package net.krautchan.android.network;
/*
* Copyright (C) 2011 Johannes Jander (johannes@jandermail.de)
*
* 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.
*/
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
public class UpdateCheck {
private final UpdateCheckPeer peer;
private final HttpClient httpClient;
private final String url;
public UpdateCheck(UpdateCheckPeer peer, HttpClient httpClient, String url) {
this.peer = peer;
this.httpClient = httpClient;
this.url = url;
}
public void checkForUpdate (Context ctx) {
PackageInfo pInfo;
try {
pInfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(), 0);
final int version = pInfo.versionCode;
new Thread(new Runnable() {
@Override
public void run() {
HttpGet request = new HttpGet (url);
try {
HttpResponse response = httpClient.execute(request);
BufferedReader reader = new BufferedReader (new InputStreamReader (response.getEntity().getContent()));
int curChar;
StringBuffer buf = new StringBuffer();
curChar = reader.read();
while (-1 != curChar) {
buf.append((char)curChar);
curChar = reader.read();
}
reader.close();
if (response.getEntity() != null ) {
response.getEntity().consumeContent();
}
if (Integer.parseInt(buf.toString()) > version) {
peer.updateAvailable();
}
} catch (Exception e) {
e.printStackTrace();
//FIXME do something
}
}}).start();
} catch (NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public interface UpdateCheckPeer {
public void updateAvailable();
}
}