new tools to search files

src/clientP2P/ClientInterfaceCLI.java

@@ -1,6 +1,7 @@
 package clientP2P;
 import clientP2P.ClientInterface;
 import clientP2P.ClientManagement;
+import tools.SearchFile;
 import tools.LogLevel;
 import tools.Logger;
 import java.util.Scanner;
@@ -49,26 +50,94 @@ public class ClientInterfaceCLI extends ClientInterface {
 		while (isRunning) {
 			try {
 				int i = 1;
+				SearchFile searchEngine = new SearchFile();
+				int optionSearch = 0;
+				String searchInput = "";
 				String[] list = clientManagement.listDirectory();
-				System.out.println("Files present on the server:");
+				String[] resultArray = {};
-				System.out.println("R: Refresh file list");
+				boolean searchChoice = false;
+				while (!searchChoice) {
+					System.out.println("Do you want to show a list of downloadable files or search by name or extention");
+					System.out.println("1 : show a list of downloadable files");
+					System.out.println("2 : search by name");
+					System.out.println("3 : search by extention");
+					try {
+						optionSearch = Integer.parseInt(scanner.nextLine());
+					} catch (NumberFormatException e) {
+						System.out.println("Wrong input, try again");
+						break;
+					}
+					switch(optionSearch) {
+						case 1:
+							System.out.println("Files present on server(s):");
+							System.out.println("R: Restart the program");
 							System.out.println("0: Exit the program");
+							resultArray = list;
 							for(String listItem: list) {
 								System.out.println(i + " : " + listItem);
 								i++;
 							}
-				System.out.println("Type the number associated with the file to download:");
+							searchChoice = true;
+							break;
+
+						case 2 :
+							System.out.println("please type the term to search");
+							searchInput = scanner.nextLine();
+							resultArray = searchEngine.searchByName(list, searchInput);
+							if (resultArray.length == 0) {
+								System.out.println("Nothing found for your request.");
+								System.out.println("R: Restart the program");
+								System.out.println("0: Exit the program");
+							} else {
+								System.out.println("Result of files present on server(s):");
+								System.out.println("R: Restart the program");
+								System.out.println("0: Exit the program");
+								for(String listItem: resultArray) {
+									System.out.println(i + " : " + listItem);
+									i++;
+								}
+							}
+							searchChoice = true;
+							break;
+
+						case 3 :
+							System.out.println("Please type the term to search");
+							searchInput = scanner.nextLine();
+							resultArray = searchEngine.searchByExtention(list, searchInput);
+							if (resultArray.length == 0) {
+								System.out.println("Nothing found for your request.");
+								System.out.println("R: Restart the program");
+								System.out.println("0: Exit the program");
+							} else {
+								System.out.println("Result of files present on server(s):");
+								System.out.println("R: Restart the program");
+								System.out.println("0: Exit the program");
+								for(String listItem: resultArray) {
+									System.out.println(i + " : " + listItem);
+									i++;
+								}
+							}
+							searchChoice = true;
+							break;
+						
+						default:
+							System.out.println("Wrong input, try again");
+							break;
+					}
+				}
+
+				System.out.println("Type the number associated with the file to download / or exit the program:");
 				String f = scanner.nextLine();
 				if (f.equals("0")) {
 					isRunning = false;
 				} else if (f.equals("R") || f.equals("r")) {
-					writeLog("File list refresh.", LogLevel.Info);
+					writeLog("Restarting.", LogLevel.Info);
 				} else {
 					try {
 						int j = Integer.parseInt(f);
-						if (j <= list.length) {
+						if (j <= resultArray.length) {
 							j--;
-							clientManagement.download(list[j]);
+							clientManagement.download(resultArray[j]);
 							writeLog("File " + f + " sucessfully downloaded", LogLevel.Info);
 						} else {
 							writeLog("File " + f + " unsucessfully downloaded, wrong number", LogLevel.Error);

src/clientP2P/ClientManagement.java

@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.net.UnknownHostException;
+import java.net.SocketException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import localException.ProtocolError;
@@ -37,7 +38,7 @@ import tools.ServeErrors;
 import tools.HostItem;
 import tools.Logger;
 import tools.LogLevel;
-import java.net.SocketException;
+
 
 /** Implementation of P2P-JAVA-PROJECT CLIENT
  * @author	Louis Royer

src/tools/SearchFile.java

@@ -0,0 +1,60 @@
+package tools;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/** Helper to search for files.
+ * @author	Louis Royer
+ * @author	Flavien Haas
+ * @author	JS Auge
+ * @version	1.0
+ */
+public class SearchFile {
+
+	/** search correspondance of a String in a String array.
+	 * @param filesArray	is the array containing all the names of files.
+	 * @param searchInput contain the search request.
+	 */
+	public String[] searchByName(String[] filesArray, String searchInput) {
+		List<String> resultList = new ArrayList<>(Arrays.asList(filesArray));
+
+		for(String listItem: filesArray) {
+			if(!listItem.contains(searchInput)){
+				resultList.remove(listItem);
+			}
+		}
+		String[] resultArray = new String[resultList.size()];
+		if(resultList.isEmpty()) {
+			return resultArray;
+		}
+		else {
+			resultArray = resultList.toArray(resultArray);
+			return resultArray;
+		}
+	}
+
+	/** search correspondance of a String in a the end of String in an array.
+	 * @param filesArray	is the array containing all the names of files.
+	 * @param searchInput contain the search request.
+	 */
+	public String[] searchByExtention(String[] filesArray, String searchInput) {
+		List<String> resultList = new ArrayList<>(Arrays.asList(filesArray));
+
+		int i = 0;
+
+		for(String listItem: filesArray) {
+			if(!listItem.endsWith(searchInput)){
+				resultList.remove(listItem);
+			}
+		}
+		String[] resultArray = new String[resultList.size()];
+		if(resultList.isEmpty()) {
+			return resultArray;
+		}
+		else {
+			resultArray = resultList.toArray(resultArray);
+			return resultArray;
+		}
+	}
+}