PreferencesUtil.java

package com.aincc.lib.util;

import java.util.Set;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.SharedPreferences;

/**
 * 
 * <h3><b>CPreferencesUtil</b></h3></br>
 * 
 * @author aincc@barusoft.com
 * @version 1.0.0
 * @since 1.0.0
 */
public class PreferencesUtil
{
	/**
	 * Preference
	 * 
	 * @param context
	 * @param filename
	 * @return
	 */
	private static SharedPreferences getPreferences(Context context, String filename)
	{
		if (context == null || filename == null)
			return null;

		SharedPreferences result = null;

		try
		{
			result = context.getApplicationContext().getSharedPreferences(filename, Context.MODE_PRIVATE);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * Preference editor
	 * 
	 * @param context
	 * @param filename
	 * @return
	 */
	private static SharedPreferences.Editor getPreferencesEditor(Context context, String filename)
	{
		if (context == null || filename == null)
			return null;

		SharedPreferences result = null;

		try
		{
			result = getPreferences(context, filename);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		if (result == null)
			return null;

		return result.edit();
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @return
	 */
	public static String getString(Context context, String filename, String key)
	{
		if (context == null || filename == null || key == null)
			return "";

		String result = "";

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getString(key, "");
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param defValue
	 * @return
	 */
	public static String getString(Context context, String filename, String key, String defValue)
	{
		if (context == null || filename == null || key == null)
			return "";

		String result = "";

		try
		{
			SharedPreferences pref = context.getApplicationContext().getSharedPreferences(filename, Context.MODE_PRIVATE);
			result = pref.getString(key, defValue);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param value
	 * @return
	 */
	public static boolean setString(Context context, String filename, String key, String value)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences.Editor editor = getPreferencesEditor(context, filename);
			editor.putString(key, value);
			result = editor.commit();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @return 데이터가 존재하면 Set<String>을 반환하고, 없으면 null 을 반환한다.
	 */
	@TargetApi(11)
	public static Set<String> getStringSet(Context context, String filename, String key)
	{
		if (context == null || filename == null || key == null)
			return null;

		Set<String> result = null;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getStringSet(key, null);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param defValue
	 * @return 데이터가 존재하면 Set<String>을 반환하고, 없으면 null 을 반환한다.
	 */
	@TargetApi(11)
	public static Set<String> getStringSet(Context context, String filename, String key, Set<String> def)
	{
		if (context == null || filename == null || key == null)
			return null;

		Set<String> result = null;

		try
		{
			SharedPreferences pref = context.getApplicationContext().getSharedPreferences(filename, Context.MODE_PRIVATE);
			result = pref.getStringSet(key, def);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param value
	 * @return
	 */
	@TargetApi(11)
	public static boolean setStringSet(Context context, String filename, String key, Set<String> value)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences.Editor editor = getPreferencesEditor(context, filename);
			editor.putStringSet(key, value);
			result = editor.commit();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @return
	 */
	public static int getInt(Context context, String filename, String key)
	{
		if (context == null || filename == null || key == null)
			return 0;

		int result = 0;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getInt(key, 0);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param defValue
	 * @return
	 */
	public static int getInt(Context context, String filename, String key, int defValue)
	{
		if (context == null || filename == null || key == null)
			return 0;

		int result = 0;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getInt(key, defValue);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param value
	 * @return
	 */
	public static boolean setInt(Context context, String filename, String key, int value)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences.Editor editor = getPreferencesEditor(context, filename);
			editor.putInt(key, value);
			result = editor.commit();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @return
	 */
	public static long getLong(Context context, String filename, String key)
	{
		if (context == null || filename == null || key == null)
			return 0;

		long result = 0;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getLong(key, 0);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param defValue
	 * @return
	 */
	public static long getLong(Context context, String filename, String key, long defValue)
	{
		if (context == null || filename == null || key == null)
			return 0;

		long result = 0;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getLong(key, defValue);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param value
	 * @return
	 */
	public static boolean setLong(Context context, String filename, String key, long value)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences.Editor editor = getPreferencesEditor(context, filename);
			editor.putLong(key, value);
			result = editor.commit();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @return
	 */
	public static boolean getBoolean(Context context, String filename, String key)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getBoolean(key, false);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param defValue
	 * @return
	 */
	public static boolean getBoolean(Context context, String filename, String key, boolean defValue)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences pref = getPreferences(context, filename);
			result = pref.getBoolean(key, defValue);
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}

	/**
	 * 
	 * @param context
	 * @param filename
	 * @param key
	 * @param value
	 * @return
	 */
	public static boolean setBoolean(Context context, String filename, String key, boolean value)
	{
		if (context == null || filename == null || key == null)
			return false;

		boolean result = false;

		try
		{
			SharedPreferences.Editor editor = getPreferencesEditor(context, filename);
			editor.putBoolean(key, value);
			result = editor.commit();
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}

		return result;
	}
}