ENSEEIHT/TP-metaprogrammation-test
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Laureηt 2021-12-03 15:57:00 +01:00
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56
Analyseur.java Normal file
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import java.io.*;
import java.util.*;
/** Analyser des données d'un fichier, une donnée par ligne avec 4 informations
* séparées par des blancs : x, y, ordre (ignorée), valeur.
*/
public class Analyseur {
/** Conserve la somme des valeurs associées à une position. */
private Map<Position, Double> cumuls;
/** Construire un analyseur vide. */
public Analyseur() {
cumuls = new HashMap<>();
}
/** Charger l'analyseur avec les données du fichier "donnees.java". */
public void charger() {
try (BufferedReader in = new BufferedReader(new FileReader("donnees.txt"))) {
String ligne = null;
while ((ligne = in.readLine()) != null) {
String[] mots = ligne.split("\\s+");
assert mots.length == 4; // 4 mots sur chaque ligne
int x = Integer.parseInt(mots[0]);
int y = Integer.parseInt(mots[1]);
Position p = new Position(x, y);
double valeur = Double.parseDouble(mots[3]);
cumuls.put(p, valeur(p) + valeur);
// p.setY(p.getY() + 1); // p.y += 1;
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/** Obtenir la valeur associée à une position. */
public double valeur(Position position) {
Double valeur = cumuls.get(position);
return valeur == null ? 0.0 : valeur;
}
/** Obtenir toutes les données. */
public Map<Position, Double> donnees() {
return Collections.unmodifiableMap(this.cumuls);
}
/** Affichier les données. */
public static void main(String[] args) {
Analyseur a = new Analyseur();
a.charger();
System.out.println(a.donnees());
System.out.println("Nombres de positions : " + a.donnees().size());
Position p1 = new Position(1,1);
Position p2 = new Position(2,1);
}
}

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ExempleDeprecated.java Normal file
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@Deprecated
class A { }
class B {
@Deprecated
public void m() {
System.out.println("B.m();");
}
}
public class ExempleDeprecated {
void m1() {
A a = new A();
B b = new B();
b.m();
}
//@SuppressWarnings("deprecation")
void m2() {
A a = new A();
B b = new B();
b.m();
}
public static void main(String[] args) {
ExempleDeprecated ED = new ExempleDeprecated();
ED.m1();
ED.m2();
}
}

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ExempleDeprecated.javac Normal file
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ExempleDeprecated.java:12: warning: [deprecation] A in unnamed package has been deprecated
A a = new A();
^
ExempleDeprecated.java:12: warning: [deprecation] A in unnamed package has been deprecated
A a = new A();
^
ExempleDeprecated.java:14: warning: [deprecation] m() in B has been deprecated
b.m();
^
3 warnings

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ExempleOverride.java Normal file
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class A {
public String unNomTresTresLong(int n) {
return "A" + n;
} }
class B extends A {
@Override
public String unNomTresTresLong(int n) {
return "B" + n;
} }
class C extends A {
@Override
public String unNonTresTresLong(int n) {
return "C" + n;
} }
class D extends A {
@Override
public String unNomTresTresLong(long n) {
return "D" + n;
} }
public class ExempleOverride {
static void verifier(String attendu, int i, A a) {
String calcul = a.unNomTresTresLong(i);
if (! calcul.equals(attendu)) {
System.out.println("Erreur: " + calcul + " au lieu de " + attendu);
} }
public static void main(String[] args) {
verifier("A0", 0, new A());
verifier("B1", 1, new B());
verifier("C2", 2, new C());
verifier("D3", 3, new D());
} }

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ExempleOverride.javac Normal file
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ExempleOverride.java:13: error: method does not override or implement a method from a supertype
@Override
^
ExempleOverride.java:19: error: method does not override or implement a method from a supertype
@Override
^
2 errors

