001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.importer.stream.consumer.watermarker; 020 021import static java.nio.charset.StandardCharsets.UTF_8; 022 023import java.io.IOException; 024import java.nio.file.Files; 025import java.nio.file.Path; 026import java.nio.file.StandardCopyOption; 027import java.nio.file.StandardOpenOption; 028 029/** 030 * Append the watermark at the end of text file 031 * 032 * @since 10.2 033 */ 034public class TextWatermarker extends AbstractWatermarker { 035 036 @Override 037 public Path addWatermark(Path inputFile, Path outputDir, String watermark) { 038 try { 039 Path output = getOutputPath(inputFile, outputDir, watermark); 040 Files.copy(inputFile, output, StandardCopyOption.REPLACE_EXISTING); 041 String footer = "\n" + watermark + "\n"; 042 Files.write(output, footer.getBytes(UTF_8), StandardOpenOption.APPEND); 043 return output; 044 } catch (IOException e) { 045 throw new IllegalArgumentException("Invalid text file: " + inputFile, e); 046 } 047 048 } 049}