linphone-android/sample/src/org/linphone/mini/LinphoneMiniUtils.java

package org.linphone.mini;
/*
LinphoneMiniUtils.java
Copyright (C) 2014  Belledonne Communications, Grenoble, France

This program 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 2
of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import android.content.Context;

/**
 * @author Sylvain Berfini
 */
public class LinphoneMiniUtils {
	public static void copyIfNotExist(Context context, int ressourceId, String target) throws IOException {
		File lFileToCopy = new File(target);
		if (!lFileToCopy.exists()) {
			copyFromPackage(context, ressourceId, lFileToCopy.getName()); 
		}
	}
	
	public static void copyFromPackage(Context context, int ressourceId, String target) throws IOException {
		FileOutputStream lOutputStream = context.openFileOutput (target, 0); 
		InputStream lInputStream = context.getResources().openRawResource(ressourceId);
		int readByte;
		byte[] buff = new byte[8048];
		while (( readByte = lInputStream.read(buff)) != -1) {
			lOutputStream.write(buff,0, readByte);
		}
		lOutputStream.flush();
		lOutputStream.close();
		lInputStream.close();
	}
}