add: graphs et rushs

5 files changed, 364 insertions, 0 deletions

diff --git a/graphs/java/streamStudent/.gitignore b/graphs/java/streamStudent/.gitignore
new file mode 100644
index 0000000..5ff6309
--- /dev/null
+++ b/graphs/java/streamStudent/.gitignore
@@ -0,0 +1,38 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/graphs/java/streamStudent/pom.xml b/graphs/java/streamStudent/pom.xml
new file mode 100644
index 0000000..d304253
--- /dev/null
+++ b/graphs/java/streamStudent/pom.xml
@@ -0,0 +1,138 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>fr.epita.assistants</groupId>
+    <artifactId>streamStudent</artifactId>
+    <version>1.0</version>
+
+    <properties>
+        <versions.java>21</versions.java>
+        <versions.junit>5.9.1</versions.junit>
+        <versions.maven-compiler-plugin>3.13.0</versions.maven-compiler-plugin>
+        <versions.maven-surefire-plugin>3.5.0</versions.maven-surefire-plugin>
+        <versions.maven-jar-plugin>3.1.1</versions.maven-jar-plugin>
+        <versions.maven-install-plugin>3.1.0</versions.maven-install-plugin>
+
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <surefire.reportsDirectory>${project.build.directory}/surefire-reports</surefire.reportsDirectory>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>${versions.junit}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven.surefire</groupId>
+            <artifactId>surefire-junit-platform</artifactId>
+            <version>${versions.maven-surefire-plugin}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-compat</artifactId>
+            <version>3.9.8</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-plugin-api</artifactId>
+            <version>3.9.8</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-project</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-core</artifactId>
+            <version>3.8.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-monitor</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.plexus</groupId>
+            <artifactId>plexus-utils</artifactId>
+            <version>3.0.24</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven.shared</groupId>
+            <artifactId>maven-filtering</artifactId>
+            <version>3.3.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.plexus</groupId>
+            <artifactId>plexus-interpolation</artifactId>
+            <version>1.13</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-profile</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-artifact-manager</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-plugin-registry</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-repository-metadata</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>classworlds</groupId>
+            <artifactId>classworlds</artifactId>
+            <version>1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-commons</artifactId>
+            <version>1.9.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.javassist</groupId>
+            <artifactId>javassist</artifactId>
+            <version>3.29.2-GA</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${versions.maven-compiler-plugin}</version>
+                <configuration>
+                    <source>${versions.java}</source>
+                    <target>${versions.java}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-install-plugin</artifactId>
+                <version>${versions.maven-install-plugin}</version>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${versions.maven-surefire-plugin}</version>
+                <configuration>
+                    <reportsDirectory>${surefire.reportsDirectory}</reportsDirectory>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Pair.java b/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Pair.java
new file mode 100644
index 0000000..c3cde84
--- /dev/null
+++ b/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Pair.java
@@ -0,0 +1,67 @@
+package fr.epita.assistants.streamstudent;
+
+public class Pair<K, V> {
+
+    /**
+     * Key of this pair.
+     */
+    private K key;
+
+    /**
+     * Gets the key for this pair.
+     *
+     * @return key for this pair
+     */
+    public K getKey() {
+        return key;
+    }
+
+    /**
+     * Value of this pair.
+     */
+    private V value;
+
+    /**
+     * Gets the value for this pair.
+     *
+     * @return value for this pair
+     */
+    public V getValue() {
+        return value;
+    }
+
+    /**
+     * Creates a new pair.
