Add load file to String methods.

src/fr/devinsy/util/ToolBox.java

@@ -1,8 +1,12 @@
 package fr.devinsy.util;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
@@ -240,6 +244,76 @@ public class ToolBox
 		return result;
 	}
 
+	/**
+	 * 
+	 * @param file
+	 * @return
+	 * @throws IOException
+	 */
+	static public String load(final File file) throws IOException
+	{
+		String result;
+
+		final String DEFAULT_CHARSET_NAME = "UTF-8";
+		result = load(file, DEFAULT_CHARSET_NAME);
+
+		//
+		return result;
+	}
+
+	/**
+	 * 
+	 * @param file
+	 * @throws IOException
+	 */
+	public static String load(final File file, final String charsetName) throws IOException
+	{
+		String result;
+
+		BufferedReader in = null;
+		try
+		{
+			in = new BufferedReader(new InputStreamReader(new FileInputStream(file), charsetName));
+
+			boolean ended = false;
+			final String LINE_SEPARATOR = System.getProperty("line.separator");
+			StringBuffer buffer = new StringBuffer((int) file.length());
+			while (!ended)
+			{
+				String line = in.readLine();
+
+				if (line == null)
+				{
+					ended = true;
+				}
+				else
+				{
+					buffer.append(line).append(LINE_SEPARATOR);
+				}
+			}
+
+			//
+			result = buffer.toString();
+		}
+		finally
+		{
+			try
+			{
+				if (in != null)
+				{
+					in.close();
+				}
+			}
+			catch (IOException exception)
+			{
+				exception.printStackTrace();
+			}
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 * @param file