httpClient;

    public HttpServiceImpl(final RpConfigurationService configurationService) {
        httpClient = new DefaultHttpClient();
        String proxyServer = configurationService.getProxyServer();
        if (!Strings.isNullOrEmpty(proxyServer)) {
            Integer proxyPort = configurationService.getProxyPort();
            if (proxyPort != null && proxyPort > 0) {
                HttpHost proxy = new HttpHost(proxyServer, proxyPort);
                httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

                String userName = configurationService.getProxyUsername();
                String password = configurationService.getProxyPassword();
                if (userName != null) {
                    httpClient.getCredentialsProvider().setCredentials(new AuthScope(proxyServer, proxyPort),
                            new UsernamePasswordCredentials(userName, password));
                }
            }
        }
        Preconditions.checkNotNull(httpClient, "httpClient");
    }

    @Override
    public DefaultHttpClient getHttpClient() {
        return httpClient;
    }

    @Override
    public Map<String, String> convertToMap(String body) {
        Map<String, String> out = new HashMap<String, String>();
        for (String line : body.split("\n")) {
            int pos = line.indexOf(":");
            if (pos > 0) {
                out.put(line.substring(0, pos), line.substring(pos + 1));
            }
        }
        return out;
    }

    @Override
    public List<NameValuePair> toList(Map<String, String> parameters) {
        List<NameValuePair> list = new ArrayList<NameValuePair>(parameters.size());
        for (Entry<String, String> entry : parameters.entrySet()) {
            list.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
        }
        return list;
    }
}