org.icgc.dcc.generator.utils.Files.java Source code

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Here is the source code for org.icgc.dcc.generator.utils.Files.java

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/*
 * Copyright (c) 2013 The Ontario Institute for Cancer Research. All rights reserved.                             
 *                                                                                                               
 * This program and the accompanying materials are made available under the terms of the GNU Public License v3.0.
 * You should have received a copy of the GNU General Public License along with                                  
 * this program. If not, see <http://www.gnu.org/licenses/>.                                                     
 *                                                                                                               
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY                           
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES                          
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT                           
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,                                
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED                          
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;                               
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER                              
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN                         
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.icgc.dcc.generator.utils;

import static com.google.common.base.Charsets.UTF_8;
import static lombok.AccessLevel.PRIVATE;

import java.io.File;

import lombok.NoArgsConstructor;
import lombok.SneakyThrows;

import com.google.common.io.LineProcessor;

@NoArgsConstructor(access = PRIVATE)
public final class Files {

    @SneakyThrows
    public static long getLineCount(File file) {
        return com.google.common.io.Files.readLines(file, UTF_8, new LineProcessor<Long>() {

            long count = 0;

            @Override
            public Long getResult() {
                return count;
            }

            @Override
            public boolean processLine(String line) {
                count++;
                return true;
            }

        });
    }

}