47
Position.java Normal file
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import lombok.*;
/** Définir une position. */
@Data @Value
public class Position {
public int x;
public int y;
// public Position(int x, int y) {
// this.x = x;
// this.y = y;
// // <(NO_TRACE)>// <(/NO_TRACE)>System.out.println("...appel à Position(" + x + "," + y + ")" + " --> " + this);
// System.out.println("...appel à Position(" + x + "," + y + ")" + " --> " + this);
// }
@Override
public String toString() {
return super.toString() + "(" + x + "," + y + ")";
}
@Override
public boolean equals(Object obj) {
Position other = (Position) obj;
return other.x == this.x && other.y == this.y;
}
@Override
public int hashCode() {
// bijection de Z dans N
int n, m;
if (this.x >= 0) {
n = 2 * this.x;
} else {
n = -2 * this.x - 1;
}
if (this.y >= 0) {
m = 2 * this.y;
} else {
m = -2 * this.y - 1;
}
// bijection de N² dans N
int h = (n+m)*(n+m+1)/2+m;
return h;
}
}

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StringBufferTest.java Normal file
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import org.junit.*;
import static org.junit.Assert.*;
public class StringBufferTest {
private StringBuffer s1;
@Before public void initialiser() {
s1 = new StringBuffer("Le texte");
}
@Test public void testReverse() {
s1.reverse();
assertEquals("etxet eL", s1.toString());
}
@Test public void testDelete() {
s1.delete(2, 7);
assertEquals("Lee", s1.toString());
}
@Test(expected=IndexOutOfBoundsException.class)
public void erreurSurIndice() {
assertEquals('e', s1.charAt(-1));
}
@Test public void initiale() {
assertEquals('L', s1.charAt(1));
}
}

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donnees.txt Normal file
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1 1 1 10.5
1 1 2 15
1 1 3 4.2
1 2 1 5
2 1 1 18
1 2 2 10
1 1 4 6.3
1 1 5 1.6
1 1 6 0.8
1 1 7 1.0
1 2 3 5

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index.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<html>
<head>
<title>Index of /ENS/2021-2sn-gls/CONTENU/MT/TP03</title>
</head>
<body>
<h1>Index of /ENS/2021-2sn-gls/CONTENU/MT/TP03</h1>
<table><tr><th><img src="/icons/blank.gif" alt="[ICO]"></th><th><a href="?C=N;O=D">Name</a></th><th><a href="?C=M;O=A">Last modified</a></th><th><a href="?C=S;O=A">Size</a></th><th><a href="?C=D;O=A">Description</a></th></tr><tr><th colspan="5"><hr></th></tr>
<tr><td valign="top"><img src="/icons/back.gif" alt="[DIR]"></td><td><a href="/ENS/2021-2sn-gls/CONTENU/MT/">Parent Directory</a></td><td>&nbsp;</td><td align="right"> - </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="Analyseur.java">Analyseur.java</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">1.6K</td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="ExempleDeprecated.java">ExempleDeprecated.java</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">291 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/unknown.gif" alt="[ ]"></td><td><a href="ExempleDeprecated.javac">ExempleDeprecated.javac</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">338 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="ExempleOverride.java">ExempleOverride.java</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">766 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/unknown.gif" alt="[ ]"></td><td><a href="ExempleOverride.javac">ExempleOverride.javac</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">229 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="Position.java">Position.java</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">363 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="StringBufferTest.java">StringBufferTest.java</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">579 </td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/unknown.gif" alt="[ ]"></td><td><a href="TP03-packages.jar">TP03-packages.jar</a></td><td align="right">23-Nov-2021 13:23 </td><td align="right">3.4K</td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/unknown.gif" alt="[ ]"></td><td><a href="TP03.jar">TP03.jar</a></td><td align="right">23-Nov-2021 13:23 </td><td align="right">3.3K</td><td>&nbsp;</td></tr>
<tr><td valign="top"><img src="/icons/text.gif" alt="[TXT]"></td><td><a href="donnees.txt">donnees.txt</a></td><td align="right">08-Nov-2021 10:01 </td><td align="right">104 </td><td>&nbsp;</td></tr>
<tr><th colspan="5"><hr></th></tr>
</table>
<address>Apache/2.2.16 (Debian) DAV/2 SVN/1.6.12 PHP/5.3.3-7+squeeze29 with Suhosin-Patch Phusion_Passenger/3.0.7 Server at cregut.perso.enseeiht.fr Port 80</address>
</body></html>

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