File searching through java
Input : File Name and the directory to which searching
Output : List of files
Main Class :
Supporting Classes :
Output Sample :
Input : File Name and the directory to which searching
Output : List of files
Main Class :
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | package com.rakesh.codetalk.fileSearch; import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import java.util.ArrayList; /** * @author Rakesh KR * @since December 2K14 */ public class FileSearchBO { public static void main(String argv[]) throws Exception{ FileSearchDTO fileSearchDTO = new FileSearchDTO(); FileSearchDAO fileSearchDAO = new FileSearchDAO(); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter the fileName to be searched : "); fileSearchDTO.setFileNameToSearch(br.readLine()); System.out.println("Enter the directory to which search : "); fileSearchDAO.search(new File(br.readLine()), fileSearchDTO , new ArrayList<String>()); if(fileSearchDTO.getResultFileList()!=null && !fileSearchDTO.getResultFileList().isEmpty()){ System.out.println("\n\nFile Founded At : "); for(String files : fileSearchDTO.getResultFileList()){ System.out.println(" "+files); } } else{ System.out.println("Error : "+fileSearchDTO.getStatusString()); } } } |
Supporting Classes :
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | package com.rakesh.codetalk.fileSearch; import java.io.File; import java.util.List; /** * @author Rakesh KR * @since December 2K14 */ public class FileSearchDAO { public void search(File searchFile, FileSearchDTO fileSearchDTO , List<String> resultFileList){ try{ if(searchFile!=null){ if(searchFile.isDirectory()){ if(searchFile.canRead()){ for(File file : searchFile.listFiles()){ System.out.println(file); if(file.isDirectory()){ search(file, fileSearchDTO, resultFileList); } else{ if(fileSearchDTO.getFileNameToSearch().equalsIgnoreCase(file.getName())){ resultFileList.add(file.getAbsolutePath()); } } } } else{ fileSearchDTO.setStatusString("No Permission to Read !!! File : "+searchFile.getAbsoluteFile()); } } else{ fileSearchDTO.setStatusString("Not a Directory !!! File : "+searchFile.getAbsoluteFile()); } } else{ fileSearchDTO.setStatusString("No such File !!! "); } if(resultFileList!=null && !resultFileList.isEmpty()){ fileSearchDTO.setResultFileList(resultFileList); fileSearchDTO.setStatusString("File Searching Success !!! "); } } catch(Exception e){ fileSearchDTO.setStatusString("Error in File Searching !!! "); e.printStackTrace(); } finally{ resultFileList = null; } } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | package com.rakesh.codetalk.fileSearch; import java.io.File; import java.util.List; /** * @author Rakesh KR * @since December 2K14 */ public class FileSearchDTO { private File file; private String statusString; private String fileNameToSearch; private List<String> resultFileList; /** * @return the file */ public File getFile() { return file; } /** * @param file the file to set */ public void setFile(File file) { this.file = file; } /** * @return the statusString */ public String getStatusString() { return statusString; } /** * @param statusString the statusString to set */ public void setStatusString(String statusString) { this.statusString = statusString; } /** * @return the fileNameToSearch */ public String getFileNameToSearch() { return fileNameToSearch; } /** * @param fileNameToSearch the fileNameToSearch to set */ public void setFileNameToSearch(String fileNameToSearch) { this.fileNameToSearch = fileNameToSearch; } /** * @return the resultFileList */ public List<String> getResultFileList() { return resultFileList; } /** * @param resultFileList the resultFileList to set */ public void setResultFileList(List<String> resultFileList) { this.resultFileList = resultFileList; } } |
Output Sample :
Enter the fileName to be searched : Rakesh.txt Enter the directory to which search : /media/rakesh/WorkZ/WorkZ/CodeTalk/ /media/rakesh/WorkZ/WorkZ/CodeTalk/Short URL /media/rakesh/WorkZ/WorkZ/CodeTalk/JAVA /media/rakesh/WorkZ/WorkZ/CodeTalk/JAVA/What is the difference between JVM, JDK & JRE /media/rakesh/WorkZ/WorkZ/CodeTalk/JAVA/Why we Pass String array as argument to main method [JAVA] /media/rakesh/WorkZ/WorkZ/CodeTalk/JAVA/Rakesh.txt /media/rakesh/WorkZ/WorkZ/CodeTalk/Linux /media/rakesh/WorkZ/WorkZ/CodeTalk/Linux/Installing Java 7 on Ubuntu .txt /media/rakesh/WorkZ/WorkZ/CodeTalk/Linux/Install Google Chrome.txt /media/rakesh/WorkZ/WorkZ/CodeTalk/Linux/Rakesh.txt /media/rakesh/WorkZ/WorkZ/CodeTalk/Images /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/copy of Ct-logo-small.png /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/Ct-logo-small.png /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/CodeTalk2.png /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/jvm_jre_jdk.jpg /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/CCCCCCCCC.jpg /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/CodeTalk.jpg /media/rakesh/WorkZ/WorkZ/CodeTalk/Images/Ct-logo-big.png File Founded At : /media/rakesh/WorkZ/WorkZ/CodeTalk/JAVA/Rakesh.txt /media/rakesh/WorkZ/WorkZ/CodeTalk/Linux/Rakesh.txt
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