com.rei.lolchat.smack.avatar.HttpClientAvatarRetriever.java Source code

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Here is the source code for com.rei.lolchat.smack.avatar.HttpClientAvatarRetriever.java

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/*
BEEM is a videoconference application on the Android Platform.
    
Copyright (C) 2009 by Frederic-Charles Barthelery,
                      Jean-Manuel Da Silva,
                      Nikita Kozlov,
                      Philippe Lago,
                      Jean Baptiste Vergely,
                      Vincent Veronis.
    
This file is part of BEEM.
    
BEEM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
BEEM 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with BEEM.  If not, see <http://www.gnu.org/licenses/>.
    
Please send bug reports with examples or suggestions to
contact@beem-project.com or http://dev.beem-project.com/
    
Epitech, hereby disclaims all copyright interest in the program "Beem"
written by Frederic-Charles Barthelery,
           Jean-Manuel Da Silva,
           Nikita Kozlov,
           Philippe Lago,
           Jean Baptiste Vergely,
           Vincent Veronis.
    
Nicolas Sadirac, November 26, 2009
President of Epitech.
    
Flavien Astraud, November 26, 2009
Head of the EIP Laboratory.
    
*/
package com.rei.lolchat.smack.avatar;

import java.io.InputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.http.client.HttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpEntity;

/**
 * An AvatarRetriever which retrieve the avatar over HTTP using the Apache HttpClient.
 */
public class HttpClientAvatarRetriever implements AvatarRetriever {

    private String mUrl;
    private HttpClient mClient;

    /**
     * Create a HttpAvatarRetriever.
     *
     * @param client the custom HttpClient to use to downlowad
     * @param url the url of the avatar to download.
     */
    public HttpClientAvatarRetriever(final HttpClient client, final String url) {
        mUrl = url;
        mClient = client;
    }

    /**
     * Create a HttpAvatarRetriever.
     *
     * @param url the url of the avatar to download.
     */
    public HttpClientAvatarRetriever(final String url) {
        mUrl = url;
        mClient = new DefaultHttpClient();
    }

    @Override
    public byte[] getAvatar() throws IOException {
        HttpUriRequest request;
        try {
            request = new HttpGet(mUrl);
        } catch (IllegalArgumentException e) {
            IOException ioe = new IOException("Invalid url " + mUrl);
            ioe.initCause(e);
            throw ioe;
        }
        HttpResponse response = mClient.execute(request);
        HttpEntity entity = response.getEntity();
        InputStream in = entity.getContent();
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            byte[] data = new byte[1024];
            int nbread;
            while ((nbread = in.read(data)) != -1) {
                os.write(data, 0, nbread);
            }
        } finally {
            in.close();
            os.close();
        }
        return os.toByteArray();
    }

}