Refonte du repo

src/TD7/ip/IP.java

@@ -0,0 +1,65 @@
+package ip;
+
+public class IP {
+	private String ip;
+
+	public IP(String s) {
+		if (ipValide(s))
+			ip = s;
+	}
+	
+	public String getIP() {
+		return ip;
+	}
+	
+	public IP getPasserelle(IP masque) {
+		String ipPass = "";
+		
+		switch (masque.ip) {
+		case "255.0.0.0" :  
+			ipPass = this.ip.substring(0, this.ip.indexOf(".")+1)+"255.255.255"; 
+			break;
+		case "255.255.0.0" : 
+			ipPass = this.ip.substring(0, this.ip.indexOf(".")+1);
+			String temp = ip.substring(ip.indexOf(".")+1);
+			ipPass += temp.substring(0, temp.indexOf(".")+1)+"255.255"; 
+			break;
+		case "255.255.255.0" : 
+			ipPass = this.ip.substring(0, ip.lastIndexOf(".")+1)+"255"; 
+			break;
+		}
+		
+		return new IP(ipPass);
+	}
+
+	public String toString() {
+		return ip;
+	}
+	
+	public static boolean ipValide(String ip) {
+		if (ip.substring(0, 1).equals(".") || ip.substring(ip.length()-1).equals(".")) {
+			System.out.println("Bad first or last character");
+			return false;
+		}
+		
+		String[] ipSep = ip.split("\\.");
+		if (ipSep.length != 4) {
+			System.out.println("Bad ip length "+ipSep.length);
+			return false;
+		}
+		for (String s : ipSep) {
+			if (s.length() == 0) {
+				System.out.println("Empty ip field");
+				return false;
+			}
+			
+			int num = Integer.parseInt(s);
+			if ((num<0) || (num>255)) {
+				System.out.println("Bad ip field");
+				return false;
+			}
+		}
+		return true;
+	}
+
+}

src/TD7/ip/MainIp.java

@@ -0,0 +1,47 @@
+package ip;
+
+public class MainIp {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+
+        String[] tabIp = new String[10];
+        boolean[] tabRetatt = new boolean[tabIp.length];
+        boolean[] tabRetour = new boolean[tabIp.length];
+
+	    
+	    tabIp[0] = "";
+	    tabIp[1] = "127.0.0.1";
+	    tabIp[2] = "127.231.1.1";
+	    tabIp[3] = "1.2.3.4";
+	    tabIp[4] = "12.2.3";
+	    tabIp[5] = "12.3.213.123.123";
+	    tabIp[6] = "1231.12.2.3";
+	    tabIp[7] = ".1.2.3";
+	    tabIp[8] = "1.2.3.";
+        tabIp[9] = "1.2..3";
+        
+        tabRetatt[0] = false;
+        tabRetatt[1] = true;
+        tabRetatt[2] = true;
+        tabRetatt[3] = true;
+        tabRetatt[4] = false;
+        tabRetatt[5] = false;
+        tabRetatt[6] = false;
+        tabRetatt[7] = false;
+        tabRetatt[8] = false;
+        tabRetatt[9] = false;
+
+        for (int i = 0; i < tabRetatt.length; i++) {
+            tabRetour[i] = IP.ipValide(tabIp[i]);
+        }
+
+        System.out.println("attendu - retourne :");
+
+        for (int i = 0; i < tabRetatt.length; i++) {
+            System.out.println(tabRetatt[i] + " - " + tabRetour[0]);
+        }
+		
+	}
+
+}