75 lines
2.1 KiB
Java
75 lines
2.1 KiB
Java
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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package org.nd4j.linalg.util;
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import java.io.BufferedInputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* Input stream jcuda.utils
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*
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* @author Adam Gibson
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*/
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public class InputStreamUtil {
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/**
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* Count number of lines in a file
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*
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* @param is
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* @return
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* @throws IOException
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*/
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public static int countLines(InputStream is) throws IOException {
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try {
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byte[] c = new byte[1024];
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int count = 0;
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int readChars = 0;
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boolean empty = true;
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while ((readChars = is.read(c)) != -1) {
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empty = false;
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for (int i = 0; i < readChars; ++i) {
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if (c[i] == '\n') {
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++count;
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}
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}
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}
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return (count == 0 && !empty) ? 1 : count;
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} finally {
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is.close();
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}
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}
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/**
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* Count number of lines in a file
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*
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* @param filename
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* @return
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* @throws IOException
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*/
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public static int countLines(String filename) throws IOException {
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FileInputStream fis = new FileInputStream(filename);
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try {
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return countLines(new BufferedInputStream(fis));
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} finally {
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fis.close();
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}
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}
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}
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