Utilities.java

/*******************************************************************************
 * Copyright 2013 PAR Works, Inc
 * 
 * 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 com.parworks.mars.utils;

import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;

import android.content.Context;

public class Utilities {
	
	public static final String DEBUG_TAG_SYNC = "DEBUG_TAG_SYNC";
	
	public static File GetCacheDir(Context context)
	{
	    File cacheDir;
	    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))
	        cacheDir = new File(android.os.Environment.getExternalStorageDirectory(), "com.parworks.mars");
	    else
	        cacheDir = context.getCacheDir();
	    if (!cacheDir.exists())
	        cacheDir.mkdirs();

	    return cacheDir;
	}
	
	public static void CopyStream(InputStream is, OutputStream os)
	{
	    final int buffer_size = 1024;
	    try
	    {
	        byte[] bytes = new byte[buffer_size];
	        for (;;)
	        {
	            int count = is.read(bytes, 0, buffer_size);
	            if (count == -1)
	                break;
	            os.write(bytes, 0, count);
	        }
	    } catch (Exception ex)
	    {
	    }
	}

	public static int getDensityPixels(int pixels, Context context) {
		return (int) (pixels * context.getResources().getDisplayMetrics().density);
	}
}