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/*
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package nsk.share;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.FileInputStream;
public class FileUtils {
private FileUtils() {
}
/**
* Read whole file.
*
* @param file file
* @return contents of file as byte array
*/
public static byte[] readFile(File file) throws IOException {
InputStream in = new FileInputStream(file);
long countl = file.length();
if (countl > Integer.MAX_VALUE)
throw new IOException("File is too huge");
int count = (int) countl;
byte[] buffer = new byte[count];
int n = 0;
try {
while (n < count) {
int k = in.read(buffer, n, count - n);
if (k < 0)
throw new IOException("Unexpected EOF");
n += k;
}
} finally {
in.close();
}
return buffer;
}
/**
* Read whole file.
*
* @param name file name
* @return contents of file as byte array
*/
public static byte[] readFile(String name) throws IOException {
return readFile(new File(name));
}
}
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