+     *
+     * @param key   The key for this pair
+     * @param value The value to use for this pair
+     */
+    public Pair(K key, V value) {
+        this.key = key;
+        this.value = value;
+    }
+
+
+    @Override
+    public int hashCode() {
+        return key.hashCode() * 13 + (value == null ? 0 : value.hashCode());
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o instanceof Pair) {
+            Pair pair = (Pair) o;
+            if (key != null ? !key.equals(pair.key) : pair.key != null) return false;
+            if (value != null ? !value.equals(pair.value) : pair.value != null) return false;
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "(" + key + ", " + value + ")";
+    }
+}
+
diff --git a/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Streamer.java b/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Streamer.java
new file mode 100644
index 0000000..87654a4
--- /dev/null
+++ b/graphs/java/streamStudent/src/main/java/fr/epita/assistants/streamstudent/Streamer.java
@@ -0,0 +1,58 @@
+package fr.epita.assistants.streamstudent;
+
+import java.util.Comparator;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.regex.Pattern;
+import java.util.stream.Stream;
+
+public class Streamer {
+    public Stream<Pair<Integer, String>> validator(Stream<Pair<Integer, String>> stream) {
+        return stream.filter(student -> student.getKey() >= 0 && student.getKey() <= 100 && (Pattern.matches("[^_" +
+                ".]*\\.[^_.]*", student.getValue()) || Pattern.matches("[^._]*_[^._]*", student.getValue())));
+    }
+
+    public Stream<Pair<Integer, String>> orderGrade(Stream<Pair<Integer, String>> stream) {
+        return stream.sorted((i, j) -> {
+            if (!Objects.equals(i.getKey(), j.getKey()))
+                return i.getKey().compareTo(j.getKey());
+            else
+                return i.getValue().compareTo(j.getValue());
+        });
+    }
+
+    public Stream<Pair<Integer, String>> lowercase(Stream<Pair<Integer, String>> stream) {
+        return stream.map(i -> {
+            if (Pattern.matches(".*[A-Z]+.*", i.getValue())) {
+                return new Pair<>(i.getKey() / 2, i.getValue().toLowerCase());
+            } else
+                return new Pair<>(i.getKey(), i.getValue().toLowerCase());
+        });
+    }
+
+    public Optional<Pair<Integer, String>> headOfTheClass(Stream<Pair<Integer, String>> stream) {
+        return stream.max((i, j) -> {
+            if (j.getKey().equals(i.getKey()))
+                return j.getValue().compareTo(i.getValue());
+            else
+                return i.getKey().compareTo(j.getKey());
+        });
+    }
+
+    public Stream<Pair<Integer, String>> quickFix(Stream<Pair<Integer, String>> stream) {
+        return stream.map(i -> {
+            if (Pattern.matches("[mM][Aa].*", i.getValue()) || Pattern.matches("[lL].*[xX]", i.getValue())) {
+                return new Pair<>(Math.clamp(i.getKey() * 2, 0, 100), i.getValue());
+            } else return i;
+        });
+    }
+
+    public Stream<Pair<Integer, String>> encryption(Stream<Pair<Integer, String>> stream) {
+        return stream.map(i -> {
+            StringBuilder sb = new StringBuilder();
+            sb.append(i.getValue(), i.getValue().length() / 2, i.getValue().length());
+            sb.append(i.getValue(), 0, i.getValue().length() / 2);
+            return new Pair<>(i.getKey(), sb.toString());
+        });
+    }
+}
diff --git a/graphs/java/streamStudent/src/test/java/fr/epita/assistants/streamstudent/StreamStudentTest.java b/graphs/java/streamStudent/src/test/java/fr/epita/assistants/streamstudent/StreamStudentTest.java
new file mode 100644
index 0000000..d36fc09
--- /dev/null
+++ b/graphs/java/streamStudent/src/test/java/fr/epita/assistants/streamstudent/StreamStudentTest.java
@@ -0,0 +1,63 @@
+package fr.epita.assistants.streamstudent;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class StreamStudentTest {
+    static void assertStreamEquals(Stream<Pair<Integer, String>> expectedStream,
+                                   Stream<Pair<Integer, String>> actualStream) {
+        // Get iterators from stream
+        Iterator<Pair<Integer, String>> iterator1 = expectedStream.iterator();
+        Iterator<Pair<Integer, String>> iterator2 = actualStream.iterator();
+
+        while (iterator1.hasNext() && iterator2.hasNext()) {
+            // Get next objects
+            Pair<Integer, String> login1 = iterator1.next();
+            Pair<Integer, String> login2 = iterator2.next();
+
+            // Check if pairs are equal
+            assertEquals(login1, login2);
+        }
+
+        assertTrue(!iterator1.hasNext() && !iterator2.hasNext(),
+                "Streams do not have the same length");
+
+    }
+
+    @Test
+    public void validatorLoginContainsTwoOrMoreUnderscore() {
+        Pair<Integer, String> loginTwoUnderscore = new Pair<>(50, "xavier_login_");
+        Pair<Integer, String> loginValid = new Pair<>(90, "xavierlogin");
+        Pair<Integer, String> loginBoth = new Pair<>(90, "xavier._login");
+        Pair<Integer, String> loginMultipleUnderscord = new Pair<>(10, "_login__x");
+        Streamer streamer = new Streamer();
+
+        var loginList = List.of(loginTwoUnderscore, loginValid, loginBoth, loginMultipleUnderscord);
+
+        var actual = streamer.validator(loginList.stream());
+
+        assertEquals(0, actual.count());
+    }
+
+    @Test
+    public void encrypt1() {
+        Pair<Integer, String> loginTwoUnderscore = new Pair<>(50, "a_b");
+        Pair<Integer, String> xavier = new Pair<>(50, "xavier.login");
+        Pair<Integer, String> loginValid = new Pair<>(90, "thomas.kummel");
+        Pair<Integer, String> loginBoth = new Pair<>(90, "florian.fogliani");
+        Pair<Integer, String> loginMultipleUnderscord = new Pair<>(10, "malo.beauchamps");
+        Streamer streamer = new Streamer();
+
+        var loginList = List.of(loginTwoUnderscore, loginValid, loginBoth, loginMultipleUnderscord, xavier);
+
+        var actual = streamer.encryption(loginList.stream());
+        System.out.println("actual stream: " + actual.toString());
+    }
+
+        // Add your own tests here
+}
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