nl.coralic.beta.sms.utils.http.HttpHandler.java Source code

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Here is the source code for nl.coralic.beta.sms.utils.http.HttpHandler.java

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/*
 * Copyright 2011 Armin orali
 * 
 *    http://blog.coralic.nl
 * 
 * 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 nl.coralic.beta.sms.utils.http;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import nl.coralic.beta.sms.R;
import nl.coralic.beta.sms.utils.objects.Response;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;

public class HttpHandler {
    public static Response execute(String url, HashMap<String, String> arguments) {
        try {
            List<NameValuePair> postdata = createPostData(arguments);
            return doPost(url, postdata);
        } catch (Exception e) {
            return new Response(R.string.ERR_NO_ARGUMENTS);
        }
    }

    private static List<NameValuePair> createPostData(HashMap<String, String> arguments) throws Exception {
        List<NameValuePair> postdata = new ArrayList<NameValuePair>();
        if (arguments != null) {
            for (String key : arguments.keySet()) {
                postdata.add(new BasicNameValuePair(key, arguments.get(key)));
            }
            return postdata;
        }
        throw new Exception("No arguments");
    }

    private static Response doPost(String url, List<NameValuePair> postdata) {
        HttpClient httpclient = getHttpClient();
        try {
            HttpPost httpost = new HttpPost(url);
            httpost.setEntity(new UrlEncodedFormEntity(postdata, HTTP.UTF_8));
            HttpResponse response = httpclient.execute(httpost);
            if (response.getStatusLine().getStatusCode() == 200) {
                ResponseHandler<String> responseHandler = new BasicResponseHandler();
                return new Response(responseHandler.handleResponse(response));
            } else {
                return new Response(R.string.ERR_PROV_NO_RESP);
            }
        } catch (Exception e) {
            return new Response(R.string.ERR_CONN_ERR);
        } finally {
            // Release the resources
            httpclient.getConnectionManager().shutdown();
        }
    }

    private static HttpClient getHttpClient() {
        HttpParams httpParameters = new BasicHttpParams();
        int timeoutConnection = 28000;
        HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
        int timeoutSocket = 28000;
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
        return new DefaultHttpClient(httpParameters);
    }
}