org.openihs.seendroid.lib.Connection.java Source code

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Here is the source code for org.openihs.seendroid.lib.Connection.java

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/*
 * Copyright (C) 2011, Valentin Lorentz
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.openihs.seendroid.lib;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.UnknownHostException;

import org.apache.http.HttpMessage;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnManagerPNames;
import org.apache.http.conn.params.ConnPerRouteBean;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.SingleClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

import android.util.Base64;

public class Connection {
    private String username, password;
    private String base_api_url = "https://seenthis.net/api";
    //private String base_api_url = "http://192.168.1.150:12345/api";

    public Connection(String username, String password) {
        this.username = username;
        this.password = password;
    }

    /**
     * 
     * @param message
     * @return
     * @throws ClientProtocolException
     * @throws IOException
     */
    public HttpResponse query(HttpRequestBase message)
            throws ClientProtocolException, IOException, UnknownHostException {
        // SSL fixes (javax.net.ssl.SSLPeerUnverifiedException: No peer certificate)
        // From http://www.virtualzone.de/2011-02-27/how-to-use-apache-httpclient-with-httpsssl-on-android/
        SchemeRegistry schemeRegistry = new SchemeRegistry();
        schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        schemeRegistry.register(new Scheme("https", new EasySSLSocketFactory(), 443));

        HttpParams params = new BasicHttpParams();
        params.setParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 30);
        params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, new ConnPerRouteBean(30));
        params.setParameter(HttpProtocolParams.USE_EXPECT_CONTINUE, false);
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);

        ClientConnectionManager cm = new SingleClientConnManager(params, schemeRegistry);

        // Real code:
        DefaultHttpClient client = new DefaultHttpClient(cm, params);

        HttpResponse response = client.execute(message);
        return response;
    }

    public HttpPost getHttpPost(String uri) {
        HttpPost post = new HttpPost(this.base_api_url + uri);
        this.addHeaders(post);
        post.addHeader("Content-type", "application/atom+xml;type=entry");
        return post;
    }

    public HttpPost getHttpPost(String uri, String data) {
        HttpPost post = this.getHttpPost(uri);
        try {

            StringEntity entity = new StringEntity(data, HTTP.UTF_8);
            post.setEntity(entity);
            return post;
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return null;
        }
    }

    public HttpPut getHttpPut(String uri) {
        HttpPut post = new HttpPut(this.base_api_url + uri);
        this.addHeaders(post);
        post.addHeader("Content-type", "application/atom+xml;type=entry");
        return post;
    }

    public HttpDelete getHttpDelete(String uri) {
        HttpDelete post = new HttpDelete(this.base_api_url + uri);
        this.addHeaders(post);
        post.addHeader("Content-type", "application/atom+xml;type=entry");
        return post;
    }

    public HttpGet getHttpGet(String uri) {
        HttpGet get = new HttpGet(this.base_api_url + uri);
        this.addHeaders(get);
        return get;
    }

    private void addHeaders(HttpMessage message) {
        String credentials = Base64.encodeToString((this.username + ":" + this.password).getBytes(),
                Base64.DEFAULT);
        message.addHeader("User-agent", "SeenDroid");
        message.addHeader("Authorization", "Basic " + credentials.substring(0, credentials.length() - 1));
    }

    public String getUsername() {
        return this.username;
    }
}