001 /* 002 * Copyright 2011 The Kuali Foundation. 003 * 004 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php 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 package org.kuali.kfs.gl.batch; 017 018 import java.io.BufferedReader; 019 import java.io.FileNotFoundException; 020 import java.io.FileReader; 021 import java.io.IOException; 022 import java.io.PrintStream; 023 import java.util.ArrayList; 024 import java.util.Collections; 025 import java.util.Comparator; 026 import java.util.List; 027 028 import org.kuali.kfs.gl.batch.service.BatchSortService; 029 030 /** 031 * This class... 032 */ 033 public class BatchSortUtil { 034 private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(BatchSortUtil.class); 035 036 static public void sortTextFileWithFields(String inputFileName, String outputFileName, Comparator comparator){ 037 FileReader inputFile = null; 038 PrintStream outputFileStream = null; 039 try { 040 inputFile = new FileReader(inputFileName); 041 outputFileStream = new PrintStream(outputFileName); 042 } 043 catch (FileNotFoundException e) { 044 throw new RuntimeException(e); 045 } 046 catch (IOException e) { 047 throw new RuntimeException(e); 048 } 049 050 // String lineLengh = GeneralLedgerConstants.getSpaceAllOriginEntryFields(); 051 // File inputFile = new File(inputFileName); 052 // Long lineNumber = inputFile.length() / (lineLengh.length()+1); 053 054 055 List<String> lineList = new ArrayList(); 056 BufferedReader inputBufferedReader = new BufferedReader(inputFile); 057 058 try { 059 String currentLine = inputBufferedReader.readLine(); 060 while (currentLine != null) { 061 lineList.add(currentLine); 062 currentLine = inputBufferedReader.readLine(); 063 } 064 inputBufferedReader.close(); 065 066 } catch (IOException e) { 067 LOG.error("sortTextFileWithFields() Stopped: " + e.getMessage()); 068 throw new RuntimeException("sortTextFileWithFields() Stopped: " + e.getMessage(), e); 069 } 070 Collections.sort(lineList, comparator); 071 072 for (String line: lineList){ 073 outputFileStream.printf("%s\n", line); 074 } 075 outputFileStream.close(); 076 077 } 078 079 080 }