1 /******************************************************************************* 2 * Copyright (c) 2000, 2006 IBM Corporation and others. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * IBM Corporation - initial API and implementation 10 *******************************************************************************/ 11 12 package org.eclipse.releng.generators; 13 14 import java.io.File; 15 import java.io.FileNotFoundException; 16 import java.io.FileOutputStream; 17 import java.io.IOException; 18 import java.util.StringTokenizer; 19 import org.apache.tools.ant.BuildException; 20 import org.apache.tools.ant.Task; 21 22 /** 23 * This task will count the number of fils in a given directory 24 * that match a given filter. The number of fils will be output 25 * to a given output file. The output file will be overwritten 26 * if it already exists. 27 * 28 * Note: Filter comparison is NOT case sensitive. Do not use wild cards. 29 * ie .zip counts all files with .zip anywere in the name. 30 */ 31 public class FileCounter extends Task { 32 33 private String sourceDirectory = ""; 34 private String filterString = ".zip"; 35 private String outputFile = ""; 36 main(String args[])37 public static void main(String args[]) { 38 // For testing only. 39 FileCounter aFileCounter = new FileCounter(); 40 aFileCounter.setSourceDirectory("c:\\RelEng\\dean"); 41 aFileCounter.setOutputFile("c:\\RelEng\\dean\\files.count"); 42 aFileCounter.setFilterString(".zip"); 43 aFileCounter.execute(); 44 } 45 execute()46 public void execute() throws BuildException { 47 // Do the work. 48 49 int count = 0; 50 51 System.out.println("Source Directory: " + this.getSourceDirectory()); 52 System.out.println("Output File: " + this.getOutputFile()); 53 System.out.println("Filter String: " + this.getFilterString()); 54 55 File aDirectory = new File(this.getSourceDirectory()); 56 if (aDirectory == null) { 57 throw new BuildException("Directory " + this.getSourceDirectory() + " not found."); 58 } 59 60 String[] names = aDirectory.list(); 61 if (names == null) { 62 throw new BuildException("Directory " + this.getSourceDirectory() + " not found."); 63 } 64 65 System.out.println("List size: " + names.length); 66 67 for (int i = 0; i < names.length; i++) { 68 System.out.println("Name: " + names[i]); 69 70 int index = -1; 71 StringTokenizer types = getFileTypes(); 72 73 while (types.hasMoreTokens()){ 74 index = names[i].toLowerCase().indexOf(types.nextToken().toLowerCase()); 75 if (index != -1) { 76 count++; 77 } 78 } 79 80 } 81 82 try { 83 FileOutputStream anOutputStream = new FileOutputStream(this.getOutputFile()); 84 anOutputStream.write(String.valueOf(count).getBytes()); 85 anOutputStream.close(); 86 } catch (FileNotFoundException e) { 87 throw new BuildException("Can not create file.count file"); 88 } catch (IOException e) { 89 throw new BuildException("Can not create file.count file"); 90 } 91 92 } 93 getFileTypes()94 private StringTokenizer getFileTypes(){ 95 return new StringTokenizer(getFilterString(),","); 96 } 97 98 /** 99 * Gets the sourceDirectory. 100 * @return Returns a String 101 */ getSourceDirectory()102 public String getSourceDirectory() { 103 return sourceDirectory; 104 } 105 106 /** 107 * Sets the sourceDirectory. 108 * @param sourceDirectory The sourceDirectory to set 109 */ setSourceDirectory(String sourceDirectory)110 public void setSourceDirectory(String sourceDirectory) { 111 this.sourceDirectory = sourceDirectory; 112 } 113 114 /** 115 * Gets the filterString. 116 * @return Returns a String 117 */ getFilterString()118 public String getFilterString() { 119 return filterString; 120 } 121 122 /** 123 * Sets the filterString. 124 * @param filterString The filterString to set 125 */ setFilterString(String filterString)126 public void setFilterString(String filterString) { 127 this.filterString = filterString; 128 } 129 130 /** 131 * Gets the outputFile. 132 * @return Returns a String 133 */ getOutputFile()134 public String getOutputFile() { 135 return outputFile; 136 } 137 138 /** 139 * Sets the outputFile. 140 * @param outputFile The outputFile to set 141 */ setOutputFile(String outputFile)142 public void setOutputFile(String outputFile) { 143 this.outputFile = outputFile; 144 } 145 146 } 147