72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.share;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.FileInputStream;
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public class FileUtils {
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private FileUtils() {
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}
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/**
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* Read whole file.
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*
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* @param file file
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* @return contents of file as byte array
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*/
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public static byte[] readFile(File file) throws IOException {
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InputStream in = new FileInputStream(file);
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long countl = file.length();
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if (countl > Integer.MAX_VALUE)
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throw new IOException("File is too huge");
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int count = (int) countl;
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byte[] buffer = new byte[count];
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int n = 0;
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try {
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while (n < count) {
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int k = in.read(buffer, n, count - n);
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if (k < 0)
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throw new IOException("Unexpected EOF");
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n += k;
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}
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} finally {
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in.close();
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}
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return buffer;
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}
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/**
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* Read whole file.
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*
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* @param name file name
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* @return contents of file as byte array
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*/
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public static byte[] readFile(String name) throws IOException {
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return readFile(new File(name));
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}
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}
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